Measuring Instrument Type Approval CERTIFICATE

Transcription

1 FEDERAL AGENCY ON TECHNICAL REGULATING AND METROLOGY Measuring Instrument Type Approval CERTIFICATE CH.C А No Valid until: MEASURING INSTRUMENT TYPE NAME t-mass Thermal Flowmeters MANUFACTURER Endress+Hauser Flowtec AG, Switzerland Reg. No VERIFICATION CERTIFICATE MP VERIFICATION INTERVAL 3 years The measuring instrument type has been approved by Order No. 336 of the Federal Agency on Technical Regulating and Metrology dated April 2nd, 2013 The measuring instrument s type definition is an integrated Appendix to this Approval. Deputy Head, Federal Agency F. V. Bulygin April 5th, 2013 SI series No

2 Appendix to the Measuring Device Type Approval Certificate No. Sheet No. 1 of 6 MEASURING INSTRUMENT TYPE DESCRIPTION Отфо 7,75 t-mass Thermal Flowmeters Measuring Instrument Applications The t-mass thermal flowmeters (hereinafter, the flowmeters") are intended to measure mass flow and mass of various gases (including air, nitrogen, argon, oxygen, carbon dioxide, methane, natural gas, etc.), associated and petroleum gas (GOST R ), and to calculate the mass flow (volume) of gases corrected to standard conditions. Measuring Instrument Description The flowmeters consist of a primary gas flow transducer (A, F for the flange models, B, I for the immersible models) and a 65 or 150 electronic transducer. The flowmeters are manufactured in compact and remote (distance up to 100 m) configurations. The primary flow rate transducer (A, F) is a steel case with the diameter equal to the pipe's internal diameter. On the immersible models (B, I), the thermal transducers are attached to a rod, which is installed directly on a pipe with a dedicated installation kit. The flowmeter operating principle maintains a steady temperature difference between two Pt-100 thermal temperature transducers immersed in the gas stream. One thermal transducer measures the gas temperature, and the other's temperature is maintained above the gas stream temperature. As the gas stream passes, the second transducer is cooled down. The more the mass flow, the stronger the cooling effect and the more power is required to maintain a constant temperature difference. So the power consumed by the heated temperature transducer is a gas mass flow indicator. From the measured gas mass flow (mass) value and the calculated gas density, the flowmeter automatically calculates the gas mass flow (mass) corrected to standard conditions. The 65F and 65I flowmeters compute density at standard conditions automatically with GSSSD MR No algorithm for multicomponent gas with its composition specified by the user. The A150 and B150 series flowmeters compute gas density at standard conditions for one specific gas: nitrogen, carbon dioxide, argon, using GSSSD MR No algorithm. For air GSSSD MR, the No algorithm is used. The electronic transducer is equipped with a built-in screen and a keypad used for setup, programming, and indicating the current gas mass flow (mass), as well as the volumetric flow rate (volume) corrected to standard conditions. FieldTool and FieldCare software and the FieldCheck simulation and verification device are used to perform PC-based maintenance, setup, and diagnostics of the flowmeters. The 65F and 65I series flowmeters have an explosion-proof version (1Exd[ia]IICT1..T4 or 1Exde[ia]IICT1..T4).

3 The flowmeter is shown in Picture. 1. Sheet No. 2 of 6 Отфо 7,5 см право t-mass А150 flowmeters t-mass В150 flowmeters t-mass 65F flowmeters t-mass 65I flowmeters a) t-mass 65F flowmeters t-mass 65I flowmeters b) Picture 1. t-mass flowmeters: a) compact version; b) two-moduleremote version. The instrument's design prevents unauthorized access to the computational circuit and to the flowmeter's internal settings since the menu is code-protected. In addition, the keypad can be blocked by pressing keys simultaneously, which completely locks any menu operations. The flowmeter's design includes a SWITCH installed inside the case (Picture 2) which has two positions: Off and On. When the flowmeter serves as a cost estimate tool, the SWITCH is secured with a verification officer's sticker. Additionally, the electronic transducer's body can be wire-sealed.

4 The sealing diagram is shown in Picture. 2. Sheet No. 3 of 6 Отфо 7,5 см право a) б) Picture. 2. The electronic transducer's body: a) compact version; b) two-moduleremote version. When any unauthorized access prevention system is in use the screen shows the following icon:. The software The flowmeter's programming code consists of two parts: the firmware and the software. The firmware is the programming code affecting metrological performance. The software does not affect metrological performance. It contains several digital communication protocols, and enables interoperability with other service applications. The software version number's structure is: Х.Y.Z, where Х is the firmware ID: for the t-mass 65 transducers it is 1; for the t-mass 150 transducers it is 01; Y is the software ID number ( ); Z is a service number being a sequential revision number of the software part which does not affect metrological performance ( ). The revisions correct software errors found. The software name is shown on the transducer's screen upon powering on (it is grayed out and read-only) The flowmeter software has the following IDs: Software name Software identification name t-mass t-mass Firmware version (ID) V1.0y.zz and higher V01.0y.zz and higher Numerical software ID (executable code checksum) not displayed not displayed Software numerical ID computation algorithm CRC16 CRC16 The flowmeter's software protection level against intentional and unintentional program code modifications is C as specified in MI Metrological and Engineering Properties Property name Value Property

5 Sheet No. 4 of 6 Version A B F I Nominal internal diameter, mm 1,500 from 80 to from 15 to 50 from 15 to 100 from 80 to 1,500 Mass flow rate measuring from 0.5 to from 20 to range*, kg/h 1365 from 0.5 to 3, ,000 (nm 3 /h) from 0.38 to from 0.38 to 2,900 from 15.5 to Acceptable relative error range for the mass flow, gas mass/volumetric flow rate and gas volume measurements (corrected to standard conditions), % Acceptable relative error range for the mass flow, gas mass/volumetric flow rate and gas volume measurements (corrected to standard conditions) for now-flow verification, % Dynamic flow rate variation range Fluid pressure range, MPa 1056 Q max from 20 to 720,000 from 16 to 835, Q at 0.01Q max <Q<0.15 Q max 3 at 0.15Q max <Q<Q max Q Qmax at Q max <Q<1.5Q max % at 0.1Q max <Q<Q max Q 0.15 max Q at 0.01Q max <Q<0.1Q max 2 % at 0.1Q max <Q<Q max Q 0.2 max Q at 0.01Q max <Q<0.1Q max 150:1 100:1 556,844 Q ( max Q at 0.01Q max <Q<Q max Q ( max Q at 0.01Q max <Q<Q max from to from to from to +4 from to +2 Fluid temperature, C from -40 to +100 from -40 to +100 from -40 to +130 Ambient temperature, C from -40 to +60 Storage temperature, C from -40 to +80 Supply voltage V (45 65 Hz) V DC V DC Output signals ma, pulse, frequency, relay, 4 20 ma, НАRT, pulse, frequency, relay HART, Profibus DP, Modbus RS485, FOUNDATION Fieldbus ) ) Отфо 7,5 см право Shell protection degree IP66/67 IP67 Mass, kg, up to * for air ** Q max is the upper mass flow or volumetric flow range limit corrected to standard conditions. Q is the current mass flow or volumetric flow value corrected to standard conditions. Type approval mark to be printed typographically on the device passport and manual covers; the flowmeter is to be labeled with a sticker.

6 Sheet No. 5 of 6 Отфо 7,5 см право Measuring Instrument's Scope of Delivery Name Identifier Q-ty Remark 1. t-mass thermal flowmeter including: a primary transducer, an electronic transducer. 2. Auxiliaries: - an installation boss for the immersible version; - a connection cable; - an installation kit for the device type; - an installation valve for the device type; - an installation valve for the device type; - a flow straightener for the device type; - a flow straightener for the device type; - a manual programmer for the device type; 3. Operations manual 150/65 A/B, F/I DK6MB-ххх DK6CA-хх DK6WM-х DK6ML-ххх DK6HT-x+xxxx DK6ST-xxx DK7ST-xxx DXR375-ххх 4. Device passport 1 5. Verification procedure 1 1 As ordered 1 As ordered Matching the flowmeter's configuration Verification shall be performed under the procedure presented in GSI. t-mass Thermal Flowmeters. Verification Procedure approved by GTsUI SI FGUP VNIIMS in March, Primary verification equipment. a reference flowmeter, ±0.5 % accuracy; the FieldCheck simulation and verification device; an electronic calculating frequency meter ChZ-49А of the amplitude up to 50 V and frequency khz; an R386 amperevoltemeter, measuring range V, accuracy ±0.05%. a TL-4 thermometer, range up to 100 С, 0.5 С readability. Measuring procedures listed in the manual. Regulatory and engineering documents containing requirements to the t-mass thermal flowmeters 1. GOST R Process Instrumentation and Regulation Equipment. General Requirements. 2. GOST Explosive-proof Electric Equipment. General Engineering Requirements and Test Procedures. 3. GOST Explosive-proof Electric Equipment with Intrinsically Safe Circuits. Engineering Requirements and Test Procedures. 4. Manufacturer's documentation

7 Sheet No. 6 of 6 Отфо 7,5 см право Recommended applications covered by government regulations with regard to measurement assurance commercial and barter operations. Manufacturer Endress+Hauser Flowtec AG, Switzerland Address: Kaеgenstrasse 7, СН-4153 Reinach/BL, Switzerland Applicant OOO Endress+Hauser Varshavskoye shosse, 35, d. 1, 5 th floor, Moscow, Russia Tel.: +7(495) , fax: +7 (495) Testing Center GTsI SI FGUP VNIIMS (accreditation certificate No ) 46 Ozernaya ul. Moscow, Russia, Tel. +7(495) , fax +7(495) office@vniims.ru Deputy Head, Federal Technical Regulation and Metrology Agency F.V. Bulygin place stamp here " " 2013

8 ALL-RUSSIAN SCIENTIFIC RESEARCH INSTITUTE OF METROLOGICAL SERVICE (Federal State Unitary Enterprise FGUP VNIIMS) APPROVED Head of the National Measuring Instruments Testing Center, FGUP VNIIMS V.N. Yanshin " " 2013 National System for Ensuring Uniform Measurement T_MASS THERMAL FLOWMETERS Verification Procedure MOSCOW 2013

9 2 1. INTRODUCTION 1.1. This document covers the t-mass thermal flowmeters (hereinafter, the flowmeters"), manufactured by Endress+Hauser Flowtec AG (Switzerland) and used in the applications monitored by the national metrological control. This document introduces the procedures and means for their initial and periodical verification after the instruments are delivered or have been repaired The manufacturer, Endress+Hauser Flowtec AG (Switzerland) will perform the initial verification The verification interval shall not exceed 3 years Two verification procedures are described: - an actual flow test; - a non-flow test. 2. THE FLOW VERIFICATION PROCEDURE 2.1 Verification Procedure The verification includes the following operations: visual inspection (see item 2.6.1); leakage check for flanged flowmeters (see item 2.6.2); test run (see item 2.6.3); flowmeter's firmware ID check (see item 2.6.4); measuring the metrological parameters (see item 2.6.5). 2.2 Verification Tools The verification is performed with the following references and testing equipment: a reference gas flowmeter, max. flow (at Dn= 100 mm) at least 1,500 m 3 /h, ±0.35 % accuracy; a temperature transducer for measuring the gas temperature in the reference flowmeter, the temperature range is С, absolute error less than 1 С; a pressure sensor for measuring the manometric gas pressure in the reference flowmeter, relative error less than 0.25 %; an electronic calculating frequency meter ChZ-49А, up to 50 V signal amplitude, khz frequency range; an R386 amperevoltmeter, measuring range V, accuracy ±0.05 %; a TL-4 thermometer, range up to 100 С, 0.5 С readability, compliant with the TU specifications; an air press equipped with a test gage below 0.4 accuracy class; a DC power source, 24 V, an AC power source, 220 V, 50 Hz; an M-34 aspiration psychrometer, compliant with the TU TU (GRPI )-92 specifications;

10 3 a reference MO-type pressure gage, MPa range, 0.4 accuracy class; a M-67 aneroid barometer compliant with the TU specifications The reference equipment used shall be verified and have valid verification certificates Other reference devices may be used provided their specifications are not less than indicated in Item The ratio of the reference flowmeter accuracy to the flowmeter's verified parameter reference device accuracy shall not exceed 1: Safety Requirements The following safety requirements shall be applied to the verification procedure: the labor and fire safety regulations valid for the reference flowmeter; the safety regulations for the reference devices, testing equipment, and the flowmeter being verified as specified in the operation manuals The instillation of wiring shall be compliant with the All-Union State Standard (GOST) and the Electrical Installation Code (section VII) The verification may be performed by persons who have passed at least Level II HSE Test as specified in the Safety Regulations for Consumer Electric Installations Operation, who have read and understood the flowmeter's manual and this document. 2.4 Verification Conditions The verification shall be performed under the following conditions: the test medium is instrument air; the ambient air temperature is 20 5 С; the verification medium temperature is С; relative air humidity: %; atmospheric pressure: kpa During the verification the medium temperature variations shall not exceed 5 ºС During the verification the medium pressure variations shall not exceed 0.1 kpa. 2.5 Preparations for the Verification A type F, А (flanged) flowmeter to be verified is mounted on the verification testbed; a type I, В (immersible) flowmeter to be verified is installed into a dedicated insert (see Appendix A). The insert is mounted on the testbed. The straight pipe requirements listed in the manual of the flowmeter to be verified shall be satisfied. The flowmeter is prepared as specified in the manual and it is adjusted to measure air flow as described below. For the t-mass 65 F/I model the procedure is: GAS MIXTURE NUMBER OF GAS COMPONENTS = 1; GAS MIXTURE GAS TYPE 1 = AIR. For the t-mass 150 A/B model the procedure is: SETUP SELECT GAS TYPE AIR.

11 The current output shall be tested. To do so, specify at least three available current values in random order in the "simulation current" cell. The i current signal's absolute error is calculated as follows i Is Iр, where I р is the flowmeter's output current, ma; I s is the verification current, ma, A flowmeter passes the current output test if the error does not exceed the current signal's acceptable absolute error i 'i, where the current signal's acceptable absolute error ' i for each model is specified in the manual The frequency output shall be tested. To do so, specify at least three available frequency values in random order in the "simulation frequency" cell. A flowmeter passes the frequency output test if the frequency value at the flowmeter's output is equal to the specified value Visual inspection The Verification Procedure The visual inspection shall check the following: the flowmeter is not mechanically damaged, makingit inoperable; the text and signs on the flowmeter are clear and meet the requirements listed in the manual; the full delivery of the flowmeter is complete and complies with the documentation; compliance of the flowmeter version with its label A flowmeter that has not passed the visual inspection may not be tested The Flowmeter Leakage Check Procedure (for 65F, A150 flanged flowmeters) The leakage check is performed by increasing the pressure in the primary transducer cavity to 0.6 MPa with an air press. The pressure must be held for at least 15 min A flowmeter passes the test if there is no pressure drop for 15 min. as indicated by the pressure gage Test Run A flowmeter is test-run on the testbed by increasing/decreasing the gas flow rate within the working range The test run is passed if the readings of the flowmeter display, the computer monitor, the output measuring signal(s) vary with the air flow rate increase/decrease. The flow rate is monitored with both the flowmeter readings and the testbed readings.

12 The test run is passed if the air flow rate is regulated within the range specified in the manual Checking the Flowmeter Firmware ID. As a flowmeter is turned on the firmware version numbers shall be displayed on the transducer's screen with the following menu commands: DIAGNOSTICS DEVICE INFO FIRMWARE VERSION. Also the flowmeter firmware versions shall be displayed on the transducer's screen as grayed out and read-only values upon powering on. The firmware ID (executable code checksum) is not accessible. The test is passed if the following ID data are displayed. Firmware name Firmware ID Firmware release (ID) t-mass V1.0y.zz and higher t-mass V01.0y.zz and higher Metrological Parameters Evaluation The flowmeter's error shall be evaluated by comparing the corrected to standard conditions air volumes V p, measured by the flowmeter within the operational flow range at three points: 0.1Q max, 0.3Q max, and 0.5Q max, to the corrected to standard conditions air volumes V у, measured with the reference gas flowmeter. One measurement is taken at each point. Q max is the flowmeter's upper range value for air at standard conditions (within the calibrated range) as specified in the manual (for an immersible flowmeter it corresponds to the insert diameter) If the reference flowmeter has been verified for volume measuring accuracy under operating conditions, the specified flow rate Q and the volume V у as measured with the reference flowmeter at the specified flow rate shall be corrected to normal conditions with the following equations Q = Q (p у + p а ) 293/(t у +273)/101325, V у = V у (p у + p а ) 293/(t у +273)/101325, where Q is the specified flow rate Q, corrected to standard conditions, nm 3 /h; Vу is the air volume corrected to standard conditions as measured with the reference flowmeter, nm 3 ; V у is the air volume at operating conditions as measured with the reference flowmeter, m 3 ; pу is the manometric air pressure in the reference flowmeter as verified, Pa; pa is the atmospheric air pressure as verified, Pa; ty is the air temperature in the reference flowmeter as verified, C The flowmeter's relative error in percent for each flow rate shall be calculated as Vр Vy 100%, (1) V y

13 6 where V р is the corrected to standard conditions air volume measured with the flowmeter, i.e., the computer/controller screen readings expressed in volume units; V у is the corrected to standard conditions air volume as measured with the reference flowmeter at the specified flow rate Q. Note: If the reference flowmeter can measure the gas mass, the flowmeter's error shall be evaluated by comparing the M p air mass as measured with the flowmeter within the flow rate operating range at three points: 0.1Q max, 0.3Q max, and 0.5Q max, to the air mass values M у, measured with the reference gas flowmeter. The flowmeter's relative error in percent for each flow rate shall be calculated as M р M y 100%, (2) M y where M р is the air mass measured with the flowmeter, i.e., the computer/controller screen readings expressed in mass units; M у is the air mass as measured with the reference flowmeter at the established Q flow rate A flowmeter passes the test if its error when the measuring volume (mass) values at each point and at each measurement do not exceed the acceptable error ' derived with the following equations: - for the 65F flanged flowmeter ' = 1.5 % at 0.1 Q max < Q < Q max, (3) ' = 0.15 Q max /Q % at 0.01 Q max Q 0.1 Q max ; (4) - for the 65I immersible flowmeter Qmax ' (1,0% 0,5 ), (5) Q - for the A/B 150 flanged and immersible flowmeters ' = 3.0 % at 0.15 Q max < Q < Q max, (6) ' = 0.45 Q max /Q % at 0.01 Q max Q 0.15 Q max ; (7) Note: When an impulse output is used the volume V р (or mass M р ) measured with the flowmeter shall be converted with the following equation V р = N i q V (M р = N i q m ), (8) where N i is the impulse count produced with the flowmeter during the volume V р (mass M р ) measuring time; q V (q m ) is the flowmeter's reading per impulse when measuring volume (mass).

14 If the test is passed the flowmeter is classified as fit for measuring mass (mass flow rate) of various gases (air, nitrogen, oxygen, carbon dioxide, methane, and other gases listed in the manual) and volume (volumetric flow rate) of gases corrected to standard conditions After the verification is over, the initial flowmeter setting shall be restored. For the t-mass 65F/I model the number of gas components is selected in the menu option: GAS MIXTURE NUMBER OF GAS COMPONENTS. The gas composition is selected in the menu option: GAS MIXTURE NUMBER OF GAS COMPONENTS GAS TYPE 1/2/3/4/5/6/7/8. For the t-mass 150 A/B models the working gas is selected in the options: SETUP SELECT GAS TYPE If the secondary transducer of a t-mass 65 flowmeter has been replaced, the entire verification procedure shall be performed again. All the primary transducer's parameters: k factor, nominal diameter, operating flow rate range, firmware version, and serial number are stored in the S-DAT memory module which is re-installed into a new transducer. After that, only the actions presented in Items 2.5.2, of the present Procedure shall be performed in the field without removing the instrument. A record about the secondary transducer's replacement shall be made into the Operations and Storage Notes section of the product s passport Documenting the Verification Results The verification results shall be presented as a report compliant with the forms presented in the Appendices B or C If the verification has been passed, a certificate compliant with PR shall be issued or the product s passport shall be labeled compliant with PR If the verification has failed, the flowmeter is not fit for service, and an unfit note shall be issued indicating the reasons compliant with PR NON-FLOW VERIFICATION PROCEDURE 3.1. Verification Operations The non-flow verification may be applied to the t-mass flowmeters, the 65 F/I configuration. It consists of the following: visual inspection (see item 3.6.1); leakage check (item 3.6.2); flowmeter's firmware ID check (see item 3.6.3); evaluating the metrological parameters (item 3.6.4) Verification Tools The verification is performed using the following reference and testing equipment: - when performing the operations described in Item 3.6.2: an air press equipped with a test gage below 0.4 accuracy class; when evaluating the metrological properties: FieldCheck meter from Endress+Hauser.

15 All the equipment shall be verified by the National Metrological Service and have valid verification certificates Safety Requirements The following safety requirements shall be applied to the verification procedure: the labor and fire safety regulations valid for the reference flowmeter; the safety regulations for the reference devices, testing equipment, and the flowmeter being verified as specified in the operation manuals The electrical installation shall be compliant with GOST and the Electrical Installation Code (section VII) The verification may be performed by persons who have passed at least Level II HSE Test as specified in the Safety Regulations for Consumer Electric Installations Operation, who have read and understood the flowmeter's manual, FieldCheck's manual, and this document Verification Conditions The verification shall be performed under the following conditions: the ambient air temperature is С; relative air humidity: %; atmospheric pressure: kpa Preparations for the Verification A flowmeter operated in an explosion hazard area shall be uninstalled from the pipeline If the flowmeter is attached to a pipeline in a non-hazardous area, the non-flow verification can be performed without uninstalling the flowmeter from the pipeline and stopping the gas flow provided that the gas is clean and non-corrosive The verified flowmeter shall be electrically connected with the FieldCheck device. The flowmeter and FieldCheck shall be prepared for work as specified in the appropriate manual Visual inspection The Verification Procedure The visual inspection shall check the following: the flowmeter is not mechanically damaged, making it inoperable; the text and signs on the flowmeter are clear and meet the requirements listed in the manual; the full delivery of the flowmeter is complete and complies with the documentation; compliance of the flowmeter version with its label A flowmeter that has not passed the visual inspection may not be tested.

16 The Flowmeter Leakage Check Procedure (for the 65F flanged model) The leakage check is performed by increasing pressure in the flowmeter's primary transducer cavity. The pressure shall not exceed the flowmeter's maximum designed pressure. The pressure must be held for at least 15 min A flowmeter passes the test if there is no gas leakage indication for 15 min Checking the Flowmeter Firmware ID. As a flowmeter is turned on, the firmware version numbers shall be displayed on the transducer's screen with the following menu commands: DIAGNOSTICS DEVICE INFO FIRMWARE VERSION. Also the flowmeter firmware versions shall be displayed on the transducer's screen as grayed out and read-only values upon powering on. The firmware ID (executable code checksum) is not accessible. The test is passed if the following ID data are displayed. Firmware name Firmware ID Firmware release (ID) t-mass V1.0y.zz and higher t-mass V01.0y.zz and higher Metrological Parameters Evaluation FieldCheck is connected to the flowmeter as described in the manual. If the flowmeter is equipped with a pulse-frequency output, this output shall be switched to the frequency mode FieldCheck's MASS FLOW output mode is selected in the settings (FUNCTION SIMULATION CONFIGURATION FLOW SPECIFICATION) Using the relevant FieldCheck settings (FUNCTION VERIFICATION AP- PLICAT./OUTPUT OUTPUTS), set the CURR OUT (current output) and FREQ OUT (frequency output) values FieldСheck's settings (FUNCTION VERIFICATION PARAMETER) specify the simulated flow for verification: 0.8 Q max (the FLOW 100 % parameter is set to MAX indicated on the screen), 0.2 Q max (MP 2 = 25 %), 0.4 Q max (MP 3 = 50%). The lowest (fourth) flow rate value is set automatically by FieldCheck and is equal to 0.04 Q max FieldCheck's settings (FUNCTION VERIFICATION LIMIT VALUES) specify the acceptable secondary transducer's flow rate error equal to 2.0 % (BASIC FLOW LIM.= 2.0 %) FieldCheck's settings (FUNCTION VERIFICATION LIMIT VALUES) specify the acceptable secondary transducer's current output error equal to 0.02 ma (DEVIATION CURRENT= 0.02 ma) FieldCheck's settings (FUNCTION VERIFICATION LIMIT VALUES) specify the acceptable secondary transducer's absolute frequency output error equal to 1.0 Hz (DE-

17 10 VIATION FREQUENCY= 1.00 Hz) Select an integrated verification mode in the FieldCheck's settings (FUNCTION VERIFICATION OPERATION), (VERIFICATION = TRANSM. + SENSOR) Activate the verification mode as specified in the FieldCheck manual. After the verification is over, save its results to the FieldCheck memory for subsequent verification report printing The flowmeter passes the verification if no Fail messages are on the FieldCheckgenerated report (for a sample report, see Appendix D). The flowmeter accuracy proved with the non-flow verification shall not exceed the following values: - for the 65F flanged flowmeter ' = 2 % at 0.1 Q max < Q < Q max, (9) ' = 0.2 Q max /Q % at 0.01 Q 0.1 Q max ; (10) - for the 65I immersible flowmeter Qmax ' (1,5% 0,5 ). (11) Q 3.7. Documenting the Verification Results As specified in the manual, FieldCheck is connected to a PC with the FieldCare software installed Reports stored in FieldCheck's memory are printed out and serve as verification reports If the verification has been passed, a certificate compliant with PR shall be issued, or the product s passport shall be labeled compliant with PR If the verification has failed, the flowmeter is not fit for service, and an unfit note shall be issued indicating the reasons compliant with PR

18 Appendix А IMMERSIBLE FLOWMETER INSTALLATION DIAGRAM A flowmeter is installed as specified by the manufacturer. To install an immersible flowmeter, the reference flowmeter shall be equipped with a dedicated insert being a straight solid weld-free pipe 80 mm < Dn < 150 mm with total length at least 30*Dn. There may be no corrosion or visible imperfections on the pipe's internal surface. The insert-based installation diagrams are shown below. The upstream pipe may be restricted/expanded or have one elbow. 65I B 150 The immersion depth (as indicated on the scale) is: 0.3 A + B + С +2 mm, where A is the insert internal diameter, mm, B is the insert wall thickness, mm, С is the installation boss height + sensor fitting height. The immersion depth (as indicated on the scale) is: 0.3 A + B + С +2 mm, where A is the insert internal diameter, mm, B is the insert wall thickness, mm, С is the installation boss height + sensor fitting height.

19 Appendix B Serial number VERIFICATION REPORT for the t-mass thermal flowmeter. t-mass, flanged model Dn, mm Measurement range, nm 3 /h t-mass, immersible model Dn of the insert used for verification Measurement range matching the Dn of the insert, nm 3 /h Verification Results Appearance Leakage check Test Run Firmware ID verification Metrological Parameters If the reference flowmeter has been volume checked at standard conditions, these columns are not filled Established flow rate Q [m 3 /h] Air temperature in the reference flowmeter during the verification t у [ С] Manometric air pressure during the verification р у [Pa] Atmospheric air pressure during the verification, р a [Pa] Volume as measured with the reference flowmeter at operating conditions, V у m 3 Established flow rate corrected to standard conditions Q [nm 3 /h] Air volume as measured with the flowmeter, V р nm 3 Volume as measured with the reference flowmeter and corrected to standard conditions, V у nm 3 Relative error, % Acceptable error, ' % Flowmeter serviceability: Verification officer: ( ) " "

20 Appendix C Serial number VERIFICATION REPORT for the t-mass thermal flowmeter. t-mass, flanged model Dn, mm Measurement range, kg/h t-mass, immersible model Dn of the insert used for verification Measurement range matching the Dn of the insert, kg/h Verification Results Appearance Leakage check Test Run Firmware ID verification Metrological Parameters Mass flow kg/h Measurement The flowmeter readings for the measured mass, М р kg The mass as measured with the reference flowmeter М у kg Relative error, % Acceptable error calculated from ' % Flowmeter serviceability: Verification officer: ( ) " "

21 Appendix D

22 Appendix D

23 Appendix D