Schedule of Accreditation issued by United Kingdom Accreditation Service 2 Pine Trees, Chertsey Lane, Staines-upon-Thames, TW18 3HR, UK

Transcription

1 2 Pine Trees, Chertsey Lane, Staines-upon-Thames, TW18 3HR, UK Exploration Drive Aberdeen Science and Energy Park Aberdeen AB23 8HZ Contact: Mr Graham Robertson Tel: +44(0) Fax: +44(0) Website: Laboratory locations: s covered by the organisation and their relevant activities details Activity code Unit D Wellshead Industrial Estate Wellshead Cresent, Dyce Aberdeen Scotland AB21 7GA Volume tanks and provers Lab A Exploration Drive Aberdeen Science and Energy Park Aberdeen AB23 8HZ DC & LF Electrical Gas density Liquid Density Orifice plates Pressure Temperature Site activities performed away from the locations listed above: details Activity code Any customer premises Volume - pipe provers Flow Site Assessment Manager: AS1 Page 1 of 8

2 DETAIL OF ACCREDITATION ELECTRICAL MEASUREMENTS DC RESISTANCE 0 to 1 66 of 1 to ppm resistors with 10 to ppm negligible power dissipation Specific Value ppm 100 to 1 k 20 ppm 1 k to 10 k 8.0 ppm 10 k to 100 k 13 ppm 100 k to 1 M 28 ppm 1 M to 10 M 120 ppm 10 M to 100 M 410 ppm 100 M to 1 G 0.36 % Generation 1 64 ppm ppm ppm 1 k 10 ppm 10 k 10 ppm 100 k 7.0 ppm 1 M 9.0 ppm 10 M 25 ppm DC VOLTAGE 0 mv to 10 mv 10 mv to 100 mv 100 mv to 1 V 1 V to 10 V 10 V to 100 V 100 V to 1 kv 2.0 V 5.0 ppm +1.3 V 5.0 ppm V 12 ppm 12 ppm 14 ppm Generation 0 mv to 220 mv 220 mv to 2.2 V 2.2 V to 11 V 11 V to 22 V 22 V to 220 V 220 V to 1000 V 7.5 ppm V 6.0 ppm V 6.0 ppm 7.0 ppm 7.0 ppm 12 ppm DC CURRENT 0 A to 1 A 1 A to 10 A 10 A to 100 A 100 A to 1 ma 1 ma to 10 ma 10 ma to 100 ma 100 ma to 1 A 150 pa 140 ppm 120 ppm 100 ppm 100 ppm 100 ppm 250 ppm Assessment Manager: AS1 Page 2 of 8

3 DC CURRENT(cont d) Generation 0 ma to 2.2 ma 2.2 ma to 22 ma 22 ma to 220 ma 220 ma to 2.2 A 2.2 A to 20 A 20 ppm + 12 na 17 ppm na 26 ppm A 35 ppm + 35 A 0.12 % A multi-turn coil is available to simulate current up to 1000A, but at increased uncertainties, for the calibration of clampon ammeters. AC VOLTAGE 50 Hz to 1 khz 1 mv to 10 mv 5.0 V 10 mv to 100 mv 15 V 50 Hz to 20 khz 100 mv to 1 V 500 ppm 1 V to 10 V 500 ppm 10 V to 100 V 500 ppm 100 V to 700 V 500 ppm Generation 60 Hz to 20 khz 10 mv to 220 mv 90 ppm 220 mv to 2.2 V 70 ppm 2.2 V to 220 V 71 ppm 60 Hz to 1 khz 220 V to 1100 V 90 ppm AC CURRENT 50 Hz to 1 khz 10 A to 100 A 70 na 100 A to 1 ma 600 na 1 ma to 10 ma 250ppm A 10 ma to 100 ma 250 ppm + 30 A 100 ma to 1 A 250 ppm A Assessment Manager: AS1 Page 3 of 8

4 AC CURRENT (cont d) Generation 60 Hz A multi-turn coil is 2.2 ma to 2.2 A 250 ppm available to simulate 2.2 A to 20 A 0.50 % current up to 1000A, but at increased uncertainties, for the calibration of clampon ammeters. Frequency 0.01 Hz to 0.1 Hz 0.1 Hz to 1 Hz 1 Hz to 10 Hz 2.0 in in in 10 4 By multi-period measurement 10 Hz to 100 Hz 100 Hz to 1 khz 1 khz to 10 khz 10 khz to 100 khz 100 khz to 1 MHz 1 MHz to 1.3 GHz 2.0 in in in in in in 10 8 By direct frequency measurement Generation 10 MHz 3.0 in Time Interval 100 ns to 1000 s 50 ns TEMPERATURE SIMULATION Temperature indicators, calibration by electrical simulation Resistance thermometers (PT 100) C to 800 C C Thermocouples: Type K -200 C to 1200 C C Type J -200 C to 1190 C C Type T -200 C to 400 C C Type B 500 C to 1800 C 0.21 C Type R -40 C to 249 C 0.26 C Type R 250 C to 1750 C 0.11 C Type S -40 C to 299 C 0.21 C Type S 300 C to 1750 C 0.12 C Type E -200 C to 990 C 0.06 C Type N -200 C to 1290 C 0.12 C Disabled Assessment Manager: AS1 Page 4 of 8

5 Temperature indicators, calibration by electrical simulation (cont d) Thermocouples: Type K -200 C to 1200 C 0.37 C Type J -200 C to 1190 C 0.37 C Type T -200 C to 400 C 0.37 C Type B 500 C to 1800 C 0.41 C Type R -40 C to 249 C 0.44 C Type R 250 C to 1750 C 0.38 C Type S -40 C to 299 C 0.41 C Type S 300 C to 1750 C 0.38 C Type E -200 C to 990 C 0.36 C Type N -200 C to 1290 C 0.38 C Enabled Temperature simulators, calibration by electrical simulation Resistance thermometers (PT 100) C to 800 C C Thermocouples: Type K -200 C to 1200 C 0.13 C Type J -200 C to 1190 C C Type T -200 C to 400 C 0.11 C Type B 500 C to 1800 C 0.31 C Type R -40 C to 449 C 0.38 C Type R 450 C to 1750 C 0.15 C Type S -40 C to 399 C 0.31 C Type S 400 C to 1750 C 0.16 C Type E -200 C to 990 C C Type N -200 C to 1290 C 0.16 C Disabled Type K -200 C to 1200 C 0.38 C Enabled Type J -200 C to 1190 C 0.37 C Type T -200 C to 400 C 0.37 C Type B 500 C to 1800 C 0.44 C Type R -40 C to 449 C 0.52 C Type R 450 C to 1750 C 0.39 C Type S -40 C to 399 C 0.47 ⁰C Type S 400 C to 1750 C 0.39 ⁰C Type E -200 C to 990 C 0.37 ⁰C Type N -200 C to 1290 C 0.39 ⁰C Compensation Nominal Ambient 17 C to 23 C 0.16 C Assessment Manager: AS1 Page 5 of 8

6 TEMPERATURE MEASUREMENTS Analogue and Digital Thermometers PRT Sensor - 25 C to 140 C 140 C to 200 C 0.03 C 0.18 C Thermocouple and Thermistor Sensors - 25 C to 140 C 140 C to 200 C 0.10 C 0.18 C Resistance Thermometer (100 ) - 25 C to 200 C 140 C to 200 C 0.03 C 0.18 C PRESSURE MEASUREMENTS Gas Pressure (gauge) Pressure equivalent calibration of Dead Weight Testers (pressure balances supplied with an associated mass set) 2.5 kpa to 3.5 kpa % Pa Calibrations may be undertaken 3.5 kpa to 100 kpa % Pa expressed in other units of 100 kpa to 2.6 MPa % Pa pressure if required. Pressure equivalent calibration 2.5 kpa to 3.5 kpa % Pa Pressure and Differential of Ametek gas pressure 3.5 kpa to 100 kpa % Pa pressure transmitters with standards 100 kpa to 2.6 MPa % Pa electrical outputs may be calibrated. Calibration of pressure indicating instruments and gauges Gas pressure (absolute) - 90 kpa to kpa % Pa Differential pressure cells may 1.5 kpa to 3.5 kpa % Pa be calibrated using the digital 3.5 kpa to 100 kpa % Pa communication protocol. 100 kpa to 1 MPa % Pa 1 MPa to 21 MPa % Calibration of pressure indicating instruments and gauges 100 Pa to 1.5 kpa % + 30 Pa 1.5 kpa to 130 kpa % + 11 Pa 130 kpa to 200 kpa % + 30 Pa Assessment Manager: AS1 Page 6 of 8

7 PRESSURE MEASUREMENTS (cont d) Hydraulic Pressure (gauge) Pressure equivalent calibration of Dead Weight Testers (pressure balances supplied with an associated mass set) and calibration of pressure indicating instruments and gauges 0.5 MPa to 7 MPa 7 MPa to 70 MPa 70 MPa to 140 MPa % + 30 Pa % Pa % Pa Gas Pressure (differential) Calibration of pressure indicating instruments and gauges Line pressure 1 MPa to 21 MPa 1.5 kpa to 1 MPa 0.60 ppm of line pressure, plus % of differential pressure, plus 10 Pa DIMENSIONAL Orifice Plates BS EN ISO :2003 Orifice plates with the following bore d diameters 12.5 mm to 200 mm 200 mm to 500 mm Liquid density transducers 0.015mm 0.016mm Air Oil 1.2 kgm kgm -3 At temperatures 886 kgm -3 to 888 kgm kgm -3 between 20 C and 20.5 C Assessment Manager: AS1 Page 7 of 8

8 Gas density transducers Nitrogen 9 kgm -3 to 256 kgm % Argon 35 kgm -3 to 413 kgm % Volume Calibration of compact provers 20 l to 40 l 40 l to 50 l 50 l to 120 l 120 l to 130 l % % % % Lab A Calibration of Volume vessels 20 l 40 l 60 l 80 l 100 l 120 l 140 l % % % % % % % Lab A Volume Calibration of pipe Provers Water At flow rates of 300 l/min to 3000 l/min % Pipe provers from 4 to 36 Site Hydrocarbons At flow rates of 300 l/min to 3000 l/min % Flow Water volume flow rate Hydrocarbon volume flow rate 0.95 l/min to 6623 l/min 0.95 l/min to 6623 l/min % % Suitable for the calibration of 2 to 6 turbine meters Site END Assessment Manager: AS1 Page 8 of 8