2 Pine Trees, Chertsey Lane, Staines-upon-Thames, TW18 3HR, UK Unit 6 Contact: Mr J Puttock Spectrum Business Estate Tel: +44 (0)1622 690187 Bircholt Road Fax: +44 (0)1622 678827 Parkwood E-Mail: jonputtock@aol.com Maidstone Website: www.alpha-electronics.com Kent ME15 9YP Calibration performed at the above address only DETAIL OF ACCREDITATION ELECTRICAL DC Voltage Generation 0 V to 200 mv 69 ppm + 4.0 μv 200 mv to 330 mv 69 ppm + 5.0 μv 330 mv to 1 V 58 ppm + 9.0 μv 1 V to 2. V 58 ppm + 13.0 μv 2 V to 3.3 V 58 ppm + 16.0 μv 3.3 V to 10 V 58 ppm + 91 μv 10 V to 20 V 58 ppm + 140 μv 20 V to 33 V 58 ppm + 190 V 33 V to 100 V 64 ppm + 1.0 mv 100 V to 200 V 64 ppm + 2.0 mv 200 V to 330 V 64 ppm + 3.0 mv 330 V to 500 V 64 ppm + 5.0 mv 500 V to 1020 V 64 ppm + 8.0 mv 1 kv to 15 kv 0.030 % + 6.0 V Measurement 0 V to 100 mv 5.5 ppm + 0.80 μv 100 mv to 1 V 4.5 ppm + 2.7 μv 1 V to 10 V 4.6 ppm + 31 μv 10 V to 100 V 6.8 ppm + 320 μv 100 V to 1 kv 6.8 ppm + 3.0 mv 1 kv to 15 kv 0.030 % + 6.0 V Assessment Manager: EG Page 1 of 10
DC Current Generation 0 μa to 200 μa 180 ppm + 245 na 200 μa to 330 μa 180 ppm + 26 na 0.33 ma to 1 ma 120 ppm + 63 na 1 ma to 2 ma 120 ppm + 76 na 2 ma to 3.3 ma 120 ppm + 95 na 3.3 ma to 10 ma 120 ppm + 390 na 10 ma to 20 ma 120 ppm + 580 na 20 ma to 33 ma 120 ppm + 810 na 33 ma to 100 ma 120 ppm + 4.0 μa 100 ma to 200 ma 120 ppm + 6.0 μa 200 ma to 330 ma 120 ppm + 8.0 μa 0.33 A to 1 A 440 ppm + 71 μa 1 A to 2 A 440 ppm + 120 μa 2 A to 3.3 A 440 ppm + 250 A 3.3 A to 10 A 700 ppm + 1.0 ma 10 A to 20 A 0.12% +3.0 ma 20 A to 30 A 350 ppm + 4.5 ma Generation 30 A to 500 A 0.050 % + 0.50 A 500 A to 1000 A 0.050 % + 0.60 A 1000 A to 1500 A 0.050 % + 1.5 A For the calibration of clampmeters only Measurement 0 A to 10 na 0.58 % + 150 pa 10 na to 100 na 0.21 % + 150 pa 100 na to 1µA 0.023 % + 150 pa 1 µa to 10 µa 0.035 % + 230 pa 10 µa to 100 µa 8.0 ppm + 900 pa 100 µa to 1 ma 18.0 ppm + 10 na 1 ma to 10 ma 11 ppm + 100 na 10 ma to 100 ma 35 ppm + 1,1 µa 100 ma to 1 A 180 ppm + 20 µa 1 A to 10 A 420 ppm + 1.8 ma 10 A to 30 A 570 ppm + 6.0 ma Assessment Manager: EG Page 2 of 10
DC Resistance Sourcing Specific Values 100 µ 60 ppm 500 µ 60 ppm 1 m 60 ppm 2 m 60 ppm 4 m 60 ppm 0.01 6.0 ppm + 0.30 µ 0.1 6.0 ppm + 0.20 µ 1 2.4 ppm + 0.050 µ 10 2.5 ppm + 0.50 µ 100 2.5 ppm + 13 µ 1 k 2.7 ppm + 65 µ 10 k 3.0 ppm + 1.3 m 100 k 3.0 ppm + 6.0 m 1 M 24 ppm + 9.0 10 M 28 ppm + 130 100 M 0.050 % + 4.0 k 1 G 0.24 % + 520 k 400 µ 1.5 µ For the calibration of low 4 m 10 µ resistance ohmmeters up to 40 m 11 µ 10 A 400 m 100 µ 4 1.2 m 40 10 m 400 95 m 4 k 250 m 40 k 10 400 k 95 Measurement 0 to 10 18 ppm + 8.0 μ Other Values 10 to 100 12 ppm + 45 μ 100 to 1 k 11 ppm + 230 μ 1 k to 10 k 11 ppm + 19 m 10 k to 100 k 12 ppm + 370 100 k to 1 M 13 ppm + 4.4 1 M to 10 M 18 ppm + 110 Assessment Manager: EG Page 3 of 10
Other Values 10 M to 100 M 0.082 % For the measurement of Sourcing & Measurement 100 M to 1 G 0.15 % insulation testers up to 5 kv 1 G to 10 G 0.30 % 10 G to 100 G 0.65 % 100 G to 1 T 0.70 % AC Voltage 10 mv to 33 mv Generation 10 Hz to 45 Hz 0.17 % + 23 V 45 Hz to 10 khz 0.12 % + 23 V 10 khz to 20 khz 0.17 % + 23 V 20 khz to 50 khz 0.23 % + 23 V 50 khz to 100 khz 0.40 % + 38 V 100 khz to 500 khz 1.16 % + 69 V 33 mv to 330 mv 10 Hz to 45 Hz 0.060 % + 25 µv 45 Hz to 10 khz 0.030 % + 25 µv 10 khz to 20 khz 0.080 % + 25 µv 20 khz to 50 khz 0.12 % + 47 µv 50 khz to 100 khz 0.27 % + 200 µv 100 khz to 500 khz 0.58 % + 390 µv 330 mv to 3.3 V 10 Hz to 45 Hz 0.060 % + 110 µv 45 Hz to 10 khz 0.030 % + 110 µv 10 khz to 20 khz 0.080 % + 110 µv 20 khz to 50 khz 0.12 % + 110 µv 50 khz to 100 khz 0.27 % + 250 µv 100 khz to 500 khz 0.58 % + 1.10 mv 3.3 V to 33 V 10 Hz to 45 Hz 0.06 % + 1.6 mv 45 Hz to 10 khz 0.03 % + 1.1 mv 10 khz to 20 khz 0.08 % + 1.1 mv 20 khz to 50 khz 0.12 % + 1.1 mv 50 khz to 100 khz 0.27 % + 2.5 mv 33 V to 330 V 45 Hz to 1 khz 0.06 % + 9.0 mv 1 khz to 20 khz 0.10 % + 14 mv 20 khz to 50 khz 0.14 % + 14 mv 50 khz to 100 khz 0.28 % + 93 mv 330 V to 1020 V 45 Hz to 1 khz 0.060 % + 38 mv 1 khz to 10 khz 0.10 % + 38 mv 50 Hz 1 kv to 15 kv 0.40 % + 60 V Assessment Manager: EG Page 4 of 10
Measurement 10 Hz to 40 Hz 10 mv to 100 mv 0.060 % + 32 V 100 mv to 1 V 0.050 % + 220 V 1 V to 10 V 0.050 % + 2.5 mv 10 V to 100 V 0.060 % + 35 mv 100 V to 1 kv 0.060 % + 530 mv 40 Hz to 200 Hz 10 mv to 100 mv 0.025 % + 40 V 100 mv to 1 V 0.025 % + 140 V 1 V to 10 V 0.025 % + 1.5 mv 10 V to 100 V 0.025 % + 30 mv 100 V to 1 kv 0.025 % + 510 mv 200 Hz to 1 khz 10 mv to 100 mv 0.020 % + 32 V 100 mv to 1 V 0.018 % + 140 V 1 V to 10 V 0.018 % + 1.4 mv 10 V to 100 V 0.021 % + 30 mv 100 V to 1 kv 0.021 % + 500 mv Measurement (cont d) 1 khz to 2 khz 10 mv to 100 mv 0.020 % + 32 V 100 mv to 1 V 0.018 % + 200 V 1 V to 10 V 0.018 % + 2.2 mv 10 V to 100 V 0.021 % + 30 mv 100 V to 1 kv 0.021 % + 500 mv 2 khz to 20 khz 10 mv to 100 mv 0.030 % + 33 V 100 mv to 1 V 0.030 % + 220 V 1 V to 10 V 0.030 % + 2.5 mv 10 V to 100 V 0.035 % + 30 mv 100 V to 1 kv 0.035 % + 510 mv 20 khz to 100 khz 10 mv to 100 mv 0.070 % + 130 V 100 mv to 1 V 0.070 % + 1.2 mv 1 V to 10 V 0.070 % + 12 mv 20 khz to 50 khz 10 V to 100 V 0.10 % + 110 mv 100 V to 1 kv 0.10 % + 800 mv 100 khz to 1 MHz 100 mv to 1 V 1.2 % + 22 mv 100 khz to 200 khz 1 V to 10 V 1.2 % + 300 mv 50 Hz 1 kv to 15 kv 0.40 % + 60 V Assessment Manager: EG Page 5 of 10
AC Current Generation 29 μa to 330 μa 10 Hz to 20 Hz 0.23 % + 150 na 20 Hz to 1 khz 0.17 % + 130 na 1 khz to 5 khz 0.35 % + 200 na 5 khz to 10 khz 0.92 % + 270 na 10 khz to 30 khz 1.90 % + 470 na 0.33 ma to 3.3 ma 10 Hz to 20 Hz 0.23 % + 230 na 20 Hz to 1 khz 0.14 % + 220nA 1 khz to 5 khz 0.23 % + 290 na 5 khz to 10 khz 0.58 % + 460 na 10 khz to 30 khz 1.20 % + 760 na 3.3 ma to 33 ma 10 Hz to 20 Hz 0.21 % + 3.0 µa 20 Hz to 45 Hz 0.10 % + 3.0 µa 45 Hz to 1 khz 0.05 % + 3.0 µa 1 khz to 5 khz 0.09 % + 3.0 µa 5 khz to 10 khz 0.23 % + 6.0 µa 10 khz to 30 khz 0.46 % + 7.0 µa 33 ma to 330 ma 10 Hz to 20 Hz 0.21 % + 27 µa 20 Hz to 45 Hz 0.10 % + 26 µa 45 Hz to 1 khz 0.05 % + 25 µa 1 khz to 5 khz 0.12 % + 60 µa 5 khz to 10 khz 0.23 % + 130 µa 10 khz to 30 khz 0.46 % + 240 µa 330 ma to 3 A 10 Hz to 45 Hz 0.21 % + 180 µa 45 Hz to 1 khz 0.07 % + 180 µa 1 khz to 5 khz 0.69 % + 1.2 ma 5 khz to 10 khz 2.90 % + 5.8 ma 3 A to 11 A 45 Hz to 100 Hz 0.07 % + 4.0 ma 100 Hz to 1 khz 0.12 % + 4.0 ma 1 khz to 5 khz 3.50 % + 5.0 ma 11 A to 20 A 45 Hz to 100 Hz 0.14 % + 8.0 ma 100 Hz to 1 khz 0.17 % + 8.0 ma 1 khz to 5 khz 3.50 % + 8.0 ma 20 A to 30 A 40 Hz to 100 Hz 0.05 % + 3.1 ma Generation 50 Hz 30 A to 500 A 0.070 % + 0.50 A For the calibration of 500 A to 1500 A 0.070 % + 1.0 A clampmeters only Assessment Manager: EG Page 6 of 10
Measurement 40 Hz to 1 khz 10 μa to 100 μa 0.040 % + 25 na 100 μa to 1 ma 0.040 % + 240 na 1 ma to 10 ma 0.040 % + 2.5 μa 10 ma to 100 ma 0.040 % + 25 μa 100 ma to 1 A 0.050 % + 300 μa 1 A to 10 A 0.090 % + 7.0 ma 10 A to 30 A 0.090 % + 20 ma AC Power At unity power factor Generation 40 Hz to 400 Hz 3 W to 40 W 0.20 % 40 W to 4 kw 0.10 % 4 kw to 20 kw 0.10 % 50 Hz to 60 Hz 20 kw to 100 kw 0.40 % 100 kw to 1 MW 0.40 % Capacitance Sourcing Measurement 1 khz 10 pf to 900 pf 0.10 % + 1.2 pf 900 pf to 9 nf 0.10 % + 1.2 pf 9 nf to 90 nf 0.10 % + 12 pf 90 nf to 900 nf 0.10 % + 22 pf 900 nf to 9 µf 0.20 % + 270 pf 9 µf to 90 µf 0.40 % + 2.0 nf 1 khz 10 pf to 100 pf 0.12 % + 0.04 pf 100 pf to 1 nf 0.12 % + 0.05 pf 1 nf to 10 nf 0.12 % + 0.44 pf 10 nf to 100 nf 0.12 % + 2.5 pf 100 nf to 1 µf 0.12 % + 25 pf 1 µf to 10 µf 0.15 % + 300 pf 10 µf to 100 µf 0.32 % + 2.0 nf Inductance Sourcing 1 khz 1 mh 0.6 % + 2.1 H 10 mh, 20 mh & 30 mh 0.6 % + 7.0 H 50 mh 0.6 % + 15 H 100 mh 0.6 % + 43 H 1 H 0.6 % + 440 H Assessment Manager: EG Page 7 of 10
Measurement AC Resistance 1 khz 1 µh to 10 µh 0.14 % + 40 nh 10 µh to 100 µh 0.12 % + 30 nh 100 µh to 1mH 0.12 % + 200 nh 1 mh to 10 mh 0.12 % + 230 nh 10 mh to 100 mh 0.12 % + 14 µh 100 mh to 1 H 0.12 % + 170 µh 1 H to 10 H 0.23 % + 1.9 mh 1 khz 1 to 10 0.05 % + 0.7 m 10 to 100 0.05 % + 5 m 100 to 1 k 0.05 % + 45 m 1 k to 10 k 0.05 % + 0.63 Frequency 10 Hz to 3 GHz 0.015 ppm 10 s to 1 s 1.0 ppm Time Interval 20 ms to 400 ms 1.0 ms For the calibration of RCD 400 ms to 900 ms 8.2 ms timers Phase Angle Loop Resistance 50 Hz 0 to 360 0.62 50 Hz 0.05 to 5 0.58 % + 16 m Suitable for AC Current 10 to 100 0.58 % + 35 m up to 25A. The nominal values 100 to 1 k 0.58 % + 46 m depend on the local loop impedance. Optical Tachometers 60 rpm to 60000 rpm 60 ppm + 0.70 rpm Temperature indicators, calibration by electrical simulation Resistance Thermometer (Pt100) - 200 C to + 850 C 0.010 C Thermocouple type B 600 C to 800 C 0.61 C All thermocouple uncertainties listed include cold junction compensation 800 C to 1000 C 0.48 C 1000 C to 1550 C 0.42 C 1550 C to 1820 C 0.45 C Thermocouple type C 0 C to 150 C 0.41 C 150 C to 650 C 0.36 C 650 C to 1000 C 0.41 C 1000 C to 1800 C 0.63 C 1800 C to 2316 C 1.03 C Assessment Manager: EG Page 8 of 10
Temperature indicators, calibration by electrical simulation (cont d) Thermocouple type E - 250 C to -100 C 0.61 C - 100 C to - 25 C 0.24 C - 25 C to + 350 C 0.22 C 350 C to 650 C 0.24 C 650 C to 1000 C 0.28 C Thermocouple type J - 210 C to -100 C 0.36 C - 100 C to - 30 C 0.24 C - 30 C to + 150 C 0.22 C 150 C to 760 C 0.25 C 760 C to 1200 C 0.31 C Thermocouple type K - 200 C to -100 C 0.41 C - 100 C to - 25 C 0.26 C - 25 C to + 120 C 0.24 C 120 C to 1000 C 0.34 C 1000 C to 1372 C 0.50 C Thermocouple type N - 200 C to -100 C 0.49 C - 100 C to - 25 C 0.30 C - 25 C to + 120 C 0.27 C 120 C to 410 C 0.26 C 410 C to 1300 C 0.35 C Thermocouple type R 0 C to 250 C 0.75 C 250 C to 400 C 0.48 C 400 C to 1000 C 0.45 C 1000 C to 1767 C 0.52 C Thermocouple type S 0 C to 250 C 0.64 C 250 C to 1000 C 0.49 C 1000 C to 1400 C 0.50 C 1400 C to 1767 C 0.60 C Thermocouple type T - 200 C to -150 C 0.74 C - 100 C to 0 C 0.32 C 0 C to + 120 C 0.23 C 120 C to 400 C 0.21 C Assessment Manager: EG Page 9 of 10
TEMPERATURE Temperature indicators and -30 C to 0 C 0.10 C to 0.070 C recorders with sensors 0 C to 30 C 0.070 C 30 C to 140 C 0.070 C to 0.14 C 140 C to 230 C 0.24 C to 0.36 C 230 C to 420 C 0.36 C to 0.65 C 420 C to 650 C 0.65 C to 1.0 C PRESSURE Gas Pressure (gauge) Calibration of pressure indicating instruments and gauges 0 kpa to 2.0 MPa 1.8 kpa Hydraulic Pressure (gauge) Calibration of pressure indicating 0 kpa to 15 MPa 1.9 kpa instruments and gauges 15 MPa to 70 MPa 8.2 kpa to 8.7 kpa END Assessment Manager: EG Page 10 of 10