Fluke 1623-2 Datasheet - Page 6

Measurement of interference voltage dc + ac (UST) Measuring Limits of error: method Fullwave rectification Measuring Range 1 V to 50 V Display Range 0.0 V to 50 V Resolution 0.1 V Frequency Range dc/ac 45 Hz to 400 Hz sine Limits of Error ± (5 % of rdg + 5 digit) Measuring sequence Internal resistance Max. overload approx. 4 measurements/s approx. 1.5 MΩ Urms = 250 V Measurement of interference frequency (F ) Measuring method Measurement of oscillation period of the interference voltage Measuring Range 6.0 Hz to 400 Hz Display Range 16.0 Hz to 299.9 Hz to 999 Hz Resolution 0.1 Hz to 1 Hz Range 1 V to 50 V Accuracy ± (1 % of rdg + 2 digit) Earthing resistance (RE) Measuring method Open circuit voltage Short circuit current Measuring frequency Noise rejection Max. overload Current and voltage measurement with probe as IEC61557-5 20/48 V, ac 250 mA ac 94, 105, 111, 128 Hz selected manually or automatic. (AFC) 55 Hz in function R* 120 dB (162/3, 50 , 60, 400 Hz) Urms = 250 V Electrical measurement specifications Intrinsic error or influence quantity Intrinsic error Position Supply voltage Temperature Series interference voltage Resistance of the probes and auxiliary earth electrodes System frequency System voltage Operating error A = intrinsic error En = variations R = routine test T = type test Reference conditions or specified operating range Reference conditions Reference position ± 90° At the limits stated by the manufacturer 0 °C and 35 °C See 4.2 and 4.3 0 to 100 x RA but ≤ 50 kΩ 99 % to 101 % of the nominal frequency 85 % to 110 % of the nominal voltage Designation code A E1 E2 E3 E4 E5 E7 E8 Requirements or test in accordance with the relevant parts of IEC 1557 Part 5, 6.1 Part 1, 4.2 Part 1, 4.2, 4.3 Part 1, 4.2 Part 5, 4.2, 4.3 Part 5, 4.3 Part 5, 4.3 Part 5, 4.3 Part 5, 4.3 Type of test R R R T T T T T R MyFlukeStore Shop for Fluke products online at: www. .com 1.877.766.5412