Fluke 1577 Fluke 1577 and 1587 Insulation Multimeter Datasheet - Page 4

1587/1577 Specifications cont. Frequency counter sensitivity Input Range 600.0 mV ac 6.0 V 60.0 V 600.0 V 1000.0 V V ac Sensitivity (RMS Sinewave)1 5 Hz to 20 kHz 20 kHz to 100 kHz 150.0 mV 150.0 mV 0.3 V 0.7 V 3.0 V 10.0 V 35.0 V 100.0 V 200.0 V 700.0 V DC Trigger Levels to 20 kHz2 N/A -400.0 mV and 2.5 V 1.5 V and 4.0 V 15.0 V and 40.0 V 15.0 V and 40.0 V 1Maximum input for specified accuracy = 10x range (1000 V max). Noise at low frequencies and amplitudes may affect accuracy. 2Usable to 100 kHz with full scale input. Capacitance (1587 only) Range 1000 nF 10.00 µF 100.0 µF 9999 µF Resolution 1 nF 0.01 µF 0.1 µF 1 µF ± (% of Rdg+Digits) ± (1.2 % + 2) ± (1.2 % +/- 90 counts) Temperature measurement (1587 only) Range -40 °C to 537 °C -40 °F to 998 °F Resolution 0.1 °C 0.1 °F Accuracy1 1 % + 10 counts 1 % + 18 counts 1Accuracies apply following 90 minutes settling time after a change in the ambient temperature of the instrument Insulation specifications Measurement range: 1587: 0.01 MΩ to 2 GΩ , 1577: 0.1 MΩ to 600 MΩ Test voltages: 50, 100, 250, 500, 1000 V model 1587, 500 and 1000 V model 1577 Test voltage accuracy: + 20 %, - 0 % Short-circuit test current: 1 mA nominal Auto discharge: Discharge time < 0.5 second for C = 1 µF or less Live circuit detection: Inhibit test if terminal voltage > 30 V prior to initialization of test Maximum capacitive load: Operable with up to 1 µF load 4 Fluke Corporation 1587/1577 Insulation Multimeters