1587/1577 Insulation Multimeters Technical Data Two powerful tools in one. The Fluke 1587 and 1577 Insulation Multimeters combine a digital insulation tester with a full-featured, true-rms digital multimeter in a single compact, handheld unit, which provides maximum versatility for both troubleshooting and preventative maintenance. Like other tools that you have come to expect from Fluke, the 1587 and 1577 are rugged, reliable and easy to use. Whether you work on motors, generators, cables or switch-gear, the Fluke 1587/1577 Insulation Multimeters are ideally suited to help you with your tasks. Large display with backlight Capacitance, diode test, temperature, Min/Max, frequency (Hz) (1587 only) Insulation test (1587: 0.01 M to 2 G) (1577: 0.1 M to 600 M) Auto power off to save battery power Insulation test voltages (1587: 50 V, 100 V, 250 V, CAT III 1000 V, CAT IV 600 V measurement category 500 V, 1000 V),(1577: 500 V, 1000 V) for many Included accessories: Remote probe, test leads applications and probes, alligator clips, (K-type thermocouple, Live circuit detection prevents insulation test if volt- 1587 only) age > 30 V is detected for added user protection Accepts optional Fluke TPAK magnetic hanging Auto-discharge of capacitive voltage for added user system to free your hands for other work protection Rugged, utility hard case allows you to bring AC/DC voltage, DC milliVolts, AC/DC milliamps, everything you need for the job Resistance (), Continuity Three year warranty Filter for motor drive measurements (1587 only) 1587/1577 Specifications AC voltage measurement 1587 accuracy Range Resolution 50 Hz to 60 Hz 60 Hz to 5000 Hz 600.0 mV 0.1 mV + (1 % + 3) + (2 % + 3) 6.000 V 0.001 V + (1 % + 3) + (2 % + 3) 60.00 V 0.01 V + (1 % + 3) + (2 % + 3) 1 600.0 V 0.1 V + (1 % + 3) + (2 % + 3) 1 1000 V 1 V + (2 % + 3) + (2 % + 3) 1 1 kHz bandwidth 1587 lowpass filter Voltage Range Resolution 50 Hz to 60 Hz 60 Hz to 400 Hz (% of Rdg + Digits) (% of Rdg + Digits) 600.0 mV 0.1 mV (1 % + 3) + (2 % + 3) (6 % 3) 6.000 V 0.001 V (1 % + 3) + (2 % + 3) (6 % 3) 60.00 V 0.01 V (1 % + 3) + (2 % + 3) (6 % 3) 600.0 V 0.1 V (1 % + 3) + (2 % + 3) (6 % 3) 1000 V 1 V (2 % + 3) + (2 % + 3) (6 % 3) 1577 accuracy Range Resolution 50 Hz to 60 Hz 600.0 mV 0.1 mV (2 % + 3) 6.000 V 0.001 V (2 % + 3) 60.00 V 0.01 V (2 % + 3) 600.0 V 0.1 V (2 % + 3) 1000 V 1 V (2 % + 3) AC conversion: Inputs are ac-coupled and calibrated to the rms value of sine wave input. Conversions are true-rms responding and specified from 5 % to 100 % of range. Input signal crest factor can be up to 3 at = up to 500 V, decreasing linearly to crest factor < 1.5 at 1000 V. For non-sinusoidal waveforms add (2 % reading + 2 % FS) typical, for a crest factor up to 3. Input impedance: 10 M (nominal), < 100 pF, ac-coupled Common mode rejection ratio (1 k unbalanced): > 60 dB at dc, 50 or 60 Hz 7 Overload protection: 1000 V rms or dc, 10 V Hz Max DC voltage measurement 1 1 Range Resolution Accuracy 1587 Accuracy 1577 6.000 V dc 0.001 V (0.09 % + 2) (0.2 % + 2) 60.00 V dc 0.01 V (0.09 % + 2) (0.2 % + 2) 600.0 V dc 0.1 V (0.09 % + 2) (0.2 % + 2) 1000 V dc 1 V (0.09 % + 2) (0.2 % + 2) 1 Accuracies apply to 100 % of range Input impedance: 10 M (nominal), < 100 pF Normal mode rejection ratio: > 60 dB 50 Hz or 60 Hz Common rode rejection ratio: > 120 dB dc, 50 Hz or 60 Hz (1 k unbalance) Overload protection: 1000 V rms or dc DC millivolts measurement Range Resolution Accuracy 1587 Accuracy 1577 600.0 mV dc 0.1 mV (0.1 % + 1) (0.2 % + 1) 2 Fluke Corporation 1587/1577 Insulation Multimeters