User Manual

Insulation Multimeters
Specifications
35
Capacitance (1587 Only)
Range Resolution
Accuracy
+
(% of Rdg+Digits)
1000 nF 1 nF
10.00 µF 0.01 µF
100.0 µF 0.1 µF
+
(1.2 % + 2)
9999 µF 1 µF
+
(1.2 % +/- 90 counts)
Temperature Measurement (1587 Only)
Range Resolution
Accuracy
1
± (% of Rdg+Digits)
-40
o
C to 537
o
C 0.1
o
C + (1 % + 10 counts)
-40
o
F to 998
o
F 0.1
o
F + (1 % + 18 counts)
1. Accuracies apply following 90 minutes settling time after a change in the ambient temperature of the instrument.
Insulation Specifications
Measurement Range...........................................0.1 MΩ to 2 GΩ model 1587, 0.1 MΩ to 600 MΩ model 1577
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.