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Model 187 & 189
Users Manual
7-4
Basic Specifications
Function Ranges/Description
DC Voltage 0 to 1000 V
AC Voltage, true RMS 2.5 mV to 1000 V – 100 kHz bandwidth
Basic Accuracy DC voltage: 0.025 %
AC voltage: 0.4 %
DC Current 0 to 10 A (20 A for 30 seconds)
AC Current, true RMS 25 µA to 10 A (20 A for 30 seconds)
Resistance 0 to 500 MΩ
Conductance 0 to 500 nS
Capacitance 0.001 nF to 50 mF
Diode Test 3.1 V
Temperature −200 °C to 1350 °C (−328 °F to 2462 °F)
Frequency 0.5 Hz to 1000 kHz
LOGGING Intervals
(Model 189 only)
At least 288 intervals may be stored. Up to 707 unstable event values (see AutoHold)
are automatically added to LOGGING memory for viewing only through optional PC
software. Additional intervals will be logged up to 995 if the signal is stable.
SAVE Readings
(Model 189 only)
Up to 100 readings may be saved by the user in a memory separate from LOGGING
memory. These readings may be viewed using VIEW MEM.