Greenlee IPM-300 Manual De Instrucciones página 36

Specifications (cont'd)
Frequency - Source and Measure
Range
1 to 1000 CPM
1 to 1000 Hz
0.01 to 10.00 kHz
Source:
Output Waveform: square wave, zero crossing, -1 V to + 5 V ±10%
Risetime: Hz <5 microseconds; CPM < 100 microseconds
Output Impedance: <100 ohms
Source current: >1 mA at 10 kHz
Short Circuit Duration: infinite
Measure:
Trigger Level: 1 V rms, DC coupled
Input Impedance: > 1Meg ohm + 60 pF
Note: High signal noise and low slew rates (volts per second) may affect reading
uncertainty.
Continuity Checking
Test Current: Nominal 1 mA
Threshold: 100 ohm ±20%
Indications: Steady tone, symbol on LCD, and ohm reading
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Accuracy
±2 CPM
±2 Hz
±0.02 kHz