Wavetek Meterman 85XT Manuel D'utilisation page 21

Input Impedance: 10MΩ
OL Protection, 200mV Range: 350VAC
RMS / 500VDC (15 seconds)
Other Ranges: 750V RMS/ 1000VDC
DC Current DC Current
DC Current DC Current
Ranges: 200µA, 2, 20, 200mA, 20A *
*15 to 20A for 30 sec max
Resolution, 200µA range: 10nA
Accuracy, 200µA to 200mA ranges:
± (0.5% rdg + 5 dgt)
20A range: ± (2.0% rdg + 10 dgt)
Burden Voltage:
200µA to 20A ranges: 350mVDC
200mA range: 650mVDC
20A range: 850mVDC
OL Protection, mA input: 0.5A/250V fast
blow ceramic fuse
20A input: 20A/600V fast blow ceramic fuse
AC Current. True RMS AC Current. True RMS
AC Current. True RMS AC Current. True RMS
Ranges: 200µA, 2, 20, 200mA, 20A*
*.15 to 20A for 30 sec max
Resolution, 200µA range: 10nA
Accuracy (50Hz .1 kHz), 200µA to
200mA rgs: ± (0.8% rdg + 10 dgt)
20A rg: ± (2.5% rdg + 10 dgt)
Conversion: AC coupled, True RMS
responding
Crest Factor for True RMS: 5 :1
Burden Voltage:
200µA to 20A ranges: 350mVDC
200mA range: 650mVDC
20A range: 850mVDC
OL Protection, mA input: 0.5A/250V fast
blow ceramic fuse
20A input: 20A/600V fast blow ceramic fuse
Resistance Resistance
Resistance Resistance
Ranges: 200Ω, 2, 2, 20, 200kΩ, 2, 20MΩ.
Resolution, 200 Ω, range: 10mΩ
Accuracy, 200 W rg: ± (0.25%rdg + 10 dgt)
2 to 200kΩ rgs: ± (0.15% rdg + 3 dgt)
2MΩ rg: ± (0.25% rdg + 10 dgt)
20MΩ rg: ± (1.0% rdg + 10 dgt)
OL Protect. all rgs: 500VDC or AC RMS
Open Circuit Volts, all rgs: 3.2VDC typ.
Continuity Con tinuity
Con Con tinuity tinuity
Audible Indication, 200Ω range:
at R < 75 Ω
Response time: 500ms approx
Open circuit volts: 3.2VDC typical
OL Protection: 500VDC or AC RMS
Diode Test Diode Test
Diode Test Diode Test
Test Current: 1mA (approx.)
Test Voltage: 3.2VDC typical
Accuracy: ± (0.8% rdg + 1 dgt)
Display, 2V range: Forward Junction Voltage
OL Protection: 500VDC or AC RMS
Frequency Measurement Frequency Measurement
Frequency Measurement Frequency Measurement
Ranges: 2, 20, 200kHz
Resolution, 2kHz range: 0.1 Hz
Accuracy: ± (0.5% rdg + 10 dgt)
Input Impedance, all ranges: 10MΩ // 110pF
Sensitivity, Sine Wave: 50mV RMS min (at >
30% and < 70% duty cycle: 400mV RMS
min.)
Minimum input range: 2kHz: 10Hz; 20kHz:
> 60 dgt; 200kHz: > 60 dgt.
OL Protection: 500VDC or AC RMS
Duty Cycle Duty Cycle
Duty Cycle Duty Cycle
Range: 0 to 90.0% Resolution: 0.1 %
Pulse Width: > 10µsec min
Frequency Range: 40Hz to 20kHz
Accuracy, (5V Logic): ± (2.0%rdg + 10 dgt)
OL Protection: 500VDC or AC RMS
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