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AC Voltage Input impedance: 450K, Input protection: 500V RMS,
Frequency Range: 40Hz-400Hz.
Range Accuracy
200V ± 2.0% rdg ± 5 dgts
500V
DIODE CHECK Test current 1.6mA typical.
Range Accuracy
3.2V DC Typical ~
reading = accuracy of the measurement circuit
digits = accuracy of the analogue to digital conversion
WARNING: Ensure the test leads are fully engaged prior to carrying out any
measurements, to avoid an electric shock.
DC Current Overload protection: 200mA/250V fuse.
Range Accuracy
2000A ± 2.0% rdg ± 4 dgts
20mA
200mA
Resistance
Range Accuracy
200 ± 1.5% rdg ± 4 dgts
2000
20k
200k
2000k
4.1 SCOPE
A device to allow simple measurement of voltage, current and resistance.
4.2 SPECIFICATION
Stock no....................................................................................................................... 52320
Part no........................................................................................................................ DMM7
Dimensions (W x H x D) ............................................................................ 55 x 112 x 40mm
Battery type ............................................................................................. 1 x 12V (Type 23A)
Weight ..............................................................................................................................70g
Fuse and diode protected.
Warning: To avoid electrical shock remove test leads before opening battery cover. To
prevent risk of fire only use the correct size/type fuse, as fitted.
4. INTRODUCTION
5
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