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Analogue Insulation Tester

MODEL 3322A/3323A

AC Voltmeter with linear, easy-to-read scales.
Auto discharge function; any charge stored in the circuit under test will be automatically discharged after testing.
Designed to meet IEC/EN 61010-1 CAT III 600V, CAT II 1000V
Color-coded scales for easy reading.
Back light function to facilitate working at dimly illuminated locations.
Test lead set with remote control switch.
Shoulder strap for hands free.

3322A 125V/250V/500V 3323A 25V/50V/100V
MODEL 3322A 3323A
Insulation Resistance
DC Test Voltage 125V/250V/500V 25V/50V/100V
Max. Effective
Scale Value
20MΩ/50MΩ/100MΩ 10MΩ/10MΩ/20MΩ
Mid-Scale Value 0.5MΩ/1MΩ/2MΩ 0.2MΩ/0.2MΩ/0.5MΩ
First Effective
Measuring Range

0.02 - 10MΩ (125V)
0.05 - 20MΩ (250V)
0.1 - 50MΩ (500V)
0.01 - 5MΩ (25V)
0.01 - 5MΩ (50V)
0.02 - 10MΩ (100V)
|±5% of Indicated Value
Second Effective
Measuring Range

10 - 20MΩ (125V)
20 - 50MΩ (250V)
50 - 100MΩ (500V)
5 - 10MΩ (25V)
5 - 10MΩ (50V)
10 - 20MΩ (100V)
|±10% of Indicated Value
AC Voltage 600V
Accuracy |±3% of Full Scale Value (AC V range)
|±5% of Full Scale Value (Except for AC V range)
Safety Standard IEC/EN 61010-1 CAT III 600V, CAT II 1000V
Withstand Voltage 5550V AC for 1 minute
Power Source R6 (AA) (1.5V) × 6
Dimensions 105(L) × 158(W) × 70(D)mm
Weight 520g approx.
Accessories 7150A (Remote control switch set)
Shoulder Strap
R6 (AA) × 6
Instruction Manual
Optional 7115 (Extension Probe)
8016 (Hook type prod)
9089 (Carrying Case)


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