ANALOG INSULATION TESTER

MODEL 3321A

Discontinued Products

Replacement Products

Discontinued products

• 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.

Specification

Insulation Resistance
DC Test Voltage 250V/500V/1000V
Max. effective scale value 50MΩ/100MΩ/2000MΩ
Mid-scale value 1MΩ/2MΩ/50MΩ
First effective measuring range 0.05 - 20MΩ (250V) 0.1 - 50MΩ (500V) 2 - 1000MΩ (1000V)
Accuracy ±5% of Indicated Value
Second effective measuring range lower 20 - 50MΩ (250V) 50 - 100MΩ (500V) 1000 - 2000MΩ (1000V)
Accuracy ±10% of Indicated Value
AC Voltage
AC voltage range 600V
Accuracy ±3% of Full Scale Value (AC V range) ±5% of Full Scale Value (Except for AC V range)
General
Safety Standard IEC/EN 61010-1 CAT III 600V, CAT II 1000V
Power source R6 (AA) (1.5V) × 6
Dimension 105(L) × 158(W) × 70(D)mm
Weight 520g approx.
Accessories 7150A (Remote control switch set) 7081B (Guard Connection Lead): 3321A only Shoulder Strap R6 (AA) × 6 Instruction Manual
Optional Accessories 7115 (Extension Probe) 8016 (Hook type prod) 9089 (Carrying Case)

Product category