HIGH VOLTAGE INSULATION TESTER

KEW 3122A

Discontinued Products

Discontinued products

• Rugged design with a hard carrying case for field use
• Detachable High Voltage Line probe
• Automatic ranges, high and low scales, indicated by different LED's
• Drip proof
(Photo: 3123A)

Specification

3121A 3122A 3123A
DC test voltage 2500V 5000V 5000V 10000V
Measuring ranges
(automatic change)
2GΩ/100GΩ
(Auto-ranging)
5GΩ/200GΩ
(Auto-ranging)
5GΩ/200GΩ
(Auto-ranging)
10GΩ/400GΩ
(Auto-ranging)
First effective
measuring ranges
0.1 - 50GΩ 0.2 - 100GΩ 0.2 - 100GΩ 0.4 - 200GΩ
Accuracy ± 5% rdg
Other ranges accuracy ±10% rdg or 0.5% of scale length
Withstand voltage 5000V AC for 1 minute
Insulation Resistance
DC Test Voltage 5000V
Measuring ranges
(automatic change)
5GΩ/200GΩ (Auto-ranging)
First effective measuring range 0.2 - 100GΩ
Accuracy ± 5% rdg
Other ranges accuracy ±10% rdg or 0.5% of scale length
General
Power source R6 (AA) (1.5V) × 8
Dimension 200 (L) × 140 (W) × 80 (D) mm
Weight approx. 1kg
Accessories 7165A (Line probe) (3m) 7224A (Earth cord) (1.5m) 7225A (Guard code) (1.5m) 9158 (Hard case) R6 (AA) × 8 Instruction manual
Optional Accessories 7168A (Line probe with aligator clip) 8019 (Hook type prod) 8324 (Adaptor for recorder) 7253 (Longer Line probe with alligator clip) (15m)

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