3121
Dual scales for low and high ranges, which change automatically.
Drip proof construction.
Hard carrying case is highly water resistant
Low power consumption
Battery check
Rate measurement Voltage test: 2500V
Range: 0~2000MΩ/1000-100,000MΩ (automatic change) ?% of scale length
Dimension: 200(W) 85(H) mm
Weight: Approx.1000g (including battery)

3122
Dual scales for low and high ranges, which Change automatically.
Drip proof construction.
Hard carrying case is highly water resistant.
Low power consumption
Battery check
Rate measurement Voltage test: 5000V
Range: 0~5000Ω/2000~200,000MΩ (automatic change) ?% of scale length
Dimension: 200(l) 143(W) 85(H) mm
Weight: Approx.1010g (including battery)

3123
Dual scales for low and high ranges which change automatically
Drip proof construction
Hard carrying case is highly water resistant.
Low power consumption.
Battery check
Rate measurement Voltage test:5000/1000V
Rang: 0~5GΩ/2~200GΩ; 0~10GΩ/4~400GΩ (automatic change) ?% of scale length
Dimension: 200(L) 143(W) 85(h) mm
Weight: Approx.1010g (including battery)