1) Measuring voltage range: (crest factor 3) Voltage -15/30/60/150/300/600 V

2) Measurement current range: (crest factor 3)

- Direct input

* WT310: 5mA/ 10mA/ 20mA/ 50mA/ 100mA/ 200mA/ 0.5A/ 1A/ 2A/ 5A/ 10A/ 20A

* WT310HC: 1A/ 2A/ 5A/ 10A/ 20A/ 40A

* WT332 and WT333: 0.5A/ 1A/ 2A/ 5A/ 10A/ 20A

-External sensor input (optional): EX1: 2.5V/5V/10V or EX2: 50mV/100mV/200mV/500mV/1V/2V

3) Frequency range: DC & 0.5Hz ~ 100kHz

4) External size

-WT310, WT310HC: Approx. 213(W) x 88(H) x 379(D) mm

-WT332/WT333: Approx. 213(W) x 132(H) x 379(D) mm

5) Weight: About 3.0kg (WT310 ,WT310HC) / About 5.0kg (WT332 ,WT333)