Key Specifications & Feature
Square Type Moving Iron Voltmeter with Selector Switch
Feature: W/O cover on the movement(C), With cover on the movement(F)[the former is default]
Model: 90¡ãSF-96-3 SF-72-3
A selector switch is built into the instrument for measurement of AC voltage in a three phase network. The nominal mark is Z.
Technical data;
Class of accuracy: 1.5
Frequency range: 50HZ.
Case: Non-combustile ABS plastic material is used for making SF series'external case£¬and PPO plastic material is used for SF series's base; while Non-combustible PC plastic material is used for making SFT series'external case and base. Both of which will not suffer deformity under long-term use at 70¡æ and 120¡æ respectively.
3 phase 3 wire Measuring range: 100V, 150V 200V 250V 400V 500V
3-Position: L1-L2, L1-L3, L2-L3(OFF Position is available on request).

3 phase 4 wire Measuring range: 60V/100V, 80/150V 100/200V 150/250V, 250/400V 300/500V.
6-Position: L1-L2, L1-L3, L2-L3, L1-N, L2-N, L3-N(OFF Position is available on request)