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Double Moving Iron AC Voltmeter1. Feature: W/O cover on the movement(C), With cover on the movement(F)[the former is default].2. Model: 90° SF-96-3.Measuring the alternative voltage with frequency ranging from 15Hz to 100Hz, these meters indicate true RMS values and are substantially independent of system waveform.The nominal mark is T.(br).
3. Accuracy: Class1.5. 4. Specification: 30V, 50V, 75V, 100V, 120V, 150V, 200V, 250V, 450V, 500V, 600V. For 450-450KV, meters can use potential transformer with secondary voltage 100V or 110V.5. 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 and 120 respectively.6. Mounting: SF series is flush mounting with bracket.
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Double Moving Iron AC Voltmeter