Model Number Description DC Switchboard Meters AC Switchboard Meters - Iron Vane & Rectifier types Wattmeter's Synchroscopes

Power-Factor Meters Temperature Indicators Frequency Meters Voltmeters Standard Features General Specifications Options

 

Power-Factor Meters Drilling Plan The A&M Model 4951 power factor meters are designed to meet the requirements of MIL-M-19261 and MIL-M-16034. They are supplied as either self-contained or as a “matched set” with external transducer. In the external transducer configuration the transducer is matched to the meter. Both configurations are sealed watertight.   SPECIFICATIONS  Potential Input   Voltage ······················· 85-135VAC Single Phase Burden ························ 5VA Overload ····················· 150VAC Max.  Current Input   Current ······················· 0.001 to 5AAC Single Phase Burden ························ 1VA Overload ····················· 15AAC Max.  Accuracy   ±0.025 @ 0.5PF   |   ±0.007 @ 1.0PF  Frequency   60 Hz (Shorted Frequency Terminals, as shipped) 50 Hz (Open Frequency Terminals)  Temperature   Operating····················· -20°C to +65°C   Storage························ -65°C to +100°C  Dielectric Test   1500 VRMS  Transducer Input   -0.5mADC to +0.5mADC (Transducer Matched to Meter)   (model 568) Click for Image (model 727) Configurations Model Number Meter with External Transducer Matched to Meter 4951-568 Self contained 4951-727