• A H Controls

Voltage, Current & Frequency Meters

A H Controls offers a Three Phase Voltage, Current And Frequency Meter. This is available in 1/4 DIN cabinet (96 x 96 mm size) with independent display for each parameter. The VAF meter has bright seven segment led display for clear day light viewing, it has built-in three phase transducer for voltage and current, field programmable CT ratio which is stored in non-volatile memory. It indicates voltage in the following sequence RY, YB, BR, RN, YN, BN and current in R, Y, B, by scroll key. Specifications: auxiliary supply 110 V model (85 -130 V AC), 230 V model (180 - 270 V AC); burden of >0.2 VA on each voltage, current and frequency signal. >3.0 VA on auxiliary supply; input range for voltage - 0 to 500 V AC, current 0.25 to 6.0 A, frequency 30 to 100 Hz, and resolution is 1 count for voltage, 0.01 count for frequency, 0.1 count for CT ratio 1000/5 A; accuracy class 2 for voltage and current, 0.1% of the range for frequency; operating ambient - 0 to 60°C, RH