HARNWELL ELECTRICAL

1. Measure true value of Voltage / Current / Watt / Power factor / Frequency / Active Energy / Reactive power Voltage / ampere rate free setting. 2. A

1. Multi-functions, save labor & stuff; 2. Upper show Hz / VA / PF / KW / VAR / KWH etc; 3. Left of lower show Vottage only; 4. Right of lower s

1.Style: cylinder shape (M8, M12, M18, M30), and rectangular shape 2.Shielded or unshielded type 3.DC 2-Wire (10-30VDC), DC 3-Wire (10-30VDC), DC 4-

Features: 1) To measure true effective value (for AC signal); 2) To measure voltage, current, power factor, active power, reactive power, appearan