Crompton 078-218, Sealed AC – Wattmeter
Crompton 078-218, Sealed AC – Wattmeter
The Crompton Instruments Switchboard series of AC wattmeters and varmeters incorporate a DC moving coil, pivot and jewel indicator with a micro-circuit watt transducer PCB to read power on single or three-phase systems. The most frequently selected wattmeter scale marking for common Current and voltage Transformer s are listed on the following pages. In addition, these instruments may be supplied with zero-left or center-zero scale.
Crompton Switchboard Meters offers two case types; models 007 and 078
- Model 007 is a one piece flame retardant polycarbonate moulding with a black matte finished bezel area, and a specially contoured window to minimize reflection from adjacent light sources.
- Model 078 is high shock hermetically sealed and all models have heavy gauge pressed steel cases.They have a die-cast bezel and a projecting moulded toughened glass window, which incorporates a gas tight zero adjuster.
Features
- 250° Linear Scale
- AC Instruments with True RMS Circuit
- Rugged Pivot & Jewel Movement
- IP54 Front
- c-UL-us Certification
