The 658 can be used to monitor power disturbances and harmonics, as well as other sources of disruption like temperature, humidity, and radiated RF noise.
True RMS voltage and current meter
Scope Mode Meter Mode Event monitor

All our used & refurbished equipment is subject to electrical and cosmetic refurbishment in our In House Calibration Laboratory. We offer full warranty on all our equipment, supported by our Calibration & Repair Laboratory. Free shipping in the UK is standard. Please call or email us for a quick price quote