Extech EX650/EX655 User ManualThe Extech EX650 is a fully loaded True RMS AC Clampmeter. The True RMS feature provides accurate readings when measuring distorted or noisy waveforms and the Low Impedance (LoZ) mode to eliminate false readings caused by ghost voltages.
Extech EX650 Features:
- EX650 True RMS 600A AC Clamp Meter + NCV
- 9 Functions including AC Current
- Complete with test leads and 3 AAA batteries
- True RMS for accurate AC measurements
- 30mm jaw size accommodates conductors up to 350MCM
- LoZ prevents false readings caused by ghost voltages
- µA function for HVAC flame rod Current measurements
- Built-in Non-contact AC Voltage Detector (NCV) with LED indicator
- 6000 count backlit LCD display
- Data Hold freezes the reading on the display
- Min/Max captures highest and lowest readings
- Relative function
- Convenient LED worklight for viewing in dimly lit area
- Auto Power Off conserves battery life
- CAT III 600V Safety Rating
Extech EX650 Specifications:
| Model | Range (Max Resolution) |
| AC Current | 6A, 60A, 600A (0.001A) |
| Basic accuracy | ACA: ±2.5% of rdg |
| AC/DC µA Current | 600µA (0.1µA) |
| DC Voltage | 1000V (0.1mV) |
| AC Voltage | 750V (1mV) |
| Basic accuracy | ACV: ±1.2% of rdg DCV: ±0.8% of rdg |
| Non-Contact Voltage (NCV) | 100 to 1000V |
| Resistance | 60MΩ (0.1Ω) |
| Capacitance | 60mF (0.01nF) |
| Continuity/Diode Test | Yes |
| Dimensions | 228 x 77 x 41mm |
| Weight | 265g |
