Extech EX655/EX650 User ManualExtech EX655 Features:
- EX655 True RMS 600A AC/DC Clamp Meter + NCV
- 12 Functions including AC/DC Current
- CAT III 600V Safety Rating
- Frequency and Type K Temperature
- Low Pass Filter (LPF) for accurate measurement of variable frequency drive signals
- Inrush mode captures current surges during motor startup
- DC ZERO mode
- LCD trending bargraph
- Complete with test leads, general purpose bead wire Temperature probe 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
| Model | EX655 Range (Max Resolution) |
| AC Current | 60A, 600A (0.01A) |
| DC Current | 60A ,600A (0.01A) |
| Basic accuracy | ACA: ±2.5% of rdg DCA: ±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) |
| Frequency | 10Hz to 1MHz (0.01Hz) |
| Temperature | -40 to 1000°C (1°C) |
| Continuity/Diode Test | Yes |
| Dimensions | 228 x 77 x 41mm |
| Weight | 265g |
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