Extech Model MA640 Includes:
- Test leads
- Type K bead wire temperature probe (-22 to 572°F/-30 to 300°C)
- 9V battery
- Carrying case
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| Extech 600A True RMS AC/DC Clamp Meter + NCV |
| MA640 |
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$149.99 |
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| Extech 600A True RMS AC/DC Clamp Meter + NCV with NIST Certificate |
| MA640-NIST |
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$239.99 |
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Extech Model MA640 Features:
- Built-in non-contact Voltage detector with LED alert
- 1.5" (40mm) jaw size for conductors up to 500MCM
- 6000 count, backlit LCD display
- Multimeter functions include AC Current, AC/DC Voltage, Resistance, Capacitance, Frequency, Temperature, Duty Cycle, Diode, and Continuity
- MA640 model measures DC Current
- Relative Mode for Capacitance Zero and Offset Adjustment
- Data Hold and MIN/MAX
- Auto Power Off
NOTE: For an additional charge, Extech will supply your meter complete with a Certificate of Calibration Traceable to N.I.S.T. with Data.
| Specifications |
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| Display counts |
6000 |
| AC Current |
0.01A to 600.0A |
| DC Current |
0.01A to 600.0A |
| Basic Accuracy (ACA) |
2.8% |
| DC Voltage |
0.1mV to 600V |
| AC Voltage |
1mV to 600V |
| Resistance |
0.1Ω to 60.00MΩ |
| Frequency |
0.001Hz to 10.00kHz |
| Capacitance |
0.01nF to 4,000.0µF |
| Temperature |
-4 to 1400°F (-20 to 760°C) |
| Duty Cycle |
0.1 to 99.90% |
| Dimensions |
9.1 x 3 x 1.5" (232 x 77 x 39mm) |
| Weight |
0.6lbs (271g) |
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Extech Instruments Index 
