The AMPTEC 720A Micro-Ohmmeter is an affordable 7 range, 4-Wire Kelvin based product that is used to test electrical resistance on a wide variety of applications including winding resistance, contact resistance, and component testing. The 720A micro-ohmmeter has an autorange feature (available with NSN package) and is compatible with an RS232C interface (OP-232). Thanks to the Amptec 720A’s wide-range capabilities, reliability, and ease of use this micro-ohmmeter is used commonly across the globe. It is available in both battery powered or AC powered versions.
| Specifications |
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720A Micro-Ohmmeter
7 Range Digital Micro-Ohmmeter
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| Feature | Parameter |
| Display | 4 1/2 digit LED |
| Terminal | 4-wire Kelvin |
| Overload | Flashes |
| Update | 3/sec. |
| Temperature Coefficient | ± .002% per 1° C |
| Operating Temperature Range | 0° to 50° C |
| Dimensions | 9″ x 10″ x 3″ |
| Weight | 4 lbs. |
| Power | 90-240 VAC 50-60 Hz |
| Max Input Voltage | 264 VDC |
| Open Circuit | ~15 VDC |
| Max Test Current | 100 mA |
| Specifications |
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720A Micro-Ohmmeter
7 Range Digital Micro-Ohmmeter
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| Model Overview |
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| Model Package | Description |
| 720A-NSN | Includes:
720A micro-ohmmeter
(OP-232) RS232C interface
Autorange feature
(OP-110) lead pouch
(OP-300) leads
(OP-403) probes
U.S. N.I.S.T Calibration Certificate.
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| Commercial Package | Includes:
720A micro-ohmmeter
(OP-110) lead pouch
(OP-300) leads
(OP-403) probes
U.S. N.I.S.T Calibration Certificate.
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