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620UK-B | Intrinsically Safe Electrical Bond Tester
August 27, 2015
720A Micro-Ohmmeter | 7 Range Digital Micro-Ohmmeter
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.
This item is not available for purchase through our website. Please contact us for more information.
Specifications
| Range | 200 mΩ | 2 Ω | 20 Ω | 200 Ω | 2K Ω | 20K Ω | 200K Ω |
|---|---|---|---|---|---|---|---|
| Nominal Current | 100 mA | 100 mA | 10 mA | 1 mA | 100 uA | 10 uA | 1 uA |
| Resolution | 10 uΩ | 100 uΩ | 1 mΩ | 10 mΩ | 100 mΩ | 1 Ω | 10 Ω |
| Accuracy | ± .02% of reading & ± .05% of range | ± .02% of reading & ± .03% of range | ± .02% of reading & ± .03% of range | ± .02% of reading & ± .03% of range | ± .02% of reading & ± .03% of range | ± .02% of reading & ± .03% of range | ± .02% of reading & ± .03% of range |
| 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 |
Ordering Information
For specific pricing information or to place an order for a 720A meter, please contact us today.
| Package | Description | Price |
|---|---|---|
| NSN Package | 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. | Request a quote! |
| Commercial Package | Includes 720A micro-ohmmeter, (OP-110) lead pouch, (OP-300) leads,(OP-403) probes, & U.S. N.I.S.T Calibration Certificate. | Request a quote! |
| Lead/Probe Sets | The 720A micro-ohmmeter is compatible with most 620 Series and all 720A Series probe/lead sets and accessories. Please note that not all of our accessories are listed online. |
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