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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.
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 | -20° to 70° C |
| Dimensions | 9″ x 10″ x 3″ | Weight | 4 lbs. |
| Power | 90-240 VAC 50-60 Hz | Max Input Voltage | 264 VDC |
| Open Circuit | 1.6 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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