Range | 20 Ω | 200 Ω | 2K Ω | 20K Ω |
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Nominal Current | 5 mA | .5 mA | 50 uA | 5 uA |
Failsafe Current | 8 mA | 1.5 mA | 150 uA | 15 uA |
Resolution | 1 mΩ | 10 mΩ | 100 mΩ | 1 Ω |
Accuracy | ± .02% of reading & range | ± .02% of reading & range | ± .02% of reading & range | ± .02% of reading & range |
Display | 4 1/2 digit LED | Terminal | Banana jack binding posts |
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Storage Temperature Range | -10° to 70° C | Operating Temperature Range | 0° to 50° C |
Dimensions | 9.75″ x 10″ x 3.25″ | Weight | 3 lbs. |
Power | 4 ea rechargeable 5AHr NICAD batteries | Max. Input Voltage | 250 VDC |
Open Circuit | 1.6 VDC | Max. Internal Voltage | 15 VDC |
Update | 3 readings/second | Temperature Coefficient | ± .002% per 1° C |
Package | Description | Price |
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NSN Package | Includes 620A-4 failsafe ohmmeter, (OP-100) transit case, (OP-290) leads, (620-DC) battery charger, (OP-430) connector adapter, & U.S. N.I.S.T Calibration Certificate. | Request a quote! |
Commercial Package | Includes 620A-4 failsafe ohmmeter, (OP-300) leads, (OP-401) probes, (OP-110) lead pouch, (620-DC) battery charger, & U.S. N.I.S.T Calibration Certificate. | Request a quote! |
Lead/Probe Sets | The 620A-4 ohmmeter is compatible with our 620 Series probe/lead sets and accessories. This product is also customize-able: it can be rack mounted, contain an RS232C interface, or use an optically isolated power source, for example. Contact us for more information. |
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