
620EXV | Ultra-Safe Portable Digital Voltmeter
October 16, 2015
620VL | Intrinsically Safe Igniter Tester with Diode Test Capability
October 20, 2015620MG | Digital Failsafe Ohmmeter with Diode Test Capability
The AMPTEC 620MG failsafe ohmmeter was specifically designed for ultra-safe testing on squibs, flares, bridge-wire, and other explosive devices. The 620MG meets a wide-range of resistance requirements, and comes standard with an (OP-232) RS232C interface, (OP-247) optically isolated power, an autorange feature, and a diode test capability. This product was derived from the USAF Non-Nuclear Munitions Safety Board approved AMPTEC 620A-4 meter – thus creating a product line that is the industry standard in igniter testing.
Please contact us to purchase.
Specifications
Range | 2 Ω | 20 Ω | 200 Ω | 2000 Ω | 20K Ω | 200K Ω | 2M Ω |
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Nominal Current | 5 mA | 5 mA | 500 uA | 50 uA | 5 uA | .5 uA | 0.5 uA |
Failsafe Current | 8 mA | 8 mA | 8 mA | 8 mA | 8 mA | 8 mA | 8 mA |
Resolution | 0.1 mΩ | 1 mΩ | 10 mΩ | .1 Ω | 1 Ω | 10 Ω | 100 Ω |
Accuracy | ± .02% of reading & range | ± .02% of reading & range | ± .02% of reading & range | ± .02% of reading & range | ± .02% of reading & range | ± .02% of reading & ± .05% of range | ± 1% of reading & ± .2% of range |
Display | 4 1/2 digit LED | Terminals | 4-wire Kelvin |
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Temperature Coefficient | ± .002% per 1° C | Update | 3/sec. |
Storage Temperature Range | -10° to 70° C | Operating Temperature Range | 0° to 50° C |
Dimensions | 9″ x 9″ x 3″ | Weight | 4 lbs. |
Power | Optically isolated continuous power | Max. Input Voltage | 250 VDC |
Open Circuit | 1.6 VDC | Max. Failsafe Current | 8 mA |
Ordering Information
Product | Description | Price |
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620MG | Includes 620MG failsafe ohmmeter, (OP-232) RS232C interface, (OP-247) optically isolated power, diode test capability, (OP-300) lead set, & U.S. N.I.S.T Calibration Certificate. | Request a quote! |
Lead/Probe Sets | The 620MG ohmmeter is compatible with our 620 Series probe/lead sets and accessories. |
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