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October 24, 2016
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620MC | Wide Range Digital Failsafe Ohmmeter

The AMPTEC 620MC failsafe ohmmeter was specifically designed for ultra-safe testing on squibs, flares, bridge-wire, and other explosive devices. The 620MC meets wide-range resistance requirements and offers a fail-safe current limiting resistor network circuitry to ensure test currents cannot exceed 8 mA. 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.


SKU: 620MC Categories: ,
Specifications

 

Range 20 Ω 200 Ω 2 KΩ 200 KΩ 20 MΩ
Nominal Current 5 mA 0.5 uA 50 uA 0.5 uA 0.010 uA
Failsafe Current 8 mA 1.5 uA 150 uA 1.5 uA 0.015 uA
Resolution 1 mΩ 10 mΩ 100 mΩ 10 Ω 1 KΩ
Accuracy ± .02% of reading & range ± .02% of reading & range ± .02% of reading & range ± .05% of reading & range ± 2% of reading; ± 0.2% of range
Display 4 1/2 digit LED Terminals 4-wire Kelvin
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 4.8 VDC
Update 3 readings/second Temperature Coefficient ± .002% per 1° C
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