Description
The AMPTEC 620BA failsafe ohmmeter was specifically designed for ultra-safe testing on squibs, flares, bridge-wire, and other explosive devices. The 620BA meets mid-range resistance requirements and offers a fail-safe current limiting resistor network circuitry to insure 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.
Specifications
Range | 2 Ω | 20 Ω | 200K Ω | 20M Ω |
---|---|---|---|---|
Nominal Current | 5 mA | 5 mA | 0.5 uA | 0.05 uA |
Failsafe Current | 8 mA | 8 mA | 8 mA | 8 mA |
Resolution | 100 uΩ | 1 mΩ | 10 Ω | 1 KΩ |
Accuracy | ± .02% of reading & ± .05% of range | ± .02% of reading & range | ± .05% of reading & range | ± 2% of reading & ± 0.2% of range |
Display | 4 1/2 digit LED | Terminals | Banana jack binding posts |
---|---|---|---|
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 | ± 0.1 x accuracy per 1° C |
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