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630ES | Ruggedized Mid Range Digital Failsafe Ohmmeter
The AMPTEC 630ES was designed for military ordnance programs as a ruggedized Igniter Tester, containing the same internal circuitry as its predecessor, the 620ES. With multiple safety approvals, a durable/waterproof yet compact case, self-contained DC milliammeter and test resistors, and a shielded Faraday cage design, the 630ES is among the safest and most self-aware products of its kind.
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|Range||2 Ω||20 Ω||200 Ω||200K Ω|
|Nominal Current||5 mA||5 mA||50 uA||.5 uA|
|Failsafe Current||8 mA||8 mA||1.5 mA||15 uA|
|Resolution||100 uΩ||1 mΩ||10 mΩ||10 Ω|
|Accuracy||± .02% of reading & ± .05% of range||± .02% of reading & ± .02% of range||± .02% of reading & ± .02% of range||± .02% of reading & ± .02% of range|
|Display||4 1/2 digit LED||Terminal||4-wire Kelvin|
|Temperature Coefficient||± .002% per 1°C||Operating Temperature Range||0° to 50° C|
|Dimensions||11.5″ x 13.5″ x 6″||Weight||12 lbs.|
|Power||4 ea rechargeable 5AH NICAD batteries||Max. Input Voltage||250 VDC|
|Open Circuit||1.6 VDC||Max Failsafe Current||8 mA|