The AMPTEC 641RS Igniter Tester was designed for military ordnance programs as a compact ruggedized product that can safely measure resistance on explosive devices. The 641N meter is an impressive 40% lighter and significantly more intelligent than its predecessor the 640 Series(thanks to the introduction of the self-test function). With multiple safety approvals, a durable/waterproof yet compact case, self-contained DC milliammeter and test resistors, a shielded Faraday cage design, and the new self-test feature, the 641RS is among the safest and smartest products of its kind.
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|Range||2 Ω||20 Ω||200 Ω||2 KΩ||20 KΩ||200 KΩ||2M Ω||20 MΩ|
|Nominal Current||5 mA||5 mA||1 mA||100 uA||10 uA||1 uA||0.1 uA||0.1 uA|
|Failsafe Current||8 mA||8 mA||1.5 mA||150 uA||15 uA||1.5 uA||0.15 uA||.015 uA|
|Resolution||0.1 mΩ||1 mΩ||10 mΩ||0.1 Ω||1 Ω||10 Ω||100 Ω||1 KΩ|
|Accuracy||± .05% of reading & range||± .02% of reading & range||± .02% of reading & range||± .02% of reading & range||± .02% of reading & range||± .05% of reading & range||± 1% of reading, ± 0.2% range||± 2% of reading, ± 0.2% range|
|Display||4 1/2 digit LED||Terminal||Trident|
|Temperature Coefficient||± .002% per 1°C||Operating Temperature Range||0° to 50° C|
|Dimensions||10.62″ x 9.68″ x 4.87″||Weight||6.5 lbs.|
|Power||4 ea rechargeable 5AH NICAD batteries||Max Input Voltage||250 VDC|
|Open Circuit||1.6 VDC||Max Failsafe Current||8 mA|