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620UK-V4 | 4-Wire Intrinsically Safe Explosive Safety Ohmmeter

The AMPTEC 620UK-V4 Ohmmeter is the 4-Wire version of our 620UK meter. It is a portable EEX digital igniter tester designed for ultra-safe resistance testing on squibs, flares, bridge-wire, and other explosive devices. The 620UK-V4’s failsafe design allows it to comply with the EU ATEX Directive, the Intrinsic Safety Standard EEX-9B-IIC-T4, and USA MIL. STD. 810F, as well as many other international defense standards.

Description

 

Range 2 Ω 20 Ω 200 Ω 2K Ω 20K Ω 200K Ω 2M Ω
Nominal Current 5 mA 5 mA .5 mA 50 uA 5 uA .05 uA 50 nA
Failsafe Current 8 mA 8 mA 1.5 mA 150 uA 15 uA 1.5 uA 150 nA
Resolution 100 uΩ 1 mΩ 10 mΩ 100 mΩ 1 Ω 10 Ω 100 Ω
Accuracy ± .02% of reading & ± .05% of range ± .02% of reading & range ± .02% of reading & range ± .02% of reading & range ± .02% of reading & range ± .05% of reading & range ± 1% of reading & ± .2% of range
Display 4 1/2 digit LED Terminals Amphenol 4-wire Kelvin
Temperature Coefficient ± .002% per 1° C Update 3/sec.
Accurate Temperature Range 25° ± 10° C Operating Temperature Range -20° to 40° C
Dimensions 7″ x 8″ x 3″ Weight 8 lbs.
Power 1.5V alkaline Max. Input Voltage 250 VDC
Open Circuit <1.4 VDC Max. Failsafe Current 8 mA

Additional information

Weight 10 lbs
Model

Commercial, V4

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  • Specifications
  • Ordering Information
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Range 2 Ω 20 Ω 200 Ω 2K Ω 20K Ω 200K Ω 2M Ω
Nominal Current 5 mA 5 mA .5 mA 50 uA 5 uA .05 uA 50 nA
Failsafe Current 8 mA 8 mA 1.5 mA 150 uA 15 uA 1.5 uA 150 nA
Resolution 100 uΩ 1 mΩ 10 mΩ 100 mΩ 1 Ω 10 Ω 100 Ω
Accuracy ± .02% of reading & ± .05% of range ± .02% of reading & range ± .02% of reading & range ± .02% of reading & range ± .02% of reading & range ± .05% of reading & range ± 1% of reading & ± .2% of range
Display 4 1/2 digit LED Terminals Amphenol 4-wire Kelvin
Temperature Coefficient ± .002% per 1° C Update 3/sec.
Accurate Temperature Range 25° ± 10° C Operating Temperature Range -20° to 40° C
Dimensions 7″ x 8″ x 3″ Weight 8 lbs.
Power 1.5V alkaline Max. Input Voltage 250 VDC
Open Circuit <1.4 VDC Max. Failsafe Current 8 mA

Pricing Request

    Downloads

    Data Sheet Manual