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720a 7 Range Micro Ohmmeter
720A microohmeter micro ohmeter amptec

720A Micro-Ohmmeter | 7 Range Digital Micro-Ohmmeter

The AMPTEC 720A Micro-Ohmmeter is an affordable 7 range, 4-Wire Kelvin based product that is used to test electrical resistance on a wide variety of applications including winding resistance, contact resistance, and component testing. The 720A micro-ohmmeter has an autorange feature (available with NSN package) and is compatible with an RS232C interface (OP-232). Thanks to the Amptec 720A’s wide-range capabilities, reliability, and ease of use this micro-ohmmeter is used commonly across the globe. It is available in both battery powered or AC powered versions.

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Description

Range 200 mΩ 2 Ω 20 Ω 200 Ω 2K Ω 20K Ω 200K Ω
Nominal Current 100 mA 100 mA 10 mA 1 mA 100 uA 10 uA 1 uA
Resolution 10 uΩ 100 uΩ 1 mΩ 10 mΩ 100 mΩ 1 Ω 10 Ω
Accuracy ± .02% of reading & ± .05% of range ± .02% of reading & ± .03% of range ± .02% of reading & ± .03% of range ± .02% of reading & ± .03% of range ± .02% of reading & ± .03% of range ± .02% of reading & ± .03% of range ± .02% of reading & ± .03% of range
Display 4 1/2 digit LED Terminal 4-wire Kelvin
Overload Flashes Update 3/sec.
Temperature Coefficient ± .002% per 1° C Operating Temperature Range 0° to 50° C
Dimensions 9″ x 10″ x 3″ Weight 4 lbs.
Power 90-240 VAC 50-60 Hz Max Input Voltage 264 VDC
Open Circuit ~15 VDC Max Test Current 100 mA

Additional information

Weight 12 lbs
Features

Mil Std 810-511 Explosive Atmospheres Compliant, NASA Range Safety Approved, NSN, Safety Lockout Keylock Switch
Wide Dynamic Range

Widest Dynamic Range Capability (20Ω – 2.0MΩ)
USAF Approved

USAF Non-nuclear Munition Safety Board Approved for all Ordnance

Related products

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  • Specifications
  • Ordering Information
  • Downloads
Range 200 mΩ 2 Ω 20 Ω 200 Ω 2K Ω 20K Ω 200K Ω
Nominal Current 100 mA 100 mA 10 mA 1 mA 100 uA 10 uA 1 uA
Resolution 10 uΩ 100 uΩ 1 mΩ 10 mΩ 100 mΩ 1 Ω 10 Ω
Accuracy ± .02% of reading & ± .05% of range ± .02% of reading & ± .03% of range ± .02% of reading & ± .03% of range ± .02% of reading & ± .03% of range ± .02% of reading & ± .03% of range ± .02% of reading & ± .03% of range ± .02% of reading & ± .03% of range
Display 4 1/2 digit LED Terminal 4-wire Kelvin
Overload Flashes Update 3/sec.
Temperature Coefficient ± .002% per 1° C Operating Temperature Range 0° to 50° C
Dimensions 9″ x 10″ x 3″ Weight 4 lbs.
Power 90-240 VAC 50-60 Hz Max Input Voltage 264 VDC
Open Circuit ~15 VDC Max Test Current 100 mA

Pricing Request

    Downloads

    Data Sheet Manual