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Ohmmeter, 4-Wire, 0.05ohm to 5Mohm, 1 µohm, 1 A, 0.05%, 102 mm


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Manufacturer Part No:
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Technical Datasheet:
GOM-804   Datasheet
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Product Information

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0.05ohm to 5Mohm









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Technical Docs (4)

CAD Downloads


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CAD Models and drawings are provided to you on a revocable limited licence for your internal use only but remain the property of the manufacturer who retain all intellectual property rights and ownership. They are provided to assist you in decision making and as design guide but are not guaranteed to be error free, accurate or up to date and is not intended to be taken as advice.
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Product Overview

The GOM-804 from GW Instek is a DC milli ohm meter with handler/ RS-232C/ USB device. This device has maximum 50000 counts measurement 3.5inch TFT display, rapid sampling rate of 60 readings per second, optimum 0.05% measurement precision, four wire measurement methods as well as the temperature measurement and temperature compensation measurement function to meet the requirement of low resistance measurement application. It also includes 20 sets of panel setting memory and many external control interfaces such as RS-232C, USB, handler/scan/EXT IO. The 3.5inch colour LCD to enhance the clarity of measurement results and to provide display for related setting criteria that tremendously brings up the completeness of test information.
  • Power source of AC 100V to 240V, 50Hz/60Hz
  • 1Amp test current, 1µohm resolution
  • Fast measurenment 60 readings per second
  • Temperature compensation measurement function
  • Delayed measurement
  • Dimension of 223mm x 102mm x 283mm (W x H x D)
  • Drive modes: DC+, Standby


Test & Measurement


GOM-804 meter, Quick start guide x 1, Power cord x 1, Test lead GTL-308 x 1, CD x 1 (complete user manual).


Do not place any heavy objects on the instrument. In addition, we offer calibration services for this product. Choose from a Standard Certificated Service or an internationally recognised UKAS accredited calibration. Visit our calibration service page for more details.


Connect the protective grounding conductor of the AC power cord to an earth ground to avoid electrical shock.
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