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Home / Instek / INSTEK GOM-804 Digital Milliohmmeter
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INSTEK GOM-805 Digital Micro-Ohmmeter

INSTEK GOM-804 Digital Milliohmmeter

$545.00 $485.00

INSTEK GOM-804 Digital Milliohmmeter

INSTEK GOM-804 Digital MilliohmmeterINSTEK GOM-804 Digital Micro-Ohmmeter features 50,000 counts, 1μΩ Resolution, accuracy 0.05%, USB device, RS-232C, Handler/Scan/EXT I/O standard and GPIB optional.

 

 

 

SKU: Instek-GOM-804 Category: Instek Tags: A-INSTEK GOM-804 Digital Milliohmmeter, accuracy 0.05%, Fifty Thousand (50000) Count, GPIB optional, Handler/Scan/EXT I/O. GPIB optional, Resolution 1μΩ, RS-232C, USB device
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Product Description

INSTEK GOM-804 Digital Milliohmmeter

INSTEK GOM-804 Digital Milliohmmeter Features 50,000 Count, 1μΩ

INSTEK GOM-804 Digital Milliohmmeter INSTEK GOM-804 Digital Milliohmmeter abundantly feature 3.5-inch TFT display, maximum 50,000 counts measurement display, the rapid sampling rate of 60 readings per second, optimum 0.05% measurement precision, four wire measurement method as well as the temperature measurement and temperature compensation measurement function to meet the requirement of low resistance measurement application. The INSTEK GOM-804 Digital Milliohmmeter’s companion Ohmmeter, GOM-805 also includes various drive modes and Dry circuit for contact resistance measurement applications. More features, including 20 sets of panel setting memory and many external control interface such as RS-232C, USB, Handler/Scan/EXT IO or GPIB (option), greatly elevate GOM-805 Micro-Ohmmeter’s convenience on practical applications.

INSTEK GOM-804 Digital Milliohmmeter Features:

  • 50,000 counts, 1μΩ Resolution
  • 3.5” (320 x 240) TFT LCD display
  • High accuracy of 0.05% precision
  • 1Amp test current, 1μΩ resolution
  • Fast measurement of 60 readings per second;
  • Slow measurement of 10 readings/sec
  • Four wire resistance measurement
  • Temperature compensation measurement function
  • Delayed measurement
  • 20 sets of panel setting memory
  • Interface: USB device, RS-232C, Handler/Scan/EXT I/O
  • GPIB (optional)

Contact Resistance Basics

INSTEK GOM-804 Digital Milliohmmeter’s companion Ohmmeter INSTEK GOM-805 additionally features Dry Contract Resistance measurements with 20mV Open Circuit Voltage and a DC+/DC- Pulsed PWM mode to prevent DUT item self heating during tests.

INSTEK GOM-804 Digital Milliohmmeter Incorporates Standard Interfaces for Control and Communications

With respect to connecting the external control, the GOM-805 provides a INSTEK GOM-805 Digital Micro-OhmmeterD-sub 25-pin composite interface to execute, according to the functionalities, Handler, Scan or EXT IO for connecting to a sorting machine. RS-232C, USB, and GPIB GOM-805(standard) interface for remote control and measurement result retrieval. The commands of the GOM-805 are directly compatible with the GOM-802 that allows a technician to switch equipment with simple settings. There is no cost in integrating existing programs and production delay will not be happening while switching from the GOM-802 to the GOM-805.

INSTEK GOM-804 Digital Micro-Ohmmeter Provides Automatic Temperature Compensation

A common application for the Temperature Compensation feature of the INSTEK GOM-804 is to determine temperature rise of motors and transformers (DUTs) due to self-heating attributed to power dissipation in the windings. In most instances it is impractical to embed a temperature sensor in the DUT. Ambient temperature variations can have drastic effect on the resistivity of conductors such as Aluminum and Copper. Copper and aluminum exhibit ~ 0.4% (~4000ppm/°C) change in resistance for a 1°C change in ambient temperature. When in the Temperature Compensation mode, the INSTEK GOM-804 in conjunction with the optional PT-100 temperature sensor, automatically senses the ambient temperature and references the resistance value of the test article equivalent to being in a 20°C controlled environment. A 10°C change in ambient temperature results in ~ 4% change in the resistance of a DUT. Without this Temperature Compensation feature, a micro-ohmmeter with 0.02% accurate may be making a 5-10% resistance measurement error when measuring copper or aluminum (i.e., transformer wire) material.

Instek_GOM-804_Datasheet

Instek_GOM-805-804_User_Manual_20150612

Instek Model Description List Price Sales Price e-Quote for
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INSTEK GOM-804 Instek GOM-804 Milli-Ohm meter with Handler / RS-232C / USB Device $545.00 $485.00 e-QUOTE
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INSTEK GOM-804 Instek GOM-804GP Milli-Ohm meter with Handler / RS-232C / USB Device / GPIB $727.00 $647.00 e-QUOTE
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INSTEK GOM-805 Instek GOM-805 Micro-Ohmmeter ~ Milli-Ohm meter with Handler/Dry Contact Resistance / RS-232C / USB Device / GPIB $900.00 $799.00 e-QUOTE
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INSTEK GTL-304 Lead Set Instek GTL-304 4-Wire Type Test Lead for GOM-804/805 $80.00 e-QUOTE
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INSTEK GTL-488 Instek GTL-488 GPIB 2ft. Cable $140.00 e-QUOTE
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INSTEK PT-100 Instek PT-100 Temperature Sensor for GOM-804/805 $120.00 e-QUOTE
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Instek GOM-801H DC Milli-Ohmmeter 1999 Count 20mOhm to 20KOhm $374.00 $340.00 e-QUOTE
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Instek GOM-802 DC Milli-Ohmmeter 30000 Count 30mOhm to 3Mohm $561.00 $510.00 e-QUOTE
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Instek GOM-802GP DC Milli-Ohmmeter 30000 Count 30mOhm to 3Mohm RS232 + GPIB $946.00 $851.00 e-QUOTE
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