CEM DT-903 Socket Polarity and Earth Leakage Tester

The CEM DT-903 Socket Polarity and Earth Leakage Tester is an essential tool designed for testing the safety and functionality of 3-wire 220V AC outlets and Earth Leakage Circuit Breakers (ELCB). This tester is particularly valuable for professionals in the electrical and construction industries, ensuring that installations meet required safety standards.

SKU:81732

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CEM DT-903 Socket Polarity and Earth Leakage Tester

The CEM DT-903 Socket Polarity and Earth Leakage Tester is an essential tool designed for testing the safety and functionality of 3-wire 220V AC outlets and Earth Leakage Circuit Breakers (ELCB). This tester is particularly valuable for professionals in the electrical and construction industries, ensuring that installations meet required safety standards.

Powered directly by the unit under test, the DT-903 does not require an external power source, which enhances its convenience and ease of use in various settings. It adheres to stringent safety standards, complying with IEC61010/EN61010 and IEC61557-7/EN61557-7, ensuring that it meets international regulatory requirements for testing devices.

The tester is rated for CATIII 600V, providing a high level of protection when dealing with electricity sources up to 600 volts, making it safe for checking residential and commercial electrical systems. It also features a Type of Protection rating of IP40, which guards against solid objects larger than 1mm, though it is not protected against water ingress.

Designed to operate in a range of environments, the DT-903 functions optimally within a temperature range of 0ºC to 40ºC. This allows for flexibility in various climates and conditions, ensuring reliable performance whether in a cool basement or a warm attic.

CEM DT-903 Socket Polarity and Earth Leakage Tester specifications

  •  Power supply:From unit under test
  • Electrical safety:IEC61010/EN61010; IEC61557-7/EN61557-7
  • Protection level:CATIII 600V
  • Type of protection:IP40
  • Operating temperature:0ºC to 40ºC
  • Size(HxWxD): 128mm x 68mm x 30mm
  • Weight: 185g
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Cem

CEM Corporation Overview

CEM Corporation, founded in 1978, is renowned for its pioneering contributions to scientific instrumentation with a focus on microwave-based technology for laboratory and research applications. The founders—Dr. Michael J. Collins (Chemist), Ronald Goetchius (Electrical Engineer), and Bill Cruse Jr. (Mechanical Engineer)—launched the company with a novel concept for microwave drying that significantly expedited moisture and solids analysis processes from hours down to minutes, which was a groundbreaking improvement at the time.

Product Innovation and Evolution

Over the years, CEM Corporation has expanded its product offerings beyond its original microwave moisture/solids analysis systems. Their portfolio now includes systems for:
  • Acid digestion for elemental analysis
  • Compositional testing of food products
  • Peptide and chemical synthesis
The company's dedication to innovation is reflected in their development of a diverse range of instruments suited for various applications from academic research to industrial quality control.
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