CEM DT-5500 Insulation Tester

The CEM DT-5500 Insulation Tester is a durable and accurate tool designed to assess the insulation integrity and continuity of electrical circuits, making it an essential device for electricians and maintenance professionals. This tester is specifically crafted to deliver reliable diagnostics in various electrical and electronic environments.

A notable feature of the CEM DT-5500 is its 1mA test current for the MegOhm range at the rated voltage. This functionality allows for the precise measurement of insulation resistance, which is crucial for evaluating the condition of electrical insulation. Accurate insulation testing is essential for preventing potential electrical hazards and ensuring that installations are compliant with safety regulations. The 1mA test current helps detect weak spots or degradation in insulation, thereby aiding in timely maintenance and repair actions.

Additionally, the CEM DT-5500 provides a robust 200mA short current specifically for its continuity testing range. This high test current is critical for ensuring that all connections and circuits are properly continuous without any interruptions. The 200mA current is strong enough to detect even minor discontinuities that might not be identified by testers with lower current capabilities. This feature makes the DT-5500 highly effective for routine safety checks and troubleshooting in complex electrical systems.

CEM DT-5500 Insulation Tester specifications

Specifications
Function	Range	Max Resolution	Basic accuracy
Voltage AC	750V	1V	±1.2%rdg ±10dgts
Voltage DC	1000V	1V	±0.8%rdg ±3dgts
Resistance	200Ω, 2000Ω	0.1Ω, 1Ω	±1%rdg ±2dgts
Insulation Resistance	200MΩ, 2000MΩ 20MΩ(5520 only)	100kΩ~1MΩ 10kΩ	±3.5%rdg ±5dgts ±3.5%rdg ±5dgts
Test Voltage	250V-200MΩ/500V-200MΩ/1000V-2000MΩ, (500V-20MΩ only 5520)
Continuity Test	Active Sound Level: ≤40Ω, Test current ≤200mA
Operating Temp	0ºC~40ºC (<80%R.H.)
Storage Temp	-10ºC~60ºC (<70%R.H.)
Power Source	1.5V “AA” size Battery x 6

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Brand

Cem

CEM Corporation Overview

Name: CEM DT-5500 Insulation Tester - mme-ae
Brand: Cem
SKU: 82861

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.