CEM DT-6650 Multifunction Installation Tester

The CEM DT-6650 Multifunction Installation Tester is an advanced tool designed for comprehensive testing and verification of electrical installations in residential, commercial, and industrial environments. This robust device provides a suite of essential testing functions, ensuring installations comply with regulatory standards for safety and efficiency.

Key features of the CEM DT-6650 include its ability to measure insulation resistance, loop impedance, RCD (Residual Current Device) testing, and earth resistance. These capabilities are critical for ensuring that electrical systems are installed correctly and are safe to use. Additionally, the device can perform line voltage measurements and phase sequence testing, which are vital for verifying the correct operation of three-phase systems.

The tester is designed for ease of use, with a user-friendly interface and a clear display that guides technicians through each test procedure. Its rugged design makes it suitable for use in challenging field conditions, and it comes equipped with a protective case that guards against impacts and the elements.

Safety is a key focus of the CEM DT-6650, featuring built-in safety precautions that protect both the user and the equipment under test. It meets international safety standards, including IEC 61010, and is rated for CAT III 600V environments, ensuring reliable performance in diverse settings.

The versatility of the CEM DT-6650 makes it an invaluable tool for electrical professionals. Whether for routine maintenance checks, troubleshooting, or new installations, this multifunction tester delivers reliable data that helps maintain electrical safety and functionality across various types of electrical systems. Its portability and comprehensive testing capabilities make it an essential instrument for any electrical technician’s toolkit.

CEM DT-6650 Multifunction Installation Tester Specifications:

Insulation
Terminal Voltage	Range	Max Resolution	Accuracy	Test Current	Short circuit current
125V (0% ~ +10)	0.125~4000MΩ	0.001MΩ	±(2%+10)	1mA@load 125kΩ	≤1mA
250V (0% ~ +10)	0.250~4000MΩ	0.001MΩ	±(2%+10)	1mA@load 250kΩ	≤1mA
500V (0% ~ +10)	0.500~4000MΩ	0.001MΩ	±(2%+10)	1mA@load 500kΩ	≤1mA
1000V (0% ~ +10)	1.000~4000MΩ	0.001MΩ	±(3%+10)	1mA@load 1MΩ	≤1mA
Low OHM
Range	Resolution	Accuracy		Max. open Circuit Voltage	Overload Protection
4.000Ω	0.001Ω	±(1.5%+30)		5.8V	250Vrms
40.00Ω	0.01Ω	±(1.5%+3)
400.0Ω	0.1Ω
Continuity Beeper
Range	Resolution	Operation Resistance		Max. open Circuit Voltage	Overload Protection
Continuity	0.01Ω	Resistance≤35Ω		5.0V±1VDC	250Vrms
Short circuit current		≥200mA
LOOP Resistance
L-PE (Hi-Amp)
Range (Ω)		Max. Resolution (Ω)			Accuracy
0.00~999		0.01			±(4% of reading+6 digits)
L-PE(No Trip): Measuring Current:15mA / Range of the Voltage Used: 195V a.c.~260V a.c.(56,60Hz)
Range (Ω)		Resolution (Ω)			Accuracy
0.00~999		0.01			±(5% of reading+6 digits)
L-N: Measuring Current:2.0A / Range of the Voltage Used:195V a.c.~260V a.c.(56,60Hz)
Range (Ω)		Max. Resolution (Ω)			Accuracy
0.00~999		0.01			±(4% of reading+4 digits)
RCD Testing
Test current				Accuracy
x1/2, x1, x2, x5				1.5%~ -9%
Voltage and Frequency
Measurement Range (V)/ AC-DC		Resolution			Accuracy
80-500V/(45-400Hz)		1V			±(2% of reading+2 digits)

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Brand

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CEM Corporation Overview

Name: CEM DT-6650 Multifunction Installation Tester - mme-ae
Brand: Cem
SKU: 81865

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.