CEM DT-6505F Insulation Tester


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CEM DT-6505F Insulation Tester

The CEM DT-6505F insulation tester is an enhanced model tailored for comprehensive insulation resistance testing in electrical systems. This model is built to assess the integrity of insulation in wires, cables, transformers, and electrical panels, helping to prevent electrical failures and ensure safety.

Like the standard DT-6505, the DT-6505F likely supports a range of testing voltages, possibly including higher or more precise voltage settings to accommodate specific industry requirements. It could offer advanced features such as a more extensive data storage capacity, Bluetooth connectivity for wireless data transfer, or a more rugged design for field use.

CEM DT-6505F Key Features

  • Rugged, utility hard case
  • Auto power off to save battery power
  • True-RMS
  • Data logged
  • Low pass fi lter for accurate measurement of variable frequency drive (VFD) signals
  • CAT III 1000V, CAT IV 600V measurement category
  • Bluetooth interface
  • Save both time and money with Automatic calculation of Polarization Index and Dielectric Absorption Ratio
  • Slim probes designed with test button
  • 200 mA Continuity & Low Ohm range measurement
  • Compare function (pass/fail) for fast repeatitive tests
  • Insulation test voltages 125V, 250V, 500V, 1000V
  • Insulation test: 0.001MΩ to 5000MΩ
  • Auto discharge of voltage test signal
  • Insulation test smoothing reading
  • K-type thermocouple
  • AC 3000A Current test

CEM DT-6505F Specifications

MultimeterMax RangeMax ResolutionBasic Accuracy
DC Voltage1000V0.1V±(0.1% + 4)**
AC Voltage1000V0.1V±(1.0% + 5)**
Low Z AC Voltage600V1mV±(3.0% + 40)
AC+DC Voltage1000V0.1V±(3.0% + 40)
DC Current10A0.001A±(1.0% + 3)**
AC Current10A0.001A±(1.5% + 3)**
AC 3000A Current3000A0.01A±(3.0% + 3)*
Resistance50MΩ0.01Ω±(1.0% + 4)**
Capacitance5000µF0.1µF±(3.5% + 10)**
Frequency50MHz0.001MHz±(0.1% + 1)**
Duty Cycle0.1 to 99.90%0.01%±(1.0% + 2)**
Temperature-50 to 1200°C

-58 to 2192°F



±(1.0% + 2.5°C)

±(1.0% + 4.5°F)

Insulation Tester
Terminal VoltageRangeMax ResolutionAccuracyTest Current
125V(0% ~10%)0.125~5000MΩ0.001MΩ±(2%+10)1mA @load125kΩ**
250V(0% ~10%)0.250~5000MΩ0.001MΩ±(2%+10)1mA @load250kΩ**
500V(0% ~10%)0.500~5000MΩ0.001MΩ±(2%+10)1mA @load1500kΩ**
1000V(0% ~0%)1.000~5000MΩ0.001MΩ±(2%+10)1mA


Low Ohm Meter
RangeResolutionAccuracyMax. open Circuit Voltage
Resistance0.000~5.000Ω0.001Ω±(1.5% + 30)5 ±1V**
5.00~50.00Ω0.01Ω±(1.5% + 3)5 ±1V**
50.0 ~500.0Ω0.1Ω±(1.5% + 3)5 ±1V**
500 ~2000Ω±(1.5% + 5)5 ±1V**
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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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