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Megohmmeters
Electri-Temp is committed to continually providing our customers with the right tools for their applications. Megohmmeters supplied by Electri-Temp are the perfect tool to accurately measure and test the breakdown strength of electrical insulation.
Different than milliohmmeters and microhmmeters, megohmmeters measure high resistance in megohms. In addition, megohmmeters provided by Electri-Temp. are capable of analyzing and reporting DC output voltage, DC output current, breakage rate and resistance range.
Megohmmeters manufactured by our partners offer an accurate and dependable method of resistance measurement for safety and efficiency in wires, cables, transformers, electric appliances, electric motors, cable reels and a wide variety of other electrical components. For example, megohmmeters are often used in automotive and aircraft industries in order to measure the insulation resistance of components such as fuel pumps to ensure that manufacturer specifications and safety standards are met.
Among our range of megohmmeters customers can find both portable insulation testers and benchtop units. Some units are capable of testing under high voltages such as 70kV DC, while others have specific features for cable manufactures such as MΩ/km. When operating megohmmeters provided by Electri-Temp. and our manufacturing partners you will not only find that quality and accuracy can be expected, but that we offer units with the features that you need for your applications. Our incredible working relationship with our manufacturing partners and customers has helped us pinpoint what our customers need. It’s our goal to continue doing business this way.

Leader in the field of safety testers and cable testers ...
A MEGOHMMETER IS A HIGH RESISTANCE METER DEDICATED TO MEASURE AN OHMIC VALUE UNDER A DIRECT VOLTAGE OF GREAT STABILITY
To measure a high value resistance, techniques for measuring a low value current are used. A constant voltage source (DC Voltage) is applied to the resistance to be measured and the resulting current is read on a highly sensitive ammeter circuit that can display the resistance value (in MΩ, GΩ, TΩ). A Megohmmeter is also called a high resistance tester, a teraohmmeter, or a megger.
Megohmmeter
Selector Guide |
Resistance Range |
DC Voltage |
Accuracy |
Picoammeter |
Interface |
Portative |
Software |

SE6541 |
2kΩ - 2TΩ
| 50,100,250,500,1000 |
5% |
No |
No |
Yes |
No |

SE6543 |
2kΩ - 2TΩ |
50,100,250,500,1000 |
5% |
No |
RS232 |
Yes |
No |

SE6545 |
30kΩ - 10TΩ |
500,1000,2500,5000 |
5% |
No |
No |
Yes |
No |

SE6547 |
30kΩ - 10TΩ |
500,1000,2500,5000 |
5% |
No |
RS232 |
Yes |
No |

MMG500 |
50kΩ - 200GΩ
2TΩ option |
50,100,250,500 |
1,5% |
No |
GPIB, PLC,
RS232, analog
options |
No |
SMG Pro |

M1501P |
100Ω - 2000TΩ |
1-1500 (1V steps)
option up to
70 kV DC |
0,2% |
0,01pA-20mA |
GPIB incl.
RS232, PLC,
analog options |
No |
No |

M1501M
|
1kΩ - 2000TΩ |
1-1500 (1V steps)
option up to
70 kV DC |
0,2% |
0,01pA-20mA |
RS232
in option |
No |
No |

M1501U |
5kΩ - 20TΩ |
10-1500 (10V steps) |
0,2% |
50pA-3mA |
No |
No |
No |
Megohmmeter SE6541
Reference: SE6541
Product description: Your solution for portable insulation tester up to 1 kV
Product details:
• Insulation measurement
• AC/DC voltage measurement
• continuity measurement
• capacitance measurement
• giant back-lit LCD screen with digital display + bar graph
• automatic calculation of insulation quality ratios (DAR,PI)
• graph plotting R(t)
• memory / rechargeable battery
Its main applications are dedicated for the following markets: industry and manufacturer maintenance service, public markets, electrical fitters, control and maintenance companies,... |
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Megohmmeter SE6543
Reference: SE6543
Product description: Your solution for portable insulation tester up to 1 kV
Product details:
• Insulation measurement
• AC/DC voltage measurement
• continuity measurement
• capacitance measurement
• giant back-lit LCD screen with digital display + bar graph
• automatic calculation of insulation quality ratios (DAR,PI)
• graph plotting R(t)
• memory / RS232 / rechargeable battery
Its main applications are dedicated for the following markets: industry and manufacturer maintenance service, public markets, electrical fitters, control and maintenance companies,... |
back to top | Email Electri-Temp. Corporation
Megohmmeter SE6545
Reference: SE6545
Product description: Your solution for portable insulation tester equipment up to 5 kV
Product details:
• Insulation measurement
• residual current measurement
• capacitance measurement
• giant back-lit LCD screen with digital display + bar graph
• automatic calculation of insulation quality ratios (DAR,PI) and dielectric discharge
• graph plotting R(t)
• 4 predetermined voltages: 500, 1000, 2500 and 5000 V
• programmable test voltage position: 40 to 5100 V in 10 V or 100 V steps
• memory / rechargeable battery
Its main applications are dedicated for the following markets: industry and manufacturer maintenance service, public markets, electrical fitters, control and maintenance companies,... |
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Megohmmeter SE6547
Reference: SE6547
Product description: Your solution for portable insulation tester up to 5 kV
Product details:
• Insulation measurement
• residual current measurement
• capacitance measurement
• giant back-lit LCD screen with digital display + bar graph
• automatic calculation of insulation quality ratios (DAR,PI)and dielectric discharge
• graph plotting R(t)
• 4 predetermined voltages : 500, 1000, 2500 and 5000 V
• programmable test voltage position : 40 to 5100 V in 10 V or 100 V steps
• memory / RS232 / rechargeable battery
Its main applications are dedicated for the following markets: industry and manufacturer maintenance service, public markets, electrical fitters, control and maintenance companies,... |
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Megohmmeter MMG500
Reference: MMG500
Product description: For cable manufacturers, an interesting feature on our Insulation Tester is the Mohm/km measurement which displays the resistance per kilometer.
Product details:
• Insulation measurement
• RS232 or IEEE488-2 multi-lingual software
• resistance measurement per km for cable testing
• easy to use interface
• dedicated for laboratory and production lines
• complies with the following safety testing standards : EN61010-1, EN60065, EN60335-1, EN60598-1, EN60601-1, EN60950, CEI990, and many other standards |
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Megohmmeter M1501P
Reference: M1501P
Product description: Analog or digital solutions, this Insulation Tester is our hi-tech range for cable manufacturers and industry.
Product details:
• insulation and ammeter measurement
• temperature and humidity measurement (option)
• resistance measurement per km for cable testing
• Measurement storage - up to 512 measurements can be stored into internal memory (option)
• reversible polarity
• dedicated for laboratory, cable tester manufacturers,...
• SIR (Surface Insulation Resistance) test can be done through ISOSCAN software coupled with a switching matrix
• IEEE488-2 model |
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Megohmmeter M1501M
Reference: M1501M
Product description: Our digital Insulation Tester is our hi-tech range for cable manufacturers and industry.
Product details:
• insulation and ammeter measurement
• temperature and humidity measurement (option)
• resistance measurement per km for measuring cables on reel
• Measurement storage - up to 512 measurements can be stored into internal memory (option)
• reversible polarity
• dedicated for laboratory, cable tester manufacturers,...
• SIR (Surface Insulation Resistance) test can be done through ISOSCAN software coupled with a switching matrix |
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Megohmmeter M1501U
Reference: M1501U
Product description: Our digital Insulation Tester is our hi-tech range for cable manufacturers and industry. This U version, is a derivated product from the M1500M, but much cheaper (with limited specs).
Product details:
• insulation and ammeter measurement
• temperature and humidity measurement (option)
• resistance measurement per km for measuring cables on reel
• reversible polarity
• dedicated for laboratory, cable tester manufacturers,...
• SIR (Surface Insulation Resistance) test can be done through ISOSCAN software coupled with a switching matrix |
back to top | Email Electri-Temp. Corporation |
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