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MMR200 Digital Micro Ohmmeter

Stellar Instruments MMR200 Digital Micro-Ohmmeter 200A

SKU : SIMMR200
MODEL : MMR200
WARRANTY : 1 Year
Stellar Instruments
AED 11,800.00 - AED 11,800.00
AED 11,800.00
AED 11,800.00 - AED 11,800.00
AED 11,800.00
(Including VAT)

Stellar Instruments MMR200 Digital Micro-Ohmmeter 200A

The Stellar Instruments MMR200 Digital Micro-Ohmmeter is a portable low-resistance tester designed for accurate measurement of very low resistance values in electrical systems. With a maximum output current of 200A and high resolution up to 0.01 µΩ, it is suitable for testing contact resistance in switchgear, circuit breakers, busbars, cables, connectors, and other high-current electrical joints.

The MMR200 uses a 4-wire measurement method to ensure reliable and precise results. Its rugged handheld design, large 5.6-inch industrial LCD display, rechargeable battery, and data storage function make it ideal for field testing, substations, power utilities, and industrial maintenance applications.

Features:

  • Maximum output current up to 200A
  • High measurement resolution up to 0.01 µΩ
  • 4-wire measurement method for accurate low-resistance testing
  • Large 5.6-inch industrial high-brightness color LCD display
  • Multiple test current options: ≤5A, 10A, 30A, 50A, 80A, 100A, 200A
  • Wide measurement range up to 350 mΩ
  • Fast and selectable measurement time options
  • Stores up to 999 sets of test data
  • Built-in 12.6V 9000mAh rechargeable lithium battery
  • Suitable for testing contact resistance of high-voltage switches and circuit breakers
  • Optional printer function for printing test results
  • Rugged portable design with carrying case and accessories
  • Open-circuit and overheating protection for safer field operation
  • Ideal for substations, electrical maintenance, utilities, and industrial testing applications

Product Name

Stellar Instruments MMR200 Digital Micro-Ohmmeter

Measurement Method

4-wire measurement

Display

5.6-inch industrial high-brightness color LCD

Test Interface

I+, I-, U+, U-

Output Current

≤5A, 10A, 30A, 50A, 80A, 100A, 200A

Step Current

2.5A

Measurement Range

≤5A: 1µΩ to 350mΩ

 

10A: 0.1µΩ to 200mΩ

 

30A: 0.1µΩ to 20mΩ

 

50A: 0.01µΩ to 15mΩ

 

80A: 0.01µΩ to 10mΩ

 

100A: 0.01µΩ to 5mΩ

 

200A: 0.01µΩ to 600µΩ

Accuracy

30A to 220A: 0.01µΩ to 20mΩ, ±0.5% + 1µΩ

 

5A to 10A: 0.1µΩ to 200mΩ, ±1% ±5dgt

 

≤5A: 1µΩ to 3.5Ω, ±1% ±5dgt

Measurement Time

≤100A: Fast mode recommended, 10s, 20s, 30s, 40s, 50s, 60s

Data Storage

Saves up to 999 sets of data

Charger

12.6V / 2A

Charging Voltage

12.6V

Battery

Built-in 12.6V 9000mAh rechargeable lithium battery

Printer

Optional printer, press print button to print test results

Test Leads

Standard length: 3m, 5m optional

Working Temperature

-10°C to 50°C

Working Humidity

Below 90% RH, no condensation

Dimension

312mm × 188mm × 85mm

Weight

0.9kg

Safety Standard

IEC61010-1, IEC61326-1, IEC61000-3-2, CAT III 600V, Pollution Level 2

MMR200-Datasheet : Download

1. What is the Stellar Instruments MMR200 used for?

The MMR200 is used to measure very low resistance values in electrical contacts, switchgear, circuit breakers, busbars, cables, connectors, and high-current joints.

2. What is the maximum test current of the MMR200?

The MMR200 supports a maximum output test current of 200A.

3. What measurement method does the MMR200 use?

It uses a 4-wire measurement method, which helps provide accurate low-resistance measurements by reducing lead resistance error.

4. What is the measurement resolution of the MMR200?

The MMR200 offers high resolution up to 0.01 µΩ, depending on the selected test current range.

5. Can the MMR200 store test results?

Yes, it can store up to 999 sets of test data, making it suitable for field testing and record keeping.

6. Where is the MMR200 commonly used?

It is commonly used in power utilities, substations, electrical maintenance, industrial plants, and testing applications for circuit breakers, switchgear, and busbar connections.

Stellar Instruments MMR200 Digital Micro-Ohmmeter 200A

The Stellar Instruments MMR200 Digital Micro-Ohmmeter is a portable low-resistance tester designed for accurate measurement of very low resistance values in electrical systems. With a maximum output current of 200A and high resolution up to 0.01 µΩ, it is suitable for testing contact resistance in switchgear, circuit breakers, busbars, cables, connectors, and other high-current electrical joints.

The MMR200 uses a 4-wire measurement method to ensure reliable and precise results. Its rugged handheld design, large 5.6-inch industrial LCD display, rechargeable battery, and data storage function make it ideal for field testing, substations, power utilities, and industrial maintenance applications.

Features:

  • Maximum output current up to 200A
  • High measurement resolution up to 0.01 µΩ
  • 4-wire measurement method for accurate low-resistance testing
  • Large 5.6-inch industrial high-brightness color LCD display
  • Multiple test current options: ≤5A, 10A, 30A, 50A, 80A, 100A, 200A
  • Wide measurement range up to 350 mΩ
  • Fast and selectable measurement time options
  • Stores up to 999 sets of test data
  • Built-in 12.6V 9000mAh rechargeable lithium battery
  • Suitable for testing contact resistance of high-voltage switches and circuit breakers
  • Optional printer function for printing test results
  • Rugged portable design with carrying case and accessories
  • Open-circuit and overheating protection for safer field operation
  • Ideal for substations, electrical maintenance, utilities, and industrial testing applications

Product Name

Stellar Instruments MMR200 Digital Micro-Ohmmeter

Measurement Method

4-wire measurement

Display

5.6-inch industrial high-brightness color LCD

Test Interface

I+, I-, U+, U-

Output Current

≤5A, 10A, 30A, 50A, 80A, 100A, 200A

Step Current

2.5A

Measurement Range

≤5A: 1µΩ to 350mΩ

 

10A: 0.1µΩ to 200mΩ

 

30A: 0.1µΩ to 20mΩ

 

50A: 0.01µΩ to 15mΩ

 

80A: 0.01µΩ to 10mΩ

 

100A: 0.01µΩ to 5mΩ

 

200A: 0.01µΩ to 600µΩ

Accuracy

30A to 220A: 0.01µΩ to 20mΩ, ±0.5% + 1µΩ

 

5A to 10A: 0.1µΩ to 200mΩ, ±1% ±5dgt

 

≤5A: 1µΩ to 3.5Ω, ±1% ±5dgt

Measurement Time

≤100A: Fast mode recommended, 10s, 20s, 30s, 40s, 50s, 60s

Data Storage

Saves up to 999 sets of data

Charger

12.6V / 2A

Charging Voltage

12.6V

Battery

Built-in 12.6V 9000mAh rechargeable lithium battery

Printer

Optional printer, press print button to print test results

Test Leads

Standard length: 3m, 5m optional

Working Temperature

-10°C to 50°C

Working Humidity

Below 90% RH, no condensation

Dimension

312mm × 188mm × 85mm

Weight

0.9kg

Safety Standard

IEC61010-1, IEC61326-1, IEC61000-3-2, CAT III 600V, Pollution Level 2

MMR200-Datasheet : Download

1. What is the Stellar Instruments MMR200 used for?

The MMR200 is used to measure very low resistance values in electrical contacts, switchgear, circuit breakers, busbars, cables, connectors, and high-current joints.

2. What is the maximum test current of the MMR200?

The MMR200 supports a maximum output test current of 200A.

3. What measurement method does the MMR200 use?

It uses a 4-wire measurement method, which helps provide accurate low-resistance measurements by reducing lead resistance error.

4. What is the measurement resolution of the MMR200?

The MMR200 offers high resolution up to 0.01 µΩ, depending on the selected test current range.

5. Can the MMR200 store test results?

Yes, it can store up to 999 sets of test data, making it suitable for field testing and record keeping.

6. Where is the MMR200 commonly used?

It is commonly used in power utilities, substations, electrical maintenance, industrial plants, and testing applications for circuit breakers, switchgear, and busbar connections.

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