Micro Ohm Meter 10 Amps ( QRM-10 )

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Micro Ohm Meter 10 Amps ( QRM-10 ) Specification

Protection
Protection against back EMF for high inductive loads

Usage
Welding Joint, Breaker Contact, Transformer Winding, Rail Bond Test, Motor Winding, Busbar Testing

Power Supply
230V AC ,50 HZ

Accuracy
0.5 % %

Display Type
Digital Only

Range
0.1 To 1999.9 m

Micro Ohm Meter 10 Amps ( QRM-10 ) About

Resistance Range	0.1 To 1999.9 m
Test Current	10 A
Application	Welding Joint, Breaker Contact, Transformer Winding, Rail Bond Test, Motor Winding, Busbar Testing
Measurement Mode	4 Wire
Power Source	Mains
Accuracy	0.5 %
Interface	None
Data Logging	No
Display Type	LED
Brand	Quadrant Measurements Private Limited
Country of Origin	Made in India
Input Voltage	230 V
Power Supply	230 V
Voltage	50 V

A micro-ohm meter is used to measure extremely low electrical resistance, typically in the range of micro-ohms (1 millionth of an ohm).

Featuers:-

- True Four Terminal Measuring technique eliminates lead resistance natural errors in 2 wire measurments.
- Regulated and Highly stable 10 Amp Current Source.
- 4 Digital LED Display.
- 0.1uOhm resolu on on 2mOhm range.
- Stable and fast measurement.
- Protection against back EMF for high inductive loads.

This is useful in various applications, including: General Applications:

- Measuring the resistance of wires, cables, and conductors:Micro-ohm meters help determine the resistance of wires, cables, and other conductors, ensuring they meet required standards.
- Testing contact resistance of low-voltage switches and connectors:They ensure that connections are reliable by measuring contact resistance, which affects signal integrity.
- Measuring resistance of coils, motors, and transformer windings:They help diagnose issues in electrical equipment by measuring the resistance of coils and windings.
- Measuring low resistance of circuit boards and other components:They ensure the quality and functionality of electronic components by measuring their low resistance.
- Measuring bonding resistance:They ensure the integrity of bonding joints in structures, aircraft, and other applications.

Technical Specification:

- Range: 0.1 uOhm - 1999.9 Ohm.
- Accuracy: 0.05% of reading 5 Digit.
- Display: 4 Digit LED Display.
- Power Supply: 230V AC, 50Hz, 1 Phase.

Precise Low-Resistance Measurement

Engineered to offer outstanding accuracy of 0.5%, the Micro Ohm Meter (QRM-10) delivers dependable results in critical low-resistance testing environments. Whether checking welding joints or inspecting breaker contacts, its wide range suits a variety of industrial requirements, helping professionals guarantee safety and quality.

User-Friendly Digital Display

The QRM-10 features a clear digital-only display, allowing operators to easily and quickly read measurements without confusion. This ensures a straightforward user experience, improving efficiency and minimizing user errors in fast-paced or challenging working conditions.

Enhanced Safety and Protection

Designed for heavy-duty use, the meter incorporates advanced protection against back EMF, making it ideal for applications involving high inductive loads such as transformer windings and motor coils. This safeguard extends the unit's lifespan and ensures consistent, safe operation on the field.

FAQ's of Micro Ohm Meter 10 Amps ( QRM-10 ):

Q: How does the Micro Ohm Meter QRM-10 ensure measurement accuracy?

A: The QRM-10 provides measurement accuracy up to 0.5% by using advanced digital technology and high-quality circuit components, ensuring reliable and precise results even at very low resistance values.

Q: What applications is the QRM-10 suitable for?

A: This micro ohm meter is specifically designed for testing welding joints, breaker contacts, transformer windings, rail bonds, motor windings, and busbar connections in industrial environments.

Q: When should the Micro Ohm Meter be used in maintenance routines?

A: It should be used during scheduled inspections or when troubleshooting critical connections, especially where low resistance is crucial for performance and safety, such as in transformers and circuit breakers.

Q: Where can the QRM-10 be sourced from in India?

A: The QRM-10 is both manufactured and supplied in India, making it easily accessible through local industrial equipment distributors or directly from the manufacturer.

Q: What is the operating process for this meter?

A: Simply connect the QRM-10's leads to the test points, power it with 230V AC, and read the digital output. The built-in protection allows safe testing even on inductive loads without risk.

Q: How does the back EMF protection work in this device?

A: The unit is equipped with circuits that safely absorb or redirect back EMF generated by high inductive loads, preventing damage to the meter and increasing operator safety.

Q: What benefits does using the QRM-10 offer to industrial users?

A: Operators benefit from high-accuracy measurements, digital ease of use, robust safety features, and a wide application range, all contributing to improved operational safety, efficiency, and equipment reliability.

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