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Handheld Ohmmeter DLRO2

Handheld Ohmmeter DLRO2 Specification

Temperature
Operating: 0C to +50C, Storage: -20C to +70C

Measuring Range
0.1 m to 2000

Number of Specimens
Single measurement

Interface Type
Terminal posts with insulated touch-proof connectors

Humidity
Up to 80% RH (non-condensing)

Automation Grade
Manual

Test Range
0.1 m to 2000

Application
Low resistance measurement in utility, industrial and electrical maintenance environments

Mounting Type
Handheld

Response Time
< 3 seconds

Resolution
0.1 m

Features
Lightweight, rugged, auto-shutdown, easy to use

Display Type
Large backlit LCD

Power Supply
6 x AA (LR6) alkaline or NiMH batteries

Accuracy
0.2% of reading 2 digits

Usage
Field and laboratory

Machine Weight
1.2 kg (including batteries)

Control Mode
Manual

Lead Resistance Compensation
Automatic (True 4-terminal measurement)

Safety Feature
Test inhibit if hazardous voltage detected

Overvoltage Category
CAT III 300 V

Test Current
1 A or 0.1 A selectable

Battery Life
Up to 1000 manual tests or 200 automated tests

Dimensions
235 mm x 100 mm x 65 mm

Data Storage
Last test result retained

Protection Class
IP54

Compliance Standards
IEC 61010-1, CE Marked

Equipment Type
Handheld Ohmmeter

Handheld Ohmmeter DLRO2 Trade Information

Minimum Order Quantity
1 Piece

Payment Terms
Cash in Advance (CID)

Supply Ability
10 Pieces Per Month

Delivery Time
10 Days

Main Domestic Market
All India

About Handheld Ohmmeter DLRO2

The DLRO2 is a compact, entry-level digital micro-ohmmeter designed for precise measurement of low resistance in electrical equipment. Using a 4-wire Kelvin measurement method, it eliminates errors caused by lead resistance. Ideal for workshop and field applications, the DLRO2 is suitable for testing switchgear contacts, busbars, bonds, and cable joints up to 2A test current.

Key Features

Compact, lightweight, and portable
Measures micro-ohm to kilo-ohm resistance accurately
Simple, user-friendly operation
Ideal for electrical maintenance and testing small-scale connections
Battery-operated for field use

Applications

Bonding and earthing resistance checks
Low-current switchgear and panel testing
Cable joint resistance verification
Maintenance of industrial and commercial electrical systems

Advanced Low Resistance Measurement

The DLRO2 Handheld Ohmmeter excels in low-resistance measurement tasks with a selectable test current of 1 A or 0.1 A, ensuring accuracy down to 0.1 m. Its true 4-terminal measurement compensates for lead resistance automatically, making it highly reliable for critical applications in utility, industrial, and electrical environments.

Robust and User-Friendly Design

Weighing just 1.2 kg with batteries and featuring an IP54 protection rating, the DLRO2 is engineered for rugged performance in demanding field and laboratory conditions. Its ergonomic, handheld construction and large backlit LCD guarantee ease of use and readability, even in low-light environments.

Safety and Compliance You Can Trust

With overvoltage protection (CAT III 300 V), auto shut-down, and hazardous voltage test inhibit, the DLRO2 ensures user safety at all times. Fully compliant with IEC 61010-1 and CE marked, it meets stringent international standards, providing confidence and peace of mind for every measurement.

FAQ's of Handheld Ohmmeter DLRO2:

Q: How does the DLRO2 ohmmeter compensate for lead resistance during measurements?

A: The DLRO2 employs true 4-terminal measurement technology, which automatically compensates for lead resistance by using separate current and potential cables. This ensures that measured values remain accurate, regardless of lead length or resistance.

Q: What is the process for conducting a low resistance test with the DLRO2 handheld ohmmeter?

A: To conduct a test, connect the terminal posts with insulated touch-proof connectors to the specimen. Select your desired test current (1 A or 0.1 A) and press the manual control. The device will inhibit the test if hazardous voltage is present, then perform the measurement, displaying results on the backlit LCD within 3 seconds.

Q: Where can the DLRO2 be best utilized for testing?

A: The DLRO2 is suitable for use in utility substations, industrial maintenance departments, and electrical workshops. Its rugged, IP54-rated case allows for reliable operation outdoors or in challenging field environments as well as in laboratory settings.

Q: What are the main benefits of the DLRO2 for field engineers and technicians?

A: Benefits include high measurement accuracy (0.2% of reading + 2 digits), rapid response time, and extended battery life (up to 1000 manual tests). Its lightweight, compact design, superior safety features, and data retention capability enhance productivity and operational safety during fieldwork.

Q: When should I replace the batteries in the DLRO2 ohmmeter?

A: The DLRO2 supports up to 1000 manual tests or 200 automated tests on a full set of 6 AA batteries. Replace the batteries when you notice reduced performance or after extended usage, especially if working with frequent or automated tests.

Q: What compliance and protection standards does the DLRO2 meet?

A: The DLRO2 adheres to IEC 61010-1 safety standards, carries a CE mark, and provides overvoltage protection up to CAT III 300 V, ensuring both operational safety and compliance with international regulations.

Q: How is the last measured result stored and retrieved on the DLRO2?

A: The DLRO2 automatically retains the last test result, which can be viewed on the large LCD even after the instrument is powered off, ensuring quick reference and data security for field and laboratory use.

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