DV POWER RMO-H23 300A MICRO-OHMMETER

The RMO-H micro ohmmeters are ideal for a number of applications for contact resistance measurements of non-inductive test objects. Typical applications are testing a circuit breakers and disconnecting switches, high-current bus bar joints, cable splices, welding joints, etc.

The set is equipped with the thermal and overcurrent protection. The RMO-H has a very high ability to cancel electrostatic and electro-magnetic interference in HV electric fields. This is achieved by very efficient filtration utilizing a proprietary hardware and software.

Operation: Central push button testing and function keys Working temperature range: -10 °C … +50 °C

Operating temperature range: 0 °C … +35 °C Nominal temperature range: 18 °C … +28 °C Storage temperature range: -30 °C … +60 °C

Battery life span: with IEC LR6/type AA: typ. 3000

Weight: ≤ 1.1 kg without accessories ≤ 5.5 kg incl. accessories and batteries in carrying case

Case material: NORYL, shock -and scratch proof thermoplast

• Measuring range: 0,1 μΩ – 3000 mΩ
• Resolution: 0,1 μΩ
• Typical accuracy: ± (0,1 % rdg + 0,1 % FS) up to 1Ω range
• Handheld, only 0,95 kg (2.1 lbs) weight
• IP54 mechanical protection rating
• Designed to make multiple measurements and full day’s work of testing without a battery recharge
• Safe testing in Both Sides Grounded (BSG) conditions
• 5 meter cables

• Circuit breaker testing — The DV Power RMO-H23 300A micro-ohmmeter is essential for precisely measuring contact resistance in circuit breakers. This task is vital for their reliable operation and safety in electrical systems, preventing malfunctions and ensuring efficient power distribution.
• Disconnecting switches inspection — Designed to inspect disconnecting switches, the H23 plays a crucial role in maintaining electrical safety and system integrity by identifying potential wear or damage and ensuring proper functioning.
• High-current busbar joint analysis — This micro-ohmmeter excels in analysing busbar joints, critical for maintaining low resistance and optimal electrical flow in high-current environments. This guarantees system efficiency and reduced risk of overheating.
• Cable splices assessment — Ideal for assessing cable splices, the device ensures secure and effective electrical connections, critical for uninterrupted power supply and the longevity of electrical installations.
• Welding joint evaluation — Perfect for evaluating the integrity of welding joints, it helps ensure strong, durable connections in various applications, critical for structural stability and safety in industrial and construction environments.

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