Megger DLRO100HB Digital Low Resistance Ohmmeter

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Megger DLRO100HB Digital Low Resistance Ohmmeter

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The Megger DLRO100HB Digital Low Resistance Ohmmeter is a ductor featuring 0.1 μΩ - 1.999 Ω measurement, high noise immunity, IP54 moisture and dust protection. The device's smooth DC output is ideal for applications like circuit testing. Megger DLRO100HB ohmmeters enable low resistance measurement in areas without access to mains power, an Li-Ion battery supplying a constant current of 100 A to enhance productivity in remote locations. Technicians can choose from three modes. Manual mode allows technicians to initiate test procedures as soon as the ductor probes are in contact with the device under test. Auto mode lets the user decide the desired current, and as potential leads are connected, testing auto-starts. Continuous mode begins testing the moment the probes are connected and the test button is pressed. Megger DLRO100HB ductors are IEC61010 compliant and safe for operation in harsh environments and under adverse conditions, adhering to the CAT IV 600 VAC / 500 VDC requirement.

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Features

Meets CAT IV 600 VAC / 500 VDC safety standards
Portable, lightweight 100 A battery-powered unit
High noise immunity for stable readings
Smooth DC Output for circuit breaker testing
IP54 for protection against dust and moisture
Save, download and delete results (100X/H variants)
Remote operation, Bluetooth® & asset/result tagging (100H variants)

Specifications

Measurement range	0.1 μΩ - 1.999 Ω
Resolution	0.1 μΩ
Noise rejection	Differential 100 mV @ 50-60 Hz on Test Leads
DC output	Smooth DC
IP rating	IP54 Lid open / IP65 Lid closed
Operating temperature range	-20°C up to 50°C
Storage temperature range	-30°C up to 70°C
Humidity	<85% R.H. non-condensing
Battery life	200 single 100 A tests or up to 2x 10 minutes continuous 100 A output
Battery type	User replaceable Li-ion battery pack
Battery charge time	Full charge in 2.5 Hrs from flat
Maximum output voltage	2 V (battery), 3 V (AC)
EMC	IEC61326-1
Safety	IEC61010, CAT IV 600 VAC / 500 VDC up to 2000 m, CAT IV 300 V up to 4000 m
Dimensions	400 x 300 x 200 mm
Weight	7.0 kg (AC Only) 7.9 kg (with Battery)

Applications

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Accessories

Standards

Utilities & Service Contractors
- Switchgear and circuit breaker contact resistance
- Busbar and cable joints
- Wire and cable resistance
- Lightning conductor bonding
Original Equipment Manufacturers
- Production test of circuit breakers – contacts & joints
- Production test of high voltage switchgear
- Production test of welded joints & connections
Transport Technicians
- Railway rolling stock ground connections & manufactured joints
- Railway lines & conductor rails – commissioning & maintenance
- Aircraft frame bonds and static control circuits

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Megger DLRO100HB Digital Low Resistance Ohmmeter

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