Megger DLRO10HDX Low Resistance Ohmmeter

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  • Measure resistance from 0.1µΩ to 250Ω via test current up to 10A
  • Downloadable internal memory with room for up to 200 separate readings
  • Simple to use outdoors with rugged construction and user-friendly interface

rrp £3,135.00

now £2,990.00 (Ex. VAT) £3,588.00 (Inc. VAT)

rrp £3,135.00

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  • Description

    Megger DLRO10HDX Low Resistance Ohmmeter

    The Megger DLRO10HDX Low Resistance Ohmmeter measures resistance between 0.1µΩ and 250mΩ with a maximum resolution of 0.1µΩ and accuracy of ±0.2%. The instrument can inject a test current of up to 10A into a conductor for a duration of up to one minute thus making it suitable for measuring resistance across thick conductors, bonding and welding. These capabilities make it suitable for a range of sectors including rail and manufacturing.

    The user selects the correct test current setting using the simple rotary switch and push buttons which are easy to operate in all conditions, including when wearing gloves. Specific test modes allow measurements in motors and generators and across different metal combinations whilst an automatic mode performs a test as soon as the probes are connected. Continuous mode is ideal for performing multiple tests on the same conductor, for example on a production line.

    Up to 200 records can be saved to the internal memory of the Megger DLRO10 HDX and then recalled on the clear backlit LCD display. Saved files can be downloaded with Megger PowerDB software. A test lead pouch and user guide are supplied as standard. The power supply is another handy feature of the ohmmeter because it can run either off rechargeable batteries or off the mains, thus allowing portable use and extended use. The instrument comes supplied with no test leads as standard but a set of DH4-C probes or KC1 Kelvin clip probes can be selected using the drop-down menu above.

    Megger part number: 1008-075

    Key Features

    • Resistance range: 0.1µΩ to 250Ω
    • Accuracy: ±0.2%
    • Resolution: 0.1µΩ
    • Five test modes (normal, automatic, automatic unidirectional, continuous, inductive)
    • Simple rotary switch
    • 10A test current injection
    • 200 reading internal memory
    • Downloadable with Megger PowerDB software
    • Rugged and durable in testing conditions
  • Specification


    Resistance/Current Ranges

    • The green resistance ranges on the keypad indicate low output power (<0.25 W) outputs. Red ranges indicate higher 2.5 W (1 A) and 25 W (10 A) power outputs.

    Resolution and Accuracy

    • Test current accuracy: ±10%
    • Voltmeter input impedance: >200 kΩ

    Test Current / Resistance Range / Resolution / Basic Accuracy* / Full Scale Voltage / Max. Power Output

    • 0.1 mA / 0 to 2500.0 Ω / 100 mΩ / ±0.2% ±200 mΩ / 25 mV / 2.5 µW
    • 0.1 mA / 0 to 250.00 Ω / 10 mΩ / ±0.2% ±20 mΩ / 25 mV / 2.5 µW
    • 1 mA / 0 to 25.000 Ω / 1 mΩ / ±0.2% ±2 mΩ / 25 mV / 25 µW
    • 10 mA / 0 to 100 µΩ / ±0.2% ±200 µΩ / 25mV / 250 µW
    • 100 mA / 0 to 250.00 mΩ / 10 µΩ / ±0.2% ±20 µΩ / 25 mV / 2.5 mW
    • 1 A / 0 to 25.000 mΩ / 1 µΩ / ±0.2% ±2 µΩ / 25 mV / 25 mW
    • 10 A / 0 to 2500.0 µΩ / 0.1 µΩ / ±0.2% ±0.2 µΩ / 25 mV / 0.25 W
    • 1 A / 0 to 2500.0 mΩ / 100 µΩ / ±0.2% ±200 µΩ / 2.5 V / 2.5 W
    • 10 A / 0 to 250.00 mΩ / 10 µΩ / ±0.2% ±20 µΩ / 2.5 V / 25 W

    * The accuracy stated assumes forward and reverse measurements. Inductive mode or undirectional mode will introduce an undefined error if an external EMF is present. Basic accuracy at reference conditions.


    • Temperature Coefficient: < 0.01% per ºC, from 5 ºC to 40 ºC
    • Maximum Altitude: 2000m (6562 ft) to full safety specifications
    • Display size/type: Main 5 digit + 2 x 5 digit secondary displays
    • Battery type: 6 V, 7Ah sealed lead acid
    • Voltage input range: 90 - 264 V, 50-60 Hz
    • Charge time: 8 hours
    • Backlight: LED backlight
    • Battery life: 1000 Auto (3 sec) tests
    • Auto power down: 300s
    • Mode Selection: Rotary switch
    • Range selection: Rotary switch
    • Weight: 6.7 kg
    • Case dimensions: (L) 315mm x (W) 285mm x (H) 181mm
    • Pouch for test leads: Yes (lid mounted)
    • Test leads: DH4 lead set included
    • IP rating: IP65 case closed, IP54 battery operation
    • Safety rating: In accordance with IEC61010-1, CATIII 300 V when used with DH7 leads
    • Operating temperature and humidity: -10°C to +50°C (14°F to 122°F) <90% RH
    • Reference conditions: 20°C ±3°C
    • Storage temperature and humidity: -25°C to +60°C, <90%RH
    • EMC: In accordance with IEC61326-1 (Heavy industrial)
    • Noise rejection: Less than 1% ±20 digits additional error with 100 mV peak 50/60 Hz on the potential leads. Warning will show if hum or noise exceeds this level.
    • Maximum lead resistance: 100 mΩ total for 10 A operation irrespective of battery condition.
  • Supplied Accessories

    • Megger DLRO10HDX Microohmmeter
    • 2 x DH4 Duplex handspikes (optional, please select above)
    • Megger KC1-C Duplex Kelvin Clip Lead Set (optional, please select above)
    • Test lead pouch (lid mounted)
    • DLRO10HD user guide CD
    • Warranty book
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