Megger DLRO10 Low Resistance Ohmmeter

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  • Outputs up to 10 A DC to measure resistance from 0.1 µ ohms - 2000 ohms
  • Multiple operating modes including fully automatic
  • Manual, Auto, Continuous and Inductive measurement modes

rrp £3,030.00

now £2,660.00 (Ex. VAT) £3,192.00 (Inc. VAT)

rrp £3,030.00

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  • Description

    Megger DLRO10 Low Resistance Ohmmeter

    The Megger DLRO10 Low Resistance Ohmmeter offers automatic testing by selecting the most suitable test current (up to 10A DC), in order to measure resistance from 0.1 micro ohms to 2000 ohms across seven ranges.

    The DLRO10 micro ohmmeter is built into a strong, lightweight case that is at home in either the field or in the laboratory. Light enough to be worn around the neck and small enough to be taken into areas which were previously too small to access, the DLRO 10 uses a large, bright 4-1/2-digit LED display to produce low resistance readings in under 3 seconds.

    Megger DLRO10 Key Features:

    • Accurate results in under three seconds
    • Auto current reversal cancels standing emfs
    • Fuse protected to 600 V
    • NiMH battery reduces weight
    • 250 mW power limit (with optional override) to avoid heating the test sample
    • Automatically detects continuity in potential and current connections
    • Visible warning of high voltages present at the terminals
    • Visible warning of current flowing in the test sample
    • Multiple operating modes including fully automatic

    Which Test Leads?

    The Megger DLRO10 Micro-Ohmmeter can be supplied without test leads or with two Megger 1.2m DH4 Duplex handspikes with indicator lights (6111-503) selectable above.

    Other test lead sets are available to purchase with the Megger DLRO10, including the popular choices of the Megger 2.5m DH5 Duplex handspikes (6111-517) and the 600V rated CAT III DH6 Megger Duplex handspikes (6111-518) which can be selected from the options above.

    Wind turbine lightning protection testing is made possible with the options of a 30m, 60m or a 100m extension reel. The 100m Megger KC100 Reel (1000-809) can be selected above, although for a full list of available test leads, please click here and contact us for a price and availability.

    DLRO Model Comparison

    Nominal Current Up to 10A Up to 10A Up to 10A
    No. of ranges with power limited to 0.25W 6 6 6
    No. of higher power ranges 2 - -
    Display LCD Backlit LCD Backlit LED 4½ digit
    Results storage and download -
    Power supply -
    Mains Optional Optional
    Rechargable battery
    Weight 6.7 kg 2.6 kg 2.6 kg
  • Specification

    • Measurement mode: (DLRO 10) Manual, Auto, Continuous, Inductive; (DLRO 10X) Manual, Auto, Continuous, Inductive, Undirections
    • Measurement control: (DLRO 10) Fully Automatic; (DLRO 10X) Fully Automatic/Manual
    • Measurement speed: <3s for forward and reverse current and to display average
    • Display: 4 1/2 digit seven segment LED 
    • Range and safety: (DLRO10) LED indications; (DLRO10X) Large backlight LCD 
    • Test method: Single cycle reversing d.c. ratiometric measurement - average result display. 
    • Test current accuracy: ±10%
    • Test current stability: <10ppm per second
    • Lead resistance: Maximum 100 mΩ total for 10 A operation irrespective of battery condition
    • Voltmeter input impedance: >200kΩ
    • 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.
    • Data transfer: (DLRO10X) Real Time or from storage via RS232 
    • Data storage: (DLRO10X) 700 tests
    • Memo field: (DLRO10X) Up to 200 characters per test via integral alphanumeric keypad
    • Battery type: 7Ah NimH rechargeable
    • Battery life: Typical 1000 x 10A tests before rechargeable
    • Battery charge time: Via external 90 V - 260 V 50/60 Hz charger from 12 to 15 V dc supply; Standard: 2.5 hours to 90% capacity, 4 hours to fully charged; Slow Charge: +10 °C to + 45 °C
(50 °F to 113 °F) 
    • Operating temperature range and humidity: +5 °C to +45 °C (41 °F to 113 °F) at full accuracy; -10 °C to +50 °C (14 °F to 122 °F) at reduced accuracy; <90% RH @ 40 °C (104 °F) non-condensing 
    • Storage temperature range and humidity: -30 °C to +70 °C (50 °F to 113 °F); <90% RH @ 40 °C (104 °F) non-condensing
    • Temperature co-efficient: <0.01% per °C, over range 5 °C to 40 °C (<0.0006% per °F from 41 °F to 104 °F) 
    • Maximum altitude: 2000m (6562 ft) to full safety speci cations 
    • Safety: In accordance with IEC61010-1, CAT III 600 V - only when DH6 leads are used 
    • EMC: IP65 case closed, IP54 battery operation 
    • Dimensions: 220 x 100 x 237mm
    • Weight: 2.6kg
  • Supplied Accessories

    7 Ah NiMH battery module. 6121-492
    2 x DH4 Duplex handspikes (optional, please select above)
    one with indicator lights. 1.2m / 4 ft 6111-503
    Battery charger for operation from 115/230 V .
    50/60Hz supply. 6280-333
    Cigar lighter adapter for battery charging. 6280-332
    User guide. 6172-473
    Warranty book. 6170-618

  • Product Documents

    Product Attachments

    View FileMegger DLRO Test Leads    Size: (937.51 KB)
    View FileMegger DLRO10 Datasheet    Size: (412.64 KB)
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  • Delivery Information

    At we understand the importance of a reliable delivery service when shopping online. Especially when the goods are often essential to your working day. If your goods are required by a certain date please feel free to contact us for an honest and realistic indication whether this can be met. We aim to process all orders we receive within 1 to 3 working days, however from time to time we do have an increased demand for certain products or there might be delays from the manufacturer. In such cases delivery of your equipment may be subject to a minor delay.

    We use DPD/Interlink for all larger items and Royal Mail for smaller items and accessories. With DPD/Interlink you will receive a 1 hour delivery window on the day of delivery via e-mail/text and a notification 15 minutes before arrival so you will not have to wait around all day. You can even manage your booking online and re-arrange delivery for another date or arrange the goods to be left with a neighbour of your choice.

    We also offer delivery options for goods required urgently on certain products, all which are sent by DPD/Interlink.

    Our charges for UK deliveries:

    • FREE Delivery (on select products only): typically 3-5 working days*
    • Standard Delivery at £4.95: 2-3 working days
    • Next Working Day Delivery (on select products only) at £7.50
    • Pre-Noon Next Working Day Delivery (on select products only) at £9.50*
    • Pre-10.30am Next Working Day Delivery (on select products only) at £18.50*
    • Saturday Pre-Noon Delivery (on select products only) at £14.50*
    • Sunday Pre-Noon Delivery (on select products only) at £14.50*

    *UK mainland only

    NOTE! For next working day or Saturday/Sunday delivery options the order MUST be placed no later than 3pm on the working day before delivery is required. After 3pm, please arrange with our staff before selecting a priority delivery service. Priority services are available to UK mainland residents only (this might exclude certain areas in the north of Scotland).

    Customers outside the UK: exports to many countries all over the world. Prices for shipping vary on location and weight/dimensions. Costs are calculated for certain countries at the checkout. If your country is not included in this list please e-mail with your name, address and the items you would like to order for an accurate shipping quote or go to for more information.

    For more information on delivery, please see our terms and conditions.