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Megger DLRO10X Low Resistance Ohmmeter
  • Megger DLRO10X Low Resistance Ohmmeter
  • Megger DLRO10X Low Resistance Ohmmeter
  • Megger DLRO10X Low Resistance Ohmmeter
  • Megger DLRO 10X

Megger DLRO10X Low Resistance Ohmmeter

Megger approved distributor and service centre.

Includes: 7 Ah NiMH battery module, DH4-C Duplex handspikes (2), one with indicator lights, 1.2m/4 ft (Not NLS models), Battery charger for operation from 115/230V, 50/60Hz supply, Cigar lighter adapter for battery charging, User guide, Warranty card.

£4798.8 Inc. VAT
In Stock

Megger's DLRO 10X low resistance ohmmeter has test currents up to 10A DC, allowing it to measure resistances from 0.1 µΩ to 2000 Ω. The instrument is controlled by a menu system and a two-axis paddle, allowing more control for the user.

The DLRO 10X can also store internally up to 700 sets of results, each result can have notes attached using the on-board keypad. Each note can contain up to 200 characters.

Measurements are fast, with each one taking about 2.5 seconds and comprises a measurement with forward current, reverse current and a display of the average. All three values appear on screen, and if required only the forward current measurement can be taken.

All the controls needed to set up and operate megger DLRO 10X are located on the top panel of the instrument. To the left of the large LCD display are the controls for moving around the display, controlling the menuing system and adjusting the display contrast and backlight. To the right of the display is the large Test button, Power On/Off button and an alphanumeric keypad for entering notes relating to a test which will be stored with the test results for later reference.

The DLRO10X uses a test current between 100 μA and 10 A to measure the resistance of the item under test. If set to AUTO, DLRO10X will select the current according to the resistance it detects. Test currents available are; 10 A, 1 A, 100 mA, 10 mA, 1 mA and 100 μA. Selecting the 10 A maximum will have the same effect as selecting AUTO. The Main Menu screen will show the active current range beneath the RANGE heading.

The DLRO10 and DLRO10X may be also powered from an optional mains / line power supply unit the DLRO10LPU. This unit is simply fitted to the instrument in place of the standard battery pack.


Accurate results in approx. 2.5 seconds.
Auto current reversal cancels standing emfs.
Fuse protected to 600 V.
Brightness control adjustment.
Test current indicators.
Noise lamp.
'C' and 'P' indicators.
'V' and ‘I’ Warning Indicators.
Lightweight NiMH battery.
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.
Storage for 700 tests with notes.
Alpha-numeric keypad for entering test notes.
User-setable high and low limits.
Printer output and memory.

Video Insight Into The Megger DLRO 10A Testers.

Functionality Table
Resistance Ranges Full Scale Volts Test Current
Full Scale Resolution Accuracy* Resistive Inductive Resistive Inductive
1.9999 mΩ 0.1 μΩ ±0.2% ±0.2μΩ 20 mV n/a 10 A n/a
19.999 mΩ 1 μΩ ±0.2% ±2 μΩ 20 mV 20 mV 1 A 1 A
199.99 mΩ 10 μΩ ±0.2% ±20 μΩ 20 mV 200 mV 100 mA 1 A
1.9999 Ω 100μΩ ±0.2% ±0.2 mΩ 20 mV 200 mV 10 mA 100 mA
19.999 Ω 1 mΩ ±0.2% ±2 mΩ 20 mV 200 mV 1 mA 10 mA
199.99 Ω 10 mΩ ±0.2% ±20 mΩ 20 mV 200 mV 100 μA 1 mA
1999.9 Ω 100 mΩ ±0.2% ±0.2 Ω 200 mV 200 mV 100 μA 100 μA
Megger DLRO10X Specifications
Mode Manual, Auto, Continuous, Inductive, Undirectional.
Control Fully Automatic/Manual.
Speed <3s for forward & reverse current and to display average.
Display Measurement: 4 1/2 digit seven segment LED.
Range & Safety Large backlit LCD.
Test method Single cycle reversing d.c. ratiometric measurement -average result display.
Test current accuracy ±10%.
Test current stability <10 ppm per second.
Lead resistance Maximum 100 mΩ total for 10 A operation irrespective of battery condition.
Voltmeter Input Impedance > 200 kΩ.
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 Real Time or from storage via RS232.
Storage 700 tests.
Memo field Up to 200 characters per test via integral alphanumeric keypad.
Battery Capacity 7 Ah NiMH rechargeable.
Battery Life Typical 1000 x 10A Tests Before Recharge.
Recharge Via external 90 V - 260 V 50/60 Hz charger or from 12 to 15 V dc supply.
Standard Charging Rate 2.5 hours to 90% capacity, 4 hrs for full charge.
Temperature +5 ºC to +45 ºC (41 ºF to 113 ºF) at full specification
-10 ºC to +50 ºC (14 ºF to 122 ºF) at reduced accuracy.
Storage Co-Efficient -30 ºC to +70 ºC (-22 ºF to 158 ºF).
Slow Charging <0.01% per ºC over range 5 ºC to 40 ºC (<0.006% per ºF from 4 1ºF to 104 ºF).
Humidity (MAX) +10 ºC to +45 ºC (50 ºF to 113 ºF).
Altitude (MAX) 90% RH @ 40 ºC (104 ºF) non-condensing.
Safety 2000 m (6562 ft) to full safety specifications.
EMC IP65 case closed,
IP54 battery operation.
Dimensions 220 x 100 x 237 mm (8.6 x 4 x 9.5 in).
Weight 2.6 kg (5 3/4 lb.) including battery module.
Megger DLRO10X warranty 2 year, conditional upon registering.


Megger DLRO10 & 10X Datasheet

PDF Specifications of the Megger DLRO10 & DLRO10X Low Resistance Ohmmeters.

Download (412.64k)

Megger DLRO Test Leads

PDF Datasheet of the Megger DLRO Test Leads Fitted with Duplex Connectors options.

Download (1.41M)

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