Megger DLRO10x Digital Low Resistance Ohmmeter

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Megger DLRO10x
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DLRO10x Datasheet
The Megger DLRO10x Digital Low Resistance Ohmmeter is a fully automatic instruments, selecting the most suitable test current up to 10 A d.c. to measure resistance from 0.1 μΩ to 2000 Ω, on one of seven ranges.

For users who desire more control over the measurement process, DLRO10X uses a menu system controlled by a two-axis paddle to allow the user to manually select the maximum test current.

DLRO10X also adds real time download of results and on board storage for later download to a PC.
Megger DLRO10x 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
  • Alpha-numeric keypad for entering test notes
  • User settable high and low limits
  • Autoranging with Manual option
  • Printer output and memory
Megger DLRO10x Specs
Measurement Mode Manual, Auto, Continuous, Inductive, Unidirectional
Control Fully Automatic/Manual
Speed <3s for forward & reverse current and to display average
Display Range and Safety Large backlit LCD
Test Method Single cycle reversing d.c. ratio-metric measurement -average result display.
Test Current Accuracy ±10%
Stability <10 ppm per second
Maximum Lead Resistance 100 mΩ total for 10 A operation irrespective of battery condition.
Voltmeter input impedance > 200 kΩ
Hum 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
Life Typically 1000 x 10 A tests before recharge
Recharge Via external 90 V - 260 V 50/60 Hz charger or from 12 to 15 V dc supply
Charging Rate Standard 2.5 hours to 90% capacity, 4 hrs for full charge
Temperature Operation +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 In accordance with IEC61010-1 600 V Category III - only when DH6 leads are used.
In accordance with IEC61326-1