Megger DLRO10
Megger DLRO10
  • SKU5434
  • BrandMegger
  • IndustryIndustrial & Manufacturing
  • TechnologyPower & Energy
  • CategoryElectrical & Electronics
  • MiniCategoryElectrical Test Instruments
  • Solution
  • Regular Price
  • Type

Product Highlights

  • Megger Model # DLRO-10
  • Accurate results in under 3 seconds
  • Designed for the rigors of onsite testing and laboratory use
  • Four-wire measurement technique cancels out lead resistance
  • Auto current reversal cancels standing emfs
  • Continuous not pulsed current
  • Fuse protected to 600V
  • NiMH battery reduces weight
  • 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
  • 5 operating modes including fully automatic

Each Unit Includes

  • NiMH battery module
  • Two duplex handspikes 1.2m/4 ft,one with indicator lights
  • Battery charger for operation from 115/230V/ 50/60 Hz
  • Cigar lighter adapter for battery charging
  • User guide
  • Warranty manual

APPLICATIONS

The needs for accurate low resistancemeasurement are well known and verydiverse. They range through receiving, inspection of components toground bonding and welded joints.Typical end users include utilities,telecom, railroads, aviation, manufacturing facilities, and process controlplants. Applications include, but arenot limited to, making dc resistancemeasurements for:

• Switch and contact breaker resistance

• Busbar and cable joints

• Aircraft frame bonds and static

control circuits

• Integrity of welded joints

• Intercell strap connections on

battery systems up to 600 V peak

• Quality control of resistivecom ponents

• Small transformer and motor winding resistance

• Rail and pipe bonds

• Metal alloys welds and fuse resistance

• Graphite electrodes and other composites

• Wire and cable resistance

• Transmitter aerial and lightning conductor bonding

SPECIFICATIONS

Test Current Accuracy: ±10%

Output Current Stability

Better than 10 ppm per second on at test currents of 10 mA or less Better than 100 ppm per second at currents above 10 mA

Voltmeter Input Impedance: greater than 200 kΩ

Hum rejection: less than 1% + 20 digits additional error with 100 mV rms 50/60 Hz on potential leads. If this level is exceeded, a warning will illuminate on the front panel.

Measurement speed: less than 3s for foward, reverse measurement and to display average.

Display

Measurement: 4-1/2 digit seven segment LED Range and Safety: LED indication

 Battery

Standard capacity: 7 Ah NiMH rechargeable battery supplied with instrument Recharge: via external charger supplied from 115/230 V 50/60 Hz or from 12 V car battery Life: typically 1000 x 10 A test.

Battery charging

Standard Charge: 14 hrs

Fast Charge: 4 hrs to 90 % capacity at

68o F (20o C)

Charging temperature

Standard charge: 32o F to 113o F

(0o C to +45oC)

Fast charge: 50o to 113o F

(+10o to +45o C)

Temperature Range

Operation

41o to 113o F (+5o to +45o C) at full

14o to 122o F (-10o to +50o C) at reduced accuracy Calibration temperature

68o F (20 o C)

Temperature Coefficient

<0.006% per oF over range 41o to

104o F

<0.01% per oC over range 5o to 40 oC

Storage

-4o to 158o F (-20o to +70o C)

Humidity (max): 90% RH @ 104oF

(40oC) non-condensing

Altitude (max): 6562 ft (2000 m) to full

safety specifications

Safety: in accordance with EN61010-1

600 V Category III

EMC: meets EN50081-1 and EN50082-1

(1992)

Dimensions: 8.6 x 4 x 9.5 in.

(220 x 100 x 237 mm)

Weight: 5.6 lb (2.5 kg) including battery module

Asked Question

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