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General specifications

Temperature Coefficient

   < 0.01% per ºC, from 5 ºC to 40 ºC

Maximum Altitude

  

2000 m (6562 ft) to full safety specifications

Display size/type

  

Main 5 digit + 2 x 5 digit secondary displays 

Voltage input range

 

90 – 264 V rms 9 – 17 VA, 50/60 Hz   90VA

Line input fuse

 

T 1.25 A, 250 V, HBC ceramic 32mm x 6.3mm

Battery type

  

6 V, 7 Ah sealed lead acid (return  

 

instrument to a Megger authorised  

 

repair agent for replacement)

Charge time

 

 8 hours

Backlight

  

LED backlight

Battery life

  

>1000 Auto (3 sec) tests

Auto power down

 

180s after inactivity

Mode Selection

 

Rotary switch

Range Selection

 

Rotary switch

Weight

 

6.7 kg

Case dimensions

 

L315mm x W285mm x H181mm

Pouch for test leads

 

Yes (lid mounted)

Test leads

 

Depend on order code selected

IP rating

 

IP65 case closed, IP54 battery operation

Safety rating

 

In accordance with IEC61010-1, CATIII 300 V  

 

when used with optional terminal cover  

 

(details in ordering information)

Application

 

IEC 61010 defines measurement categories  

 

from I to IV relating transient over voltages and  

 

the location within electrical installations. This  

 

instrument is designed for use at Category III  

 

(Building installation level) on 300 V phase to  

 

earth systems, 520 V phase to phase.

Operating temperature  
and humidit

-10 °C to +50 °C (14 °F to 122 °F) <90% RH

Reference conditions

 

20 ºC ±3 ºC

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.

Summary of Contents for 1006-603

Page 1: ...M DLRO10HD 10 A Digital Low Resistance Ohmmeter USER GUIDE...

Page 2: ...the LCD will flash at end of a test on an inductive load whilst a discharge current is still flowing and will stop flashing when the current has decayed to less than 1 mA For testing large inductive r...

Page 3: ...onnectors to confirm that their condition is good with no damaged or broken insulation Charging and mains line operation In normal circumstances the instrument is completely safe However in case of an...

Page 4: ...the instrument and wipe it with a clean cloth slightly damped with soapy water or Isopropyl alcohol IPA Symbols used on the instrument G Caution Refer to accompanying notes F HV warning t Equipment pr...

Page 5: ...10 Amp tests to be completed on a single charge An auto power off function preserves battery life when operating from battery power The battery contains intelligent circuitry which prevents damage to...

Page 6: ...achieved Electromagnetic noise induced into the leads can interfere with a reading A noise symbol alerts the user and prevents a measurement when the instrument detects noise above its threshold When...

Page 7: ...connect the test leads and press the test button The measurement is updated every three seconds until the circuit is broken Please note that in this mode both the current and voltage leads must be co...

Page 8: ...rnal voltage is applied between the terminals and the instrument is on the HV warning Fwill flash on the display This is a warning that the item under test is live and might be dangerous and testing i...

Page 9: ...ontacts connect L1 will extinguish 4 No lamps will show during the test unless contact fails 5 Lamp L2 will light a continuous green when current flow has decayed to less that 1 mA to signal end of te...

Page 10: ...the contrast adjust button Contrast setting will scroll through its range from min to max and back to min etc The backlight ON OFF button toggles the state of backlight that will timeout if left on f...

Page 11: ...th arrows to indicate direction of current flow The large arrow at the top of the display between C1 and C2 indicates measurement current flow LCD Icons Battery icons with battery charge level indicat...

Page 12: ...fitted with a 3 Amp fuse The instrument can be powered from 90 265 Vrms a c at 50 60 Hz The battery will charge as long as the mains supply is connected except when a test is in progress For optimum b...

Page 13: ...nal mode will introduce an undefined error if an external EMF is present Basic accuracy at reference conditions Test Current Resistance Range Resolution as displayed Basic Accuracy Full scale voltage...

Page 14: ...ode selected IP rating IP65 case closed IP54 battery operation Safety rating In accordance with IEC61010 1 CATIII 300 V when used with optional terminal cover details in ordering information Applicati...

Page 15: ...s at the instrument terminals Although the terminal cover may be used with any test leads only Megger DH4 and DH5 duplex handspikes have suitable probe insulation to comply with the requirements of IE...

Page 16: ...the printed circuit board If the protection of an instrument has been impaired it should not be used and be sent for repair by suitably trained and qualified personnel The protection is likely to be...

Page 17: ...oducts is a reminder not to dispose of the product at the end of it s product life with general waste Megger is registered in the UK as a Producer of Electrical and Electronic Equipment The Registrati...

Page 18: ...pliance with Directive 2014 53 EU Other equipment manufactured by Megger Instruments Limited described in this user guide is in compliance with Directives 2014 30 EU and 2014 35 EU where they apply Th...

Page 19: ...enaff 78190 TRAPPES France T 33 0 1 30 16 08 90 F 33 0 1 34 61 23 77 E infos megger com Other technical sales offices Toronto Canada Sydney Australia Mumbai India Madrid Spain and the Kingdom of Bahra...

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