Megger BT51 User manual

M

Digital Milliohmmeter

BT51

USER GUIDE

GUIDE DE L’UTILISATEUR

GEBRAUCHSANLEITUNG

GUÍA DEL USUARIO

3

Safety Warnings 2

General Description 4

Applications 5

Specification 6

Operation 7

Warning 7

The detachable lid 7

Performing a test 7

Using alternative leads 8

Charging the battery 8

Outline Diagram 9

Mode d’Emploi 10

Kurzanweisungen 11

Instrucciones Resumidas de Uso 12

Contents

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5

6

Specification

Ranges 2000 mΩresolution 1 mΩ

20,000 mΩresolution 0,01 mΩ

Test current 2 A to 2,5 A at any reading

Accuracy (0˚C to 50 ˚C) ± 1% ± 2 digits

Display 31⁄2 digit L.E.D.

Temperature Range Operating 0 ˚C to +50 ˚C

Storage –20 ˚C to +50 ˚C

Protection Relay protection for up to 240 V a.c. power source applied

240 V model 100 mA (T) fuse 20 mm x 5 mm ceramic (For charging circuit)

115 V model 250 mA (T) fuse 20 mm x 5 mm ceramic (For charging circuit)

Power Supply Internal 4 Ah NiCd rechargeable cells and charging unit.

Normal charging time at 240 V is 10 hours

Safety The instruments meet the requirements for double insulation

to IEC 61010-1.

E.M.C. In accordance with IEC 61326-1

Dimensions 344 mm (131⁄2ins) x 245 mm (95⁄8ins) x 158 mm (61⁄4ins)

Weight 4,5 kg (10 lb)

Cleaning Wipe disconnected instrument with a clean cloth dampened

with soapy water or Isopropyl Alcohol (IPA).

Operational uncertainties Refer to www.megger.com

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