B&K Precision 308A User Manual

Instruction Manual

Model 308A Digital Insulation & Continuity Meter

INSTRUMENT LAYOUT

INTRODUCTION........................................ 2

SAFETY NOTES......................................... 3

FEATURES................................................ 4

MEASURING METHODS............................. 5-7

SPECIFICATIONS...................................... 8-9

MAINTENANCE.......................................... 10

LIMITED ONE-YEAR WARRANTY................ 11

SERVICE INFORMATION............................ 12

............................... 1

INSTRUMENT LAYOUTINDEX PAGE

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INTRODUCTION

NOTE

This meter has been designed and tested according
to IEC publication 348 , safety
requirements for electronic measuring apparatus ,
IEC-1010 (EN 61010) and other safety standards .
Follow all warnings to ensure safe operation .

WARNING

READ "SAFETY NOTES" ( NEXT PAGE )
BEFORE USING THE METER .

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SAFETY NOTES

— Read the following safety information carefully

before attempting to operate or service the
meter .

— Use the meter only as specified in this manual ;

otherwise the protection provided by the meter
may be impaired .

— Rated environmental conditions :

(1). Indoor use .
(2). Installation Category .
(3). Pollution Degree 2 .
(4). Altitude up to 2000 Meter .
(5). Relative Humidity 80% Max.
(6). Ambient Temperature 0~40°C

— Observe the international electrical symbols

listed below .

Meter is protected throughout by double
insulation or reinforced insulation .

Warning ! Risk of electric shock .

Caution ! Refer to this manual before
using the meter .

Alternating current .

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