Preventive maintenance 15
Touch voltage enable/inhibit and Reverse polarity or
line/neutral swapping 16
General Specification 17
Basic and service errors 18
Accessories and equipment 18
Repair and Warranty 19
Symbols used on the instrument are:
G Caution: refer to accompanying notes
t Equipment protected throughout by Double
Insulation (Class II)
c Equipment complies with current EU directives.
Equipment complies with ‘C tick’ requirements
CONTENTS
3
Safety warnings: 2
Introduction 4
General description 4
Un–packing the carton 5
LCD Display 6
Top panel 6
Lid open/closure 17
Preparations for use 8
Batteries 8
Preliminary test lead check 8
General operating instructions 8
Display warning symbols 9
Setup procedure 9
Reverse polarity detection 9
Touch voltage 10
Test Leads 10
Test lead connection. 10
LED indicators 11
Residual Current Device [RCD] testing 11
RCD type selection 12
∆I RCD Non-tripping measurement 12
1xI & 5xI RCD trip time measurement 12
0 or 180° testing 12
RampTest 12
DC Sensitive RCD test [RCD] 13
Voltage measurement 13
Frequency Hz (RCDT320 only) 14
Replacing batteries and fuses 14
Low battery warning symbol 14
To replace batteries 14
Fuse Blown indication 15
N13117
RCDT300_UG_en_V01 07/05/2004 12:07 pm Page 3
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