NC3 VO LTAG E
& MAGNETIC
FIELD TESTER
Instruction
Manual
ALWAYS READ THESE INSTRUCTIONS
BEFORE PROCEEDING
Thank you for buying one of our products. For
safety and full understanding of its benefits
please read this manual before use. Technical
support is available from 01923 441717 and
support@martindale-electric.co.uk.
CONTENTS
1 Safety Information 1
1.1 Meaning of Symbols and Markings 1
1.2 Precautions 2
2 Introduction 4
2.1 Inspection 4
2.2 Description 4
2.3 Accessories 4
2.4 Battery Installation 4
3 Operation 5
3.1 NC3 Layout 5
3.2 ON/OFF Button 5
3.3 Low Battery Indication 5
3.4 Torch 6
3.5 Proving Check 6
3.6 Testing Considerations 7
3.7 Testing for the Presence of Voltage 7
3.8 Testing for the Presence of a 8
Magnetic Field
4 Maintenance 9
4.1 Battery Replacement 9
4.2 Cleaning 9
4.3 Repair and Service 10
4.4 Storage Conditions 10
5 Warranty 11
Specifications
1 SAFETY INFORMATION
REMEMBER:
SAFETY IS NO ACCIDENT
These instructions contain both information
and warnings that are necessary for the safe
operation and maintenance of this product. It
is recommended that you read the instructions
carefully and ensure that the contents are fully
understood. Failure to understand and to comply
with the warnings and instructions can result in
serious injury, damage or even death.
Particular attention should be paid to the Warnings,
Precautions and Technical Specifications.
Please keep these instructions for future reference.
Updated instructions and product information are
available at: www.martindale-electric.co.uk
1.1 Meaning of Symbols and Markings
Caution - risk of danger & refer to
instructions
Caution - risk of electric shock
Equipment protected by double or
reinforced insulation (Class II)
CAT IV (Measurement Category IV) is applicable
to test and measuring equipment
connected at the source of the building’s
low-voltage MAINS installation.
For further information on measurement
categories visit
www.martindale-electric.co.uk
Equipment complies with relevant EU
Directives
End of life disposal of this equipment
should be in accordance with relevant
EU Directives
1
1.2 Precautions
This product has been designed with your safety
in mind, but please pay attention to the following
warnings and cautions before use.
Warnings
In order to avoid the danger of electrical shock, it
is important that proper safety measures are taken
when working with voltages exceeding 30V AC
rms, 42V AC peak or 60V DC.
Where applicable other safety measures such as
the use of protective gloves, goggles etc. should be
employed.
The voltage tester must only be used by a skilled
and competent person who is familiar with the
relevant regulations, the safety risks involved and
the consequent normal safe working practices,
and under the conditions and for the purposes for
which it has been constructed and specified.
Before each use the voltage tester should be
examined for damage, cracks, cuts or scratches.
Do not use if damaged in any way.
Make sure the voltage tester is dry, clean and free
from dust, grease and moisture while in use to
avoid the danger from electric shock due to surface
leakage.
Before and after each use, the voltage tester must
be proven using a suitable known good AC voltage
source. Do not use the voltage tester if it does not
function correctly during proving.
Testing for a voltage that exceeds the specified
limits of the voltage tester may damage the voltage
tester and may expose the operator to a shock
hazard. Always check the voltage testers specified
limits before use.
2
Do not use if the battery compartment end cap
is not fitted.
Always keep your fingers behind the finger
guard.
Do not use the voltage tester during rain or
precipitation.
The voltage tester will not detect DC voltage.
Cautions
Avoid severe mechanical shock or vibration and
extreme temperature.
To avoid corrosion from leaking batteries, remove
the batteries when the unit is not in use for an
extended period.
3
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