PROVING UNITS
Instruction
Manual
PD430
PD440
PD690
PD700
PD710
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 3
2.1 Inspection 3
2.2 Description 3
2.3 Accessories 4
2.4 Battery Installation 4
3 Operation 5
3.1 Proving Unit LED Indications 5
3.2 Using the External Power Socket 5
3.3 Proving a Test Lamp, Voltage Tester/Indicator, DMM, etc. 7
3.4 Test Lamp, Voltage Tester/Indicator Cables 7
4 Maintenance 8
4.1 Battery Replacement 8
4.2 Cleaning 8
4.3 Repair and Service 8
4.4 Storage Conditions 9
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)
Equipment complies with relevant EU Directives
End of life disposal of this equipment should be in
accordance with relevant EU Directives
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Specifications
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.
Before use check the unit for cracks or any other damage. Make
sure the unit is free from dust, grease and moisture. Also check any
associated accessories for damage. Do not use if damaged.
Do not use if the battery cover is not fitted.
Do not apply greater than 12V DC to the external power socket.
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.
Limit the test time to less than 10 seconds.
Do not short the output terminals.
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2. INTRODUCTION
2.1 Inspection
Examine the shipping carton for any sign of damage. Inspect the unit
and any accessories for damage. If there is any damage then consult
your distributor immediately.
2.2 Description
PD430 & PD440
The PD430 & PD440 are portable battery powered proving units for
the testing of contact type voltage detectors up to 440V.
The PD430 is a dual voltage proving unit which generates 50V at
50Hz for 3 seconds and then generates 440V at 50Hz. The PD440
generates 440V only at 50Hz.
Low
Voltage
LED
Model
PD430
PD440
PD690
PD700
PD710
Low
High
Voltage
Voltage
Frequency
50V 440V 50Hz
440V 50Hz
700V 50Hz
50V 700V 50Hz
700V DC
Output
2.3 Accessories
All units come with the following accessories:
6 x 1.5V AA alkaline batteries
Instructions
Low
High
High
Battery
Current
Voltage
LED
Neon
LED
PD690 & PD700
The PD690 & PD700 are portable battery powered proving units for
the testing of contact type voltage detectors up to 700V.
The PD700 is a dual voltage proving unit which generates 50V at
50Hz for 3 seconds and then generates 700V at 50Hz. The PD690
generates 700V only at 50Hz.
PD710
The PD710 is a portable battery powered proving unit for the testing of
contact type voltage detectors up to 700V.
The PD710 generates 700V DC only.
3. OPERATION
Caution
Always make sure the precautions and limitations of the unit being
tested are observed. If necessary refer to the specification of the
unit being tested.
Accessories not included:
PSUPD230 - mains powered 12V DC power supply
PSUHPAT12 - 12V DC in car fused charger adaptor
2.4 Battery Installation
Refer to Section 4.1 (Battery Replacement) for the battery installation
instructions for all units.
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Also refer to the graph of typical output voltage under various load
conditions at the rear of these instructions.
3.1 Proving Unit LED indications
LED Proving unit model No. LED illumination indicates
Low Voltage PD430 & PD700
High Voltage All models
Low Battery All models
High Current * PD700
50V output at proving unit
terminals for approx. 3 seconds
High voltage output at proving
unit terminals
Proving unit batteries are low
Replace batteries
UUT current consumption
> 5mA
* Typically Martindale voltage indicators draw < 3.5mA but other
manufacturers’ instruments may vary.
3.2 Using the External Power Socket
An external power jack socket is provided, allowing the use of an
external 12V DC power source instead of the internal batteries.
Remove the rubber shroud from the jack socket access hole, and
plug in a 12V DC source (2A minimum) using a 2.5mm jack plug
(centre positive).
External power
socket
If internal batteries are fitted they will be disconnected by the
insertion of the jack plug. If however, the internal batteries are not
the intended primary power source, it is advisable to remove them
to prevent damage from leaking batteries.
It is advisable to replace the rubber shroud after use to prevent the
ingress of dust and moisture.
Two suitable units available from Martindale Electric for providing
external power are the:
PSUPD230, a mains powered, 12V DC power supply;
PSUHPAT12, a12V DC in car fused adaptor.
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