Seaward PrimeTest 250+ User manual

Operating Instructions

PrimeTest 250+ Operating Instructions
1
Operating Instructions
Bracken Hill
South West Industrial Estate
Peterlee
Co Durham
SR8 2SW
ENGLAND
Tel: [phone]
www.seaward.com
[email protected]
[email protected]om
Part Number 403A556 Revision 5
© 2020 Seaward Electronic Ltd

PrimeTest 250+ Operating Instructions
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Limited Warranty & Limitation of Liability
SEAWARD Electronic Limited guarantees this
product to be free from defects in material and
workmanship under normal use and service for a
period of 1 year. The period of warranty will be
effective from the day of delivery.
24 Month Warranty Statement
Seaward provides a standard 12-month
manufacturer’s warranty against breakdown during
normal use. This warranty can be upgraded to a 24-
month warranty by registering your product with
Seaward within 30 days of purchase and having it
calibrated at an authorised service centre within 13
months of purchase.
For full terms and conditions or to register your
product, please visit our website:
www.seaward.com/warranty24
(c) Copyright 2020
All rights reserved. Nothing from this edition may be
multiplied, or made public in any form or manner,
either electronically, mechanically, by photocopying,
recording, or in any manner, without prior written
consent from SEAWARD Electronic Limited. This
also applies to accompanying drawings and
diagrams.
Due to a policy of continuous development
SEAWARD Electronic Limited reserves the right to
alter the equipment specification and description
outlined in this publication without prior notice and no
part of this publication shall be deemed to be part of
any contract for the equipment unless specifically
referred to as an inclusion within such contract.

PrimeTest 250+ Operating Instructions
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Disposal of old product
This product has been designed and manufactured
with high quality materials and components that can
be recycled and reused.
When this symbol is attached to a product it means
the product is covered by the European Directive
2012/19/EU.
Please familiarise yourself with the appropriate local
separate collection system for electrical and
electronic products.
Please dispose of this product according to local
regulations. Do not dispose of this product along with
normal waste material. The correct disposal of this
product will help prevent potential negative
consequences for the environment and human
health.

PrimeTest 250+ Operating Instructions
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Contents
1Important Information.......................................5
2Introduction.....................................................16
3Performing Tests............................................18
3.1 Checking a mains power outlet .............18
3.2 Testing a Class I Appliance...................19
3.4 Testing a mains cord .............................27
3.5 Testing an extension lead......................28
3.6 Changing the Insulation Test Voltage ...29
3.7 Performing an RCD test on an
installation RCD.....................................30
3.8 Performing an RCD test on a Plug top
RCD.......................................................31
3.9 Performing a 3-Phase Sequence ..........32
4Memory & Print Functions..........................34
4.1 Saving Test Results...............................34
4.2 Viewing Test Results.............................34
4.3 Deleting Test Results ............................34
4.4 Transferring Test Results ......................35
4.5 Printing Test Results .............................35
4.6 Setting the Real Time Clock..................36
5Specification...................................................37
6Maintenance...................................................39
7Battery Check.................................................39
7.1 Battery Replacement.............................40
8Fuse Replacement.....................................41
9Service and Calibration..................................42

PrimeTest 250+ Operating Instructions
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1 Important Information
These operating instructions are intended for the use
of adequately trained personnel.
The following symbols are used in these operating
instructions and on the PrimeTest 250+.
Caution, risk of electric shock.
Indicates instructions must be followed to
avoid danger to persons.
Caution, risk of danger. The operating
instructions must be adhered to in order
to avoid danger.
Before use, ensure unit is clean and dry; visually
inspect all leads, connectors, and case. Any damage
or wear must be rectified prior to use.
If the PrimeTest 250+ is used in a manner
not specified by these operating
instructions then the protection provided
may be impaired.
Always ensure that the circuit or
appliance under test is electrically
isolated.
The PrimeTest 250+ and all associated
cables and leads must be checked for
signs of damage before equipment is
operated. Do not use if there are signs of
damage. Only use the correct leads
supplied with the PrimeTest 250+.
Do not touch test probes beyond the hand
barrier on the test probe.

PrimeTest 250+ Operating Instructions
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The PrimeTest 250+ may apply high
voltage or mains power to the appliance
under test. Do not touch conductive parts
of the appliance while tests are active.
If the PrimeTest 250+ is being used to
determine the presence or absence of
hazardous voltages, always prove the
operation of voltage measurement
function before and after use by means of
a known voltage source or proving unit.
Do not operate the PrimeTest 250+ in an
explosive gas or dust environment.
The PrimeTest 250+ has been designed to
make measurements in a dry
environment.
Do not open the PrimeTest 250+, no user
serviceable parts.
Note: Data may be lost or altered in virtually
any electronic memory under certain
circumstances. Therefore Seaward
Electronic assumes no responsibility for
financial losses or claims due to data lost
or otherwise rendered unusable whether
as a result of abuse, improper use,
defects, disregard of operating
instructions or procedures, or any allied
causes.

PrimeTest 250+ Operating Instructions
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Standard Accessories
Part Number
Carry Case
71G082
Black Test Lead 1m
305A950
IEC mains cord 0.5m
300A002
USB download lead
396A972
Support CD
403A759
Operating Instructions
403A556
Optional Accessories
Part Number
Test n Tag Pro Printer (serial)
339A933
Test n Tag label roll (400 labels)
339A947
Pass Labels (1000 labels)
91B038
Fail Labels (1000 labels)
91B311
PAT Log Book
998A223
PATGuard 3
400A910
230-110V adapter
270A076
3 Phase Adaptor 5/16
209A911
3 Phase Adaptor 5/32
209A913
3 Phase Adaptor 4/16
209A910
3 Phase Adaptor 4/32
209A912
3 Phase Leakage Adapter 5/16
391A920
3 Phase Leakage Adapter 5/32
391A910
NiMH Batteries and charger
339A950
PATGuard 3 can be trialled and purchased online
from the below web address:
www.seaward.com/pg3
Part Number
PrimeTest 250+ unit
403A910

PrimeTest 250+ Operating Instructions
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Figure 1. PrimeTest 250+ Front View

PrimeTest 250+ Operating Instructions
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Figure 2. PrimeTest 250+ End View
Figure 3. Testing CLI appliances, no mains leakage

PrimeTest 250+ Operating Instructions
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Figure 4. Testing CLII appliances, no mains leakage

PrimeTest 250+ Operating Instructions
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Figure 5. Testing CLI appliances, mains leakage

PrimeTest 250+ Operating Instructions
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Figure 6. Testing CLII appliances, mains leakage

PrimeTest 250+ Operating Instructions
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Figure 7. Testing IEC Leads

PrimeTest 250+ Operating Instructions
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Figure 8. Testing Installation RCD

PrimeTest 250+ Operating Instructions
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Figure 9. Testing Plug Top RCD

PrimeTest 250+ Operating Instructions
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2 Introduction
The PrimeTest 250+ is a hand held battery powered
unit suitable for carrying out electrical safety checks
on:
•Class I appliances
•Class II appliances
•Class II FE
•IEC mains leads
•Extension leads
•30mA Plug-top RCDs
•30mA Installation RCDs
•Mains outlet wiring
•3-Phase appliances when used with the
Seaward TPA range of 3-phase adaptors.
Overview
With reference to Figures 1 and 2.
1. Save Key
2. Recall Key
3. Print Key
4. CLI / Cord Sequence Key
5. CLII Test Sequence Key
6. Leakage Test Start Key
7. Setup Button
8. RCD Test Key
9. 3-Phase Test Sequence Key
10. LCD
11. Test/Mains outlet socket
12. USB Interface
13. IEC Test Connection
14. Mini DIN Printer Interface
15. Earth Continuity Test Terminal
16. Mains inlet socket
User Interface
The LCD display shows test progress, results for
individual tests and the overall test result for an
appliance or mains cord.

PrimeTest 250+ Operating Instructions
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Power ON/OFF = press and hold the CLI and CLII
keys simultaneously
Class I appliance test = press the CLI key
Class II appliance test = press the CLII key
Cord / extension lead test = press the CLI key
Enter Setup Mode = press the setup key
Once in the setup mode the CLII button can be
used to change the Insulation resistance test voltage
while the Class I button can be used to change
the earth continuity. To leave the setup mode press
the setup button .
30mA RCD test = press the 30mA RCD key
3 phase appliance test = press the 3 phase key
Note: The PrimeTest 250+ will automatically
switch OFF after approximately 1 minute if no
keys are pressed.
Note: When a key is pressed to initiate a test
sequence, the PrimeTest 250+ will compare the
type of appliance connected with the test
sequence that has been selected, and where
possible, will prompt the user if an inappropriate
test has been selected.
For example, if an IEC lead is connected between
the front panel mains socket and the IEC socket
on the end panel and a CLI appliance test is
selected, the PrimeTest 250+ will flash the Cord
test enunciator to indicate that the Cord test is
the most appropriate test.
8
9

PrimeTest 250+ Operating Instructions
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3 Performing Tests
Press the CLI and CLII keys simultaneously to
switch on the PrimeTest 250+. When the unit is
ready the display will be as shown below.
3.1 Checking a mains power outlet
Connect PrimeTest 250+ mains lead to the mains
inlet socket and to the power outlet to be tested.
Each time mains voltage is detected, the line-neutral,
line-earth and neutral-earth voltages will be
displayed for 2s as shown below.
If the voltages are within the acceptable limits shown
below, a tick is shown next to the enunciator.
LN
195V-253V
LE
195V-253V
NE
<30V

PrimeTest 250+ Operating Instructions
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After 2s the display will return to the start up screen.
If the mains voltage is incorrect then the PrimeTest
250+ will remain in voltage mode until the voltage is
corrected or removed.
3.2 Testing a Class I Appliance
•Visually inspect the appliance and mains cord for
signs of damage.
•If the appliance passes a visual inspection
proceed with the electrical tests.
•Plug the earth test lead into the Earth Continuity
Test Terminal on the PrimeTest 250+ end panel.
•Plug the appliance into the PrimeTest 250+ front
panel test/mains outlet socket.
•Connect the earth test probe to an exposed
metal part on the appliance.
•If the appliance under test has an ON/OFF
switch, make sure it is in the ON position.
•Press the CLI test key
•The PrimeTest 250+ will now perform a
measurement of the protective earth continuity,
reverse the test current and repeat the
measurement. The highest measured value that
occurred during the two tests is displayed.
•If you are testing a Class I item with no exposed
earthed parts an option to accept the high
continuity measurement is given. When the
continuity test fails you can long press key
and the continuity and show as NC (not
checked) on the result screen.
•If the continuity measurement is greater than the
set limit but <0.5ohms then the PrimeTest 100
will ask whether a long lead is attached. Press
the key to record the result as a pass or the
key to record a fail.