25050
PRIMETEST
PRIMETEST
OperatingInstructions
Instructions
Operating
PrimeTest 250
Operating Instructions
PRIMETEST 250
Operating Instructions
Bracken Hill
South West Industrial Estate
Peterlee
Co Durham
SR8 2SW
ENGLAND
Tel: +44(0)191 5863511
www.seaward.co.uk
sales@seaward.co.uk
service@seaward.co.uk
Part Number 382A550 Revision 3
© 2013 Seaward Electronic Ltd
1
PrimeTest 250
Operating Instructions
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 at the day of delivery.
(c) Copyright 2013
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.
2
PrimeTest 250
Operating Instructions
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.
3
PrimeTest 250
Operating Instructions
DECLARATION OF CONFORMITY
As the manufacturer of the apparatus listed, declare
under our sole responsibility that the product:
SEAWARD PrimeTest 250
To which this declaration relates are in conformity
with the relevant clauses of the following standard:
BS EN 61010-1:2010
Safety requirements for electrical equipment
for measurement, control, and laboratory use –
Part 1: General requirements.
BS EN 61010-2-30:2010
Safety requirements for electrical equipment
for measurement, control, and laboratory use –
Part 2-030: Particular requirements for testing
and measuring circuits.
BS EN 61326:2006
Electrical equipment for measurement, control
and laboratory user-EMC Requirements
Performance: The instrument operates within
specification when used under the
conditions in the above standards
EMC and Safety Standards.
The product identified above conforms to the
requirements of Council Directive 2004/108/EC and
2006/95/EC.
This Conformity is indicated by the symbol
“Conformité Européenne”
, i.e.
Seaward Electronic Ltd is registered under BS EN
ISO9001:2000 Certificate No: Q05356.
4
PrimeTest 250
1
2
3
4
5
6
7
Operating Instructions
Contents
Important Information ...................................... 6
Introduction ................................................... 13
Performing Tests ........................................... 15
3.1
Checking a mains power outlet ............ 15
3.2
Testing a Class I Appliance .................. 16
3.3
Testing a Class II Appliance.................. 21
3.4
Testing a mains cord ............................ 23
3.5
Testing an extension lead ..................... 25
3.6
Changing the Insulation Test Voltage ... 25
3.7
Changing the CLI Leakage limit............ 25
3.8
Performing an RCD test........................ 25
3.9
Performing a 3-Phase Sequence.......... 27
Specification .................................................. 29
Maintenance .................................................. 31
Battery Check................................................ 31
6.1
Battery Replacement ............................ 32
Service and Calibration ................................. 33
5
PrimeTest 250
Operating Instructions
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.
Standard Accessories
Seaward PrimeTest 250 unit
Carry Case
Black Test Lead 1m
IEC mains cord 0.5m
Operating Instructions
Operating
Mains
LeadInstructions
Part Number
382A910
71G082
44B154
300A002
382A550
382A550
44B141
Optional Accessories
Part Number
TPA 5/16 3 Phase Adaptor
TPA 5/32 3 Phase Adaptor
TPA 4/16 3 Phase Adaptor
TPA 4/32 3 Phase Adaptor
NiMH Batteries and charger
6
339A950
PrimeTest 250
Operating Instructions
Figure 1. PrimeTest 250 Front View
Figure 2. PrimeTest 250 End View
7
PrimeTest 250
Operating Instructions
Figure 3. Testing CLI appliances, no mains leakage
Figure 4. Testing CLII appliances, no mains leakage
8
PrimeTest 250
Operating Instructions
Figure 5. Testing CLI appliances, mains leakage
9
PrimeTest 250
Operating Instructions
Figure 6. Testing CLII appliances, mains leakage
10
PrimeTest 250
Operating Instructions
Figure 7. Testing IEC Leads
11
PrimeTest 250
Operating Instructions
Figure 8. Testing plug top RCD
12
PrimeTest 250
Operating Instructions
2 Introduction
The PrimeTest 250 is a hand held battery powered
unit suitable for carrying out electrical safety checks
on:
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•
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•
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•
Class I appliances
Class II appliances
IEC mains leads
Extension leads
30mA RCD
Mains outlet wiring
3-Phase appliances when used with
Seaward TPA range of 3-phase adaptors.
the
Overview
With reference to Figures 1 and 2.
1. The LCD display
2. CLI / Cord Sequence Key
3. CLII Test Sequence Key
4. Leakage Test Start Key
5. Setup Button
6. 30mA RCD Test Key
7. 3-Phase Test Sequence Key
8. Test/Mains outlet socket
9. Mains inlet socket
10. IEC Test Connection
11. Earth Continuity Test Terminal
User Interface
The LCD display shows test progress, results for
individual tests and the overall test result for an
appliance or mains cord.
Power ON/OFF = press and hold CLI and CLII
simultaneously
Class I appliance test = press the CLI key
Class II appliance test = press the CLI key
13
PrimeTest 250
Operating Instructions
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 the change the Insulation voltage while the LKGE
button can be used to change the ILEAK pass/fail
limit. 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.
14
PrimeTest 250
Operating Instructions
3 Performing Tests
Press 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
LE
NE
195V-253V
195V-253V
<30V
15
PrimeTest 250
Operating Instructions
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
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•
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 will 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 the measured value is higher than the factory
set pass/fail threshold, the measured value is
displayed and the unit indicates a fail result as
shown below and the test sequence is halted.
16
PrimeTest 250
•
Operating Instructions
If the measured value is less than the factory set
pass/fail threshold, the measured value is
displayed and the unit indicates a pass result,
as shown below.
Note:
The PrimeTest 250 can perform a
continuous Rpe measurement (max 3
minutes). Press and hold the CLI key for
approximately 5s until the unit emits a beep
and the symbol appears on the display. The
PrimeTest 250 continuously displays the
current measured value on the display and
stores the maximum value in the memory.
By pressing the CLI key 2 again, the
measurement is repeated with reversed
polarity. Press the key again to terminate
the Rpe test and display the maximum
value of RPE on the display.
•
The insulation test voltage is shown momentarily
next to the Riso enunciator.
•
The unit will proceed with the Insulation and
Leakage tests.
Note: The power switch on the appliance under
must be in the ON position to perform an
insulation test. If no appliance is detected
the PrimeTest 250 will display the
following.
17
PrimeTest 250
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•
•
Check that the appliance power switch is in the
ON position. The test will automatically proceed
if the appliance power switch is placed in the
ON position.
If the LO LOAd enunciator remains on the
display, the load presented by the appliance
may be too small for the PrimeTest 250 to
detect. In this case, press the CLI test key to
continue.
If the Insulation Resistance is greater than the
factory set limit a tick is placed next to the Riso
enunciator. If the Insulation Resistance is less
than the set limit a cross is placed next to the
Riso enunciator, the FAIL enunciator is
displayed and the test sequence is halted.
Note:
•
Operating Instructions
If a mains supply is detected, the
PrimeTest 250 will perform a differential
leakage test. If the PrimeTest 250 does not
detect a mains supply then the PrimeTest
250 will perform a substitute leakage test.
If a substitute leakage test is performed then the
PrimeTest 250 will start the test without the
need for user intervention. If the substitute
leakage is less than the factory set limit a tick is
placed next to the Iea enunciator.
18
PrimeTest 250
•
Operating Instructions
If a differential leakage test is performed then
the test PrimeTest 250 will prompt the user to
start the Leakage test by flashing the Ileak icon.
If no key is pressed the PrimeTest 250 will
timeout and return to the start screen.
Note: If the LKGE key is pressed momentarily the
differential test duration is 5s.
If the LKGE key is pressed and held for 2s
the differential test duration is 30s.
When the duration is set to 30s, the test
can be terminated at any time by pressing
the LKGE key.
•
When the LKGE key is pressed to start the
differential leakage test the PrimeTest 250 will
check the incoming mains supply to ensure that
the voltages are correct. The enunciators are
displayed if there is an error with the connected
mains supply:
LN
Flash
OFF
•
LE
Flash
Flash
NE
OFF
Flash
Mains status
No mains
Earth fault or Live
and Neutral reverse
If the mains voltage is correct, the PrimeTest
250 will proceed with the differential leakage
test.
19
PrimeTest 250
•
•
Operating Instructions
If the Differential Leakage is less than the factory
set limit a tick is placed next to the Ileak
enunciator.
If all of the tests within the sequence have
passed then the PASS enunciator is illuminated.
20
PrimeTest 250
3.3
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•
Operating Instructions
Testing a Class II 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 CLII test key
The display will momentarily show the insulation
test voltage before proceeding with the test.
Note: The power switch on the appliance under
must be in the ON position to perform an
insulation test. If no appliance is detected
the PrimeTest 250 will display the
following.
21
PrimeTest 250
•
•
•
Operating Instructions
Check that the appliance power switch is in the
ON position. The test will automatically proceed
if the appliance power switch is placed in the
ON position.
If the LO LOAd enunciator remains on the
display, the load presented by the appliance
may be too small for the PrimeTest 250 to
detect. In this case, press the CLII test key to
continue.
The PrimeTest 250 will perform an Insulation
test. If the Insulation Resistance is greater than
the factory set limit a tick is placed next to the
Riso enunciator. If the Insulation Resistance is
less than the set limit a cross is placed next to
the Riso enunciator, the FAIL enunciator is
displayed and the test sequence is halted.
Note:
If a mains supply is detected, the
PrimeTest 250 will perform a touch leakage
test. If the PrimeTest 250 does not detect a
mains supply then the PrimeTest 250 will
perform a substitute leakage test.
•
If a Substitute Leakage test is performed then
the PrimeTest 250 will start the test without the
need for user intervention. If the Substitute
Leakage is less than the factory set limit a tick is
placed next to the Iea enunciator.
•
If a touch leakage test is performed then the test
PrimeTest 250 will prompt the user to start the
Leakage test by flashing the Ileak icon. If no key
22
PrimeTest 250
Operating Instructions
is pressed the PrimeTest 250 will timeout and
return to the start screen.
Note: If the LKGE key is pressed momentarily the
touch leakage test duration is 5s
If the LKGE key is pressed and held for 2s
the touch leakage test duration is 30s.
When the duration is set to 30s, the test
can be terminated at any time by pressing
the LKGE key.
•
When the LKGE key is pressed to start the
touch leakage test the PrimeTest 250 will check
the incoming mains supply to ensure that the
voltages are correct. The enunciators are
displayed if there is an error with the connected
mains supply:
LN
Flash
OFF
•
•
•
3.4
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•
•
LE
Flash
Flash
NE
OFF
Flash
Mains status
No mains
Earth fault or Live
and Neutral reverse
If the mains voltage is correct, the PrimeTest
250 will proceed with the touch leakage test.
If the touch leakage is less than the factory set
limit a tick is placed next to the Ileak enunciator.
If all of the tests within the sequence have
passed then the PASS enunciator is illuminated.
Testing a mains cord
Visually inspect the mains cord and plug for
signs of damage.
Check that the correct fuse is fitted.
If the cord passes a visual inspection proceed
with the electrical tests.
Plug the mains cord under test into the IEC
socket and the front panel test/mains socket on
the PrimeTest 250.
Press the CLI test key
23
PrimeTest 250
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Operating Instructions
The PrimeTest 250 will first test the continuity of
the protective earth.
If the measured value is greater than the factory
set limit a cross is placed next to the RPE
enunciator, a FAIL is indicated and the test
sequence will be halted.
If the measured value is less than the factory set
limit a tick is placed next the RPE enunciator.
The unit will proceed with the Insulation test.
If the Insulation Resistance is lower than the
factory set limit a cross is placed next to the
Riso enunciator and the test sequence is halted.
If the Insulation Resistance is greater than the
factory set limit a tick is placed next to the Riso
enunciator. If the Insulation Resistance is less
than the set limit a cross is placed next to the
Riso enunciator, the FAIL enunciator is
displayed and the test sequence is halted.
The unit will proceed with the wiring test,
checking the live and neutral conductors for
short or open circuit and reverse connections
If the wiring is correct a tick is placed next to the
cord enunciator, the GOOd enunciator is
illuminated and a PASS is indicated for the
sequence.
Note: If the tested cord has a wiring fault, one of
the following enunciators will be illuminated in
place of GOOd
•
OPEn indicates that either the live or
neutral conductor is broken (open circuit)
24
PrimeTest 250
•
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3.5
Operating Instructions
Shor indicates that the live and neutral
conductors are shorted together
CrOS indicates that the live and neutral
conductors are reversed
Testing an extension lead
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Visually inspect the mains cord and plug for
signs of damage.
Check that the correct fuse is fitted.
If the cord passes a visual inspection proceed
with the electrical tests.
Plug the supplied 0.5m IEC lead into the IEC
socket and into a mains outlet on the extension
lead. Plug the mains plug of the extension lead
into the front panel mains socket on the
PrimeTest 250.
The extension lead can now be tested in the
same manner as an IEC as described above.
•
3.6 Changing the Insulation Test Voltage
The Insulation test performed in the CLI and CLII
test sequences can be changed to 250V for
appliances with MOVs which would fail an Insulation
test performed at 500V.
In order to change the Insulation voltage press the
SETUP button to enter setup mode. Once in setup
mode press the CLII button, the selected insulation
voltage will be displayed next to the Riso
enunciator.
To Leave setup mode press the SETUP button.
3.7 Changing the CLI Leakage limit
The CLI Leakage pass/fail limit can be changed
between 0.75mA and 3.5mA.
In order to change the Leakage limit press the
SETUP button to enter setup mode. Once in setup
mode press the LKGE button, the selected pass/fail
limit will be displayed next to the Ileak enunciator.
To Leave setup mode press the SETUP button.
3.8 Performing an RCD test
The PrimeTest 250 can be used to measure the
operating time of an RCD.
25
PrimeTest 250
Operating Instructions
When plugging the mains lead into the
PrimeTest 250 plus ensure that the polarity
orientation of the connector is correct. DO
NOT FORCE THE PLUG INTO THE
CONNECTOR. Doing so may damage the
PrimeTest 250.
The test configuration depends upon the type under
test:
a) Portable RCD
Connect the portable RCD under test to a non RCD
protected mains outlet. If the mains outlet is part of
an RCD protected circuit, an isolation transformer
will be required. Connect the PrimeTest 250 mains
lead to the mains inlet socket of the PrimeTest 250
and mains outlet of the RCD.
b) Circuit RCD
Connect the PrimeTest 250 mains lead to the mains
inlet socket of the PrimeTest 250 and a mains outlet
on the RCD protected circuit.
To test the RCD operating time press the 30mA
RCD test key.
The mains supply status is checked and the status
is indicated using the LN, LE and NE enunciators of
the LCD.
LN
Flash
OFF
LE
Flash
Flash
NE
OFF
Flash
Mains status
No mains
Earth fault
The operating time of the RCD will be shown on the
PrimeTest 250 display.
The PrimeTest 250 will alternate between 0o and
180o in between tests. It is essential that two RCD
tests are performed in order to cover both 0o and
180o conditions.
26
PrimeTest 250
Operating Instructions
3.9 Performing a 3-Phase Sequence
The PrimeTest 250 can be used to measure Rpe
and earth leakage current on 3 phase equipment
when used with the optional 3 phase adaptor
accessory.
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•
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Visually inspect the appliance and mains cord
for signs of damage.
If the appliance passes a visual inspection
proceed with the electrical tests.
Refer to the documentation supplied with the 3
phase adaptor and connect the adaptor in line
with the 3 phase equipment under test.
Connect the 3 phase adaptor test lead to the
mains input socket 9 on the PrimeTest 250.
Connect the Rpe test probe to an exposed
conductive part on the 3 phase equipment.
Press the 3 phase key on the PrimeTest 250 to
being the test.
If there is a contact voltage present on the
conductive parts of the equipment under test,
the test is terminated and a Volt on test Probe
warning message is shown on the display.
Otherwise, the PrimeTest 250 will proceed with
the Rpe measurement, reverse the test current
and then repeat the measurement. The highest
measured value that occurred during the two
tests is displayed for approximately 2s.
Note: There is no factory programmed test limit
for the 3 phase Rpe measurement and so
no tick or cross is displayed.
•
The PrimeTest 250 will then display the current
flowing in the protective conductor of the 3
phase supply.
27
PrimeTest 250
•
Operating Instructions
The 3-Phase leakage test will run for 30 seconds
but can be stopped earlier by pressing the
3-Phase button.
Note: If the 3-Phase key is pressed while no
adaptor is connected to the PrimeTest 250
plus then a warning message PLUG IN 3 PH
ADPTR will be displayed.
28
PrimeTest 250
Operating Instructions
4 Specification
Earth Continuity
Display Range
Measuring Range
Accuracy
Test current
Test voltage
0.01ohms to 19.99ohms
0.05ohms to 19.99ohms
± (5% + 2 digits)
200mA minimum
6V nominal
Insulation resistance
Display Range
Measuring Range
Accuracy
Test voltage
Test current
Test current
0.01Mohms to 19.99Mohms
0.10Mohms to 19.99Mohms
± (5% + 2 digits)
250V / 500V
>1mA
<2mA into 2k
Substitute Leakage Current
Display Range
0.10mA to 19.99mA
Measuring Range 0.25mA to 19mA
Accuracy
± (5% + 2 digits)
Test voltage
40V rms, 50Hz AC
Test current
<10mA into 2k
Differential Leakage Current
Display Range
0.15mA to 19.99mA
Measuring Range 0.25mA to 19mA
Accuracy
± (5% + 2 digits)
Test voltage
mains voltage, 50Hz AC
Touch Leakage Current
Display Range
Measuring Range
Accuracy
Test voltage
0.10mA to 3.5mA
0.10mA to 1.99mA
± (5% + 2 digits)
mains voltage, 50Hz AC
3-Phase Leakage Current
Display Range
0.10mA to 9.99mA
Measuring Range 0.25mA to 9.99mA
Accuracy
± (5% + 2 digits)
Test voltage
mains voltage, 50Hz AC
29
PrimeTest 250
Operating Instructions
Cord Test
Earth continuity, insulation resistance as above.
Check for Live and Neutral open circuit, short
circuit or reversed polarity.
RCD Test
Display Range
Measuring Range
Accuracy
Test Current
Current Accuracy
0ms to 500ms
10ms to 500ms
± 2ms
30mA
-0, +10%
Factory Set Pass/Fail limits
Class I
Class II
Cord
3-Phase
Earth
Continuity
0.2 ohms
n/a
0.2 ohms
0.2 ohms
Insulation
Resistance
1.0Mohm
2.0Mohm
1.0Mohm
1.0Mohm
Leakage
0.75 / 3.5
0.25mA
n/a
3.5mA
Environmental rating
IP Rating IP40
Operating temperature range 0°C to 40°C, without
moisture condensation.
Storage temperature range –25° to 65°.
Note: Batteries should be removed prior to
storage.
Overvoltage category 300V CAT II
30
PrimeTest 250
Operating Instructions
5 Maintenance
Clean only with a dry cloth; do not use solvents.
Before use, ensure unit is clean and dry; visually
inspect all leads, connectors, and case. Any
damage or wear must be rectified to preserve user
safety.
Check the battery contacts and compartment are
free of electrolytic contamination.
Any contamination of the battery contacts or
compartment should be cleaned with a dry cloth.
Note: The PrimeTest 250 contains no user
serviceable parts. If an Error warning should appear
on the display please contact the manufacturer or
an authorised Seaward Service Agent for advise.
6 Battery Check
The PrimeTest 250 is powered from a 6 AA cells
which are checked before a test is performed. When
the battery voltage is low the
enunciator is
illuminated. The unit will continue to perform within
specification for a limited number of tests,
dependent upon the type of the batteries fitted.
When the battery voltage reaches a level where the
performance is affected the
enunciator will
flash and all test keys are disabled. The batteries
must be replaced.
31
PrimeTest 250
6.1
Operating Instructions
Battery Replacement
Before opening the PrimeTest 250 ensure
that all test leads are disconnected.
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•
•
•
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•
Switch off the unit by pressing and holding
the CLI and CLII keys.
Disconnect all leads from the PrimeTest
250.
Place the PrimeTest 250 face down and
release the captive screw in the battery
compartment cover.
Remove the battery compartment cover and
remove the discharged batteries.
Insert the replacement batteries into the
battery compartment ensuring that the
battery polarity matches the marking on the
inside of the battery compartment.
Relocate the battery cover over the battery
compartment and fasten in position with the
battery cover captive screw.
32
PrimeTest 250
Operating Instructions
7 Service and Calibration
To maintain the specified accuracy of the
measurement results, the instrument must be
recalibrated at regular intervals by either the
manufacturer or an authorised service agent. We
recommend a recalibration period of one year.
For help or advise on Service and Calibration
contact:
33
PrimeTest 250
Operating Instructions
34
25050
PRIMETEST
PRIMETEST
OperatingInstructions
Instructions
Operating