Seaward PowerTest 200 User manual

TESTED. TRUSTED… WORLDWIDE
PowerTest 200
USER MANUAL

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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, provided the instrument is serviced and
calibrated by an authorised agent in accordance with the manufacturer’s instructions. The period of
warranty will be effective at the day of delivery.
Manufacturer does not provide any warranty for the following:
• Any normal wear and tear.
• Errors or damage caused by: (i) misuse or not using your product in accordance with the user
guide, such as if the product has been exposed to moisture, to dampness or to extreme thermal
or environmental conditions or to rapid changes in such conditions, to corrosion, to oxidation, to
spillage of food or liquid or to influence from chemical products, (ii) using your product with, or
connecting it to, any product, accessory, software, or service not manufactured or supplied by the
manufacturer, (iii) any products combined with your product by a third party, (iv) damage or
errors caused by hacking, cracking, viruses, or other malware, or by unauthorised access to
services, accounts, computer systems or networks; or (v) other acts beyond the manufacturer’s
reasonable control.
This warranty is not valid:
• If your product, or the software it runs on, has been (i) opened, modified, or repaired without the
manufacturer’s authorisation, or (ii) repaired with unauthorised spare parts;
• If you have not installed the latest software updates that are publicly available for your product
within a reasonable time of their release; or
• If you refuse to give possession of the product to the manufacturer for repair and investigation.
(c) Copyright 2019
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.

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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.
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.

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TABLE OF CONTENTS
Limited Warranty & Limitation of Liability 2
Introduction 6
1. User Notes 6
2. Safety Notes 6
3. Accessories 7
3.1. Standard Accessories 7
3.2. Optional Accessories 8
4. Unit Description 8
4.1. Identifying parts of the unit 8
4.2. LCD display 9
5. Using the PowerTest 200 10
5.1. Power On 10
5.2. Battery Health Check 10
5.3. Remote probe 10
5.4. Continuity Tests 10
5.5. Insulation Resistance Tests 11
5.6. Voltage Measurement and Phase Rotation 13
5.7. High Current Earth Loop Impedance / Line Impedance 14
5.8. Non trip Earth Loop Impedance / Line Impedance 16
5.9. Auto RCD Test Sequence 17
5.10. RCD Trip Time Tests 19
5.11. RCD trip current (Ramp) Tests 21
6. Electrical Specifications 22
6.1. Earth Continuity 22
6.2. Insulation Resistance 22
6.3. Earth Loop Impedance 23
6.4. Line Impedance 23
6.5. RCD 23
6.6. Voltage/Frequency Measurement 24

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7. Environmental Conditions 24
8. Maintenance 24
8.1. Preparing to work on the PowerTest 200 24
8.2. Securing the PowerTest 200 24
8.3. Cleaning 25
8.4. Battery Replacement 25
8.5. Replacing the fuse 25
8.6. Service and Calibration 26
8.7. Spare Parts 26
Appendix A 27

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INTRODUCTION
!
The PowerTest 200 is a hand held, battery powered, multi-function electrical installation test instrument
capable of performing a comprehensive range of tests, including:
Earth Continuity @ 200mA!
Insulation Resistance at 250V, 500V and 1000V
Voltage
Frequency
Phase rotation
RCD Trip Time at ½I∆n, I∆n, 2I∆n and 5I∆n
RCD Trip current
Non trip Zs and PFC measurement on RCD protected circuits
High current Ze and PFC on non RCD protected circuits
Phase to neutral impedance and PSC
Phase to phase impedance and PSC
Power socket wiring polarity
1. User Notes
This instrument and its operating instructions are intended for use by adequately trained personnel.
The following symbols are used in these operating instructions and on the PowerTest 200.
Warning of electrical danger!
Indicates instructions must be followed to avoid danger to persons.
Important, follow the documentation!
This symbol indicates that the operating instructions must be adhered to in order to avoid
danger.
2. Safety Notes
This PowerTest 200 is fully compliant with the requirements of:
AS/NZS3017
BS EN 61010-1: 2010
BS EN 61010-2-30:2010
BS EN 61557 part 1, 2, 3, 4, 6, 7 and 10.
In order to ensure safe operation of this instrument, all notes and warnings in these instructions must
be observed at all times.

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The PowerTest 200 has been designed to make measurements in a dry environment.
The PowerTest 200 may be used to test circuits with a maximum over-voltage Category III, 300 V
AC/DC with reference to earth.
High voltages are present at the probe tips of the PowerTest 200 during insulation resistance
measurement. Always hold test probes above the hand guards.
The PowerTest 200 and all associated cables and leads must be checked for signs of damage
before equipment is operated.
Prior to any resistance measurement, always ensure that the circuit under test is electrically isolated.
Where safe operation of the PowerTest 200 is no longer possible it should be immediately shut down and
secured to prevent accidental operation.
It must be assumed that safe operation is no longer possible:
• If the instrument or leads show visible signs of damage or
• the instrument does not function or
• after long periods of storage under adverse environmental conditions
If the PowerTest 200 is used in a manner not specified by this document then the protection
provided by the equipment may be impaired.
3. Accessories
3.1. Standard Accessories
The PowerTest 200 is supplied with the following items:
• PowerTest 200 unit
• Padded neck strap
• Professional carry case
• Mains lead
• 1.2 M black test lead
• 1.2 M red test lead
• 1.2 M green test lead
• Black crocodile clip
• Red crocodile clip
• Green crocodile clip
• Remote probe with test button
• MN1500 (AA) 1.5v Batteries x 6
• Spare 1.6A 1000V HRC FF Fuse
• User Manual
• Calibration certificate

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3.2. Optional Accessories
1.6A 1000V HRC FF Fuse
Do not open unit, no other serviceable parts
4. Unit Description
The PowerTest 200 is a hand held, multi-function electrical installation test instrument, capable of
performing all of the required electrical tests. Tests are selected using the rotary switch.
4.1. Identifying parts of the unit
1) Rotary Switch
a.
Voltage, Frequency and Phase Rotation
b.
Insulation resistance @ 1000V
c.
Insulation resistance @ 500V
d.
Insulation resistance @ 250V
e.
Continuity @ 200mA
f.
Off
g.
High current Ze/Zs and PSC/PFC
h.
Non-trip Zs and PFC
i.
Auto RCD sequence
j.
RCD trip time @ ½I∆n
k.
RCD trip time @ I∆n
l.
RCD trip time @ 5I∆n + 2I∆n
m.
RCD trip time (ramp test)
2) LCD Display
3) Function keys F1, F2, F3 and F4
4) TEST key
5) Test lead input (RED)
6) Test lead input (GREEN)
7) Test lead input (BLACK)
Note: The function performed by keys F1 – F4 depends upon the rotary switch position. For each rotary
switch position, the left hand side of the LCD display indicates the function of the key above with the
exception of F3 when on the x5 RCD scale which changes between the x2 and x5.

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4.2. LCD display
1. Icons for function key F1. These icons are used to display the available options for the selected test.
Repeatedly pressing function key F1 cycles through the available options.
2. Icons for function key F2. These icons are used to display the available options for the selected test.
Repeatedly pressing function key F2 cycles through the available options.
3. Icons for function key F3. These icons are used to display the available options for the selected test.
Repeatedly pressing function key F3 cycles through the available options.
4. Icons for function key F4. These icons are used to display the available options for the selected test.
Repeatedly pressing function key F4 cycles through the available options.
5. Zs/Ze progress indicator.
6. RCD test icons. These icons display the selected RCD test function.
7. RCD status. Indicates when the RCD has tripped during an RCD test.
8. Phase sequence indicator.
9. Battery status indicator. Shows the amount of charge in the batteries.
10. Secondary display.
11. Primary display.
12. Mains supply status icons. These icons indicate the status of the mains supply between line and earth
(L-PE), line and neutral (L-N) and neutral and earth (N-PE) during RCD and Loop tests.
Note: Testing is inhibited if the mains supply is incorrect.
13. Warning Icons. These icons are used to inform the user of the potential of any hazard or warning which
may restrict the operation of the PowerTest 200. Details are provided in the relevant parts of these
operating instructions.
14. Fuse warning. Indicates if the internal fuse has blown.

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5. Using the PowerTest 200
5.1. Power On
To turn the PowerTest 200 on simply rotate the rotary switch to the required test position.
5.2. Battery Health Check
The PowerTest 200 will automatically perform battery health checks periodically or when a new test
type is selected.
Note: When the battery symbol is flashing all tests will be inhibited and the batteries should be replaced as
described in section 8.4.
5.3. Remote Probe
The remote probe can be used in place of the standard 4mm red test lead. When the remote probe is
connected, the TEST button on the probe performs the same function as the TEST key on the PowerTest 200.
Either TEST button can be used to initiate a measurement.
5.4. Continuity Tests
Always ensure that the circuit under test is electrically isolated.
Measurements can be adversely affected by impedances of additional operating circuits connected
in parallel or by transient currents.
If the test probes are connected across a voltage of >30V AC/DC then the PowerTest 200 will
automatically display the voltage between the probes, the warning buzzer will sound and the TEST
key is inhibited.
Figure 2 – Continuity

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Rotate the rotary switch until the Continuity test is selected.
When the continuity test is selected, the PowerTest 200 will display the user selectable test options for
approximately 1 second; Buzzer, Lead Zero and Auto Start. If the Buzzer or Lead Zero was previously enabled
then the icon will remain on the display when the continuity test is selected.
Functions keys F1-F4 have are used to select the options below:
F1 Buzzer
When enabled, the Buzzer will sound when the continuity measurement is less than 20 ohms.
F2 Not used
F3 Lead zero
The instrument can automatically compensate for the resistance of the test leads as follows:
Fit the supplied crocodile clips to the red and black test probes and connect the test probes firmly together.
Press and hold the Lead Zero (F3). The measured resistance of the test leads is shown in the primary display
until a beep is heard and the Lead Zero icon is shown on the display. All subsequent measurements will
automatically include compensation for the test lead resistance until the function is disabled by pressing
function key F3.
Note: A maximum test lead resistance of 10 ohms can nulled out. If the test lead resistance is greater than
10 ohms an error beep will indicate that the Lead Zero function has failed and the display icon will not be
shown.
Note: For ease of use, the PowerTest 200 will store the Lead Zero compensation when switched off and
recall this value when next switched on. The stored value is only applicable to the test leads used when the
compensation measurement was made. If the test leads are replaced the Lead Zero function should be
repeated using the replacement test leads.
F4 Auto start
When Auto start is activated the AUTO icon is shown on the display. Continuity measurements will start
automatically when the test probes are connected to a resistance less than 20kohms.
Note: If the probes are connected to a resistance greater than 20kohms in Auto mode the test will not start.
Note: If the probes are connected to a voltage >30V AC/DC in Auto mode the test will not start. The
measured voltage will be shown in the primary display.
The Auto Start function will automatically make measurements when the test leads are connected to a
resistance.
When the Auto Start function is disabled press and hold the TEST key to make a continuity measurement.
The resistance between the test probes is shown until the TEST key is released.
During a measurement, the measured value is shown in the primary display and the test voltage is shown in
the secondary display.
5.5. Insulation Resistance Tests
Always ensure that the circuit under test is electrically isolated.
If the test probes are connected across a voltage of >30V then the PowerTest 200 will automatically
display the voltage between the probes, the warning buzzer will sound and the TEST key is
inhibited.

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Use the rotary switch to select either the 250V, 500V or 1000V MΩtest. The PowerTest 200 will display the
Test Lock and battery symbol for 1 second. If the Test Lock feature is required, it should be activated as
described below.
Functions keys F1-F4 have are used to select the options below:
F1 Buzzer
When enabled, the Buzzer will sound when the continuity measurement is less than or equal to 1Mohm.
F2 Test lock
The Test Lock is used to ‘lock’ the PowerTest 200 in a continuous measurement mode, with a single press of
the TEST key. When Test Lock is enabled the LCD shows the padlock icon. When Test Lock is active the TEST
key is locked until the option is disabled or the rotary switch is moved to another position.
To enable the Test Lock mode, press the F2 key before the TEST key is pressed or press F2 and the TEST
simultaneously.
To disable Test Lock, press F2 or turn the rotary switch to another position.
To make an insulation resistance measurement, press and hold the TEST key. The resistance between the
test probes is displayed until the TEST key is released. Alternatively, use the Test Lock function to allow
measurements to be started or stopped with single press of the TEST key.
During a measurement, the measured value is shown in the primary display and the measured test voltage is
shown in the secondary display.
F3 Not Used
F4 Not Used
Figure 3 – Insulation Measurement

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5.6. Voltage Measurement and Phase Rotation
Rotate the rotary switch until the V test is selected. The PrimeTest 200 will automatically measure any
voltage present on the test probes. The TEST key is not required.
The function keys do not perform any operations while in Voltage mode.
When an AC voltage is applied to the test probes, the frequency of the measured voltage is shown in
the secondary display.
Figure 4 – Voltage measurement using test
probes
Figure 5 – Voltage measurement at a mains
outlet
Figure 7 – Phase rotation
Figure 6 – Voltage measurement at a
distribution board

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When a 3 phase voltage is connected to the test probes, the voltage between the red and black is
displayed in the primary display and the phase sequence icon is shown on the display. When the test
probes are connected as follows: RED to L1, GREEN to L2, BLACK to L3 the display icon will show L1
L2 L3 if the rotation is correct.
5.7. High Current Earth Loop Impedance / Line Impedance
The PowerTest 200 will only allow the Earth Loop Impedance test to be performed if the correct
voltages are detected between line-earth (L-PE illuminated), line-neutral (L-N illuminated) and
neutral-earth (N-PE not illuminated).
Figure 8 – Zs and line impedance
measurement at a mains outlet
Figure 9 – Zs, Ze and line impedance
measurement at a distribution board
Figure 10 – Phase to phase impedance/PSC
measurement

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Rotate the rotary switch until Ze/Zs High is selected. Functions keys F1-F4 have are used to select the options
below:
Note: When the Ze/Zs High switch position is selected, the PowerTest 200 will default to the last used
setting, even if it has been switched off.
F1 L-PE loop/ L-N loop select
Press the function key F1 to select either the Earth Loop Impedance test (L-PE) or the Line Impedance test
(L-N).
F2 Not Used
F3 Not Used
F4 Auto start
When Auto start is activated the AUTO icon is shown on the display. Loop measurements will automatically
start approximately 4s after the PowerTest 200 is connected to correct mains supply via a mains plug or the
test probes. The Auto Start function remains enabled if the switch position is changed or the PowerTest 200
is powered off. To disable the Auto Start function press F4.
Note: If the mains supply is removed with the 4s countdown the loop test will not start.
Note: If the mains power is removed during the loop measurement, the test will terminate and the display
will show “RCD” to indicate that power has been removed.
To begin the test, press and release the TEST key or select Auto Start using F4.
During the test, progress is shown by the rotating progress icon. When the test is complete, the loop
measurement is shown in the primary display and the calculated Prospective Fault Current (PFC) or
Prospective Short-circuit Current (PSC) is shown in the secondary display.
Note: The PowerTest 200 will determine the fault voltage that may appear on the protective conductor
during the test. If the fault voltage is greater than 25V the PowerTest 200 will indicate >25V on the LCD, but
the user may proceed with the test. If the fault voltage is greater than 50V, this is indicated on the LCD and
the test is inhibited.
Note: A Line Impedance measurement is automatically made as part of the Earth Loop Impedance test. The
Line Impedance measurement (L-N) and Prospective Short-circuit Current (PSC) can be viewed by simply
pressing function key F1, without the need to repeat the test.

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5.8. Non trip Earth Loop Impedance / Line Impedance
The PowerTest 200 will only allow the Earth Loop Impedance test to be performed if the
correct voltages are detected between line-earth (L-PE illuminated), line-neutral (L-N
illuminated) and neutral-earth (N-PE not illuminated).
Rotate the rotary switch until Zs Non Trip is selected. Functions keys F1-F4 have are used to select the
options below:
Note: When the Zs Non Trip switch position is selected, the PowerTest 200 will default to the last used
setting, even if it has been switched off.
F1 L-PE loop/ L-N loop select
Press the function key F1 to select either the Earth Loop Impedance test (L-PE) or the Line Impedance test
(L-N).
F2 Not Used
F3 Not Used
F4 Auto start
When Auto start is activated the AUTO icon is shown on the display. Loop measurements will automatically
start approximately 4s after the PowerTest 200 is connected to correct mains supply via a mains plug or the
test probes. The Auto Start function remains enabled if the switch position is changed or the PowerTest 200
is powered off. To disable the Auto Start function press F4.
Note: If the mains supply is removed with the 4s countdown the loop test will not start.
Note: If the mains power is removed during the loop measurement, the test will terminate and the display
will show “RCD” to indicate that power has been removed.
To begin the test, press and release the TEST key or select Auto Start using F4.
Figure 11 – Zs and line impedance
measurement at a mains outlet
Figure 12 – Zs, Ze and line impedance
measurement at a distribution board

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During the test, progress is shown by the rotating progress icon. When the test is complete, the loop
measurement is shown in the primary display and the calculated Prospective Fault Current (PFC) or
Prospective Short-circuit Current (PSC) is shown in the secondary display.
Note: The PowerTest 200 will determine the fault voltage that may appear on the protective conductor
during the test. If the fault voltage is greater than 25V the PowerTest 200 will indicate >25V on the LCD, but
the user may proceed with the test. If the fault voltage is greater than 50V, this is indicated on the LCD and
the test is inhibited.
Note: A Line Impedance measurement is automatically made as part of the Earth Loop Impedance test. The
Line Impedance measurement (L-N) and Prospective Short-circuit Current (PSC) can be viewed by simply
pressing function key F1, without the need to repeat the test.
5.9. Auto RCD Test Sequence
The PowerTest 200 will only allow the RCD test to be performed if the correct voltages are
detected between line-earth (L-PE illuminated), line-neutral (L-N illuminated) and neutral-
earth (N-PE not illuminated).
Potential fields from other earthing installations, large voltages between the protective
conductor and earth, large voltage between the neutral and earth or leakage currents in the
circuit following the residual current protection device may influence the measurement.
Equipment which is connected downstream of a residual current protective device (RCD)
may cause a considerable extension of the operating time.
The Auto RCD test is used to automatically perform a sequence of 6 RCD trip time tests with a single
press of the TEST key. Each time the RCD trips, the sequence will automatically continue once the
RCD is reset. The sequence comprises of test at:
Figure 13 – RCD measurement at a mains
outlet
Figure 14 – RCD measurement at a
distribution board

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½I∆n / 0°
½I∆n / 180°
I∆n / 0°
I∆n / 180°
2I∆n or 5I∆n / 0°
2I∆n or 5I∆n / 180°
Functions keys F2-F4 are used to select the options below:
F1 Not Used
F2 AC/DC/Selective
Function key F2 is used to select the required RCD type: AC or DC sensitive combined with standard or
selective RCD types. Each time the F2 key is pressed the next option is selected.
During selective tests the PowerTest 200 will display a delay timer which counts down from 30s to 0s.
Pressing the Test key or turning the rotary switch while the PowerTest 200 is counting will terminate the
count.
AC current / standard RCD
AC current / selective RCD
DC current / standard RCD
DC current / selective RCD
F3 RCL
The RCL (Recall) key is used to recall the results of the last automatic RCD test performed by the
PowerTest 200. The LCD will update to show all of the relevant parameters for the result displayed.
Continue to press the F3 key to rotate through the results.
½I∆n test current / 0°
½I∆n test current / 180°
I∆n test current / 0°
I∆n test current / 180°
2x or 5x I∆n test current / 0°
2x or 5x I∆n test current / 180°
Normal pre-test screen
Pressing any key while displaying a recalled measurement will return the PowerTest 200 to the
normal pre-test screen.
F4 Rated residual operating current I∆n
The test current can be selected by pressing the F4 key.

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10mA
30mA
100mA
When the required settings have been selected, press the TEST key to begin the sequence.
Note:
The PowerTest 200 will determine the fault voltage that may appear on the protective
conductor during the test. If the fault voltage is greater than 25V the PowerTest 200 will indicate >25V
on the LCD, but the user may proceed with the test. If the fault voltage is great than 50V, this is
indicated on the LCD and the test is inhibited.
If the fault voltage is less than 50V the test sequence will proceed and the trip times are shown in the
primary display. The fault voltage is measured and not calculated.
When the sequence is completed, the RCL key (F3) is used to recall the measurements.
5.10. RCD Trip Time Tests
The PowerTest 200 will only allow the Earth Loop Impedance test to be performed if the
correct voltages are detected between phase-neutral (PN illuminated), phase-earth (PE
illuminated) and neutral-earth (NE not illuminated)
Leakage currents in the circuit following the residual current protection device may influence the
measurement.
Figure 15 – RCD measurement at a mains
outlet
Figure 16 – RCD measurement at a
distribution board

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Note: The PowerTest 200 will determine the fault voltage that may appear on the protective conductor
during the test. If the fault voltage is greater than 25V the PowerTest 200 will indicate >25V on the LCD, but
the user may proceed with the test. If the fault voltage is great than 50V, this is indicated on the LCD and the
test is inhibited.
Use the rotary switch to select the ½I∆n, I∆n or 2I∆n / 5I∆n test position.
The ½I∆n test will perform the RCD test with a current of 50% of that indicated on the LCD.
The I∆n test will perform the RCD with the test current indicated on the LCD.
The 2 I∆n test will perform the RCD with 200% that which is indicated on the LCD.
The 5 I∆n test will perform the RCD with 500% that which is indicated on the LCD.
F1 0° / 180°
Use the F1 key to alternate between the starting angle of the current. All RCD tests will start on zero crossing.
F2 AC/DC/Selective
Function key F2 is used to select the required RCD type: AC or DC sensitive combined with standard or
selective RCD types. Each time the F2 key is pressed the next option is selected.
During selective tests the PowerTest 200 will display a delay timer which counts down from 30s to 0s.
Pressing the Test key or turning the rotary switch while the PowerTest 200 is counting will terminate the
count.
AC current / standard RCD
AC current / selective RCD
DC current / standard RCD
DC current / selective RCD
F3 2I∆n / 5I∆n
When the dial is on 2x 5x F3 changes between the 2I∆nand 5I∆nsettings it will change the setting for the
auto test sequences.
F4 Rated residual operating current I∆n
The test current can be selected by pressing the F4 key.
10mA
30mA
100mA
300mA
500mA