Di-LOG 9083P Operating Instructions Manual

9083P

17th Edition and Part P Multifunction Tester

Operating Instructions

9083P

Multifunction Tester

Operating Instructions

328A561 revision1.1 - 2 -

Figure 1 9083P Front View

Figure 2 9083P End View

9083P

Multifunction Tester

Operating Instructions

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Figure 3 Earth Continuity/Insulation Measurement

Figure 4 Earth Continuity/Insulation Measurement using
Cordless probe

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Multifunction Tester

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Figure 5 Voltage Measurement using test probes

Figure 6 Earth Loop Impedance/Line Impedance/ RCD/
Mains Voltage Measurement

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Multifunction Tester

Operating Instructions

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Figure 7 Earth Loop Impedance/Line Impedance

Figure 8 Line Impedance between phases

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Multifunction Tester

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Limited Warranty & Limitation of Liability

DI-LOG Test Equipment guarantees this product to be
free from defects in material and workmanship under
normal use and service for a period of 2 year. The
period of warranty will be effective at the day of
delivery.

(c) Copyright 2007
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 DI-LOG. This also applies to
accompanying drawings and diagrams.

Due to a policy of continuous development DI-LOG
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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Multifunction Tester

Operating Instructions

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Table of Contents

Limited Warranty & Limitation of Liability.....................6

Table of Contents........................................................7

CERTIFICATE OF CONFORMITY.................................8

Introduction.................................................................9

1 Important Information..............................................9

2 Safety Information ..................................................10

3 Accessories............................................................11

3.1 Standard Accessories......................................11

3.2 Optional Accessories.......................................11

4 Unit Description......................................................12

4.1 Identifying parts of the unit.........................12

4.2 LCD display.....................................................13

5 Using the 9083P.....................................................15

5.1 Power On........................................................15

5.2 Battery Health Check.......................................15

5.3 Continuity Tests.........................................15

5.4 Insulation Resistance Tests........................17

5.5 Voltage Measurement......................................18

5.6 Earth Loop Impedance / Line Impedance ........18

5.7 Auto RCD Test Sequence................................19

5.8 RCD Trip Time Tests........................................21

5.9 RCD trip current (Ramp) Tests.........................23

6 Electrical Specifications..........................................25

6.1 Earth Continuity...............................................25

6.2 Insulation Resistance.......................................25

6.3 Earth Loop Impedance ....................................25

6.4 Line Impedance...............................................26

6.5 RCD ................................................................26

6.6 Voltage/Frequency Measurement....................26

7 Environmental Conditions.......................................27

8 Maintenance...........................................................28

8.1 Preparing to work on the 9083P.......................28

8.2 Securing the 9083P.........................................28

8.3 Cleaning..........................................................29

8.4 Battery Replacement.......................................29

8.5 Replacing the Fuse..........................................30

8.6 Service and Calibration....................................30

8.7 Spare Parts......................................................31

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Multifunction Tester

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CERTIFICATE OF CONFORMITY

As the supplier of the apparatus listed, declare under
our sole responsibility that the product:

9083P Multifunction Tester

To which this declaration relates are in conformity with
the relevant clauses of the following standard:

BS EN 61010-1:2001
Safety requirements for electrical equipment for
measurement, control, and laboratory use – Part 1:
General requirements.

BS EN 61557-1,2,3,4,6,10:1997
Electrical safety in low voltage distribution systems
up to 1000V a.c. and 1500V d.c. – Equipment for
testing, measuring and monitoring of protective
measures

BS EN 61326:1998
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 89/336/EEC and
73/23 EEC.

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Multifunction Tester

Operating Instructions

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Introduction

The 9083P is a hand held, battery powered, multi­function electrical installation test instrument capable of
performing a comprehensive range of tests, including:

Earth Continuity @ 200mA
Insulation Resistance at 100V, 250V and 500V
Voltage
Frequency
Auto RCD trip time sequence
RCD Trip Time at ½I∆n, I∆n and 5xI∆n
RCD Trip current
Earth Loop Impedance
Prospective Fault Current
Mains Impedance
Prospective Short-circuit Current
Power socket wiring polarity

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 9083P.

Caution, risk of electric shock.
Instructions must be followed to avoid risk of
electric shock.

Caution, risk of danger. This symbol indicates
that the operating instructions must be adhered
to in order to avoid danger.

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Multifunction Tester

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2 Safety Information

This 9083P is fully compliant with the requirements of:
BS EN 61010-1: 2001.
BS EN 61557 part 1, 2, 3, 4, 6 and 10.
In order to ensure safe operation of this instrument, all

notes and warnings must be observed at all times.

The 9083P has been designed to make
measurements in a dry environment. Do not
operate the 9083P in an explosive gas or dust
environment.
The 9083P may be used to test circuits with a
maximum over-voltage Category III, 300 V
AC/DC with reference to earth.
Always hold test probes above the hand guards.

The 9083P 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 9083P 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 9083P is used in a manner not specified by
this document then the protection provided by
the equipment may be impaired.

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Multifunction Tester

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3 Accessories

3.1 Standard Accessories

The 9083P is supplied with the following items:
1 off 9083P unit

1 off professional carry case
1 off Di-LOG mains test lead
1 off 1.2 M black test lead
1 off 1.2 M red test lead
1 off 1.2 M green test lead
1 off Operating Instruction Manual
1 off Leadless probe
1 off black crocodile clip
1 off red crocodile clip
1 off green crocodile clip

3.2 Optional Accessories

3.15A T 500V Fuse

Do not open unit, no other serviceable parts.

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Multifunction Tester

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4 Unit Description

The 9083P is a hand held, multi-function electrical
installation test instrument, capable of performing all of
the required electrical tests. Tests are selected using
the colour coded rotary switch.

4.1 Identifying parts of the unit

The numbering below refers to figure 1 and figure 2.

1. LCD Display

2. Function keys F1, F2, F3 and F4

3. TEST key

4. Rotary Switch
a. Voltage/frequency
b. Insulation resistance @ 100V
c. Insulation resistance @ 250V
d. Insulation resistance @ 500V
e. Continuity @ 200mA
f. Off
g. Earth Loop / Mains Impedance
h. Auto RCD
i. RCD trip time @ ½ I∆N
j. RCD trip time @ I∆N
k. RCD trip time @ 5I∆N
l. RCD trip time (ramp test)

5. Test lead input (RED)

6. Test lead input (BLACK

7. Test lead input (GREEN)

Note: The function performed by keys F1 – F4

depends upon the rotary switch position.
For each rotary switch position, the lower
part of the LCD display indicates the
function of the key above.

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4.2 LCD display

1. Mains supply status icons
These icons indicate the status of the mains supply
between phase-earth (PE), phase-neutral (PN) and
phase-earth (PE) during RCD and Loop tests.

Note: Testing is inhibited if the mains supply is
incorrect.

2. Analog bargraph
The analogue bargraph provides an analogue
representation of the measurement shown by the
primary digital display.

3. Primary digital display
The primary digital display is used to indicate the test
measurement for the active test type.

4. 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.

5. 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.

6. 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.

7. Secondary display for function key F4.
The secondary display is used to show the measured
output voltage during insulation resistance

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Multifunction Tester

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measurements, PFC/PSC calculations during earth loop
/ line impedance measurements and rated residual
operating current for RCD tests.

8. Battery status icon.
This icon displays the status of the battery voltage.

9. RCD test icons.
These icons display the selected RCD test function.

10. 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 9083P.

Note: The 9083P is equipped with a thermal cut-out

to protect against damage from excessive
internal temperature. If the thermal cut-out is
activated the HOT icon is illuminated and all
RCD and Loop tests are inhibited until the unit
cools and the thermal cut-out self-resets.

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Multifunction Tester

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5 Using the 9083P

5.1 Power On

To turn the 9083P on simply rotate the rotary switch to
the required test type.

5.2 Battery Health Check

The 9083P 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 Continuity Tests

Always ensure that the circuit under test is
electrically isolated before performing continuity
tests.
If the test probes are connected across a
voltage of >30V then the 9083P will
automatically display the voltage between the
probes, the warning buzzer will sound and the

TEST key is inhibited.
Rotate the rotary switch until the Ω test is selected.
When the continuity test is selected, the 9083P will

display the available test options for 1 second; Buzzer,
Test Lock, Lead Zero. If the Buzzer was previously
enabled then the icon will remain highlighted. The Test
Lock and Lead Zero must be enabled each time the
Continuity test is selected.

Functions keys F1-F4 have are used to select the
options below:

F1 F2 F3 F4
Buzzer Test Lock ZERO Not used

Buzzer (F1)

When enabled, the Buzzer will sound when the
continuity measurement is less than 20 ohms.

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Multifunction Tester

Operating Instructions

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Test Lock (F2)

The Test Lock is used to lock! the instrument 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 test press the TEST key
and F2 simultaneously.
To disable Test Lock, press F2 or turn the rotary switch
to another position.

ZERO (F3)

The instrument can automatically compensate for the
resistance of the test leads as follows:
Connect the two test probes firmly together, then press
and hold the ZERO key. The measured resistance of the
test leads is shown in the primary display until a beep is
heard and the ZERO icon is illuminated. All subsequent
measurements will take into account the test lead
resistance compensation until the function is disabled
by pressing function key F3.

Note: A maximum test lead resistance of 10 ohms

can be nulled out. If the test lead resistance is
great than 10 ohms an error beep will indicate
that the Lead Zero function has failed.

Note: For ease of use, the 9083P will store the lead

compensation when the instrument is
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 ZERO function
should be repeated using the replacement test
leads.

To make a continuity 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 on the analogue bargraph.

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Multifunction Tester

Operating Instructions

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5.4 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 9083P will

automatically display the voltage between the

probes, the warning buzzer will sound and the

TEST key is inhibited.
Use the rotary switch to select either the 100V, 250V or

500V M" test.
The 9083P 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 F2 F3 F4
Not used

Test Lock

Not used Not used

Test Lock (F2)

The Test Lock is used to lock! the instrument 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 test press the TEST key
and F2 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
analogue bargraph and the measured test voltage is
shown in the secondary display.

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Multifunction Tester

Operating Instructions

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5.5 Voltage Measurement

Rotate the rotary switch until the VOLTS test is
selected. The 9083P will start measuring voltage
immediately and use of the TEST key is not required.

The function keys do not perform any operations while
in Voltage mode.

For AC voltage measurements, the frequency of the
measured voltage is shown in the secondary display.

5.6 Earth Loop Impedance / Line Impedance

The 9083P 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).
Rotate the rotary switch until the Zs test is selected.

Press the function key F1 to select either the Earth
Loop Impedance test (L-PE) or the Line Impedance test
(L-N).

F1 F2 F3 F4
Line
Impedance

Not used Not used Not used

The secondary display will automatically show the
appropriate icon: PFC when L-PE is selected and PSC
when L-N is selected.

Note: When the Zs switch position is selected, the

9083P will default to the last used setting,
even if it has been switched off.

To begin the test, press and release the TEST key.

Note: The 9083P will determine the fault voltage that

may appear on the protective conductor
during the test. If the fault voltage is greater
than 25V the 9083P 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.

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Multifunction Tester

Operating Instructions

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During the test, progress is shown by the analogue
bargraph. When the test is complete, the Earth Loop
Impedance measurement is shown in the primary
display and the calculated Prospective Fault Current
(PFC) is shown in the secondary display.

Note: A Line Impedance measurement is

automatically made as part of the Earth Loop
Impedance test. The Line Impedance
measurement (L-N) and Prospective Short­circuit Current (PSC) can be viewed by simply
pressing function key F1, without the need to
repeat the test.

5.7 Auto RCD Test Sequence

The 9083P 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 or voltage on the protective

conductor may influence the measurement.

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:

½I∆n / 0°
½I∆n / 180°

Ι∆n / 0°
Ι∆n / 180°

5I∆n / 0°
5I∆n / 180°

Functions keys F1-F4 have are used to select the
options below:

F1 F2 F3 F4
Not used AC/DC/

Selective

RCL

I∆n

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Multifunction Tester

Operating Instructions

328A561 revision1.1 - 20 -

AC/DC/Selective (F2)

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 9083P will display a delay
timer which counts down from 30s to 0s. Pressing the
Test key or turning the rotary switch while the 9083P is
counting will terminate the count.

ac current / standard RCD
ac current / selective RCD
dc current / standard RCD
dc current / selective RCD

RCL (F3)

The RCL (Recall) key is used to recall the results of the
last automatic RCD test performed by the 9083P. 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.

½ I#n test current / 0o
½ I$n test current / 180o
I%n test current / 0o
I&n test current / 180o
5x I'n test current / 0o
5x I(n test current / 180o
normal pre-test screen
Pressing any key while displaying a recalled

measurement will return the 9083P to the normal pre­test screen.

Rated residual operating current I∆n (F4)

The rated residual operating current is selected by
pressing the F4 key.

9083P

Multifunction Tester

Operating Instructions

328A561 revision1.1 - 21 -

10mA
30mA
100mA
When the required settings have been selected, press

the TEST key to begin the sequence.

Note: The 9083P will determine the fault voltage that

may appear on the protective conductor
during the test. If the fault voltage is greater
than 25V the 9083P 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.
When the sequence is completed, the RCL key (F3) is
used to recall the measurements.

5.8 RCD Trip Time Tests

The 9083P 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 or voltage on the protective

conductor may influence the measurement.

Note: The 9083P will determine the fault voltage that

may appear on the protective conductor
during the test. If the fault voltage is greater
than 25V the 9083P 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 ½ I∆n, I∆n or 5 I∆n
test position.

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Operating Instructions

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The ½ I∆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 5 I∆n test will perform the RCD with 500% that
which is indicated on the LCD.

F1 F2 F3 F4
0o / 180o AC/DC/Selective Not used

I∆n

0o / 180

o

Use the F1 key to alternate between the starting angle
of the current. All RCD tests will start on zero crossing.

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 9083P will display a delay
timer which counts down from 30s to 0s. Pressing the
Test key or turning the rotary switch while the 9083P is
counting will terminate the count.

ac current / standard RCD
ac current / selective RCD
dc current / standard RCD
dc current / selective RCD

Rated residual operating current I∆n (F4)

The rated residual operating current is selected by
pressing the F4 key.

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Multifunction Tester

Operating Instructions

328A561 revision1.1 - 23 -

10mA
30mA
100mA
300mA
500mA

Note: The available settings for rated residual

operating current are restricted for the 5I∆n
test as shown below.

10mA 30mA 100mA 300mA 500mA
½ I N

a a a a a

1 I N

a a a a a

5 I N

a a a

5.9 RCD trip current (Ramp) Tests

The 9083P 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 or voltage on the protective

conductor may influence the measurement.

Note: The 9083P will first perform a short pre-test to

determine the fault voltage that may appear
on the protective conductor during the test. If
the fault voltage is greater than 50V then the
9083P will indicate >50V on the LCD, the test
will be disabled.

F1 F2 F3 F4
0o/180o AC/DC/Selective Not used Test

current

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Multifunction Tester

Operating Instructions

328A561 revision1.1 - 24 -

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 9083P will display a delay
timer which counts down from 30s to 0s. Pressing the
Test key or turning the rotary switch while the 9083P is
counting will terminate the count.

Rated residual operating current I∆n (F4)

The rated residual operating current is selected by
pressing the F4 key.

10mA
30mA
100mA
300mA
500mA

0o / 180o (F1)

Use the F1 key to alternate between the starting angle
of the current. All RCD tests will start on zero crossing.

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Multifunction Tester

Operating Instructions

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6 Electrical Specifications

6.1 Earth Continuity

Test Voltage Open Circuit >4V
Test Current

>200mA into 2Ω

Display Range

0.00Ω - 199Ω

Measuring Range

0.01Ω ) 1.99Ω

2.0Ω ) 19.9Ω
20Ω ) 199Ω

Resolution

0.01Ω maximum
Accuracy ±2% ±5 digits
Number of repeat tests Approx 3000

6.2 Insulation Resistance

Test Voltage Accuracy -0% +20% (open circuit)
Test current

>1mA into UN x (1000Ω/V)
Test Current Short Circuit <2mA
Display Range

0.05MΩ ) 199MΩ

Measuring Range

0.05MΩ ) 1.99MΩ

2.0MΩ ) 19.9MΩ

20MΩ ) 100MΩ
Resolution

0.01MΩ maximum
Accuracy ±5% ±5 digits
Voltage Indication
Accuracy

±5%

Number of repeat tests Approx 3000

6.3 Earth Loop Impedance

Supply Voltage 195V ) 253V, 45Hz ) 65Hz
Nominal Test Current 15mA
Display Range

0.01Ω - 2000Ω
Measuring Range

1.00Ω - 1.99Ω

2.0Ω ) 19.9Ω

20Ω - 2000 Ω

Resolution

0.01Ω maximum
Accuracy

±5%±12d (1.00Ω - 1.99Ω)
±5%±5d (2.0Ω - 19.9Ω)

PFC Range 0kA ) 26kA

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Multifunction Tester

Operating Instructions

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6.4 Line Impedance

Supply Voltage 195V ) 440V, 45Hz ) 65Hz
Nominal Test Current 15mA
Display Range

0.01Ω - 2000Ω
Measuring Range

0.05Ω - 1.99Ω

2.0Ω ) 19.9Ω

20Ω - 2000Ω

Resolution

0.01Ω maximum
Accuracy ±5% ±2 digits
PFC Range 0kA ) 26kA

6.5 RCD

Supply Voltage 195V ) 253V, 45Hz ) 65Hz
Nominal Test Currents 10mA,30mA,100mA,300mA,

500mA

Test Current Accuracy

-0% +10% at I∆n and 5I∆n

-10% +0% at ½ I∆n

Trip Time Ranges

0ms ) 2000ms, ½ I∆n
0ms ) 300ms, I∆n General
0ms ) 500ms, I∆n Selective
0ms ) 40ms, 5I∆n

Trip Time Accuracy ±5% ±2 digits
Ramp Current Range

½ I∆n to 1.1 I∆n
Trip Current
Measurement Accuracy

10%

6.6 Voltage/Frequency Measurement

Display Range 0V ) 440V
Voltage Measuring Range 0V ) 440V
Resolution 1V
Accuracy ±5% ±2 digits
Frequency Range 45Hz ) 65Hz
Frequency Accuracy Indication only

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Multifunction Tester

Operating Instructions

328A561 revision1.1 - 27 -

7 Environmental Conditions

The 9083P has been designed to perform tests and
measurements in a dry environment.

Maximum barometric elevation for making
measurements is 2000M.

Overvoltage category IEC 60664/IEC 61010, 300V
Category III.

Pollution degree 2 according to IEC 61010-1.
Protective system IP40 according to IEC 60529.
Electromagnetic compatibility (EMC). Interference

immunity and emitted interference conforming to IEC
61326-1.

Operating temperature range of 0°C to 40°C, without
moisture condensation.

The 9083P can be stored at any temperature in the
range -25°C to +65°C (relative humidity up to 90%). The
batteries should be taken out of the instrument for
storage.

Operating Altitude 0 to 2000 meters

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Multifunction Tester

Operating Instructions

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8 Maintenance

Before opening the 9083P ensure that it is
disconnected from all voltage! Electric shock
danger!

8.1 Preparing to work on the 9083P.

Ensure that the 9083P is voltage free as follows, before
opening the instrument;

Power the unit off using the rotary switch by selecting
the Off position on the rotary switch.

Disconnect all of the test leads from the unit

8.2 Securing the 9083P

Under certain conditions safe operation of the 9083P
can no longer be assumed:

Visible damage of the instrument case.
Incorrect measurement results.
Recognisable abuse to the instrument due to prolonged

storage under improper conditions.
Recognisable abuse to the instrument due to

extraordinary transportation stress.
Check the battery compartment for signs of battery

electrolyte leakage.
In these cases, the 9083P should be immediately

switched off, disconnected from any test or
measurement function and secured to prevent any
further use.

9083P

Multifunction Tester

Operating Instructions

328A561 revision1.1 - 29 -

8.3 Cleaning

Clean the external case of the 9083P with a clean dry
cloth.

Avoid using solvents and abrasive scouring agents to
clean the external case of the 9083P.

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.

8.4 Battery Replacement

Before removing the battery cover, ensure that
the 9083P is electrically isolated from any
potential voltage source.

Power the unit off by selecting the Off position on the
rotary switch.

Disconnect all the test leads from the unit
Position the 9083P face down and release the captive

screw in the battery compartment cover.
Remove the battery compartment cover.
Remove the discharged batteries from the

compartment.
Fit a new set of alkaline batteries.
Relocate the battery cover over the battery

compartment and fasten in position with the battery
cover captive screw.

9083P

Multifunction Tester

Operating Instructions

328A561 revision1.1 - 30 -

8.5 Replacing the Fuse.

Before removing the battery cover, ensure that
the 9083P is electrically isolated from any
potential voltage source.

All replacement fuse types are specified for
ratings and size on the battery compartment
cover on the rear of the 9083P.

Power the unit off by selecting the Off position on the
rotary switch.

Disconnect all the test leads from the unit.
Position the 9083P face down and release the captive

screw in the battery compartment cover.
Remove the battery compartment cover.
Lift one end of the fuse out of the fuse holder with the

help of a flat bladed screwdriver.
Lift the defective fuse completely out of the fuse holder.
Insert a new fuse of the correct type as described and

specified by the text on the battery compartment cover.
Ensure that the new fuse is seated and centred in the

fuse holder.
Relocate the battery cover over the battery

compartment and fasten in position with the battery
cover captive screw.

8.6 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 Di­LOG Service Agent. We recommend a recalibration
period of one year.

9083P

Multifunction Tester

Operating Instructions

328A561 revision1.1 - 31 -

8.7 Spare Parts.

Part No.
Red, Black and Green lead set
(includes crocodile clips)

44B151

Mains test lead 44B152
Cordless Probe 43B721
Carrying Case 328A953

3.15A T 500V 1¼* 27B083
For help or advice on Service and Calibration contact:
Service Department

Di-LOG Test Equipment
28 Wheel Forge Way
Trafford Park
Manchester
M17 1EH

Freefone: 0800 018 9122 Freefax: 0800 018 6711
Email: [e-mail] web: dilog.co.uk