Unitest 9061 User manual

TELARIS Fi/RCD-Analyzer
UNITEST®
Instruction Manual Cat. No. 9061
®

2

English
3
Contents
Contents ........................................................................................Page
1.0 Introduction / Scope of Supply ..............................................4
1.1 Model and Type Designation ..................................................4
1.2 Productdescription ................................................................4
2.0 Transport and Storage............................................................5
3.0 Safety Measures ....................................................................5
3.1 Appropriate Usage ................................................................7
4.0 Display / Operation Elements ................................................7
5.0 Carrying out Measurements ..................................................8
5.1 Voltage Measurement ............................................................9
5.2 General Information about RCD Tests ....................................10
5.2.1 Information regarding RCD testing ........................................10
5.2.2 Starting of RCD Test without RCD tripping,
Function Vc/RE ......................................................................11
5.2.3 Starting RCD Test with RCD Tripping, Funtion tRCD/Vc..........12
5.2.4 Starting RCD Test with “RCD Tripping, Function Auto” ..........14
5.2.5 Starting Automatic RCD Test with RCD Tripping ....................16
6.0 Storing Measurement Data ....................................................17
6.1 Infrared Interface, send Measurement Data ..........................18
7.0 Deleting Stored Measurement Data / Display of
All Memory Entries ................................................................18
8.0 Energy Management ..............................................................19
9.0 Maintenance ..........................................................................19
9.1 Cleaning ................................................................................19
10.0 Battery Replacement ............................................................19
11.0 Internal fuse ..........................................................................20
11.1 Indication in the display at defect fuse ..................................20
12.0 Calibration Interval ................................................................20
12.0 Technical Data ......................................................................21
24 month Warranty ..............................................................26

References marked on instrument or in instruc-
tion manual:
Warning of a potential danger, comply with in-
struction manual.
Reference. Please use utmost attention.
Caution! Dangerous voltage. Danger of electri-
cal shock.
Continuous double or reinforced insulation
complies with Category II.
Warning of potential danger caused by accu-
mulators and batteries.
Conformity symbol, the instrument complies
with the valid directives. It complies with the
EMC Directive (89/336/EEC), Standards EN
50081 and EN 50082-1 are fulfilled. It also
complies with the Low Voltage Directive
(73/23/EEC), Standard EN 61010-1 is fulfilled.
The instruction manual contains information
and references necessary for safe operation
and maintenance of the instrument. Prior to
using the instrument (commissioning / as-
sembly) the user is kindly requested to thor-
oughly read the instruction manual and com-
ply with it in all sections.
Failure to read the instruction manual or to
comply with the warnings and references con-
tained herein can result in serious bodily injury
or instrument damage.
1.0 Introduction / Scope of Supply
You have purchased a high quality measurement in-
strument of Ch. BEHA GmbH wich will allow you to
carryout measurement over a long time period. The
company Ch. BEHA GmbH is a member of the world
-wide operating BEHA Group with its head office in
Glottertal/Schwarzwald wich also houses our deve-
lopement centre. The BEHA Group is a leading or-
ganisation for Test Measurement Instruments.
1.1 Model and Type Designation
The identification label is located on the rear of the
instrument. It contains the instrument serial num-
ber and product designation. When questions arise
regarding the instrument, please always quote
product designation and serial number.
1.2 Productdescription
The UNITEST TELARIS FI/RCD Analyzer allows the
testing of trip times of standard RCDs and selective
RCDs using various residual currents. Additionally,
the ground resistance and contact voltage can be
measured.
•Testing of trip times of standard RCDs and sel-
ective RCDs using various residual currents.
•Testing of conventional, selective and all-cur-
rent sensitive RC protection switches
•Automatic RCD test (all RCD tests are carried
out automatically)
•Nominal residual currents may be selected: 10, 30,
100, 300, 500, and 1000mA
•Automatic phase detection
•Various curve shapes: Sine,1/2 wave rectified DC
current, DC current
•Start of measurement at 0° or 180°
•Display of: trip time, trip current, contact voltage,
ground resistance
•Result assessment, result evaluation
•Data memory for up to 100 measurement resutls
•Infrared interface (RS232) for easy data transfer
•Energy management with integrated auto power
off function
•Large, easily readable display
•Built in compliance with EN 61557 Part 1 and 6,
EN 61010-1, DIN VDE 0413 Part 1 and Part 6,
4
Introduction

English
5
Transport and Storage / Safety Measures
Scope of Supply
1 pc UNITEST TELARIS Fi/RCD-Analyzer
1 pc 3 pole test lead
1 pc Test lead with mains plug
1 pc Croccodile clamps
3 pc Test probe
1 pc Protective Holster
1 pc Carrying Case
6 pcs Battery 1.5V, type IEC LR6 (Size AA)
1 pc Instruction manual
2.0 Transport and Storage
Please keep the original packaging for later trans-
port, e.g. for calibration. Any transport damage due
to faulty packaging will be excluded from warranty
claims.
In order to avoid instrument damage, we recom-
mend that batteries are removed when not using
the instrument over a certain period of time. How-
ever, should the instrument be contaminated by
leaking battery cells, you are kindly requested to re-
turn it to the factory for cleaning and inspection.
Instruments must be stored in dry and closed areas.
In the case of an instrument being transported in ex-
treme temperatures, a recovery time of at least 2
hours is required prior to instrument operation.
3.0 Safety Measures
The UNITEST Telaris FI/RCD Analyzer has been de-
signed and checked in accordance with the safety
regulations for Electronic test and Measurement In-
struments EN 61010 and IEC 61010, and left our
factory in a safe and perfect condition.
The instruction manual contains information
and references necessary for safe operation
and maintenance of the instrument.
The respective accident prevention regulations
established by the professional association for
electrical systems and equipment must be
strictly met at all times.
In order to avoid electrical shock, the valid safe-
ty and VDE regulations regarding excessive
contact voltages must receive the utmost at-
tention when working with voltages exceeding
120V (60V) DC or 50V (25V)rms AC. The val-
ues in brackets are valid for limited ranges (as
for example medicine and agriculture).
Measurements in dangerous proximity of elec-
trical installations are only to be executed when
instructed by a responsible electrical specialist,
and never alone.
If the operator’s safety is no longer guaranteed,
the instrument is to be put out of service and
protected against use. The safety can no longer
be guaranteed if the instrument (or leads):
• shows obvious damage
• does not carry out the desired measurements
• has been stored for too long under un-
favourableconditions
• has been subjected to mechanical stress dur-
ing transport.
Avoid any heating up of the instrument by di-
rect sunlight to ensure perfect functioning and
long instrument life.
Prior to usage, inspect the instrument and test
leads for external damage. Prior to any opera-
tion, ensure that connecting leads used and in-
struments are in perfect condition.
The instrument may only be used within the op-
erating ranges as specified in the technical data
section.

3.1 Appropriate Usage
The instrument may only be used under those
conditions and for those purposes for which it
was built.
Whenmodifyingorchangingtheinstrument,the
operational safety is no longer guaranteed.
The opening of the instrument for fuse re-
placement, for example, may only be carried
out by professionals. Prior to opening, the in-
strument has to be switched off and discon-
nected from any voltages.
Any maintenance and calibration tasks may
only be carried out by our repair service staff.
The instrument may not be operated if the bat-
tery case is open.
If the instrument is subjected to an extremely
high electro-magnetic field, its functioning abil-
ity may be impaired.
4.0 Display / Operation Elements
Display
1. Attention, warning symbol
2. Symbol “Limit” (Limitvalue)
3. Excess (breech) of contact voltage limit
4. Socket error
5. Battery status indication
6. Unit display
7. Display for selective RCD
8. Phase position nominal residual current
9. Contact voltage limit
10. Current type
11. Selected nominal residual current
12. Nominal residual current - multiplication factor
13. Symbol for memory entry
14. Measurement data display
15. Symbol for ramp function
16. Temperature overload, overheating of the in-
strument
17. AC voltage, display of mains voltage
Operation Elements
18. LCD
19. Key "VC/UL" to select contact voltage limit
20. Nominal residual current selection
21. PE contact electrode
22. Key "Start"
23. Key "Current Type"
24. Key "Phase Position" for nominal residual cur-
rent
25. Key "Store
26. Key "Send"
27. Key "Clear"
28. Battery case (instrument rear)
29. Infrared RS232 PC interface
30. Key - "Multiplication Factor" for nominal residu-
al current
31. Function selection switch
32. Display key to select individual measurement
results
6
Display / Operation Elements

English
7
Carrying Out Measurements
5.0 Carrying out Measurements
FAT (Final Approval Test) measurements have
to be carried out in compliance with the ap-
propriate applicable standards.
I∆N:
2.5x
180¡
12345
6
7
8
9
11
12
13
15
14
16
17
10
I∆N:
2.5x
180¡
Display VC / UL
Store
Send
Clear
Vc/RE
tRCD/Vc
tRCD/Vc
18
19
20
21
22
23
24
25
32
20
31
30
29
28
2627

5.1 Voltage Measurement
Prior to usage the test instrument and the test
leads have to be tested for correct functioning.
Test leads and test probes may only be touched
at the handles provided. The user must not
touch the test probes.
The measurement connectors may not be con-
nected to external voltages exceeding 300 V AC
or DC to avoid any instrument damage.
When changing the measurement function or
parameter I∆N and UL parameters, the TELA-
RIS Fi/RCD-Analyzer automatically switches to
the voltage measurement function.
Select measurement function using the function
selection switch (31).
Connect test lead /mains connection lead to the
UUT, as described in figure 1 or 2.
Read measurement data on the display.
No data storing possible !
8
Voltage Measurement

I∆N:

P
I∆N:
Fig. 1
Fig. 2

English
9
General Information about RCD Tests
5.2 General Information about RCD Tests
The contact voltage UB and the trip time t required
by the RCD to disconnect the subsequent current
circuit from the mains represent important mea-
surement units for the asessment
of an RCD.
For this reason, IEC 60364 prescribes that
a) the maximum allowable value for the contact
voltage (25V/50V) may not be exceeded within
any system during tripping at nominal residual
current.
b) the RCD must trip within a time limit of 300ms.
The task of an residual current device (RCD) con-
sists in switching off a system within a defined time
period after an error prior the contact voltage reach-
es the permissible limit value of 25V / 50V.
The system testing should be started by carrying out
a visual inspection, in particular of the protective
earth connection.
1. Within the IT system, the protective earth con-
ductor doesnot have to be connected with the
PEN but with the protective earth connection.
2. The protective earth conductor must be connect-
ed to the PEN prior to the RCD within the TN sys-
tem.
3. An insulation measurement as described in Sec-
tion 5.2 must be performed. In particular it must
be proved, that there is no connection between N
and PE following the RCD.
4. Proof regarding the low impedance connection of
equipotential bonding conductors in compliance
with Section 5.4 must be available.
Time-delayed residual current devices trip at
nominal residual current within 130…500ms,
for double nominal fault current within
60…200 ms. Such RCDs are implemented as
main residual current protection devices
(please refer to IEC 61008-1) and are marked
with the symbol “ S ”.
The contact voltage represents the voltage pre-
sent during an insulation error between two si-
multaneously touchable components.
At a measuring circuit without probe, available
voltages between PE and earth can influence
the measurement.
Before using the N-conductor as probe check
that all neutral points have low ohm resistance
to the main neutral line. A available voltage of
the N conductor to the arth can influence the
measurement.
The measuring function uses the N-conductor as a
probe. Check first the connection between the neu-
tral point of the distribution system and earth be-
fore the test is started. A possible voltage between
the N-conductor and earth may influence the mea-
surements.
Leakage currents by preconnected loads can
influence the measuring
Attached loads or operating supplies which
contains capacitors or circulating machines
can elongate the trip time.
Any test and measurement procedures in cir-
cuits equipped with residual current devices
should only be performed after having con-
sulted the operator terminals (data processing
systems, material processing, motors, etc.).
Prior to testing, we recommend all loads are
switched off as they could falsify the measure-
ment result.
The protective earth must be free of external
voltage for the RCD test. However if an extra-
neous voltage is present, the instrument only
indicates the voltage VC having been generat-
ed by the measurement. The measurement in-
terruption caused by excess of UL by VC is only
generated by the actual voltage present be-
tween the neutral conductor (N) and the pro-
tective earth (PE).

5.2.1 Information regarding RCD testing
The instrument TELARIS RCD Analyzer allows the
measurement of trip times for standard RCDs and
selective RCDs for different residual currents. Ad-
ditionally, the ground resistance and the contact
voltage can be measured without RCD tripping. The
additional ramp function allows determination of
the exact residual current and trip time. The instru-
ment is equipped with an automatic RCD function
to carry out fully automatic RCD tests.
Table 1 and 2 informs about the type of cur-
rent to be selected and about multiplication fac-
tors of nominal residual current.The multipli-
cation factors may not be selected within all
measurement functions and are in these cases
disabled for the user.
The nominal residual current selection also al-
lows selection of selective RCDs (not possible
for RCD TEST I∆/ta/UB). When selecting the
selective RCD, the symbol "S" (7) appears on
the display.
To carry out a complete socket test, the contact
electrode PE (21) must be touched. If the sym-
bol socket error (4) appears, a PE error is pre-
sent.
If the instrument is switched off using function
selection switch or if the instrument automati-
cally switches off due to the automatic power
off function, the pre-set nominal residual cur-
rent value is maintained. Parameters such as
phase position (0°, 180°), current type (AC, DC
Plus, DC) and the nominal residual current
multiplication factor are reset to the standard
(default) values (0°, AC, x1).
If many measurements are carried out inter-
rupted only by short breaks, the built-in over-
temperature protection of the RCD Analyzer
might respond, and the thermometer symbol
(15) appears on the display. Subsequent mea-
surements can only be carried out, once the in-
strument has cooled down and the thermome-
ter symbol has gone out, thus avoiding any
instrument damage. Any tests at nominal resi-
dual currents 10mA / 30mA may be started
even if the thermometer symbol is on, as these
currents do not lead to a heating up of the in-
strument.
If the RCD trips during testing, the socket error
symbol (4) is displayed. This symbol is also
displayed if the RCD is not in order and an in-
correct tripping has been caused!
The "Attention Symbol" indicates that one measure-
ment unit has exceeded a limit value. When calling
up the measurement data using "Display" key (18),
the "Limit" symbol (2) or "UB>UL" (3) appears for
the respective measurement unit.
10
Starting of RCD Test
I∆N:
I∆N:
I∆N:

English
11
Starting of RCD Test
5.2.2 Starting of RCD Test without RCD trip-
ping, Function UB/RE
The contact voltage UB and the ground resistance
RE are measured during this test by applying a cur-
rent amounting to 40 % of the nominal residual cur-
rent. The contact voltage displayed is extrapolated
to nominal residual current I∆N or to double the no-
minal residual current I∆N for selective RCDs.
Connect test lead / mains connection cable to
test instrument.
Connect test lead / mains connection cable to
the UUT, as described in figure 1 or 2.
Select desired measurement function Vc/RE
using function selection switch (31).
Set nominal residual current selection (20) to
desired nominal current (depending on RCD).
Select Limitvalue via contact voltage using key
"Vc/UL" (19).
Touch contact electrode PE (21). Note display.
If the symbol "Socket Error" (4) is displayed, a
PE error is present.
Press key "Start" (22).
After successful test the display key (32) is
used to switch between measurement result.
Display at contact voltage
Display at earth resistance
Measurement results can be saved via pres-
sing key “Store” (25).
If the condition of a faulty socket is to be saved,
first press key "Start" (22). Upon hearing the
"Error Signal" press the key "Store" (25).
If the RCD trip, the "Attention" symbol (1) and
"Socket error" symbol (4) are displayed
I∆N:

Display at RCD has tripped
A possible reason could be:
•incorrect selection of test current.
•aresidual current is present within the net to be
tested, causing the RCD to trip early because it
sums up with the test currents.
•RCD faulty.
The calculated contact voltage is displayed up
to an votage of 70 V
The measurement is interrupted if the contact vol-
tage exceeds the set contact voltage limit. "Attenti-
on" (1) and "UB>UL" (3) appears on the display.
5.2.3 Starting RCD Test with RCD Tripping,
Funtion tRCD/UB
The contact voltage VC is measured during a test,
by applying a current amounting to 40 % of the no-
minal residual current. The contact voltage display-
ed is extrapolated to nominal residual current I∆N
or to double the nominal residual current I∆N for
selective RCDs.
Upon the examnation of RCDs a break of 30 sec
is had betweeen pre-test and preliminary test.
Connect test lead / mains connection cable to
test instrument.
Connect test lead / mains connection cable to
the UUT, as described in figure 1 or 2.
Select desired measurement function tRCD/UB
using function selection switch (31).
Set nominal residual current selection (20) to
desired nominal current (depending on RCD).
Set phase position using key 0° / 180° (24).
Set current type (23) and multiplication factor
using key (30).
12
Starting of RCD Test
I∆N:
2 x
I∆N:
I∆N:
I∆N:

English
13
Starting of RCD Test
The current types and multiplication factors to
be selected at set nominal residual current are
listed in tables 1 and 2.
Select contact voltage using key "VC" (19).
Touch contact electrode PE (21). Note display.
If the symbol "Socket Error" (4) is displayed, a
PE error or other socket error is present.
Press key "Start" (22).
After successful test the display key (32) is
used to switch between measurement result
tRCD and VC within the measurement value
display.
Display at trip time (tRCD)
Display at contact voltage (VC)
The measurement is interrupted if the contact
voltage exceeds the set contact voltage limit.
"Attention" (1) and "UB>UL" (3) appears on the
display.
Display at limit of contact voltage is exceed
If the RCD does not trip within correct tolerance va-
lues (also refer to table 3), the "Attention" symbol
(1) and "Limit" (2) are displayed besides measure-
ment value tRCD.
A possible reason could be:
•incorrect selection of test current.
•aresidual current is present within the net to be
tested, causing the RCD to trip early because it
sums up with the test currents.
•RCD faulty.
Display at trip time >300 ms
Measurement results may be saved pressing
key Store (25).
I∆N:
I∆N:
I∆N:
ms
I∆N:

If the condition of a faulty socket is to be saved,
first press key "Start" (22). Upon hearing the
"Error Signal" press the key "Store" (25).
5.2.4 Starting RCD Test with “RCD Tripping,
Function Auto”
For this test, the trip current Iof the RCD is mea-
sured. The contact voltage VC is measured during
the preliminary test at a current of 40%I∆N. The
RCD test is resumed after the successful prelimi-
nary test at a residual current, rising in steps of 10
% from 40 % I∆N until maximum 140 % I∆N. The
presently active residual current is indicated on the
display and in the event of the RCD tripping the trip
time of the RCD is meausured. The contact voltage
VC is evaluated for the trip current I.
The method of the rising test current is not ne-
cessarily binding in compliance with VDE, ho-
wever represents a useful aid during trouble
shooting.
Test and measurement instruments within net-
works being protected by RCDs should only be
used after agreement with the final instrument
user (DP systems, process technology, mo-
tors, etc.).
If the contact voltage VC already exceeds the pre-
set contact voltage limit UL during the preliminary
test, the measurement is disabled and the "Attenti-
on" symbol (1) and "UB>UL" (3) is displayed.
Connect test lead / mains connection cable to
test instrument.
Connect test lead / mains connection cable to
the UUT, as described in figure 1 or 2.
Select desired measurement function (I
/tRCD/VC) using function selection switch (31).
Set nominal residual current selection (20) to
desired nominal current (depending on RCD).
No possibility to check selective RCDs.
Set phase position using 0°/180° key (24) and
current type by means of key (23).
Select contact voltage using key "VC/UL" (19).
Touch contact electrode PE (21). Note display.
If the symbol "Socket Error" (4) appears a PE
error is present.
Press key "Start" (22).
After a successful test, it is possible to select
between measurement results trip current I<,
trip time tRCD, and contact voltage VC in the
display (14) using display key (18).
Display trip current
Display trip time
14
Starting of RCD Test
I∆N:
I∆N:
I∆N:

English
15
Starting of RCD Test
Display contact voltage
The measurement results may be saved by
pressing key Store (25).
If the condition of a faulty socket is to be saved,
first press key "Start" (22). Upon hearing the
"Error Signal", press key "Store" (25).
If due to the ramp current the contact voltage
is exceeded, the measurement is interrupted
and the current is displayed at the level at which
the excess occurred.
If trip time tRCD of RCD exceeds 300ms, the mea-
surement value for an trip time is displayed as
">300ms". The "Attention" symbol (1) is displayed
and for trip time display, the symbol for overload (2)
appears.
To make sure that the RCD is tripping correctly, a
standard test (tRCD/VC) has to be carried out. Ex-
ample: A correctly functioning RCD has a trip time
of ">300ms" at 50% I∆N, whereas the trip time
smaller than 300ms. When performing standard
test at I∆N.
If the RCD already trips at 50 % I∆N or not at
all at a residual current value higher than 100
% I∆N, the RCD is faulty or the incorrect nom-
inal residual current has been selected. The at-
tention symbol (1) is displayed and the symbol
for exceeding the limit (2) is indicated togeth-
er with the trip current (tRCD) display
I∆N:
I∆N:
I∆N:
I∆N:

5.2.5 Starting Automatic RCD Test with RCD
Tripping
The TELARIS RCD Analyzer is equipped with a fully
automatic RCD analysis. As a first step, during a
preliminary test, the contact voltage VC is measu-
red at a current of 40 % I∆N and extrapolated to the
nominal current. Thereafter, various AC residual
currents are generated and both trip time and
contact voltage are verified. The user must only
make sure to switch on RCD after tripping between
the individual test programs. Then, the RCD analy-
sis is automatically continued.
Connect test lead / mains connection cable to
test instrument.
Connect test lead / mains connection cable to
the EUT, as described in figure 1 or 2.
Select desired measurement function (Auto)
using function selection switch (31).
Set nominal residual current selection (20) to
desired nominal current (depending on RCD).
Select contact voltage using key "VC/UL" (19).
Touch contact electrode PE (21). Note display.
If the symbol "Socket Error" (4) appears a PE
error is present.
Press key "Start" (22).
The measurement is interrupted if the contact
voltage exceeds the pre-set contact voltage
limit. The following symbols appear: "Attention
(1), "UB>UL" (3) and "Err
After successful preliminary test the following is
displayed (14):
“Pr 1” equals 0.5x I∆N 0°, RCD must not trip
“Pr 2” equals 0.5x I∆N 180°, RCD must not trip
“Pr 3” equals 1x I∆N 0°, RCD must trip within
300ms (S-Type 130 ... 500ms)
(test-time 500ms)
“Pr 4” equals 1x I∆N 180°, RCD must trip wit-
hin 300ms (S-Type 130 ...
500ms)
“Pr 5” equals 2x I∆N 0°, RCD must trip within
150ms (S-Type 60 200ms)
“Pr 6” equals 2x I∆N 180°, RCD must trip wit-
hin 150ms (S-Type 60 ... 200ms)
“*Pr 7” equals 5x I∆N 0°, RCD must trip within
40ms (S-Type 50 ...150ms)
“*Pr 8” equals 5x I∆N 180°, RCD must trip wit
hin 40ms (S-Type 50 ... 150ms)
*function not to be executed at 500mA and 1000mA
RCDs
16
Starting of RCD Test
I∆N:
.5x
I∆N:
.5x

English
17
Storing Measurement Data
The RCD trips several times during measurement
and has to be switched on again. Thereafter, the
measurement is automatically continued and ends
with the display "POS" or "Err" on the display (18).
Display at functioning RCD
Display at faulty RCD
"POS" is an abbreviation of positive and signifies that
the RCD is functioning correctly. If "Err" (Error) is
displayed, the measurement is immediately inter-
rupted. "Err" indicates a defective RCD or that the
contact voltage has been exceeded. The nominal re-
sidual current multiplication factor (12) together
with the phase position of nominal residual current
(9) indicates in which program the automatic test
has been interrupted.
The measurement results may be stored by pres-
sing key Store (25). It is advised to store when using
this range, as the Report Studio Software enables a
detailed decoding of the measurement results.
To interrupt the function AUTO, change the
measurement range using the selection switch
(31)
Possibility to save.
6.0 Storing Measurement Data
After successful measurement, it is possible to save
measurement value by means of "Store” key (25).
Alltogether, approximately 100 measurement va-
lues can be saved. Proceed as follows:
Carry out measurement.
Store measurement result by pressing "Store"
key (25).
After successful storeing a short signal is au-
dible and the symbol "M" (13) is displayed, also,
the memory address number briefly appears.
In the event of pressing the Store-key when the
memory is full, the “M” Symbol blinks briefly
and an error signal is heard
The data in the memory is maintained if in-
strument is switched off or during battery re-
placement.
Double storing of a measurement is impossi-
ble !
Under certain, unintentional circumstances
data may be lost or modified during electro-
nic saving. CH. BEHA will not be held liable
for financial and other loss being caused by
data loss, wrong handling or any other rea-
son.
We recommand you to save and transmit the
measurement results daily to your computer.
In case of incidentals outer influences you
can lose saved measurement sof the instru-
ment.
I∆N:
5x
180¡
I∆N:
2 x

6.1 Infrared Interface, send Measurement Data
Additionally, all memorised measurement data may
be transferred to the PC (data archive) by means of
an Infrared Interface. For this purpose, the interfa-
ce adapter and the Software "Report-Studio” (Cat.
No. 1206) and Interface (Cat. No. 1157), available
as an optional feature, are required.
The data transfer procedure is fairly easy:
Apply the Interface adapter to TELARIS
Connect adapter cable to PC (COM 2) via 9pole
D-sub plug (RS232).
Call the "Report-Studio” Software (please refer
to user manual "Report-Studio”).
Select menu item "read data” or select the but-
ton "read data from measurement instrument”
by mouse click. The message "send data” ap-
pears.
Press key "Send" (26).
Data transfer is carried out. After a few seconds
all stored data is available for further proces-
sing in the PC.
For further details, please refer to user manual
"Report-Studio".
7.0 Deleting Stored Measurement Data / Display
of All Memory Entries
It is possible to delete data by using key „Clear" (27).
Furthermore, it is possible to display the total num-
ber of measurement value entries on the display:
Display of Total Number of Measurement Value
Entries:
Set measurement range selection switch (31) to
one of the 5 measurements ranges.
Briefly press „Clear” key (27). A short beep sig-
nal is audible.
The total number of all measurement values that
have been saved is now displayed.
Delete Last Stored Measurement Value:
Set measurement range selection switch (31) to
one of the 5 measurement ranges.
Briefly press „Clear” key (27). A short beep sig-
nal is audible and the number of the memorised
measurement data is displayed.The total num-
ber of all stored measurement data is dis-
played.The display disappears after approxi-
mately 2 seconds.
Now release the key „Clear” (27) to avoid dele-
tion of all memory entries.
Deleting the last measurement value can be re-
peated as often as required, as long as data is
available within the memory.
Deleting all Stored Measurement Values:
Set measurement range selection switch (31) to
one of the 5 measurement ranges.
Press „Clear” key (27) for approx. 5 seconds.
A beep signals are audible. The number of all
stored measurement values is displayed.
The last stored value is deleted after 2 seconds.
After 5 seconds, all values are deleted.
„0“ appears on the display. The memory is com-
pletely deleted, the „M" symbol in the display
disappears.
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Infrared Interface, send Measurement Data

English
19
Maintenance / Battery Replacement
8.0 Energy Management
Approximately 5 minutes after last key operation, the
instrument switches off automatically (auto-power-
off). To switch the instrument on again, turn rotary
switch from the „OFF" position to the desired func-
tion.
If the batteries are almost completely discharged, the
battery symbol (5) appears. The instrument continu-
es functioning without necessarily respecting the
specifications.
If the batteries continue to be used and discharged,
the instrument switches off at a point when the mini-
mum battery voltage level is reached and may not be
switched on again.
9.0 Maintenance
When using the instrument in compliance with the in-
struction manual, no special maintenance is required.
9.1 Cleaning
If the instrument is dirty after daily usage, it is advised
to clean it by using a damp cloth and a mild household
detergent.
Prior to cleaning, ensure that the instrument is
switched off and disconnected from external volt-
age supply and any other instruments connected
(such as EUT, control instruments, etc.).
Neveruse acid detergents or dissolvantsforclean-
ing.
10.0 Battery Replacement
If the battery symbol appears in the display, pro-
ceed with battery replacement.
Prior to battery replacement remove the instru-
ment from all measurement circuits.
The right order of the batteries is shown on the
inside of the battery compartment.
Batteries with reversed polarity can lead to in-
strument destruction. Furthermore, they may
explode or ignite.
Only use batteries as described in the technical
data section type 6LR61.
Switch off the instrument.
Loosen screws on the instrument rear.
Remove battery case cover (by slightly knocking
the instrument in the palm of the hand).
Remove discharged battery.
Insert new battery by respecting the correct po-
larity.
Replace battery case cover and tighten screws.
Instrument is operational.

Never try to disassemble a battery cell. Never
throw a battery into open flames as this could lead
to an explosion. Never subject batteries to hu-
midity.
Please consider your environment when dis-
posing of used batteries. They belong in a rub-
bish dump for hazardous waste. Generally
speaking you may return your batteries to the
point of sale.
The appropriate regulations concerning return,
recycling and disposal of used batteries must be
respected at all times.
If the instrument is not used over an extended
time period, we recommend to remove the bat-
tery. In the event of instrument contamination
caused by leaking battery cells, the instrument
has to be returned for cleaning and verification
to our factory.
11.0 Internal fuse
The internal fuse protects the instrument from
overload or wrong operation/use. The fuses can
trigger, if tensions > 600 V AC/DC are connected
to the instrument.
The fuse is inside the instrument, the instrument
must be opened for the exchange.
The fuses can only be replaced by returning the
instrument to the factory or to an authorized sales
repair service.
Exclusively use fuse of voltage, current and bre-
aking capacity values in compliance with the
technical data section.
11.1 Indication in the display at defect fuse
If the instrument is correctly connected to the
mains and before the measurement displays the
symbols attention (1) and UB > UL (3), the inter-
nal fuse has blown.
The fuse must be replaced and the measurement in-
strument then checked by returning the instrument to
the factory or to an authorized sales repair service.
12.0 Calibration Interval
To obtain the specified measurement result accura-
cy the instrument should be regularly calibrated by
our after sales service. We recommend a calibration
interval of one year.
20
Battery Replacement / Calibration Interval