PCE Instruments PCE-SCI-D Users guide

Page 1
PCE-SCI-D
USER’S MANUAL
ISOLATED
SIGNAL
CONVERTER
0/10 Vdc
Process
4/20 mA
Process
Process
Double
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PCE Instruments PCE Instruments | www.pce-instruments.com
PROCESS SIGNAL DUPLICATOR PCE-SCI-D
Signal duplicator for process signals, isolated 4 ways, for industrial applications
Signal duplicator and signal converter, for process signals, isolated, for industrial applications. Accepts process signals in 4/20 mA and 0/10 Vdc, provides excitation voltage if needed. Dual output, with output 1 xed to 4/20 mA, and output 2 congurable to 4/20 mA or
Process
and keypad) accessible behind the front cover. Integrated functions to generate low and high output signals, to validate remote instrumentation. ‘Password’ function to block access to conguration.
Designed for industrial use, with potential integration into a wide range of applications, reduced cost, excellent quality and optional customization
of the instrument.
0/10 Vdc. Isolated 4 ways between power, input signal, output 1 and output 2. Universal power supply 20 to 240 Vdc and 60 to 240 Vac isolated. Circuit isolation prevents ground loops and transient propagation,
protecting remote equipment and signal integrity. Easy and fast conguration through conguration codes. Conguration system (digits
USER’S MANUAL
INDEX
1. How to order . . . . . . . . . . . . . . . . . . . . . . . . . . 2
2. Material included . . . . . . . . . . . . . . . . . . . . . . . 2
3. Installation and start-up . . . . . . . . . . . . . . . . . . . . 2
4. Additional information. . . . . . . . . . . . . . . . . . . . . 2
5.  Conguration codes . . . . . . . . . . . . . . . . . . . . . . 3
6.  Typical applications . . . . . . . . . . . . . . . . . . . . . . 3
7. Technical specications. . . . . . . . . . . . . . . . . . . . 3
8. Connections and dimensions (mm (inch)) . . . . . . . . . . 4
9. Access the ‘Conguration system’ . . . . . . . . . . . . . . 6
10. Operate the conguration system . . . . . . . . . . . . . . 7
10.1.  ‘Normal mode’ of operation 7
10.2.  ‘Conguration mode’ 7
10.3.  ‘Tools’ menu 8
10.4.  Conguration block (‘password’) 8
11.  Error codes . . . . . . . . . . . . . . . . . . . . . . . . . . 8
12. Precautions on installation. . . . . . . . . . . . . . . . . . 9
13. Warranty . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
14. Factory default parameters . . . . . . . . . . . . . . . . . 9
15. CE declaration of conformity. . . . . . . . . . . . . . . . . 9

3.  Installation and start-up

If this is the rst time you are conguring this instrument, below are the steps to follow to install and congure the instrument.
Read all the manual sections in order to have a full and clear view of the characteristics of the instrument. Do not forget to read the installation precautions at section 12.
1. Install the instrument at the DIN rail
2. Connect the power supply (see section 8)
• see section 10.1 for an explanation on ‘normal mode’ of operation
3. Access the ‘conguration system’ (see section 9)
4. Congure the input signal and output signals
choose an input and output signal conguration code (see section 5)
• introduce the code at the instrument (see section 10.2)
6. Block access to the ‘conguration system’ (see section 9)
7. Connect the output signals (see section 8)
8. Connect the input signal (see section 8)
When the marks ‘Attention’ or ‘Risk of electrical shock’ appear, read the documentation for information about the nature of the risk.
1.  How to order
Reference Description
PCE-SCI-D Signal duplicator

2.  Material included

The instrument is provided with the following elements:
• 1 x instrument PCE-SCI-D
• 4 x plug-in screw terminals
• 1 x quick installation guide
2

4.  Additional information

Table 1 | Additional information
Document Link
User’s Manual
Datasheet
Quick installation guide
CE declaration
Warranty
Web www.pce-instruments.com
Page 3
5.  Conguration codes
7.  Technical specications
To activate the desired input and output signal ranges, activate the range
conguration code (see Table 2) into ‘conguration mode’ (see section
10.2). See connections at section 8.
Table 2 | Input and output signals - Conguration codes
Code Input signal Output 1 Output 2
10 4/20 mA 4/20 mA 4/20 mA
11 4/20 mA 4/20 mA 0/10 Vdc
12 0/10 Vdc 4/20 mA 4/20 mA
13 0/10 Vdc 4/20 mA 0/10 Vdc
14 [no function assigned]
15 Function ‘password
16 Reset to default factory parameters
17 Firmware version
18-20 [no function assigned]
--- Exit the menu without saving changes
Codes with ‘no function assigned’ will display message ‘nA’ indicating the code is ‘not available’.
To select the ‘active’ or ‘passive’ mA versions at the input and
output signals, congure the connection terminals as explained at section 8.

6.  Typical applications

To measure process signals and provide dual outputs in standard
4/20 mA or 0/10 Vdc. Inputs and outputs are isolated.
Single and dual signal retransmission to one or two remote acquisition
devices (HMI, PLC, Scada, ...). Local and remote verication of process
values.
INPUT SIGNAL RANGES
process 4/20 mA, 0/10 Vdc type of signal active and passive, the instrument provides
excitation voltage to power the transducer.
excitation voltage +15 Vdc, max. 25 mA, shortcircuit protected input impedance <2 Vdc voltage drop on terminals
maximum oversignal
*
‘maximum oversignal’ is the maximum signal accepted by the instrument. Higher signal values may cause instrument damage. Lower values are non destructive but may be out of accuracy specications.
ACCURACY AT 25 ºC 0.3 % F.S. for mA
THERMAL DRIFT 150 ppm/º
STEP RESPONSE <300 mSec. (0 % to 99 % signal)
OUTPUT SIGNAL 1
active 4/20 mA output 4/20 mA active, max. >20.5 mA, min. <1 mA,
passive 4/20 mA output 4/20 mA passive, max. 30 Vdc on terminals
OUTPUT SIGNAL 2
active 4/20 mA output 4/20 mA active, max. >20.5 mA, min. <1 mA,
passive 4/20 mA output 4/20 mA passive, max. 30 Vdc on terminals 0/10 Vdc output 0/10 Vdc, max. 10.5 Vdc, min.< -0.05 Vdc,
CONFIGURATION
key pad 2 keys display 2 digits, 7 segments, 5 mm height, red color
POWER SUPPLY
voltage range 20 to 240 Vdc ±10 %, isolated
AC frequency 45 to 65 Hz consumption <4.5 W power wires 1 mm overvoltage category 2
ISOLATION 4 WAYS
between all circuits 2300 Veff (60 seconds) except for input - output 2 1500 Vdc (60 seconds)
ENVIRONMENTAL
IP protection IP30 impact protection IK06 operation temperature 0 to +50 ºC storage temperature -20 to +70 ºC ‘warm-up’ time 15 minutes humidity 0 to 95% non condensing altitude up to 2000 meters
MECHANICAL
size 106 x 108 x 22.5 mm
mounting standard DIN rail (35 x 7.5 mm) connections housing material polyamide V0 weight <150 grams packaging 120 x 115 x 30 mm, cardboard
*
>1 MOhm for Vdc 25 mA for mA
25 Vdc for Vdc
0.3 % F.S. for Vdc
maximum load < 400 Ohm
maximum load < 400 Ohm
minimum load > 10 KOhm
60 to 240 Vac ±10 %, isolated
2
to 2.5 mm2 (AWG17 to AWG14)
plug-in screw terminal
(pitch 5.08 mm)
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8.  Connections and dimensions (mm (inch))

INPUT (Vdc / mA) (see ‘Table 5’)
POWER (ABC) 60 to 240 Vac isolated 20 to 240 Vdc isolated
22.5mm
(0.89’’)
7 8 9
Vexc (+15 Vdc) input signal (mA, Vdc)
common
3
Fuse - This instrument does not include internal protection fuse. According to security regulation
61010-1, add a protection fuse to the power
line to act as a disconnection element, easily
accessible to the operator and identied as
a protection device. Use time-lag fuse, with value :
• 250 mA, for voltages > 50 Vac/dc
• 400 mA, for voltages < 50 Vac/dc
108 mm
(4.25’’)
A B C
~ +
~ -
106 mm
(4.17’’)
fuse
Standard (35 mm) DIN rail mount
Table 3 | OUTPUT 1 signal connections
OUTPUT 1
signal
4/20 mA
active output
Vexc (out)
1 2 3
Output terminals Connections
1 2 3
mA-
(in)
output 4/20 mA passive (current out) output 4/20 mA (current in) output 4/20 mA active (current out)
123
mA­mA+
123
4 5 6
Table 4 | OUTPUT 2 signal connections
OUTPUT 2
signal
4/20 mA
active output
Vexc (out)
OUTPUT 2 (mA / Vdc) (see ‘Table 4’)OUTPUT 1 (mA) (see ‘Table 3’) common Vdc output 4/20 mA passive (current out)
output 0/10 Vdc
Output terminals Connections
4 5 6
mA-
(in)
output 4/20 mA (current in)
output 4/20 mA active (current out)
456
mA­mA+
456
4/20 mA
passive output
4
mA-
(in)
mA+
(out)
mA+ mA-
4/20 mA
passive output
0/10 Vdc
output
mA-
(in)
+Vdc common
mA+
(out)
mA+ mA-
456
common
+Vdc
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Table 5 | INPUT signal connections
INPUT
signal
4/20 mA
passive input
4/20 mA
active input
Input terminals Connections
7 8 9
Vexc mA-
mA- mA+
789
789
mA+ 
mA-
mA­mA+
(+15 Vexc)
ACTIVE AND PASSIVE SIGNALS
The instrument can be congured to measure process signals in 4/20 mA (active and passive) and 0/10 Vdc. The instrument has two outputs :
• output 1 is always xed to 4/20 mA (active and passive).
• output 2 can be congured for 4/20 mA (active and passive) or
0/10 Vdc.
To select the ‘active’ or ‘passive’ mA versions at the input and output
signals, congure the connection terminals according to your needs.
• active mA inputs are powered by an external element, and the
instrument receives an active mA signal.
• passive mA inputs are powered by the instrument, by using the
+15 Vdc (terminal 7) to power the transducer.
• active mA outputs are powered by the instrument.
• passive mA output are powered by an external element and the
instrument only controls the value of the mA, but it does not provide
power to the output loop.
0/10 Vdc (2 wires)
0/10 Vdc (3 wires)
+Vdc
common
+Vdc common
789
+15 Vexc +Vdc
common
Vexc +Vdc common
789
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9.  Access the ‘Conguration system’

ACCESS THE ‘CONFIGURATION SYSTEM’

Step numbers as referenced at the image below.
1. Remove the input signal terminal
• make sure that there are no dangerous voltages at the output signal terminals
2. Open the front cover
3. Congure the instrument
• locate the ‘conguration digits
• locate the ‘UP’ (5) and ‘SQ’ (<) keys
BLOCK ACCESS TO THE ‘CONFIGURATION SYSTEM’
4. Close the front cover
• remove the input signal terminal (if it was placed)
5. Connect the input signal terminal
• when connected at place, check that the front cover can not be opened
• if they were removed, connect the two output signal terminals
51
Opening the front cover reduces the security level. While front cover is open :
• the isolation between accessible parts and power supply is
reduced from ‘reinforced’ to ‘basic’.
• accessible parts are part of the input signal circuit.
• operations must be performed by qualied operators.
When correctly connected, the input signal terminal prevents the front cover from opening.
UP SQ
4
2
3
‘CONFIGURATION SYSTEM’
• the ‘conguration digits’ indicate the active input signal range (see section 5)
• keys ‘UP’ (5) and ‘SQ’ (<) to congure the instrument (see section 10.2)
Key ‘SQ’ (<)
Key ‘UP’ (5)
Conguration digits
UP SQ
Conguration digits
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10. Operate the conguration system
CONFIGURATION SYSTEM
The Series PCE-SCI of isolated signal converters provide a fast and
easy conguration system, based on function codes.
‘CONFIGURATION DIGITS’
The instrument provides two numerical leds, to inform about the actual state of the instrument, active input and output signal ranges, and error
codes (see section 11).
CONFIGURATION KEYPAD
The conguration keypad is located inside the instrument, behind the removable front cover. To access the conguration keypad, remove the input signal terminal, and open the front cover (see section 9). The
instrument allows to password lock the keypad functions, by activating
an access code (‘password’ function) (see section 10.4).

10.1.  ‘Normal mode’ of operation

‘NORMAL MODE’
When the power supply is connected, the instrument:
• activates the ‘conguration digits’, and displays the code for the actual
conguration (see section 5)
• the instrument is in ‘normal mode’ of operation
HOW TO ACCESS THE ‘CONFIGURATION MODE’ AND THE ‘TOOLS’ MENU
With the instrument in ‘normal mode’ of operation, there is access to the ‘conguration mode’ and the ‘tools’ menu.
• to access the ‘conguration mode’, press the ‘SQ’ (<) key for 1 second
(see section 10.2)
• to access the ‘tools’ menu, press the ‘UP’ (5) key for 1 second (see section 10.3)
‘ECO’ FUNCTION (‘CONFIGURATION DIGITS’ ARE AUTOMATICALLY POWERED OFF)
If there is no interaction from the operator for 60 seconds, the instrument
powers off the ‘conguration digits’. The decimal point remains active
(ashing), indicating that the instrument is working correctly.
10.2.  ‘Conguration mode’
HOW TO ACCESS THE ‘CONFIGURATION MODE’
With the instrument in ‘normal mode’ of operation (see section 10.1), press for 1 second the ‘SQ’ (<) key. The horizontal leds light from bottom to top. When the upper led lights, the instrument activates the ‘conguration mode’.
If the key is released before activating the ‘conguration mode’,
the horizontal leds light downwards from top to bottom, and
the instrument returns to ‘normal mode’ of operation.
Inside the ‘conguration mode’ the decimal point is not active.
Inside the ‘conguration mode’, the ‘conguration digits’ display the code of the active conguration (see section 5). Press the ‘UP’ (5) key to increase the code.
• press once to increase the value in +1
• maintain the key pressed to automatically increase the value
When the desired code is reached, press the ‘SQ’ (<) key. The leds light
a round shape while new conguration is stored, and the instrument
returns to ‘normal mode’ of operation.
When exiting the ‘conguration mode’ without changes (‘rollback activation, selection of inactive codes, etc), the horizontal leds
light down from top to bottom, and the instrument returns to ‘normal mode’ of operation.
‘ROLLBACK’ FUNCTION
If there is no interaction from the operator for 60 seconds, the instrument exits the ‘conguration mode’ and returns to ‘normal mode’ of operation,
discarding changes.
HOW TO POWER ON THE ‘CONFIGURATION DIGITS’
To power on the ‘conguration digits’, press one of the front keys ‘SQ’ (<) or ‘UP’ (5). This will power on the ‘conguration digits’, and activate the ‘normal mode’ of operation.
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9. Operate the conguration system (cont.)

10.3.  ‘Tools’ menu

HOW TO ACCESS THE ‘TOOLS’ MENU
With the instrument in ‘normal mode’ of operation (see section 10.1), press for 1 second the ‘UP’ (5) key. The horizontal leds light from bottom to top. When the upper led lights, the instrument activates the ‘tools’ menu.
If the key is released before activating the ‘tools’ menu, the
horizontal leds light downwards from top to bottom, and the
instrument returns to ‘normal mode’ of operation.
Inside the ‘tools’ menu, the decimal point is not active.
Inside the ‘tools’ menu, the ‘conguration digits’ indicate the rst function available.
• press the ‘UP’ (5) key to move to the next function.
• press the ‘SQ’ (<) key to activate the selected function.
To exit the ‘tools’ menu, press the ‘UP’ (5) key until the parameter ‘--’ appears, and press the ‘SQ’ (<) key (or wait 60 seconds without pressing any key to wait for the automatic ‘rollback’).
When exiting the ‘tools’ menu, the horizontal leds light down
from top to bottom, and the instrument returns to ‘normal
mode’ of operation.
‘ROLLBACK’ FUNCTION
If there is no interaction from the operator for 60 seconds, the instrument exits the ‘tools’ menu and returns to ‘normal mode’ of operation.
10.4.  Conguration block (‘password’)
HOW TO BLOCK ACCESS TO ‘CONFIGURATION MODE’ (‘PASSWORD’)
Dene a ‘password’ code to prevent access to ‘conguration mode’ and to ‘tools’ menu to unauthorized operators. The ‘password’ code will be requested when trying to access the ‘conguration mode’ or the ‘tools’ menu.
To activate a ‘password’ select code ‘15’ inside the ‘conguration mode’. The step-by-step process is indicated below:
• access the ‘conguration mode’ (see section 10.2)
• access code ‘15
• press the ‘SQ’ (<) key to select
• the ‘conguration digits’ indicate code ‘00’ ashing
• press the ‘UP’ (5) key to select the desired code (for example ‘73’)
• press the ‘SQ’ (<) key to validate or wait for the automatic ‘rollback’
(60 seconds) to exit without changes
• the menu returns ‘normal mode’ (see section 10.1)
Once the ‘password’ code is applied, when a key is pressed, the ‘conguration digits’ indicate code ‘00’ ashing. Enter the ‘password
code to unlock access (code ‘73’ in the previous example).
HOW TO DEACTIVATE THE ‘PASSWORD’
To deactivate the ‘password’, access again to code ‘15’ and select value 00’. Press ‘SQ’ (<) key to conrm.
AVAILABLE FUNCTIONS
The ‘Force low’ (FL) and ‘Force high’ (Fh) functions allow to temporarily force the output signals to the low and high levels of the actual output signal ranges selected. These tools allow to easily validate the correct function of the remote elements connected to the instrument outputs.
• select ‘Force low’ (FL) function to set both output signals to the
minimum value of the selected ranges (4 mA or 0 Vdc). The ‘FL ash message indicates that the function is active. Press any key to
deactivate and return to the ‘Force low’ (FL) menu entry.
• select ‘Force high’ (Fh) function to set both output signal to the
maximum value of the selected range (20 mA or 10 Vdc). The ‘Fh ash message indicates that the function is active. Press any key to deactivate and return to the ‘Force high’ (Fh) menu entry.
Table 6 | ‘Tools’ menu
UP
Press ‘UP’ (5) for 1 second to access the ‘tools’ menu.
‘Force Low’
‘Force high’
Exit

11.  Error codes

In case of error, the error code is shown ashing on the ‘conguration digits’. The error code is not visible inside ‘conguration mode’ or inside
the ‘tools’ menu. The error code remains active on display until the problem that caused
the error is solved. In case of multiple error codes, solve the rst problem to see the next active error code.
Table 7 | Error codes
Password error’.
E1
If ‘password’ function is active, the password code entered is not correct.
Hardware overrange’.
E2
Input signal is above the maximum readable signal. Output signal is the maximum available 10.5 Vdc, 20.5 mA.
Hardware underrange’. Input signal is below the minimum readable signal. Input signal is
E3
<0 Vdc. Input signal is <0 mA. Possible shortcircuit. Possible open
circuit.
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12.  Precautions on installation

14.  Factory default parameters

Risk of electrical shock. Instrument terminals can be connected to dangerous voltage.
Instrument protected with double isolation. No earth connection required.
Instrument conforms to CE rules and regulations.
This instrument has been designed and veried conforming to the 61010-1 CE Security Regulation, for industrial applications. Installation of this instrument must be performed by qualied personnel only. This
manual contains the appropriate information for the installation. Using
the instrument in ways not specied by the manufacturer may lead to a reduction of the specied protection level. Disconnect the instrument from all external circuits before starting any maintenance and / or
installation action. The instrument does not have a general switch and will start operation
as soon as power is connected. The instrument does not have protection fuse, the fuse must be added during installation.
The instrument is designed to be DIN rail mounted, inside a cabinet, protected from direct impacts. An appropriate ventilation of the
instrument must be assured. Do not expose the instrument to excess of
humidity. Maintain clean by using a humid rag and do NOT use abrasive products such as alcohols, solvents, etc. General recommendations for electrical installations apply, and for proper functionality we recommend : if possible, install the instrument far from electrical noise or magnetic
eld generators such as power relays, electrical motors, speed variators,
... If possible, do not install along the same conduits power cables
(power, motor controllers, electrovalves, ...) together with signal and/ or control cables. Before proceeding to the power connection, verify
that the voltage level available matches the power levels indicated in
the label on the instrument. In case of re, disconnect the instrument from the power line, re alarm according to local rules, disconnect the air conditioning, attack re with carbonic snow, never with water.
Conformity with security regulations EN-61010-1 requires that
the front cover is closed. The input terminal prevents the front cover from opening.
Displayed code [10]
Input signal 4/20 mA Output signal 1 4/20 mA Output signal 2 4/20 mA
Password code disabled [00]
RESET TO DEFAULT FACTORY PARAMETERS
To recover the instrument to default factory parameters, select code ‘16’ and activate value ‘01’.
• access the ‘conguration mode
• access code ‘16’ and press key ‘SQ’ (<)
• the ‘conguration digits’ show code ‘00’ ashing
• press key ‘UP’ (5) to change to value ‘01
• press key ‘SQ’ (<)
• the leds light a round shape while the new conguration is stored, and
the instrument returns to ‘normal mode’ of operation
• the ‘conguration digits’ show code ‘10.’ and the default factory
conguration is now active
FIRMWARE VERSION
The instrument ‘rmware’ version is an alphanumerical code from ‘00’ to ‘FF’, accessible through conguration code ‘17’.

15.  CE declaration of conformity

Manufacturer PCE INSTRUMENTS Products PCE-SCI-D The manufacturer declares that the instruments indicated comply with the
directives and rules indicated below. Electromagnetic compatibility directive 2014/30/EU
Low voltage directive 2014/35/EU ROHS directive 2015/863/EU WEEE directive 2012/19/EU
Security rules EN-61010-1
Instrument Fixed, Permanently connected Pollution degree 1 and 2 (without condensation)
Isolation Double Overvotlage category 2
Electromagnetic compatibility rules EN-61326-1
EM environment
CISPR 11 Instrument Class A & Class B Group 1
Industrial

13.  Warranty

This instrument is warranted against all manufacturing defects for a
period of 36 months, as requested by the European legislation. This
warranty does not apply in case of misuse or accident, and the scope of the warranty is limited to repair of the instrument, not being the manufacturer responsible for additional damages or additional costs.
Within the warranty period and after examination by the manufacturer,
the unit will be repaired or substituted when found to be defective.
According to directive 2012/19/EU, electronic equipment
must be recycled in a selective and controlled way at the end of its useful life.
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GERMANY PCE Deutschland GmbH Im Langel 26 D-59872 Meschede Deutschland Tel.: +49 (0) 2903 976 99 0 Fax: +49 (0) 2903 976 99 29 info@pce-instruments.com www.pce-instruments.com/deutsch
FRANCE PCE Instruments France EURL 23, rue de Strasbourg 67250 Soultz-Sous-Forets France Téléphone: +33 (0) 972 3537 17 Numéro de fax: +33 (0) 972 3537 18 info@pce-france.fr www.pce-instruments.com/french
SPAIN PCE Ibérica S.L. Calle Mula, 8 02500 Tobarra (Albacete) España Tel. : +34 967 543 548 Fax: +34 967 543 542 info@pce-iberica.es www.pce-instruments.com/espanol
NETHERLANDS PCE Brookhuis B.V. Institutenweg 15 7521 PH Enschede Nederland Telefoon: +31 (0)53 737 01 92 Fax: +31 53 430 36 46 info@pcebenelux.nl www.pce-instruments.com/dutch
USA PCE Americas Inc. 1201 Jupiter Park Drive, suite 8 Jupiter / Palm Beach 33458 FL USA Tel: +1 (561) 320-9162 Fax: +1 (561) 320-9176 info@pce-americas.com www.pce-instruments.com/us
UNITED KINGDOM PCE Instruments UK Ltd Trafford House Chester Rd, Old Trafford Manchester M32 0RS United Kingdom Tel: +44 (0) 2380 98703 0 Fax: +44 (0) 2380 98703 9 info@industrial-needs.com www.pce-instruments.com/english
TURKEY PCE Teknik Cihazları Ltd.Şti. Halkalı Merkez Mah. Pehlivan Sok. No.6/C 34303 Küçükçekmece - İstanbul Türkiye Tel: 0212 471 11 47 Faks: 0212 705 53 93 info@pce-cihazlari.com.tr www.pce-instruments.com/turkish
ITALY PCE Italia s.r.l. Via Pesciatina 878 / B-Interno 6 55010 Loc. Gragnano Capannori (Lucca) Italia Telefono: +39 0583 975 114 Fax: +39 0583 974 824 info@pce-italia.it www.pce-instruments.com/italiano
DENMARK PCE Instruments Denmark ApS Birk Centerpark 40 7400 Herning Denmark Tel.: +45 70 30 53 08 kontakt@pce-instruments.com www.pce-instruments.com/dansk
www.pce-instruments.com
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