PKP TFK02 User manual

Instruction Manual
TFK02
Compact Resistance temperature sensor (Pt100)
PKP Prozessmesstechnik GmbH
Borsigstraße 24
D-65205 Wiesbaden- ordenstadt
Tel.: ++49-(0)6122-7055-0
Fax: ++49-(0)6122-7055-50
Email: info@pkp.de

Table of Contents
Safety Information..................................................................................................................2
orms.....................................................................................................................................3
Installation and Commissioning.............................................................................................3
Electrical Connection.............................................................................................................4
Terminal Assignment for Resistance Thermometer Pt100...................................................4
Maintenance and Care...........................................................................................................5
Calibration..............................................................................................................................5
Safety Information
eneral Instructions
To ensure safe operation, the device should only be operated according to the
specifications in the instruction manual. The requisite Health & Safety regulations for a
given application must also be observed. This statement also applies to the use of
accessories.
Every person who is commissioned with the initiation or operation of this device must have
read and understood the operating instructions and in particular the safety instructions!
The liability of the manufacturer expires in the event of damage due to improper use, non-
observance of this operating manual, use of insufficiently qualified personnel and
unauthorized modification of the device.
Proper Usage
The temperature measuring instruments of the TFK02 series are used for monitoring
temperatures of gaseous and liquid media which do not attack the device materials. Any
other use of the device is not permitted and is outside the scope of application..
In particular, applications in which shock loads occur (for example, pulsed operation)
should be discussed and checked in advance with our technical staff.
The devices of the TFK02 series should not be used as sole monitoring devices in order to
detect or even avoid dangerous operating states in plants or machines. Machinery and
plant need to be designed in such a manner that faulty conditions and malfunctions do not
arise that could pose a safety risk for operators.
Dangerous substances
For dangerous media such as e.g. Oxygen, Acetylene, flammable or toxic substances as
well as refrigeration systems, compressors, etc. must comply with the relevant regulations
beyond the general rules.
TFK02 Instruction manual 12/2019 page 2

Qualified Personnel
The TFK02 devices may only be installed by trained, qualified personnel who are able to
mount the devices correctly. Qualified personnel are persons, who are familiar with
assembling, installation, placing in service and operating these devices and who are
suitably trained and qualified.
Inward Monitoring
Please check directly after delivery the device for any transport damages and deficiencies.
Additional with reference to the accompanying delivery note the number of parts must be
checked.
Claims for replacement or goods which relate to transport damage can only be considered
valid if the delivery company is notified without delay.
Norms
Resistance thermometers generally comply with the DI IEC 751 standard.
Thermocouples generally comply with the DI IEC 584 standard.
Installation and Commissioning
•The temperature measuring point should be prepared according to the indications
for screw-in holes. For more information, please see of VDE/VDI directive 3511 and
3512 page 3.
•For sealing purposes, please use gaskets according to DI 7603A.
•If the sensor is smooth, compression fittings can be used.
•The correct torque depends on material and design of the sealing used. It should
not exceed 80 m.
•The mounting location should be free from strong vibration.
•The mounting location should be at a characteristic point in the process.
•The active length (the temperature-sensitive part) of a resistance thermometers is
max. 30 mm at the lower end of the immersion tube. In media with a temperature
stratification, only the temperature at the height of the immersion tube end is
measured. If the average temperature is to be measured, special designs are
required – please inquire.
•The smaller the probe dimension, the faster it will respond to temperature changes.
The response speed improves most by reducing the probe diameter.
TFK02 Instruction manual 12/2019 page 3

Electrical Connection
Attention: Before the electrical connection of the device, it must be ensured that the
supply voltage corresponds to the required one and that the supply voltage is switched off.
•The electrical connection is made via the terminals in the connection head.
•The exact pin assignment can be found in the drawings.
•The measuring current for resistance thermometers Pt100 is 0,3 – 1,0 mA. These
values must not be exceeded.
•Commercially available copper cables with preferably 1.5 mm² cross-section are
recommended as connections for resistance thermometers. We recommend
twisted and shielded cables against magnetic or electrical interference.
•When connecting transmitters, the installation, connection and test specifications of
the version to be used must be observed.
Terminal Assignment for Resistance Thermometer Pt100
1. Connection for resistance output:
The type of connection has a considerable influence on the measuring accuracy.
•The 2-wire circuit, together with a balancing resistor, compensates 1 static lead
resistance. Temperature-induced changes in the lead resistance are not
compensated.
•The 3-wire circuit compensates the lead resistance and its changes with a high
accuracy. The prerequisite for the type of connection is three identical connecting
cables, preferably three cores of the same cable.
•The 4-wire circuit compensates all errors that can occur due to lead resistance.
TFK02 Instruction manual 12/2019 page 4

2. Connection for current analogue output 4...20 mA:
2-wire: Pin 1 = +UB
Pin 2 = G D / signal
3. Connection for voltage analogue output 0...10 V:
3-wire: Pin 1 = +UB
Pin 2 = G D
Pin 3 = signal
Maintenance and Care
The resistance thermometers described here are maintenance-free. They do not contain
any components that have to be repaired or replaced on site. Repairs are only carried out
at the manufacturer´s works.
Calibration
We recommend an inspection interval of 2 years. The calibration period is determined
individually by the user and depends on the intensity of use.
If inadmissible deviations (defined by the customer) occur during recalibration, the
recalibration period must be shortened.
TFK02 Instruction manual 12/2019 page 5

Temperature Measurement and Monitoring
TFK02
Compact Resistance
Temperature Sensor (Pt100)
•with angle plug acc to
DIN EN 175301-803 form A
•small design
•interchangeable insert
•integrated transmitter optional
•resistance, current and voltage output
•wetted parts made of stainless steel 1 4571
•measuring range from -200 °C to 600 °C
•short response time
•easy to service
•max pressure: 25 bar (40 bar on request)
Description:
A temperature-dependent electrical resistance is integrated in
a stainless steel protective tube. This changes its ohmic resis-
tance depending on the temperature of the medium.
In the version with built-in transmitter, this value is converted
into a 4...20 mA current signal or a 0-10 voltage signal and
provided at the terminals of the cubic plug. In the version
without transmitter, the pure resistance value can be tapped
at the connector. To achieve short response times, there is a
version with a rejuvenated immersion shaft.
The use of the angle plug according to DIN EN 175301-803 is
advantageous.
Typical applications:
The resistance thermometers are very well suited for use in
general machine, apparatus, plant, container and pipeline
construction, as well as in the chemical and process engi-
neering and food industries, where they are preferably used
for detecting the temperature in liquid and gaseous media.
Their compact design makes them particularly suitable for
installation in places with limited space.
PKP Prozessmesstechnik GmbH
Borsigstr. 24 • D-65205 Wiesbaden
S +49 (0) 6122-7055-0 • T +49 (0) 6122 7055-50
[email protected] • www.pkp.de
20190124

Models:
TFK02.xPx: output Pt100, 2-,3 or 4-wire
single or double element
TFK02.A0 : output 4–20 mA, 2-wire
TFK02.V10: output 0–10 , 3-wire
Technical Data:
Sensor: Pt100 acc. to DIN IEC 751, class A
Measuring ranges: -50…200 °C w/o neck tube
-50…400 °C with neck tube 50 mm
0…600 °C with neck tube
-200...+100 °C with neck tube 50 mm
Electr. connection: angle plug form A
acc. to DIN EN 175301-803, IP65
Thermowell:
Diameter 6 or 8 mm
Material: stainless steel 1.4571
Process connection: fix screw connection or
movable compression fitting
others (e.g. Clamp) on request
Max. pressure: PN 25 (PN 40 on request)
Transmitter:
Power supply: depend on output
Output: 4–20 mA, 2-wire, 10...35 DC
0–10 , 3-wire, 15...35 DC
Min. turn down ratio: 20 Kelvin
Max. turn down ratio: 800 Kelvin
Accuracy: 0,3 % of full scale
Dimensions:
Order Code:
Order number: TFK02.
Compact resistance
temperature sensor
1P2. 6. 08F. 0050. 200. 0
Sensor:
1P2 = 1 x Pt100, 2-wire
1P3 = 1 x Pt100, 3 wire
1P4 = 1 x Pt100, 4 wire
2P2 = 2 x Pt100, 2-wire
A04 = 4–20 mA*
10 = 0–10 *
*please specify measuring range
preferably 0..50 °C, 0..100 °C,
0…120 °C)
Diameter of immersion shaft:
6 = 6 mm
8 = 8 mm
Process connection:
0 = without screw conn., only immersion shaft
(compression fitting see accessories)
08F = G 1/4 A fix
10F = G 3/8 A fix
15F = G 1/2 A fix
2NF = 1/2" NPT fix
other connections on request
Installation length L:**
0025 = 25 mm (only with fix screw connection)
0050 = 50 mm (only with fix screw connection)
0075 = 75 mm (only with fix screw connection)
0100 = 100 mm **
0160 = 160 mm **
0200 = 200 mm **
0250 = 250 mm **
0500 = 500 mm **
xxxx = please specify in plain text
Temperature range:
200 = -50…200 °C without neck tube
400 = -50…400 °C with neck tube 50 mm
600 = 0…600 °C with neck tube
a) w/o transmitter 50 mm
b) with transmitter 100 mm, also fix measuring insert
100 = -200...+100 °C with neck tube 50 mm (special design)
Options:
0 = without
R = rejuvenated immersion shaft (description see “Options”)
** with fix screw connection: measured from sealing edge of
screw connection; with removable connection: entire shaft length
Accessories:
Order number: SVQ.
Compression fitting
(installation length min. 100 mm)
V.08. 06
Process connection:
.08 = G 1/4 male
.10 = G 3/8 male
.15 = G 1/2 male
.08N = 1/4“ NPT
.15N = 1/2“ NPT
Diameter of immersion shaft:
06 = 6 mm
08 = 8 mm
Options:
Thermowell reduced to 3 mm diameter for faster response
times. Only for versions with fixed screw connection and ther-
mowell diameter 6 mm.
PKP Prozessmesstechnik GmbH
Borsigstr. 24 • D-65205 Wiesbaden
S +49 (0) 6122-7055-0 • T +49 (0) 6122 7055-50
[email protected] • www.pkp.de
Temperatur
e
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