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TR34 1
TR34
In stock at WIKA
WIKA · Temperature measurement · Family TR34

Miniature resistance thermometer

Threaded, explosion-protected version
Range
-50…250 °C
Output
4-20mA · HART
Accuracy
±0.25 K (transmitter)
Protection
IP67
CEEACRoHSREACHEx i
Price
From €125
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Description

Resistance thermometers of these series are used as universal thermometers for the measurement of liquid and gaseous media in the range -50 ... +250 °C [-58 ... +482 °F]. The instruments are intrinsically safe and suitable for use in hazardous areas.

They can be used for pressures up to 140 bar [2,030 psi] with 3 mm [0.12 in] sensor diameters and up to 270 bar [3,916 psi] with 6 mm [0.24 in] sensor diameters, depending on the instrument version. All electrical components are protected against humidity (IP67 or IP69K) and designed to withstand vibration (20 g, depending on instrument version).

The resistance thermometer is available with direct sensor output or integrated transmitter, which can be configured individually via the WIKAsoft-TT PC configuration software. Measuring range, damping, error signalling per NAMUR NE 043 and TAG no. can be adjusted.

for further approvals, see page 8

Special features

  • Intrinsically safe Ex i version, very compact design, high vibration resistance and fast response time
  • With direct sensor output (Pt100, Pt1000 in 2-, 3- or 4-wire connection) or integrated transmitter with 4 ... 20 mA output signal
  • Integrated transmitter is individually parameterisable with free-of-charge WIKAsoft-TT PC configuration software
  • Sensor element with accuracy class A per IEC 60751
Identification
ModelTR34
SubcategoryResistance thermometer with integrated transmitter or direct output
Measuring range
Temperature ranges−50…+250 °C · −30…+150 °C · −20…+125 °C
Accuracy
Accuracy class±0.25 K (transmitter), Class A (sensor)
Process conditions
Process connection
G¼BG⅜BG½B¼NPT½NPTM12 x 1.5M20 x 1.57/16-20 UNF-2A
Process temperature−50…+250 °C
Electrical characteristics
Output signal4-20mA · HART
Power supplyDC 10 ... 30V
Electrical connectionM12 x 1 circular connector (4-pin)
Materials
Probe materialStainless steel 1.4571
Operating environment
Ambient temperature−40…+85 °C
IP ratingIP67
Certifications and approvals
Certifications
CEEACRoHSREACH
Explosion protectionEx i
Additional details
Sensor typePt100, Pt1000
Sensor classA, B
Probe diameter3 mm
ThermowellNo
Datasheet languagesEN, DE
Tables from datasheet
Measuring element
Type of measuring element
Version 4 ... 20 mA(modelTR34-x-TT)Pt1000 (measuring current < 0.3 mA;self-heating can be ignored)
Version Pt100 (model TR34-x-Px) / Pt1000 (model TR34-x-Sx)■ Pt100 (measuring current: 0.1 ... 1.0 mA) ■ Pt1000 (measuring current: 0.1 ... 0.3 mA)
→ For detailed specifications for Pt sensors, see Technical information IN 00.17 at www.wika.com.
Connection method
Version 4 ... 20 mA(modelTR34-x-TT)2-wire
Version Pt100 (model TR34-x-Px) / Pt1000 (model TR34-x-Sx)2-wireThe lead resistance is recorded as an error in the measurement
3-wireWith a cable length of 30 mor longer, measuring deviations can occur
4-wireThe lead resistance can be ignored
Tolerance value of the measuring element 1) per IEC 60751
Version 4 ... 20 mA(modelTR34-x-TT)Class A
Version Pt100 (model TR34-x-Px) / Pt1000 (model TR34-x-Sx)■ Class A ■ Class B at2-wire
Accuracy specifications (4 ... 20 mA version)
Tolerance value of the measuring element 1) per IEC 60751Class A
Measuring deviation of the transmitter per IEC 62828±0.25 K
Total measuring deviation per IEC 62828Measuring deviation of the measuring element + transmitter
Influence of ambient temperature0.1 %of the set measuring span / 10 KT a
Influence of supply voltage±0.025 %/V(depending on the supply voltage U B )
Influence of load±0.05 %/ 100Ω
LinearisationLinear to temperature per IEC 60751
Output error±0.1% 2)
Reference conditions
Ambient temperatureT a ref23 °C
Supply voltage U B refDC 12V
Measuring range
Temperature range
Version 4 ... 20 mA(modelTR34-x-TT)Without neck tube -30 ...+150 °C [-22 ...+302 °F] With neck tube -30 ...+250 °C [-22 ...+482 °F] 1) Version with FKM O-ring: -20 ...+125 °C [-4 ...+257 °F]
Version Pt100 (model TR34-x-Px) / Pt1000 (model TR34-x-Sx)Class AWithout neck tube -30 ...+150 °C [-22 ...+302 °F] With neck tube -30 ...+250 °C [-22 ...+482 °F] Version with FKM O-ring: -20 ...+125 °C [-4 ...+257 °F]
Class BWithout neck tube -50 ...+150 °C [-58 ...+302 °F] With neck tube -50 ...+250 °C [-58 ...+482 °F]
Unit (4 ... 20 mA version)Configurable °C, °F, K
Temperature at the connector (Pt100, Pt1000 version)Max. 85 °C [185 °F]
Measuring span (4 ... 20 mA version)Minimum 20 K, maximum 300 K
Process connection
Type of process connection■ G¼B ■ G⅜B ■ G½B ■ ¼NPT ■ ½NPT ■ M12 x 1.5 ■ M20 x 1.5 ■ 7/16-20 UNF-2A
Protection tube
Protection tube diameter■ 3 mm[0.12 in] ■ 6 mm[0.24 in]
Insertion length U 1■ 50 mm[1.97 in] ■ 75 mm[2.95 in] 1) ■ 100 mm[3.94 in] 1) ■ 120 mm[4.72 in] 1) ■ 150 mm[5.91 in] 1) ■ 200 mm[7.87 in] 1) ■ 250 mm[9.84 in] 1) ■ 300 mm[11.81 in] 1) ■ 350 mm[13.78 in] 1) ■ 400 mm[15.75 in] 1) Other insertion lengths on
request
Material (wetted)Stainless steel 1.4571
View all (20)
Output signal (4 ... 20 mA version)
Analogue output4 ... 20 mA, 2-wire
Load R AR A ≤ (U B - 10 V) / 23 mAwith R A in Ωand U B inV The permissible load depends on the loop supply voltage. For communication with the instrument with programming unit PU-548, a max. load of 350 Ωis admissible.
Load diagramLoad R A inΩ Voltage U B inV 0 10 24 30 833 583
Factory configuration
Measuring rangeMeasuring range 0 ... 150 °C [32 ... 302 °F] Other measuring ranges are adjustable
Current values for error signallingConfigurable in accordance with NAMUR NE 043 downscale ≤ 3.6mA upscale ≥ 21.0mA
Current value for sensor short-circuitNot configurable in accordance with NAMUR NE 043 downscale ≤ 3.6mA
Communication
Info dataTAG no., description and user message can be stored in transmitter
Configuration and calibration dataPermanently stored
Configuration softwareWIKAsoft-TT → Configuration software (multilingual) as a download from www.wika.com
Voltage supply
Supply voltage U BDC 10 ...30V
Supply voltage inputProtected against reverse polarity
Permissible residual ripple of supply voltage10 %generated by U B < 3 %ripple of the output current
Time response
Switch-on delay, electricalMax. 4 s (time before the first measured value)
Warm-up timeAfter approx. 4 minutes, the instrument will function to the specifications (accuracy) given in the data sheet.
Sensor current< 0.3 mA(self-heating can be ignored)
Electrical connection
Connection typeM12 x 1 circular connector (4-pin)
MaterialStainless steel 1.4571
PinSignalDescription
1L+10 ...30V
2VQnot connected
3L-0V
4Cnot connected
Operating conditions
Ambient temperature range
Version 4 ... 20 mA(modelTR34-x-TT)-40 ...+85 °C [-40 ...+185 °F] Version with FKM O-ring: -20 °C [-4 °F]
Version Pt100 (model TR34-x-Px) / Pt1000 (model TR34-x-Sx)-50 ...+85 °C [-58 ...+185 °F] Version with FKM O-ring: -20 °C [-4 °F]
Storage temperature range-40 ...+85 °C [-40 ...+185 °F] Version with FKM O-ring: -20 °C [-4 °F]
Climate class per IEC 60654-1
Version 4 ... 20 mA(modelTR34-x-TT)Cx (-40 ...+85 °C [-40 ...+185 °F], 5 ... 95 %r.h.) Version with FKM O-ring: -20 °C [-4 °F]
Version Pt100 (model TR34-x-Px) / Pt1000 (model TR34-x-Sx)Cx (-50 ...+85 °C [-58 ...+185 °F], 5 ... 95 %r.h.) Version with FKM O-ring: -20 °C [-4 °F]
Maximum permissible humidity, condensation100 %r.h., condensation allowed
Maximum operating pressure 1) 2)
With sensor diameter 3 mm[0.12 in]140 bar [2,030 psi]
With sensor diameter 6 mm[0.24 in]270 bar [3,916 psi]
Salt fogIEC 60068-2-11
Vibration resistance per IEC 6075110 ... 2,000 Hz, 20 g 1)
Shock resistance per IEC 60068-2-2750 g, 6 ms, 3 axes, 3 directions, three times per direction
Ingress protection (IP code)
Case with connected connector■ IP67 per IEC/EN 60529 ■ IP69 per IEC/EN 60529 ■ IP69K per ISO 20653
The stated ingress protection only applies when plugged in using line connectors that have the appropriate ingress protection.
Coupler connector, not connectedIP67 per IEC/EN 60529
WeightApprox. 0.2 ... 0.7 kg [0.44 ... 1.54 lbs] - depending on version
MaterialStainless steel
Hazardous gas atmosphereTemperature classAmbient temperature range (T a )Maximum surface temperature (T max ) at the tip of the probe or protection tube
II 1G Ex ia IIC T1 - T6 Ga II 1/2G Ex ia IIC T1 - T6 Ga/Gb II 2G Ex ia IIC T1 - T6 GbT6-40 ...+45 °CT M (medium temperature) + self-heating (15 K) Pay attention to the special conditions for safe
T5-40 ...+60 °Cuse.
T4-40 ...+85 °C
T3-40 ...+85 °C
T2-40 ...+85 °C
T1-40 ...+85 °C
Hazardous dust/air atmospheresPower P iAmbient temperature range (T a )Maximum surface temperature (T max ) at the tip of the probe or protection tube
II 1D Ex ia IIIC T135 °C Da II 1/2D Ex ia IIIC T135 °C Da/Db II 2D Ex ia IIIC T135 °C Db750mW 650mW 550mW-40 ...+40 °C -40 ...+70 °C -40 ...+85 °CT M (medium temperature) + self-heating (15 K) Pay attention to the special conditions for safe use.
ParametersHazardous gas atmosphereHazardous dust/air atmospheres
Terminals+ / -+ / -
Voltage U iDC 30VDC 30V
Current l i120mA120mA
Power P i800mW750/650/550mW
Effective internal capacitance C i29.7 nF29.7 nF
Effective internal inductance L iNegligibleNegligible
Maximum self-heating at the probe or protection tube tip15 K15 K
MarkingTemperature classAmbient temperature range (T a )Maximum surface temperature (T max ) at the tip of the probe or protection tube
II 1G Ex ia IIC T1 - T6 Ga II 1/2G Ex ia IIC T1 - T6 Ga/Gb II 2G Ex ia IIC T1 - T6 GbT6-50 ...+80 °C -50 ...+85 °CT M (medium temperature) + self-heating Pay attention to the special conditions for safe use.
T5
T4-50 ...+85 °C
T3-50 ...+85 °C
T2-50 ...+85 °C
T1-50 ...+85 °C
MarkingPower P iAmbient temperature range (T a )Maximum surface temperature (T max ) at the tip of the probe or protection tube
II 1D Ex ia IIICT135 °C Da II 1/2D Ex ia IIIC T135 °C Da/Db II 2D Ex ia IIIC T135 °C Db750mW 650mW 550mW-50 ...+40 °C -50 ...+70 °C -50 ...+85 °CT M (medium temperature) + self-heating Pay attention to the special conditions for safe use.
ParametersGas applicationsDust applications
Terminals1 - 41 - 4
Voltage U iDC 30VDC 30V
Current l i550mA250mA
Power P i1,500mW750/650/550mW
Effective internal capacitance C iNegligibleNegligible
Effective internal inductance L iNegligibleNegligible
Maximum self-heating at the probe or protection tube tip(R th ) = 335 K/W(R th ) = 335 K/W
LogoDescriptionRegion
EU declaration ofconformityEuropean Union
EMCdirective 1) EN 61326 emission (group 1,class B) and immunity (industrial application)
ATEX - Ex idirective Hazardous areas Zone 0 gas II 1G Ex ia IIC T1 ...T6 Ga Zone 1 mounting to zone 0 gas II 1/2G Ex ia IIC T1 ...T6 Ga/Gb
LogoDescriptionRegion
IECEx - in combination with ATEX Hazardous areasInternational
CSAUSA and Canada
Safety (e.g. electr. safety, overpressure, ...)
Hazardous areas - Ex i (for Canada) Division Division Division Division Zone Zone Zone Zone - Ex i (for USA) Division Division Division Division Zone Zone ZoneCL I, DIV 1, GP A, B, C, D, T1 ...T6 CL I, DIV 2, GP A, B, C, D, T1 ...T6 CL II / III, DIV 1, GP E, F, G, T135 °C CL II / III, DIV 2, GP E, F, G, T135 °C Ex ia IICT1…T6 Ga Ex ia IICT1…T6Gb Ex ia IIIC T135 °C Da Ex ia IIIC T135 °C Db CL I, DIV 1, GP A, B, C, D, T1 ...T6 CL I, DIV 2, GP A, B, C, D, T1 ...T6 CL II / III, DIV 1, GP E, F, G, T135 °C CL II / III, DIV 2, GP E, F, G, T135 °C CL I, zone 0, IIC AEX ia T1 ...T6 Ga CL I, zone 1, IIC AEX ia T1 ...T6 Gb CL II, zone 20, IIIC AEX ia T135 °C Da
EACEurasian Economic Community
EMCdirective 1)
Hazardous areas - Ex i Zone 0 gas 0 Ex ia IICT6…T1GaX Zone 1 gas 1 Ex ia IICT6…T1GbX Zone 20 dust Ex ia IIIC 135 °C Da X Zone 21 dust Ex ia IIIC 135 °C Db X
LogoDescriptionRegion
Ex Ukraine Hazardous areas - Ex i Zone 1 gas Ex ia IIC T1 ...T6 Gb Zone 0 gas Ex ia IIC T3 ...T6 GaUkraine
CCC 1) Hazardous areas - Ex i Zone 1 gas Ex ia IIC T3 ...T6 Gb Zone 1 mounting to zone 0 gas Ex ia IIC T3 ...T6 Ga/Gb - Ex n Zone 2 gas Ex nA IIC T1 ...T6China
DNOP - MakNII MiningUkraine
PAC Russia Metrology, measurement technologyRussia
PAC Kazakhstan Metrology, measurement technologyKazakhstan
-MChS Permission for commissioningKazakhstan
PAC Belarus Metrology, measurement technologyBelarus
-PAC Ukraine Metrology, measurement technologyUkraine
PAC Uzbekistan Metrology, measurement technologyUzbekistan
Certification typeMeasurement accuracyMaterial certificate
2.2 test reportxx
3.1 inspection certificatexx
DAkkS calibration certificatex-
ModelDescriptionOrder no.
Programming unit Model PU-548■ Easy to use ■ LED status display ■ Compact design ■ No further voltage supply needed, neither for the programming unit nor for the transmitter14231581
Adapter cable(replaces programming unit model PU-448) Adapter cable for the connection of a modelTR34 resistance thermometer to the model PU-548 programming unit14003193
M12 x 1 transmitter adapter to DIN EN 175301-803 angular connector (yellow female connector element)Adapter for the connection of a resistance thermometer with a DIN EN 175301-803 angular connector form A with a 4 ...20mA output signal → see data sheet AC 80.17 Case: PA Ambient temperature: -40 ...+115 °C [-40 ...+239 °F] Union nut: Zinc die-cast Contacts: Copper-zinc alloy, tin-plated Dielectric strength: 500V Ingress protection: IP65 4 ...20mA M12 x 1 connector Angular connector14069503
M12 x 1 Pt adapter to DIN EN 175301-803 angular connector (black female connector element)Adapter for the connection of the resistance thermometer with a DIN EN 175301-803 form A angular connector with direct resistance output signal → see data sheet AC 80.17 Case: PA Ambient temperature: -40 ...+115 °C [-40 ...+239 °F] Union nut: Zinc die-cast Contacts: Copper-zinc alloy, tin-plated Dielectric strength: 500V 4 ...20mA14061115
Angular connectorPer DIN EN 175301-803 form A11427567
Sealing for angular connectorFor use with angular connector DIN EN 175301-803-A EPDM, brown11437902
ModelDescriptionOrder no.
-M12 connection cableCable socket straight, 4-pin, ingress protection IP67 Temperature range -20 ...+80 °C [-4 ...+176 °F]Cable length2m [6.56 ft]14086880
Cable length5m [16.40 ft]14086883
Angled socket, 4-pin, ingress protection IP67 Temperature range -20 ...+80 °C [-4 ...+176 °F]Cable length2m [6.56 ft]14086889
Cable length5m [16.40 ft]14086891
-M12 connectorFemale angled, 4-pin, ingress protection IP67 Screw connection for conductor cross-section 0.25…0.75mm² [24…18AWG] Cable gland Pg7, outside diameter of cable 4 …6mm[0.16 Temperature range -40 ...+80 °C [-40 ...+176 °F]... 0.24 in]14136815