Technical Data
CompareTemperature transmitters
| Measuring Principle | |
| Input | 1 x RTD, TC, Ohm, mV |
| Output | 1 x analog 4...20 mA |
| Auxiliary power supply | 10,5...40 V DC (standard-version) 10,5...30 V DC (Ex-version) |
| Communication | HART-protocol |
| Installation | in field |
| Accuracy | (Pt100, -50...200 °C) <=0,15 K (Pt100, -58...392 °F) <=0,3 °F |
| Galvanic isolation | yes |
| Certification | UL rec. Comp ATEX II1G Ex ia IIC T6 ATEX II2G Ex d IIC T6 ATEX II3G Ex nA IIC T6 ATEX IECEx II2D Ex tb IIIC Db ATEX II1G Ex ia IIC T6, II2D Ex ia IIIC FM IS, NI I/1+2/A-D CSA IS, NI I/1+2/A-D FM XP, NI, DIP I,II,III/1+2/A-G CSA XP, NI, DIP I,II,III/1+2/A-G CSA General Purpose IECEx Ex ia IIC T6 Ga IECEx Ex d IIC T6 Gb NEPSI Ex ia IIC T4-T6 NEPSI Ex nA II T4-T6 NEPSI Ex d IIC T4-T6 EAC Ex ia IIC T6 Ga EAC Ex d IIC T6 Gb TIIS Ex ia IIC T4 TIIS Ex ia IIC T6 TIIS Ex d IIC T6 |
Unmatched reliability, accuracy and long-term stability in critical process applications in all industries. The configurable temperature transmitter not only transmits converted signals from RTD sensors and thermocouples, but also transmits resistance and voltage signals using HART® communication. It visualizes the signals on its own backlit display. The robust, durable housing is suitable for field use and can be connected directly in the process area. In addition, simple and fast operation and maintenance are possible via a PC using operating software.
Advantages
Rotatable backlit display
Operation, visualization and maintenance via PC using operating software such as FieldCare
Sensor monitoring: checks for faults and corrosion in accordance with NAMUR NE 89; checks for sensor wire break or short circuit in accordance with NAMUR NE 43
Optional stainless steel housing for EEx d applications
Approvals: ATEX (EEx ia, EEx d and dust ignition protection), FM, CSA (IS, NI, XP, DIP)
Galvanic isolation
Records min/max process values
Spare Parts & Accessories 20
20 spare parts · click to collapse
| Order code | Description | |
|---|---|---|
| TMT142X- | Spare Part TMT142XSpare parts TMT142X | Enquire |
| 71310423 | Display housing fixing kit (3 pcs) | Details |
| TMT142X- | Spare Part TMT142XSpare parts TMT142X | Enquire |
| 71158816 | O-ring | Details |
| 71502617 | O-ring 88x3 HNBR 70° Shore PTFE_5pcsPacking unit: 5 pieces | Details |
| TMT142G- | Housing TMT142GHousing TMT142G | Enquire |
| 51004948 | front cover latch pinScrew, washer, spring washer | Details |
| XPT0002- | plug connector | Enquire |
| 51006845 | cable glandCable gland NPT 1/2, D4-8.5, IP68 | Details |
| 51004387 | 1/2 NPT to M20x1.5 adapterAdapter M20x1,5/NPT1/2" cable entry | Details |
| 51004915 | M24x1.5 to M20x1.5 adapterAdapter M20x1.5 exter./M24x1.5 intern.VA | Details |
| 71502941 | O-Ring 18.77x1.78 HNBR 70° Shore PTFEPacking unit: 10 pieces | Details |
| 51004490 | blind cover | Details |
| 51006888 | blind cover | Details |
| 71525620 | Blind plug M20x1.5 Ex-d + O-ring, aluminium | Details |
| 71525621 | Blind plug G1/2 Ex-d + o-ring, Alu | Details |
| 71525622 | Blind plug M20x1.5 Ex-d + O-ring V4A | Details |
| 71525623 | Blind plug G1/2 Ex-d + O-ring V4A | Details |
| 51007995 | mounting bracketMounting bracket SS316L, tube 1,5-3" | Details |
| XPRFID- | Spare RFID TAGConsists of: RFID TAG, fixing wire, crimp sleeve. | Enquire |
Configurator / Comparison
Accessories / Spare parts
Source:Endress+Hauserpublic information from the website
Measuring principle video
Click to playManuals & Documents 12
All documents for this model12 documents · click to expand
BA iTEMP TMT142B Chinese
BA iTEMP TMT142B English
Operating Manuals ReadWin 2000 (GB) English
ReadWin® Quick Setup English
Operating Manuals ReadWin 2000 (GB) English
Operating instructions Temperature field transmitter iTEMP® HART® TMT142 English
iTEMP TMT142B Chinese
温度变送器 Chinese
通用型温度变送器 Chinese
iTEMP TMT142B English
Technical Information iTEMP® HART® TMT142 English
Technical Information Temperature field transmitter iTEMP® HART® TMT142 English
Case Studies
Municipal Wastewater Treatment · Temperature transmitter — Application Case
Site Conditions
This is a Municipal Wastewater Treatment customer whose plant is at the inlet, biological and outlet stages of a municipal plant. The main task was converting RTD or thermocouple signals into a standard current output.
The Problem
The difficulty lies in high solids and corrosive fractions, with large diurnal flow swings; at the same time effluent parameters drift and probes foul with sludge and biofilm. Specification therefore means choosing integral or remote versions by ambient, Ex zone and mounting.
What We Did
We took a temperature range approach — temperature solution matched to measuring point and response needs. Delivery was built around choosing integral or remote versions by ambient, Ex zone and mounting, with point-by-point checks on: stable compliance with Grade 1A discharge limits and online data reporting.
Operating Outcome
In service the system performs as intended — better noise immunity and much smaller transmission error, with routine maintenance falling noticeably.
Food & Beverage · Temperature transmitter — Application Case
Application Context
dosing, pasteurising, filling and CIP stages is a typical Food & Beverage duty. The project started from Temperature transmitter, focusing on converting RTD or thermocouple signals into a standard current output.
Process Constraints
frequent cleaning demands instruments that withstand hot CIP/SIP caustic cycles, and syrups, dairy and beverages that scale easily, under strict hygienic requirements only amplify it. The Temperature transmitter specification must therefore cover choosing integral or remote versions by ambient, Ex zone and mounting.
Delivery Approach
Delivery was handled as the temperature range — temperature solution matched to measuring point and response needs. Execution centred on choosing integral or remote versions by ambient, Ex zone and mounting, together with food-safety and hygienic design per 3-A / EHEDG.
Field Results
Operation shows the benefit clearly — better noise immunity and much smaller transmission error, with confidence in this measuring point improving markedly.
Chemical & Pharmaceutical · Temperature transmitter — Application Case
Customer Profile
The typical setting in Chemical & Pharmaceutical is reactors, metering vessels and finished-product tanks. The measuring point is Temperature transmitter; the focus is converting RTD or thermocouple signals into a standard current output.
Key Difficulties
Conditions are highly corrosive media with solvents and crystallisation, partly in explosive atmospheres and, on top of that, corrosion plus Ex protection shortens instrument life and makes downtime costly, which a standard configuration cannot handle for long. The design therefore starts with choosing integral or remote versions by ambient, Ex zone and mounting.
Implementation
The scope ran through the temperature range: temperature solution matched to measuring point and response needs. Technically it hinges on choosing integral or remote versions by ambient, Ex zone and mounting, and on these requirements: Ex certification and GMP traceability of records.
Customer Benefit
In practice this means better noise immunity and much smaller transmission error, which cut the workload on the site maintenance team.
Power & Energy · Temperature transmitter — Application Case
Project Background
The project covers boiler feedwater, turbine condensate and FGD/DeNOx systems. The work centres on Temperature transmitter and the core task is converting RTD or thermocouple signals into a standard current output.
Operating Challenges
The medium and duty are characterised by high temperature and pressure with both steam and saline water, and drift under high temperature and pressure, with very costly unplanned outages. So Temperature transmitter cannot be specified generically — it calls for choosing integral or remote versions by ambient, Ex zone and mounting.
Solution
The Ainstru engineering team worked through the temperature range: temperature solution matched to measuring point and response needs. The configuration involves choosing integral or remote versions by ambient, Ex zone and mounting, with these requirements in view: compliance with power-industry codes and unit availability targets.
Results
Since start-up the system has run steadily; the practical result is better noise immunity and much smaller transmission error.
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