TMS21 Series Temperature Transmitter Spare Parts List Overview
The TMS21 series is an important component of industrial temperature transmitters, covering various installation forms such as rail-mounted and modular. This spare parts list provides complete order numbers and specification information to help you quickly identify and purchase the required spare parts.
All models support sensor inputs such as RTD, TC, Ohm, mV, and feature electrical isolation and NAMUR NE 43 fault reaction.
Rail-Mounted Temperature Transmitters
TMT111 Rail-Mounted Temperature Transmitter Module
The TMT111 is a PC-programmable rail-mounted temperature transmitter with a 2-wire 4-20mA output and electrical isolation. This product is being phased out, and inventory is limited.
- Application: RTD, TC, Ohm, mV
- Output: 2-wire 4-20mA, electrical isolation
- Fault reaction: NAMUR NE 43
- Installation: TH 35 rail (IEC 60715), width 12.6mm
- Factory setting: Pt100, 3-wire, 0-100°C
- Sensor type and connection selectable
Optional order codes: A1, B1, C1, C2, CA, F4, F5, F6, FA, H1
TMT112 Rail-Mounted Temperature Transmitter
The TMT112 supports the HART protocol, suitable for applications requiring digital communication. It features SIL certification, electrical isolation, and UL listed.
- Application: RTD, TC, Ohm, mV
- Output: 2-wire 4-20mA, SIL, electrical isolation
- Fault reaction: NAMUR NE 43
- Installation: IEC 60715 rail, width 12.6mm
- Certification: UL listed
Optional order codes: A, B, C, D, E, J, U, V, C, E, J, K, N, C, A
TMT121 Rail-Mounted Temperature Transmitter
The TMT121 is a PC-programmable rail-mounted transmitter, width 22.5mm, with UL and GL marine certification.
- Application: RTD, TC, Ohm, mV
- Output: 2-wire 4-20mA, electrical isolation
- Fault reaction: NAMUR NE 43
- Installation: IEC 60715 rail, width 22.5mm
- Certification: UL listed, GL (Germanischer Lloyd) marine
Optional order codes: 1, 2, A, B, C, D, E, I, J, U, V, 1, E, J, K, N, C, A
TMT122 Rail-Mounted Temperature Transmitter
The TMT122 supports the HART protocol, has SIL2 certification, width 22.5mm, suitable for safety instrumented systems.
- Application: RTD, TC, Ohm, mV
- Output: 2-wire 4-20mA, SIL2, electrical isolation
- Fault reaction: NAMUR NE 43
- Installation: IEC 60715 rail, width 22.5mm
- Certification: UL listed, GL marine
Optional order codes: 1, 2, A, B, C, D, E, I, J, P, U, V, C, E, J, K, N, C, A
Modular Temperature Transmitters
TMT182 Modular Temperature Transmitter
The TMT182 uses the HART protocol, SIL2 certified, with B-head mounting, compliant with DIN43729 standard.
- Application: RTD, TC, Ohm, mV
- Output: 2-wire 4-20mA, SIL2, electrical isolation
- Fault reaction: NAMUR NE 43
- Installation: B-head, DIN43729
- Certification: UL listed, GL marine
Optional order codes: 1, 2, 3, 4, A, B, C, D, E, F, 1, 2, 3, 4, 5, 6, 7, 8, 9, A, B, C, D, E, J, K, L, N, R, S, T, U, V, W, Y, A, B, C, D, A, B, C, D, E, K, L, S, Y, A, B, C, P, U, V, W, Z
TMT71 Temperature Transmitter
The TMT71 is a 2-wire temperature transmitter with single universal sensor input and 2kV electrical isolation.
- Application: RTD, TC, Ohm, mV
- Output: 2-wire
- Isolation: 2kV (input/output)
- Factory setting: Pt100, 4-wire, 0...+100°C
Optional order codes: 8A, 8F, AA, B2, B4, B5, B6, BA, BC, BG, CE, CF, GA, GD, GR, I6, IN, NA, ND, NN, A, P, 1, A, B, AB, AC, A1, B4, CN, CO, CP, CS, F1, F2, LE
TMT72 Temperature Transmitter
The TMT72 is similar to the TMT71 but offers more optional codes to meet different application requirements.
- Application: RTD, TC, Ohm, mV
- Output: 2-wire
- Isolation: 2kV (input/output)
- Factory setting: Pt100, 4-wire, 0...+100°C
Optional order codes: 8A, 8F, AA, B2, B4, B5, B6, BA, BC, BG, CE, CF, GA, GD, GR, I6, IN, MA, MB, MC, A, P, 1, A, B, AB, AC, A1, B4, CN, CO, CP, CS, F1, F2, F9, LE
TMT82 Modular Temperature Transmitter
The TMT82 features dual universal sensor inputs, supports drift detection and sensor backup, with optional SIL2/3 certification.
- Application: RTD, TC, Ohm, mV
- Output: 2-wire
- Isolation: 2kV (input/output)
- Features: High reliability, drift detection, sensor backup
- Safety: Optional SIL2/3 (IEC61508)
Optional order codes: 8A, 8C, AA, B2, B4, B5, B6, BA, BC, BF, BG, C1, C3, F1, F3, GA, GD, GR, I6, IA, IF, IN, NA, NN, A, 1, 2, B, C, D1, D2, TE, TJ, TK, TN, TE, TJ, TK, TN, A1, A2, LA, LE, LU
TMT84 Modular Temperature Transmitter
The TMT84 features dual sensor inputs and advanced diagnostics to monitor sensor status. Current consumption 11mA, B-head mounting.
- Application: RTD, TC, Ohm, mV
- Isolation: 2kV
- Current consumption: 11mA
- Installation: B-head, DIN43729
- Factory setting: CH1: Pt100, 3-wire; CH2: inactive
Optional order codes: 8A, A1, B1, B2, B3, B4, B5, B6, BC, BF, C1, C2, C3, CA, D1, D2, D3, E1, F3, GA, GD, GR, I6, IF, A, 1, 2, A, B, D1, D2, F1, G1
TMT85 Modular Temperature Transmitter
The TMT85 supports FOUNDATION Fieldbus protocol (ITK 5.0), with dual sensor inputs and advanced diagnostics, UL and CSA certified.
- Application: RTD, TC, Ohm, mV
- Protocol: FOUNDATION Fieldbus (ITK 5.0)
- Isolation: 2kV (sensor input to output)
- Current consumption: 11mA
- Installation: B-head, DIN43729
- Certification: UL listed, CSA General Purpose
Optional order codes: 8A, 8E, A1, B1, B2, B3, B4, B5, B6, BC, BF, C1, C2, C3, CA, CP, D1, D2, D3, E1, F3, GA, GD, GR, I6, IF, A, 1, 2, A, B, D1, D2, F1, G1
Selection Steps and Precautions
Selecting the appropriate temperature transmitter requires the following steps:
- Determine the installation method: rail-mounted or modular.
- Select the communication protocol: PC-programmable, HART, FOUNDATION Fieldbus, etc.
- Confirm the safety level: whether SIL certification is required.
- Select the order code based on sensor type and connection method.
- Verify certification requirements: UL, CSA, GL, etc.
Note: The TMT111 has been gradually phased out; it is recommended to choose an alternative model. All models support electrical isolation and NAMUR NE 43 fault reaction to ensure system safety and reliability.