ABB TTH300 Series Operating Instruction
Head-mount temperature transmitter
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Also See for TTH300 Series:
- Operating instruction (76 pages) ,
- Instructions manual (26 pages) ,
- Safety instructions (24 pages)
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A B B M E A S U R E M E N T & A N A L Y T I C S | O P E R A T I N G I N S T R U C T I O N
TTH300
Head-mount temperature transmitter
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Introduction
TTH300
The TTH300 is available with the HART, PROFIBUS
PA and FOUNDATION Fieldbus communications
protocols.
The TTH300 has global approvals for explosion
protection up to Zone 0.
Safety-relevant applications up to SIL 3
(redundant) are supported in accordance with
IEC 61508.
The TTH300 is approved for custody transfer
measurements through the MID certificate in
accordance with measurement device guideline
2014/32/EU.
Temperature transmitter for all
communications protocols.
Redundancy thanks to two inputs.
Measurement made easy
Additional Information
Additional documentation on TTH300 is available for
download free of charge at
www.abb.com/temperature.
Alternatively simply scan this code:
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Table of Contents
Related Manuals for ABB TTH300 Series
Summary of Contents for ABB TTH300 Series
- Page 1 Additional documentation on TTH300 is available for PA and FOUNDATION Fieldbus communications download free of charge at protocols. www.abb.com/temperature. Alternatively simply scan this code: The TTH300 has global approvals for explosion protection up to Zone 0. Safety-relevant applications up to SIL 3 (redundant) are supported in accordance with IEC 61508.
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Page 2: Table Of Contents
TTH300 HEAD-MOUNT TEMPERATURE TRANSMITTER | OI/TTH300-EN REV. E Table of contents Change from one to two columns Transport and storage ..........17 Safety ................4 General information and instructions ........4 Inspection ................17 Warnings .................. - Page 3 TTH300 HEAD-MOUNT TEMPERATURE TRANSMITTER | OI/TTH300-EN REV. E Commissioning ............29 Diagnosis / error messages ........54 General ..................29 Diagnostic information ............54 Checks prior to commissioning .......... 29 Monitoring of operating data ......... 54 ...
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Page 4: General Information And Instructions
TTH300 HEAD-MOUNT TEMPERATURE TRANSMITTER | OI/TTH300-EN REV. E 1 Safety General information and instructions Warnings These instructions are an important part of the product and The warnings in these instructions are structured as follows: must be retained for future reference. DANGER Installation, commissioning, and maintenance of the product may only be performed by trained specialist personnel who have... -
Page 5: Intended Use
/ or theft of data or information. • When using as a SIL-device in safety-relevant applications, ABB Automation Products GmbH and its affiliates are not liable the SIL Safety Manual should be observed. for damages and / or losses related to such security breaches,... -
Page 6: Use In Potentially Explosive Atmospheres In Accordance With Atex And Iecex
ATEX intrinsic safety explosion protection test certificates (at The device fulfills the requirements of Directive 2014/34/EU in www.abb.com/temperature). case of corresponding purchase orders and is approved for use • Depending on the design, a specific marking in accordance in Zone 0, 1 and 2. -
Page 7: Temperature Data
TTH300 HEAD-MOUNT TEMPERATURE TRANSMITTER | OI/TTH300-EN REV. E Temperature data Intrinsic safety type of protection Ex ia IIC (part 2) Transmitter ATEX/IECEx intrinsic safety, non-sparking ATEX Measurement current circuit Temperature class Permissible ambient temperature range Resistance Thermocouples, voltages thermometers, resistors Device category 1 use Device category 2 / 3 use Max. -
Page 8: Installation Instructions
TTH300 HEAD-MOUNT TEMPERATURE TRANSMITTER | OI/TTH300-EN REV. E … 2 Use in potentially explosive atmospheres in accordance with ATEX and IECEx Installation instructions ATEX / IECEx Electrical connections The installation, commissioning, maintenance and repair of Grounding devices in potentially explosive atmospheres must only be If, for functional reasons, the intrinsically safe circuit needs to be carried out by appropriately trained personnel. -
Page 9: Installation In A Potentially Explosive Atmosphere
TTH300 HEAD-MOUNT TEMPERATURE TRANSMITTER | OI/TTH300-EN REV. E Installation in a potentially explosive atmosphere ATEX – Zone 1 (0) Transmitters can be installed in all kinds of industrial sectors. Marking: II 2 (1) G Ex [ia IIC Ga] ib IIC T6 Gb Potentially explosive systems are divided into zones, meaning that a wide range of different instruments are also Zone 0 or 1... - Page 10 TTH300 HEAD-MOUNT TEMPERATURE TRANSMITTER | OI/TTH300-EN REV. E … 2 Use in potentially explosive atmospheres in accordance with ATEX and IECEx … Installation instructions ATEX – Zone 2 ATEX – Zone 1 (20) Designation: II 3 G Ex nA IIC T1-T6 Gc Marking: II 2 G (1D) Ex [ia IIIC Da] ib IIC T6 Gb Ex area Zone 2 Safe area...
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Page 11: Commissioning
TTH300 HEAD-MOUNT TEMPERATURE TRANSMITTER | OI/TTH300-EN REV. E Commissioning The commissioning and parameterization of the device may also be carried out in potentially explosive atmospheres using a handheld terminal that has been approved accordingly under consideration of an intrinsic safety installation check. Alternatively, an Ex modem can be connected to the circuit outside the potentially explosive atmosphere. -
Page 12: Use In Potentially Explosive Atmospheres In Accordance With Fm And Csa
Further information on the approval of devices for use in potentially explosive atmospheres can be found in the Model TTH300-R2H explosion protection test certificates (at Control Drawing SAP_214824 (Non-Incendive) www.abb.com/temperature). SAP_214896 (Non-Incendive) • Depending on the design, a specific marking in accordance Model TTH300-R2P with FM or CSA applies. -
Page 13: Installation Instructions
TTH300 HEAD-MOUNT TEMPERATURE TRANSMITTER | OI/TTH300-EN REV. E Installation instructions FM / CSA Proof of intrinsic safety is said to have been provided if the following conditions are fulfilled when a comparison is carried The installation, commissioning, maintenance and repair of out in relation to the limit values of the equipment: devices in areas with explosion hazard must only be carried out by appropriately trained personnel. -
Page 14: Commissioning
TTH300 HEAD-MOUNT TEMPERATURE TRANSMITTER | OI/TTH300-EN REV. E … 3 Use in potentially explosive atmospheres in accordance with FM and CSA Commissioning The commissioning and parameterization of the device may also be carried out in potentially explosive atmospheres using a handheld terminal that has been approved accordingly under consideration of an intrinsic safety installation check. -
Page 15: Design And Function
TTH300 HEAD-MOUNT TEMPERATURE TRANSMITTER | OI/TTH300-EN REV. E 4 Design and function Input functionality Digital transmitters are communication-ready devices with microprocessor-controlled electronics. They conform to the Sensor Redundancy requirements of IP rating IP 20 and are suited for integration To enhance system availability, the TTH300 has two sensor into DIN A and DIN B sensor heads. -
Page 16: Sensor Error Adjustment In Accordance With Callendar-Van Dusen
TTH300 HEAD-MOUNT TEMPERATURE TRANSMITTER | OI/TTH300-EN REV. E … 4 Design and function 5 Product identification … Input functionality Name plate If drift monitoring is used for the same types of sensor (2 × Pt100 or 2 × thermocouple), the mean value calculated from Note the two sensors is mapped to the transmitter output signal as a Products that are marked with the adjacent symbol... -
Page 17: Transport And Storage
TTH300 HEAD-MOUNT TEMPERATURE TRANSMITTER | OI/TTH300-EN REV. E 6 Transport and storage Inspection Check the devices immediately after unpacking for possible damage that may have occurred from improper transport. Details of any damage that has occurred in transit must be recorded on the transport documents. -
Page 18: Installation
TTH300 HEAD-MOUNT TEMPERATURE TRANSMITTER | OI/TTH300-EN REV. E 7 Installation Installation options DANGER There are three options for installing the transmitter: Improper installation and commissioning of the device • Installation in the cover of the connection head carries a risk of explosion. (without springs) For use in potentially explosive atmospheres, observe the •... -
Page 19: Installation In The Cover Of The Connection Head
TTH300 HEAD-MOUNT TEMPERATURE TRANSMITTER | OI/TTH300-EN REV. E Installing / removing the optional LCD indicator Installation in the cover of the connection head The transmitter can be optionally equipped with an LCD indicator. NOTICE Damage to the LCD indicator caused by incorrect installation / disassembly The flat ribbon cable of the LCD indicator can become damaged due to incorrect installation / disassembly. -
Page 20: Electrical Connections
TTH300 HEAD-MOUNT TEMPERATURE TRANSMITTER | OI/TTH300-EN REV. E 8 Electrical connections Protection of the transmitter from damage Safety instructions caused by highly energetic electric interferences DANGER Improper installation and commissioning of the device The transmitter has no switch-off elements. Therefore, carries a risk of explosion. -
Page 21: Suited Protective Measures
TTH300 HEAD-MOUNT TEMPERATURE TRANSMITTER | OI/TTH300-EN REV. E Suited protective measures The following items should be observed to protect the transmitter from sensor-side damage: • In the vicinity of the transmitter, sensor and sensor connector cable in case of a connected sensor, high-energy overvoltage, overcurrent and high-frequency interference signals due to welding operations, lightning, circuit breakers or large consumers of electricity among others should be... -
Page 22: Pin Assignment
TTH300 HEAD-MOUNT TEMPERATURE TRANSMITTER | OI/TTH300-EN REV. E … 8 Electrical connections Pin assignment Resistance thermometers (RTD) / resistors (potentiometer) A Potentiometer, four-wire circuit H RTD, two-wire circuit B Potentiometer, three-wire circuit I Sensor 1 C Potentiometer, two-wire circuit J Sensor 2* D 2 ×... -
Page 23: Thermocouples / Voltages And Resistance Thermometer (Rtd) / Thermocouple Combinations
TTH300 HEAD-MOUNT TEMPERATURE TRANSMITTER | OI/TTH300-EN REV. E Thermocouples / voltages and resistance thermometer (RTD) / thermocouple combinations A 2 × voltage measurement* G 1 × RTD, two-wire circuit and 1 x thermocouple* B 1 × voltage measurement H Sensor 1 C 2 ×... -
Page 24: Electrical Data For Inputs And Outputs
TTH300 HEAD-MOUNT TEMPERATURE TRANSMITTER | OI/TTH300-EN REV. E … 8 Electrical connections Electrical data for inputs and outputs Input - resistance thermometer / resistances Input - thermocouples / voltages Resistance thermometer Types • Pt100 in accordance with IEC 60751, JIS C1604, MIL-T-24388 B, E, J, K, N, R, S, T in accordance with IEC 60584 •... -
Page 25: Output - Hart
TTH300 HEAD-MOUNT TEMPERATURE TRANSMITTER | OI/TTH300-EN REV. E Output – HART® Output – PROFIBUS PA® Note Note The HART® protocol is an unsecured protocol, as such the The PROFIBUS PA® protocol is an unsecured protocol, as such intended application should be assessed to ensure that these the intended application should be assessed to ensure that protocols are suitable before implementation. -
Page 26: Output - Foundation Fieldbus
TTH300 HEAD-MOUNT TEMPERATURE TRANSMITTER | OI/TTH300-EN REV. E … 8 Electrical connections … Electrical data for inputs and outputs Output – FOUNDATION Fieldbus® Power supply Two-wire technology, polarity safe; power supply lines = signal Note lines The FOUNDATION Fieldbus® protocol is an unsecured protocol, as such the intended application should be assessed to ensure Note that these protocols are suitable before implementation. - Page 27 TTH300 HEAD-MOUNT TEMPERATURE TRANSMITTER | OI/TTH300-EN REV. E Voltage drop on the signal line Power supply – PROFIBUS / FOUNDATION Fieldbus When connecting the devices, note the voltage drop on the signal line. The minimum supply voltage on the transmitter must Input terminal voltage not be undershot.
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Page 28: Mid Certification
If the transmitter is integrated in the connection head of a temperature sensor, – e.g. a SensyTemp TSP100 (TSP1x1) or TSP300 (TSP3x1) from ABB – the seal should be applied over the gap between the top and the base of the head. -
Page 29: Commissioning
TTH300 HEAD-MOUNT TEMPERATURE TRANSMITTER | OI/TTH300-EN REV. E 10 Commissioning General The device is listed with the FieldComm Group. In case of corresponding order the transmitter is ready for operation after mounting and installation of the connections. The parameters are set at the factory. If not exclusively selected while ordering the profile HART 7, the transmitter is delivered present with the profile HART 5. -
Page 30: Profibus® Communication
TTH300 HEAD-MOUNT TEMPERATURE TRANSMITTER | OI/TTH300-EN REV. E … 10 Commissioning … Communication PROFIBUS® Communication FOUNDATION Fieldbus® Communication Note Note The PROFIBUS PA® protocol is an unsecured protocol, as such The FOUNDATION Fieldbus® protocol is an unsecured protocol, the intended application should be assessed to ensure that as such the intended application should be assessed to ensure these protocols are suitable before implementation. -
Page 31: Basic Setup
TTH300 HEAD-MOUNT TEMPERATURE TRANSMITTER | OI/TTH300-EN REV. E 11 Operation Basic Setup Safety instructions Note If there is a chance that safe operation is no longer possible, Transmitter communication and configuration via HART, take the device out of operation and secure it against PROFIBUS PA, and FOUNDATION Fieldbus H1 are described in unintended startup. -
Page 32: Menu Navigation
TTH300 HEAD-MOUNT TEMPERATURE TRANSMITTER | OI/TTH300-EN REV. E … 11 Operation Menu navigation A10001 Menu Exit Select 1 Operating buttons for menu 4 Marking to indicate relative navigation position within the menu 2 Indication of menu designation 5 Indication of the current function assigned to the operating 3 Indication of menu number buttons... -
Page 33: Hart® Menu Levels
TTH300 HEAD-MOUNT TEMPERATURE TRANSMITTER | OI/TTH300-EN REV. E HART® menu levels Process display Configuration level Device Setup Device Info Display Process Alarm Communication Calibrate Diagnosis Process display The process display shows the current process values. Configuration level The configuration level contains all the parameters required for device commissioning and configuration. The device configuration can be changed on this level. -
Page 34: Process Display
TTH300 HEAD-MOUNT TEMPERATURE TRANSMITTER | OI/TTH300-EN REV. E … 11 Operation Process display Error messages on the HART® LCD display If the event of an error, a message consisting of a symbol or letter (device status) and a number (DIAG NO.) will appear at the 25.7 bottom of the process display. -
Page 35: Error Messages On The Profibus Pa® And Foundation Fieldbus® Lcd Display
TTH300 HEAD-MOUNT TEMPERATURE TRANSMITTER | OI/TTH300-EN REV. E Switching to the information level Error messages on the PROFIBUS PA® and (PROFIBUS PA® and FOUNDATION Fieldbus® only) FOUNDATION Fieldbus® LCD display On the information level, the operator menu can be used to In the event of an error, a message consisting of a symbol and display diagnostic information and choose which operator text appears at the bottom of the process screen... -
Page 36: Switching To The Configuration Level (Parameterization)
TTH300 HEAD-MOUNT TEMPERATURE TRANSMITTER | OI/TTH300-EN REV. E … 11 Operation Switching to the configuration level Selecting and changing parameters (parameterization) Entry from table When an entry is made from a table, a value is selected from a The device parameters can be displayed and changed on the list of parameter values. - Page 37 TTH300 HEAD-MOUNT TEMPERATURE TRANSMITTER | OI/TTH300-EN REV. E Parameter name 12.3456 [unit] Next 3. Use to select the decimal place to change. 4. Use to set the desired value. 5. Use to select the next decimal place. 6. If necessary select and set additional decimal places in accordance with steps 3 to 4.
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Page 38: Hart® Parameter Overview
TTH300 HEAD-MOUNT TEMPERATURE TRANSMITTER | OI/TTH300-EN REV. E … 11 Operation ZART® Parameter Overview Note This overview of parameters shows all the menus and parameters available on the device. Depending on the version and configuration of the device, not all of the menus and parameters may be visible in it. Device Setup Write protection Input Sensor 1... - Page 39 TTH300 HEAD-MOUNT TEMPERATURE TRANSMITTER | OI/TTH300-EN REV. E Calibrate Measured range Apply Lower Range Apply Upper Range Analog Out Trim 4 mA Trim 20 mA Diagnosis Looptest Device status Temp. of Electronics Sensor 1 process data Sensor 2 process data...
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Page 40: Parameter Description Hart
TTH300 HEAD-MOUNT TEMPERATURE TRANSMITTER | OI/TTH300-EN REV. E … 11 Operation Parameter description HART® Menu: Device Setup Menu / parameter Description … / Device Setup Write protection Activates write protection for the entire device • Yes: locked Entry combination: ≠ 0110 •... - Page 41 TTH300 HEAD-MOUNT TEMPERATURE TRANSMITTER | OI/TTH300-EN REV. E Menu / parameter Description … / Device Setup / Input Sensor 1 … / Device Setup / Input Sensor 2 Sensor Type Selection of the sensor type (continued): • –125 ... 125 mV: Linear voltage measurement -125 to 125 mV •...
- Page 42 TTH300 HEAD-MOUNT TEMPERATURE TRANSMITTER | OI/TTH300-EN REV. E … 11 Operation … Parameter description HART® Menu / parameter Description R-Connection Sensor connection type relevant for all Pt, Ni, Cu resistance thermometers • two-wire: Sensor connection type in two-wire technology • three-wire: Sensor connection type in three-wire technology •...
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Page 43: Menu: Device Info
TTH300 HEAD-MOUNT TEMPERATURE TRANSMITTER | OI/TTH300-EN REV. E Menu: Device Info Menu / parameter Description … / Device Info Device Type Displays device type. Serial Number Displays device serial number. Software Version Displays device software version. Hardware Version Displays device hardware version. HART TAG Displays the HART Tag. -
Page 44: Menu: Process Alarm
TTH300 HEAD-MOUNT TEMPERATURE TRANSMITTER | OI/TTH300-EN REV. E … 11 Operation … Parameter description HART® Menu: Process Alarm Menu / parameter Description … / Process Alarm Fault signaling • Underrange: in the event of an error, the current, for example 3.6 mA, is output •... -
Page 45: Menu: Diagnosis
TTH300 HEAD-MOUNT TEMPERATURE TRANSMITTER | OI/TTH300-EN REV. E Menu: Diagnosis Menu / parameter Description … / Diagnosis Looptest Simulates the current output signal Value range: 0 to 23.600 mA Device status Diagnosis notice (maintenance required, error, etc.) Temp. of Electronics Drag indicator: maximum or minimum device temperature Sensor 1 process data Drag indicator: maximum or minimum sensor temperature for sensor 1... -
Page 46: Profibus Pa® Und Foundation Fieldbus® Parameter Overview
TTH300 HEAD-MOUNT TEMPERATURE TRANSMITTER | OI/TTH300-EN REV. E … 11 Operation PROFIBUS PA® und FOUNDATION Fieldbus® Parameter overview Note This overview of parameters shows all the menus and parameters available on the device. Depending on the version and configuration of the device, not all of the menus and parameters may be visible in it. Device Setup Sensor 1 R-Connection 1... - Page 47 TTH300 HEAD-MOUNT TEMPERATURE TRANSMITTER | OI/TTH300-EN REV. E Display Language Contrast Operator Page 1 Line 1 Operator Page 2 Line 1 Line 2 Calibrate Reset Device Reset with Defaults PROFIBUS PA only...
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Page 48: Parameter Description Profibus Pa® And Foundation Fieldbus
TTH300 HEAD-MOUNT TEMPERATURE TRANSMITTER | OI/TTH300-EN REV. E … 11 Operation Parameter description PROFIBUS PA® and FOUNDATION Fieldbus® Menu: Device Setup Menu / parameter Description … / Device Setup Sensor 1 / Sensor 2 Selects sensor type: • Pt100 (IEC751): Resistance thermometer Pt100 (IEC751) •... - Page 49 TTH300 HEAD-MOUNT TEMPERATURE TRANSMITTER | OI/TTH300-EN REV. E Menu / parameter Description (continuation) Sensor 1 / Sensor 2 Selection of the sensor type (continued): • Ni50 (DIN43760): Resistance thermometer Ni50 (DIN43716) • Ni100 (DIN43760): Resistance thermometer Ni100 (DIN43716) • Ni120 (DIN43760): Resistance thermometer Ni120 (DIN43716) •...
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Page 50: Menu: Device Info
TTH300 HEAD-MOUNT TEMPERATURE TRANSMITTER | OI/TTH300-EN REV. E … 11 Operation … Parameter description PROFIBUS PA® and FOUNDATION Fieldbus® Menu: Device Info Menu / parameter Description … / Device Info Device ID Displays device ID Serial Number Displays serial number Software Version Displays software version Hardware Version... -
Page 51: Menu: Service Menu
TTH300 HEAD-MOUNT TEMPERATURE TRANSMITTER | OI/TTH300-EN REV. E Menu: Service Menu Menu / parameter Description … / Service Menu Device temperature Select the ‘Device temperature’ submenu. Sensor 1 Select the ‘Sensor 1’ submenu. Sensor 2 Select the ‘Sensor 2’ submenu. Op. -
Page 52: Menu: Display
TTH300 HEAD-MOUNT TEMPERATURE TRANSMITTER | OI/TTH300-EN REV. E … 11 Operation … Parameter description PROFIBUS PA® and FOUNDATION Fieldbus® Menu: Display Menu / parameter Description … / Display Language Selects the menu language • German • English Contrast Sets the display contrast Value range: 0 to 100 % Operator Page 1 Select the ‘Operator Page 1’... -
Page 53: Factory Settings
TTH300 HEAD-MOUNT TEMPERATURE TRANSMITTER | OI/TTH300-EN REV. E Factory settings Firmware settings The transmitter is configured at the factory. The table below contains the relevant parameter values. Menu Designation Parameter Factory setting Device Setup Write protection – Input Sensor 1 Sensor Type Pt100 (IEC60751) R-Connection... -
Page 54: Diagnosis / Error Messages
TTH300 HEAD-MOUNT TEMPERATURE TRANSMITTER | OI/TTH300-EN REV. E 12 Diagnosis / error messages Diagnostic information Monitoring of operating data The transmitter saves the highest and lowest values for the electronic unit temperature as well as measured values from sensor 1 and sensor 2 in the non-volatile memory (‘Drag Indicator’). -
Page 55: Calling Up The Error Description
TTH300 HEAD-MOUNT TEMPERATURE TRANSMITTER | OI/TTH300-EN REV. E Calling up the error description For PROFIBUS PA and FOUNDATION Fieldbus transmitters only! Additional details about the error that has occurred can be called up on the information level. Process display Electronics 1. -
Page 56: Possible Error Messages - Hart
TTH300 HEAD-MOUNT TEMPERATURE TRANSMITTER | OI/TTH300-EN REV. E … 12 Diagnosis / error messages Possible error messages – HART® Range Displays the Displays the Cause Remedy device DIAG. NO. status Electronics Device defective Replace the device Electronics Ambient temperature overshot / undershot Check environment;... - Page 57 Lower limit value: alarm Operating conditions Limit HIGH Upper limit value: warning Operating conditions Limit LOW Lower limit value: warning Note If the remedial measures listed for the error message do not improve the status of the device, please consult ABB Service.
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Page 58: Possible Error Messages - Profibus Pa® And Foundation Fieldbus
Sensor 2 redundancy, wire break Maintenance required Rectify break at sensor 2 or replace sensor 2 Note If the remedial measures listed for the error message do not improve the status of the device, please consult ABB Service. Change from one to two columns... -
Page 59: Maintenance
11. disposal or must observe the following regulations for shipping purposes: All devices delivered to ABB must be free from any hazardous materials (acids, alkalis, solvents, etc.). Please contact Customer Center Service acc. to page 5 for... -
Page 60: Recycling And Disposal
16 Specification Note Note Products that are marked with the adjacent symbol The device data sheet is available in the ABB download area at may not be disposed of as unsorted municipal waste www.abb.com/temperature. (domestic waste). They should be disposed of through separate collection of electric and electronic devices. -
Page 61: Appendix
TTH300 HEAD-MOUNT TEMPERATURE TRANSMITTER | OI/TTH300-EN REV. E 18 Appendix Return form Statement on the contamination of devices and components Repair and/or maintenance work will only be performed on devices and components if a statement form has been completed and submitted. - Page 62 TTH300 HEAD-MOUNT TEMPERATURE TRANSMITTER | OI/TTH300-EN REV. E Trademarks HART is a registered trademark of FieldComm Group, Austin, Texas, USA PROFIBUS and PROFIBUS PA are registered trademarks of PROFIBUS & PROFINET International (PI) FOUNDATION Fieldbus is a registered trademark of FieldComm Group, Austin, Texas, USA.
- Page 63 TTH300 HEAD-MOUNT TEMPERATURE TRANSMITTER | OI/TTH300-EN REV. E Notes...
- Page 64 We reserve the right to make technical changes or modify the contents of this document without prior notice. With regard to purchase orders, the agreed particulars shall prevail. ABB does not accept any responsibility whatsoever for potential errors or possible lack of information in this document.