SIAP+MICROS t003 TRH User Manual And Maintenance

Air relative humidity transducer

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t003 TRH
Air Relative Humidity Transducer
User Manual and maintenance

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Summary of Contents for SIAP+MICROS t003 TRH

  • Page 1 TRH Air Relative Humidity Transducer User Manual and maintenance...
  • Page 2: Table Of Contents

    User manual and maintenance t003-di TRH.docx Summary Introduction ..............................3 Technical specifications ..........................4 Operation scheme ..........................5 Installation and maintenance ........................6 Installation ............................6 Maintanance ............................6 Electrical connection ..........................7 Connector output ..........................7 Connection cable ..........................7 Read serial data (RS485 Modbus e SDI-12) ..................
  • Page 3: Introduction

    User manual and maintenance t003-di TRH.docx 1 Introduction TRH provides accurate and reliable measurements of relative air humidity. The sensing component features a laser-cut polymer capacitive transducer with an integrated signal conditioning system on an electronic board. The sensitive element is inserted in a filtering structure which offers excellent resistance even in critical operating conditions due to the presence of water, dust, dirt, oil or chemical products.
  • Page 4: Technical Specifications

    User manual and maintenance t003-di TRH.docx 2 Technical specifications Measurement performance Transducer Capacitivo Measurement range 0 ÷ 100 °C Accuracy (with temperature -20 ÷ +60 °C) ±2 Resolution 0.01 Operating conditions Temperature -30 ÷ +60 °C Humidity 0 ÷ 100 RH% Outputs 4 ÷...
  • Page 5: Operation Scheme

    User manual and maintenance t003-di TRH.docx Dimension: H1 – maximum height: ~ 330 mm H2 - radiation shield height: 190 mm D1 – maximum diameter: 180 mm D2 – fixing diameter: 40 mm Element: A – internal sensitive element B – radiation shield in ASA C –...
  • Page 6: Installation And Maintenance

    User manual and maintenance t003-di TRH.docx Installation and maintenance 3.1 Installation The sensor must be installed on special brackets which distance it sufficiently from reflected heat sources (for example the same support pole of the station) which could influence its correct measurement. For correct installation, the sensor should be placed at a distance from the closest obstacle (pylons, trees, buildings) equal to...
  • Page 7: Electrical Connection

    User manual and maintenance t003-di TRH.docx 4 Electrical connection 4.1 Connector output I / V / S / SDI12 output +4÷20 mA +0÷2 Vdc B-RS485 SDI-12 (data) -4÷20 mA -0÷2 Vdc A-RS485 n.c. 4.2 Connection cable The connection cable supplied with the sensor is made with circular connectors with housing, 4x24 AWG shielded cable and ferrules for connection to the data logger terminals.
  • Page 8: Rs485 Modbus Ode

    User manual and maintenance t003-di TRH.docx 4.3.1 RS485 Modbus ode Serial port settings: 9600 baud, no parity, 8 data bit, 1 bit di stop Compatible with ModBus RTU protocol, functions supported: “03 – read Holding Registers” e “04 – Read Input Registers”.
  • Page 9: Generic Information

    The qualitative level of our instruments is the result of a continuous evolution of the product. This may cause differences between what is reported in the manual and the instrument you have purchased. Siap+Micros S.p.A. reserves the right to modify without notice technical specifications and dimensions to adapt them to the needs of the product.
  • Page 10: Appropriate Use Of The Equipment

    The instrument is not classified suitable (according to Directive 2014/34/EU) for use in atmospheres with potential explosion risk pursuant to Directive 99/92/EC. SIAP+MICROS strives to minimize health and safety risks in all phases of the instrument's life, including installation, use, maintenance, decommissioning and disposal.
  • Page 11: Revision History

    Version Date Updates 05/06/2023 Current version of the document. All the information content in this document are the current available at the printing phase. Siap+Micros S.p.A. reserve the rights to change the specifications without any advance notice 26/10/2023 Vers.: 1.0...

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