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.
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 –...
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...
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.
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”.
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.
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.
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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