THS74/75 Industrial Temperature & Humidity Transmitter Operation Manual
1. Features 2. Security considerations 3. Installation 4. Connection 5. Display and LED instruction 6. Software setting and calibration operation steps 7. Maintenance and exception Oder Code: 1. Features 1.1 Metal quick coupling, repeatable to install. Compact design, good look and easy to install Capable of temperature compensation and linear adjustment. Capable of high anti-pressure, sensor with high accuracy and longterm stability. Option RS485 1.2 Applications Monitoring for industrial process / air conditioning / environmental ventilation control. Environmental monitoring for building / factory / clean room / Lab / weather station. Monitoring for storage room / freezer / agriculture / food industry. Temperature and humidity measuring in hospital / pharmaceutical industry / textile industry. PAGE:2 OF 59
2. Security considerations Please read this Specification carefully, prior to use of this, and keep the manual properly, for timely reference. Solemn Statement: This product can not be used for explosion-proof area. Do not use this product in a situation where human life may be affected. This product can not be used for explosion-proof area. Do not use this product in a situation where human life may be affected. EYC-TECH will not bear any responsibility for the results produced by the operators. Warning!! Installation and wring must be performed by qualified personnel in accordance with all applicable safety standards. This product must be operated under the operating conditions specified in manual to prevent equipment damages. Please using the product under the ordinary pressure, or it will influence safe problem. This product must be operated under the operating condition specified in this manual to prevent equipment damages. This product must be operated under the normally atmospheric condition to prevent equipment damages. To prevent products damage, always disconnect the power supply from the product before performing any wiring and installation. All wiring must comply with local codes of indoor wiring and electric installation rules. Please use crimp type terminal. To prevent personal injury, do not touch the moving part of product in operation. It may cause high humidity atmosphere during the product was breakdown. Please take safety strategy. PAGE:3 OF 59
3. Installation 3.1 Dimension 3.2 Installation Base Installating cable gauge Fitting thread PAGE:4 OF 59
3.3 Option accessory 1. Fixed type Order code Name Desciption Dimension Metal Flange 4415000022 Material Stainless Steel 304 Din-rail board HS-S Material Stainless Steel 304 L board 4435000005 Material SPCC+Zinc plated 2. Filter Order code Name Description Features 4425000011 SUS sintered filter MaterialSUS316L Sinter type HD40μm OD12mm L34.5mm Excellent filterable, and pollution, corrosion and pressure resistance. Max. Temper.200 max PAGE:5 OF 59
4415000020 Metal grid filter MaterialSUS304 OD12mm L32mm Non-protection. Fast response With high temperature resistance, and well permeability Max. temper.200 max 3. Radiation shield Order code Name Description Dimension Radiation shield THSA-0303 Material PS+SPCC 4. Connection 4.1 Wiring 4.2 Communication connection PAGE:6 OF 59
5. Display and LED instruction 5.1 LCM display 5.2 LED Indication 1. Power LED P, Green light ON 2. RS-485: LED P, Red light ON 3. LED light position statement: PAGE:7 OF 59
6. Software and calibration operation step 6. 1 Application program statement. 9 6.2 Setting RS-485 connection 10 6.3 Scan RS-485 connection... 13 6.4 Setting RS-485 ModBus Protocol 18 6.5 Display and save data 20 6.6 Choose parameter of Output 25 6.7 Temperature Calibration with two points 27 6.8 Humidity Calibration with two points 32 6.9 Temperature Calibration with signal points 37 6.10 Humidity Calibration with signal point 40 6.11 Restore factory setting of signal/two point(s) 43 6.12 Temperature Calibration with more points 45 6.13 Humidity Calibration with more points 51 6.14 Restore factory setting of more points 57 PAGE:8 OF 59
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a. b. d. That restore more points temperature of factory setting is done. PAGE:57 OF 59
a. b. e. That restore humidity of factory setting is done. PAGE:58 OF 59
7. Inspection and maintenance 1. Maintenance Since this product is inspected and calibrated for high accuracy at the factory before shipment, no calibration on the installation site is necessary when this product is installed. For inspection and maintenance follow the instructions below 1) Periodic inspection Periodically inspect this product for its sensing accuracy, and clean the cover. Set the period between inspections based on atmospheric dust and other contaminants in the installation environment. 2) Sensor maintenance Do not damage sensor surface during maintenance process. 3) Troubleshooting If any problem occurs during operation, refer to the table below for appropriate solutions. PAGE:59 OF 59