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RHT-WM and RHT-DM
Transmitter
USER GUIDE – V3.0x
1.
SAFETY ALERTS ...............................................................................................................................................................................................3
2.
INTRODUCTION ................................................................................................................................................................................................4
NOVUS AUTOMATION
1/17
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Summary of Contents for Novus RHT-WM
- Page 1 RHT-WM and RHT-DM Transmitter USER GUIDE – V3.0x SAFETY ALERTS .......................................3 INTRODUCTION ........................................4 NOVUS AUTOMATION 1/17...
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Page 2: Table Of Contents
INSTALLATION ........................................4 RHT-DM: MECHANICAL INSTALLATION ..............................4 3.1.1 RHT-DM MODEL: PLASTIC PROBE ..............................5 3.1.2 RHT-DM MODEL: METAL PROBE ..............................5 RHT-WM: MECHANICAL INSTALLATION ..............................6 TYPES OF TIPS ......................................6 3.3.1 INSTALLATION ....................................6 ELECTRICAL INSTALLATION ..................................7 3.4.1 INSTALLATION RECOMMENDATIONS ............................7 3.4.2 PRECAUTIONS WHEN HANDLING SENSORS ..........................7 3.4.3... - Page 3 All safety recommendations appearing in this manual must be followed to ensure personal safety and prevent damage to the instrument or system. If the instrument is used in a manner other than that specified in this manual, the device safety protections may not be effective. NOVUS AUTOMATION 3/17...
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Page 4: Installation
INTRODUCTION The RHT-WM and RHT-DM transmitters have highly accurate and stable sensors for measuring relative humidity and temperature. The measured values are converted into 4 to 20 mA output signals linearly related to their readings. Since they are microprocessor-based devices, they can be configured via SigNow software or app. Humidity measurement and transmission can be configured between Relative Humidity and Dew Point. -
Page 5: Rht-Dm Model: Plastic Probe
3.1.1 RHT-DM MODEL: PLASTIC PROBE 150 mm Model 250 mm Model Figure 3 – RHT-DM with plastic probe 3.1.2 RHT-DM MODEL: METAL PROBE 150 mm Model 250 mm Model Figure 4 – RHT-DM with metal probe NOVUS AUTOMATION 5/17... -
Page 6: Rht-Wm: Mechanical Installation
RHT-WM: MECHANICAL INSTALLATION The RHT-WM (Wall Mount) model is designed to be fixed to a wall. By removing its cover, you can access the two fixing holes of the base and the wiring connector, as shown in Figure 6 Figure 5 –... -
Page 7: Electrical Installation
Step 1: Disconnect the equipment from the power supply. Locate the protective tip of the • sensor. This example displays the replacement of the sensor of an RHT-DM transmitter. In it, the sensor is located at the end of the probe. Step 2: Remove the tip by turning it counterclockwise. • NOVUS AUTOMATION 7/17... - Page 8 Avoid handling the sensor by the thinner end. Do not touch the sensor. For this procedure, it is recommended to wear clean anti-static gloves. Step 5: Replace the protective tip and slowly turn it clockwise to secure it to the equipment. • NOVUS AUTOMATION 8/17...
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Page 9: Configuration
Figure 10 – OTG Cable If you position the cable end incorrectly, it is possible that the device will not be recognized by the application. On NOVUS website, you can download the configuration software for free (see SIGNOW SOFTWARE section). -
Page 10: Signow Software And App
The configuration screen is divided into 4 sections: Temperature, Humidity, Output 1, and Output 2. The bottom part of the screen displays information about the equipment, such as name, serial number, and firmware version. 5.1.1.1 TEMPERATURE CONFIGURATION When connecting to the equipment, the following screen will be displayed: Figure 12 – Temperature configuration NOVUS AUTOMATION 10/17... - Page 11 2. Physical property: Allows you to set the physical property to be measured: Temperature, Humidity, or Dew Point. By clicking the Off option, it is possible to disable this output. 3. Reverse output polarity: Allows you to reverse the polarity of the output. 4. Lower limit: Allows you to set the desired minimum temperature for the output type. NOVUS AUTOMATION 11/17...
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Page 12: Diagnostic Section
To use this feature, you need to use an external source. In addition, you must use a TxConfig-USB Configuration Interface to connect your RHT to the USB port of the computer. Below is an example of the electrical connections: Figure 16 – Electrical connections of the example NOVUS AUTOMATION 12/17... - Page 13 Dew Point values: The examples below show situations where you are forcing a minimum error value and then a maximum error value: Figure 18 – Forcing minimum error values Figure 19 – Forcing maximum error values NOVUS AUTOMATION 13/17...
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Page 14: Signow App
To make the integration process more user-friendly, SigNow app and SigNow software have the same screens and the parameters of the respective screens are always the same. In SigNow manual, available on NOVUS website, it is possible to obtain more information about some features, such as the firmware update process and the process of creating and saving a configuration. -
Page 15: Specifications
SPECIFICATIONS FEATURES RHT-DM / RHT-WM Total accuracy: See Figure 23. Measurement range: Configurable between 0 and 100 % RH or -100 and 103 °C (-148 and 217.4 °F) at Humidity measurement Dew Point. Response Time (1/e (63 %)): 8 seconds @ 25 °C (with air moving at 1 m/s). -
Page 16: Certifications
CERTIFICATIONS CE Mark This is a Class A product. In a domestic environment, this product may cause radio interference in which case the user may be required to take adequate measures. NOVUS AUTOMATION 16/17... -
Page 17: Warranty
WARRANTY Warranty conditions are available on our website www.novusautomation.com/warranty. NOVUS AUTOMATION 17/17...
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