TERACOM TSH230 Waterproof 1-Wire Temperature and Humidity Sensor User Manual

TERACOM TSH230 Waterproof 1-Wire Temperature and Humidity Sensor User Manual

Short description

TSH230 is a waterproof temperature and humidity sensor with a 1-Wire interface. The sensor integrates basic elements plus signal processing and provides a fully calibrated digital output. A unique capacitive element is used for measuring relative humidity while the temperature is measured by a bandgap element. Both elements are seamlessly coupled to a 12-bit analog to digital converter. This results in superior signal quality.

The digital sensor is mounted in an IP65-rated enclosure. This provides protection against dust and water spays. A cable gland with locknut and screwless terminal block allows easy cable installation.

Features

• 1-Wire interface;
• LED indicator for status of communication;
• Firmware update via the interface.

Applications

• Fleet management systems.
• Environmental quality monitoring and assessment.
• Humidity and temperature monitoring in building management systems.
• Humidity and temperature logging for mobile operator facilities, vineyards, greenhouses, etc.

Specifications

• Physical characteristics

• • Dimensions: 65.6 x 99 x 36 mm
  • Weight: 70 g

• Environmental limits

  • Operating temperature range: -20 to 60°C

  • Operating relative humidity range: 5 to 95% (non-condensing)
    Recommended operating range is 20% to 80% RH (non-condensing) over –10 °C to 60 °C.
    Prolonged operation beyond these ranges may result in a shift of sensor reading, with slow recovery time.
    It is possible that in some weather conditions the moisture in the air in the filter cap may condense. This may result in a shift of sensor reading, with slow recovery time.

  • Storage temperature range: -20 to 60°C

  • Storage relative humidity range: 5 to 95% (non-condensing)

  • Ingress protection: IP54

• Power requirements

  • Input Voltage (including -15/+20% according to IEC 62368-1): 4.5 to 26 VDC
  • Input Current: 5 mA@5VDC

• Humidity measurements

  • Accuracy (min): ±3.0 %RH (in 20 to 80 %RH range)
  • Accuracy (max): ±5.0 %RH (in 5 to 95 %RH range)
  • Resolution: 0.1 %RH

• Temperature measurements

  • Accuracy (min): ±0.4 °C (in -10 to +60°C range)
  • Accuracy (max): ±0.6 °C (in -20 to +60°C range)
  • Resolution: 0.1 °C

• Warranty

  • Warranty period: 3 years

Pinout

Pin Description

• GND: Data ground
• 1-W: 1-Wire data
• GND: Power ground
• +4.5 to 26V: Positive supply

Corresponding UTP wires color

• Green/White tracer
• Green
• Orange/White tracer
• Orange

1-Wire interface

1-Wire is a registered trademark of Maxim Integrated Products, Inc. We strongly recommend reading Maxim’s 1-Wire tips at http://www.maxim- ic.com/appnotes/index.mvp/id/148.

Installation

The device is designed for wall mounting using screws passing through the slotted holes in the enclosure.
A daisy-chained (linear) topology for multiple sensors should be used. UTP/FTP cables are strongly recommended for interconnection.

Installation tips

The location and the mounting position of sensors have a direct effect on the accuracy of measurements. The tips below will ensure good measuring results:

• Sensor shall be installed about 1.2-1.4 m above the floor;
• Avoid exposure to direct sunlight – solar radiation causes measurement inaccuracy;
• For outdoor usage, the sensors should be installed with protection from direct rain;
• Avoid mounting over ventilation shafts and windows/doors;
• Avoid attaching to walls in front of a chimney.
• It is recommended to mount the device in an accessible location for easier maintenance.

Attention: The device should be installed with always filter and gland facing the floor.

Status indicator

The status of the device is shown by a single LED, located on the PCB:

• If the LED blinks for a period of 1 second, the sensor works properly;
• If the LED blinks for a period of 3 seconds, no communication with the controller;
• If LED doesn‘t blink, there isn‘t a power supply.

Recycling

Recycle all applicable material.

Do not dispose of in the regular household refuse.

www.teracomsystems.com

References

• Mixed-signal and digital signal processing ICs | Analog Devices
• Remote monitoring and control solution for your automation challenges

Read User Manual Online (PDF format)

Read User Manual Online (PDF format)  >>

Download This Manual (PDF format)

Download this manual  >>