RHT-Climate Duct Temperature and Humidity Sensor RS485 and 4 to 20mA/0-10VDC output, 150mm probe

In stock (3 items available)
  • Weight
    0.15 kg
  • SKU
    RHT-111

Duct mount RHT-Climate Temperature and Humidity Sensor with 150mm Stainless Steel probe, 4 to 20mA/0-10VDC outputs and Modbus RS485 communications. Powered by 12 to 30VDC

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The RHT-Climate WM is a humidity and temperature transmitter that provides high precision and stability of measurements, over a wide operation range, it calculates in real time seven psychrometric properties, all variables will be available by current or voltage retransmission The RHT-Climate WM is intended for Wall Mount.

What is exciting about the RHT Climate

The RHT Climate is packed with features that are found in RHT transmitters and controllers that cost 2 or 3 times the price.

Measured Parameters - The RHT Climate can be configured to display and retransmit the temperature and relative humidity values, or any of its psychrometric properties, calculated in real time:

  • Dew Point Temperature
  • Wet Bulb Temperature
  • Frost Point Temperature
  • Absolute Humidity
  • Specific Enthalpy
  • Partial Vapor Pressure
  • Mixing Ratio

Accuracy - Temperature ±0.2°C (0°C to + 60°C) Humidity ±1.8 %RH @ +23 °C (0 %RH to 90 %RH)

Analog OutputsTwo 0-10 V or 4-20 mA outputs configurable by software or front panel keypad

Modbus RTU communications - For MONITORING, any supervision (SCADA) or laboratory software may be used that offers support for Modbus RTU communication over a serial RS485 communication port.

LCD Display (Not on this model) - Using the keypad the operator can view temperature and humidity and all 7 psychrometric properties. The display will also show maximum and minum values of temperature, humidity and Dew point temperature.

Alarm Outputs The RHT Climate has Two digital outputs and one embedded buzzer. The RHT Climate Transmitter allows for four options for its alarm outputs and for the buzzer:

  • Normal operation
  • Activation for set time
  • Delay in activation
  • Intermittent activation

The hysteresis value for each alarm and buzzer is configurable. This allows the RHT-Climate to be used as a standalone temperature and humidity controller.

Configuration, Commissioning and Simulation - Versatile, the device allows configuration of parameters, simulation of temperature and humidity and generation of retransmission signal, useful features for commissioning on field in fast and easy way through USB with free PC software NXperience or directly by the keyboard.

  • Manufacturer Model: RHT-DM-USB-RS485-150S (No LCD)
  • Power supply: 12 to 30VDC
  • Consumption: 70mA +/- 10% @ 24Vdc (max)
  • Temperature:
    • Temperature Range: -40°C to 100°C (WM models)
    • Accuracy: ±0.2 °C (0°C to +60°C)
    • Response time (1/e (63%)): < 5 seconds 25°C (with air moving at 1m/s)
  • Humidity :
    • Relative Humidity: 0 to 100%RH (non-condensing)
    • Accuracy Relative Humidity: ±1.8%RH @ +23°C (0 %RH to 90 %RH)
    • Response time (1/e (63%)): < 4 seconds 25°C (with air moving at 1m/s)
  • Dew Point: -90°C to 100°C
  • 2 x Analog Outputs: 0-10 V or 4-20 mA outputs configurable by software or keyboard
  • 2 x Alarm Outputs: Channel N 30 V / 200 mA type output
  • Communication Interface: USB type Micro-B 2.0 and RS485 (both in Modbus RTU)
  • Programming: NXperience software for Windows through USB
  • Keys: 3 keys with tactile feedback for navigation and adjustment of parameters
  • Connections: Internal terminals through cable glands
  • Enclosure: ABS +PC
  • Protection Rating:
    • Electronic Module Casing: IP65
    • Sensor Capsule: IP30, depending on the filter cap
  • Dimensions: 100.3 x 80.0 x 45.1 (mm)

Faulty Goods and Warranty

Where such goods have been supplied we undertake to repair or replace them as quickly as possible.Prior to returning faulty items, please contact us with a description of the fault as one of our engineers might be able to assist you by resolving the issue over the phone.
A Warranty form must be filled out and returned with any goods.

Our standard warranty period is 12 months from the date of purchase unless stated otherwise.

Other warranty periods:

Labjack Products: 5 Years
Atop Products: 3 Years
MeanWell Products: 3 Years
Terracom Products: 3 Years

Warranty is subject to us being satisfied that a defect was caused by defective workmanship or materials and was not caused by or was not substantially contributed to by other factors beyond our control including incorrect installation, alterations or modifications of the product not recommended by the manufacturer.

Returns Policy

If you are dissatisfied with our goods you may return them within 14 days of the dispatch date. Contact us for an authorisation and we will refund your purchase less shipping costs and restocking fees. All returned goods MUST be in AS NEW condition including ALL PACKAGING and DOCUMENTATION / MANUALS etc.

Please note:

  • The product returned will attract a 20% restocking fee.
  • The customer must pay the delivery costs.
  • Non standard, custom made or a specially manufactured or imported products are not returnable.
  • Semiconductors, books and software are not refundable

Full Terms and Conditions

By placing an order with Ocean Controls, you agree to be bound by our Terms and Conditions of Trade.

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