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RHT-DM Modbus Duct Temp & Humidity Sensor 250 mm Probe

Duct-mount temperature and humidity sensor with RS-485 Modbus transmitter. 250 mm long probe with adjustable flange easily mounts on rectangular ducts.

Quantity	ex GST	incl GST	Saving
1-4 items	$200.54 / each	N/A
5-14 items	$180.51 / each	N/A	save 10%
15 or more items	$170.48 / each	N/A	save 15%

The RHT-DM-485-LCD Duct mount transmitters include high precision and stability sensors for measuring temperature and relative humidity. They are microprocessor devices and can be configured and monitored through a RS-485 interface, using the Modbus RTU commands. The DigiConfig software allows the configuration of all transmitter features as well as its diagnostic procedure. Fitted with a 250 mm probe.

Taking Care with Sensors

The RHT-WM is designed primarily for commercial offices and building where air is relatively clean and condensation does not occur. The calibration of the humidity sensor may be changed if it is exposed to contaminant vapors or extreme humidity and temperature conditions for long time periods. If using in a dusty environment a Sintered Bronze Dust Cover (SKU RHT-030)is recommended

Power supply: 12 Vdc to 30 Vdc

Sampling Interval: 3 seconds

Temperature measuring range: -40.0 °C to 100.0 °C (-40.0 °F to 212.0 °F)

Humidity measuring range: 0.0 to 100.0 % RH

Temperature measuring resolution: 0.1 °C, 14 bits (16383 levels)

Humidity measuring resolution: 0.1 %, 12 bits (4095 levels)

Temperature response time: Up to 30 s in slow air movement

Humidity response time: Up to 8 s in smooth air movement (20 to 80%RH)

Electromagnetic compatibility: EM 61326:2000

Protection class: Electronic enclosure IP65

Case: Polycarbonate

Operating temperature of the transmitter: From 0 to 70 °C

Dimensions: 60 × 70 × 35 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.

Download Warranty Form

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.