RT28U DIN Rail Mount On-Off Temp Controller with Universal Analog Input 12-24V

Available for backorder
  • Weight
    0.25 kg
  • SKU
    CMC-006

DIN rail mount programmable on-off controller for RTD, PTC, NTC, thermocouples, voltage or current temperature sensors. Two changeover relay outputs. 12-24 VAC/DC powered.

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THe RT28U is a programmable thermostat controller with a universal analog input that accepts a wide range of sensor types and two independent relay outputs. Although primarily designed for temperature control it can be used for ON-OFF control of level, pressure etc

Each relay has independent settings for setpoint, hysteresis, cooling or heating action and on time. Each output can be set to a pulse mode where the relay constantly toggles on and off when the temperature exceeds (or falls below) the setpoint.

The controller has peak filtering and low pass filtering options. The display or linear input signals can be scaled to any value between -199 and 999 with a configurable decimal point.

  • Universal analog input accepts a wide range of temperature sensors
  • Cold junction compensation for thermocouples, line compensation for RTDs
  • 2 Relay outputs rated to 5 A, 250 VAC
  • ≤0.3% full span measurement error
  • ≤0.02%/ºC Temperature drift
  • 2300 VAC powered
  • Heating or cooling actions
  • Configurable hysteresis and output delay and minimum times
  • 24 VDC, 30 mA auxiliary supply to power sensors
  • Power supply: 12-24VAC/DC
  • Sensor (not included) : PT100, PT1000 
  • Sensor (not included) : 1 kΩ PTC, 2 kΩ PTC
  • Sensor (not included) : 0 to 1 kΩ linear resistance
  • Sensor (not included) : 0 to 100 mV linear voltage
  • Sensor (not included) : 0 to 20 mA linear current
  • Sensor (not included) : 4 to 20 mA linear current
  • Sensor (not included) : 0 to 10 V linear voltage
  • Sensor (not included) : B, J, K, R, S, T thermocouples
  • Output: 2 x SPDT Relays 
  • Output: 5 A, 250 VAC 
  • Display:  3 Digit LED 
  • Dimensions: 110 × 70 × 60 mm.
  • Manufacturer part number: RTU28U-R1.P.CC

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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