Digital Temperature/Humidity Probe

In stock (1 item available)
  • Weight
    0.2 kg
  • SKU
    LAJ-005

Two calibrated microsensors with serial digital output, which results in superior signal quality, a fast response time and insensitivity to external disturbances. Operating temperature range of -40 to 120 °C.

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The EI-1050 is a selectable digital relative humidity and temperature probe intended for use with the Labjack U12. On board is a single chip sensor module with a selector chip and buffering components. The single chip sensor is manufactured by Sensirion that provides a 14 bit for temperature digital output reading or 12 bit humidity digital output reading.

The sensor is housed in a plastic tube (4.5" by 0.625") attached to a 6 ft cable. The device consist of two calibrated micro-sensors for humidity and temperature with serial digital output, resulting in superior signal quality, a fast response time and insensitivity to external disturbances.

Each sensor is calibrated in a precision humidity chamber and the calibration coefficients are programmed into the OTP memory. The interface to the EI-1050 is a 5-wire connection consisting of 5 volt, ground, clock, data and enable. By using the enable line multiple probes can be connected to the LabJack at once.

Cable Interface (LabJack U12 Terminal):

  • Power Red: +5VDC
  • Ground Black: GND
  • Data Green: IO0
  • Clock White: IO1
  • Enable Brown: IO2, IO3, AOx, Dx, or +5V for always enable
  • Power Supply: 5 VDC 
  • RH Range: 0 to 100 %RH
  • RH Accuracy: ±3.5 %
  • RH Response time: ≈4 seconds
  • RH Reproducibility: ±0.1 %RH
  • RH Resolution: 0.03 %RH
  • Temp Range: -40 °C to 120 °C
  • Temp Accuracy: 0.5 °C @25 °C or 0.9 °C from 0 to 40 °C
  • Temp Response time: ≈20 seconds
  • Temp Reproducibility: ±0.1 °C
  • Temp Resolution: 0.01 °C

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

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

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