Flex-Sky-T Wireless Temperature Transmitter with Pt100 Sensor

The Flex-Sky-T is a wireless temperature transmitter with an internal Pt100 sensor.

Technical Details

Sensor type internal Pt100 element
Measuring range: -30…+60 °C
Accuracy ±0.5 °C in range -30…+50 °C
Sky radio antenna frequency 433.3…434.5 MHz user adjustable
Bandwidth max. 300 kHz OBW
Maximum transmitting power 10 dBm EIRP
Open space range about 10 km with the maximum parameters
Indoor range 150–500 m
Temperature measurements -20…+50 °C
Accuracy: ±0.5 °C between +10…+50 °C
Humidity measurements 0…100 %RH non-condensing
Accuracy typically ±3 %RH between 20…80 %RH and at a temperature of +15…+30 °C
Storage temperature -40…+60 °C, non-condensing
Operating temperature -30…+60 °C
Protection class IP65
Enclosure material plastic (ABS+PC)
Battery type LR6 1.5 V alkaline AA, e.g. Energizer EN91.
Battery life 1-5 years depending on the measurement interval and amount of radio traffic. Useful life typically 2-5 years.

Prices from £243.00

Categories: Our Nokeval Products, Wireless Transmitter and Receiver, Wifi Temperature Sensors, Meters & Controllers

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Wi-Fi Pt100 Temperature Sensor Transmitter

The Flex-Sky-T is as a wireless temperature transmitter, featuring an internal Pt100 sensor. The sensor has an IP65 protection rating, making it suitable for placement within environments like freezers or areas with moisture.

The transmitter uses LoRa technology, providing extensive radio coverage for wireless battery-operated devices. While it’s commonly paired with the Nokeval Cell-Sky-Link-RS485-3G base station, it can also be seamlessly integrated into systems employing RS485 Modbus RTU.

Additionally, the transmitter’s two-part design facilitates uninterrupted calibration adjustments for the measuring module, ensuring continuous and accurate performance. With LoRa technology, it offers remarkable radio coverage, spanning up to 10 kilometres in open spaces.

If you’d like more information about any of our wireless transmitter products, please contact our friendly team.

Features and Specifications

The wireless device can be stored within a temperature range of -40 to +60 °C, and its operational temperature spans from -30 to +60 °C.

The transmitter operates effectively in humidity levels from 0 to 100% relative humidity and boasts an IP65 protection rating. Constructed with plastic material, the measuring module is made from PC+ABS, while the radio module is built with PC.

It has dimensions of 363 mm x 33 mm x 61 mm and a total weight of 143 grams, with the measuring module weighing 62 grams and the radio module with antenna weighing 81 grams.

Power is supplied by an LR6 1.5 V alkaline AA size battery, such as Energizer EN91, with a typical battery life ranging from 2 to 5 years depending on the measurement interval and radio network traffic.

Brand	Nokeval

What is a Wireless Transmitter with Pt100 Sensor?

A wireless temperature transmitter with an internal Pt100 sensor is a device that measures temperature using a Pt100 resistance temperature detector (RTD) and communicates this data wirelessly. It can transmit temperature readings to a receiving unit or data logger without the need for physical wires, making it suitable for remote monitoring and control applications where temperature data is crucial.