Generally speaking, analog sensors utilize changes of voltage, current or resistance on output terminals. The sensors can be divided into two groups:
Active → the output signal towards the GND is either voltage or current (most active sensors are powered by an external power source galvanically isolated from the unit)
Passive → the resistance between the output terminals changes depending on the measured parameter.
On the Unipi e-shop, you can find reliable passive analog sensors suitable for use in heating, air conditioning, industrial environment etc. These sensors are also a good choice for projects requiring the most precise and reliable sensors available.
Most active sensors are designed for special use and can be purchased from specialized vendors.
Temperature resistance sensors
PTS 350B
Designed for contact measuring of pipeline surface temperature (IP65 protection)
Water-proof Pt1000 resistance sensor,
Probe dimensions (h×w×d): 40 x 12 x 12 mm
Holding metal band length: 40 cm
Minimal pipe diameter: 20 mm
The sensor is suitable for temperature measuring in the range from -30°C to 105°C
The usage method must be selected in accordance with the temperature and chemical durability of the probe and the input cable
Applicable for:
All Unipi units with analog input, including the Unipi 1.1*
For Unipi Extension xS51 module (or the older xS50 model)
The resistance sensor can be connected to Unipi units or extension models in-between the AI and AIS connectors (for the Group 1 the sensor is connected via AO and AGND terminals).
For more info and tips for connecting sensors, please visit the specific articles for Unipi Patron, Unipi Axon, Unipi Neuron, Unipi 1.1*, o Unipi Extension
PTS 310A
A variant for outdoor and industrial applications (IP65 protection)
Waterproof Pt1000 resistance sensor
Metal probe dimensions: ⌀6* x 25 mm (±0,1 mm*)
Plastic cover dimensions: (h x w x d): 70 x 63 x 34 mm
Connection: shrouded terminal box
Head ambient working temperature: -30°C to 100°C
Temperature sensors are suitable to measure temperature in range from -30 °C to 100 °C
Measuring temperature in outdoor spaces or industrial halls
Suitable for use in humid spaces (cellars, greenhouses, etc.)
Applicable for:
All Unipi units with an analog input, inluding Unipi 1.1*
For Unipi Extension xS51 (or the older xS50 model)
The resistance sensor can be connected to Unipi units or extension models in-between the AI and AIS connectors (for the Group 1 the sensor is connected via AO and AGND terminals).
For more info and tips for connecting sensors, please visit the specific articles for Unipi Patron, Unipi Axon, Unipi Neuron, Unipi 1.1*, o Unipi Extension
PTS 320
A variant for sumps and ventilation (IP 65 protection)
Wateproof Pt1000 resistance sensor
Metal probe dimensions: ⌀6* x 120 mm (±0,2 mm*)
Plastic cover dimensions: (h x w x d): 70 x 63 x 34 mm
Connection: shrouded terminal box
Head ambient working temperature: -30°C to 100°C
Temperature sensors are suitable for measuring temperature in range from -50 °C to 150 °C
Also suitable for temperature measuring in air conditioning ducts
Applicable for:
All Unipi units with analog inputs including the Unipi 1.1*
Unipi Extension xS51 (or the older xS50 model)
The resistance sensor can be connected to Unipi units or extension models in-between the AI and AIS connectors (for the Group 1 the sensor is connected via AO and AGND terminals).
For more info and tips for connecting sensors, please visit the specific articles for Unipi Patron, Unipi Axon, Unipi Neuron, Unipi 1.1*, o Unipi Extension
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