Piher sensing systems - custom potentiometers and position sensors

HVACR Sensors

Driven to perfection

The HVAC sensor family  has been designed to feedback the position of  the cold/hot air flap damper in the  HVACR system (flap motor positioning). High accuracy (2% linearity) and low cost are among its main advantages.

Over 120 million-plus HVAC custom sensors, delivered to a major automotive supplier, for over ten years with an PPM rate below 1 are some the impressive figures achieved by Piher for motor-actuator control feeback sensing applications related to HVAC.

Piher can also build custom potentiometers resistance track HVAC sensors based on printing resistors onto several substrates that seamlessly adapt to any given customer specific application.


hvac3 5
 

 

Standard Electrical features

Resistive element: carbon
Resistive value: 4K7 or custom
Tolerance: ± 20%, ± 30%
Linearity: ± 2% absolute
Maximum voltage: 34 VDC (lin)
Nominal power: 50°C (122°F) 0.25 W
Output: linear
Residual resistance: ≤ 6% Rn
Equivalent noise resistance: ≤ 20% Rn
Operating temperature: -40°C to +85°C

 

Mechanical features

Mechanical rotation angle: 360º (endless)
Electrical rotation angle: 120º, 170º, 180º, 250º, 340º
Torque: 0.2 to 1.2 Ncm
Life: 100K cycles (custom)

  industry leading2

 

expert

We manufacture:

Potentiometers for automatic insertion in Process Control & Indication Controllers.
Potentiometers for automatic insertion in Indicators and Electronic Thermostats.
Potentiometers for automatic insertion in Timers & Counters.
Potentiometers for automatic insertion in Solid State Relays.
Potentiometers for automatic insertion in Sensing, Conditioning & Transmitters.
Potentiometers for automatic insertion in Signal Conditioners & Isolators.
Potentiometers for automatic insertion in Pressure Transmitters.
Potentiometers for automatic insertion in Temperature Sensors.
Potentiometers for automatic insertion in Temperature Transmitters.
Potentiometers for automatic insertion in EC Motor Speed Controls - ECM drives.
Potentiometers for automatic insertion in Induction Motor Speed Controls - PSC and shaded pole motors.
Potentiometers for automatic insertion in Condenser Fan Controls - Outdoor condenser fan applications.
Potentiometers for automatic insertion in Refrigeration Controls - Variable fan speeds and sequencers optimized for refrigeration efficiency.
Potentiometers for automatic insertion in Sequencing Products - Multi-stage / multi-input step controllers for fans, heaters, and compressors.
Potentiometers for automatic insertion in automatic insertion in SCR Heater Controls - Duct heater coil controls.
Potentiometers for automatic insertion in Variable Air Volume (VAV) Products - Air flow control products.
Potentiometers for automatic insertion in Thermostats and Transducers - Temperature, pressure, flow control sources.
Potentiometers for automatic insertion in Motor Protection Products - Over-current, over-voltage, and over-temperature protection.
Potentiometers for automatic insertion in Ventilation/Exhaust Controls - Fan controls and signal sources conditioners.