Air Conditioner Sensor

STH Branded NTC Thermistor Sensors are precision temperature sensors designed for reliable temperature measurement and control in air-conditioning systems. As a reputed AC Sensors manufacturer, we produce STTS AC Sensor Probes, STTS Sensor Cooler, STTS Boiler Temperature Sensor, and STTS Surface Temperature Sensor Probes. Our group of professionals check and examine our premium line of STTS on different required parameters. We offer AC Sensors at nominal prices to make a long-term relationship with our esteemed customers.

Applications

Measuring evaporator coil temperature to detect icing or ensure correct superheat/ evaporation.

Measuring ambient indoor/room air temperature so the control board knows the set‑point vs actual.

Measuring outdoor ambient or outdoor unit coil temperature for fault detection or efficiency control.

Options

(Available on request)

Encapsulation types: epoxy coated, glass encapsulated bead, metal housing (immersion sensors), chip version.

Lead types: insulated thin wires, high‑temp wires, connectorized harness, or simple pair of wires.

Tolerance classes: ±1%, ±3% on Resistance Value and ±1% or ±2% on Beta Value depending on product cost/accuracy.

Lead wire available options: Insulated thin wires, high‑temp wires, connectorized harness, or simple pair of wires available upon request.

RT Characteristics (Resistance and Beta Values)

Resistance At 25°C (Ω) Beta Value (25/85) (K)
2000 3540
2057 3540
2800 3900
3000 3977
4700 3977
5000 3977
10000 3977
Resistance At 25°C (Ω) Beta Value (25/85) (K)
20000 4000
30000 4050
47000 4100
49300 3960
50000 4100
100000 4400
170000 4250
* Customization can be possible

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