2 temperature sensors PT100. It is able to signal failure system after having an effect on external pressure switch or temperature limiter STB connected to digital input. In case of failure the whole system will hangs up with a possibility of maintain the failure status, up till manual reset button.
eBay
USB 5V Temperature Controller Heater Thermostat Mittens Warmer Switch 3-speed Adjustable Winter Temperature Control M4YD
Aliexpress UK
The N321S is also available as a 100-240V model or with optional RS485 communications. - NTC Thermistor: 10 kΩ @ 25 °C, range: -30 to +105°C (-22 to 221 °F), Accuracy: 0,6 °C (1,1 ºF). Grain Cooling.
eBay
W1209 Mini Thermostat Temperature-controller Incubation Thermostat Temperature Control Switch
Aliexpress UK
The N321S is also available as a 12-24V model or with optional RS485 communications. - NTC Thermistor: 10 kΩ @ 25 °C, range: -30 to +105°C (-22 to 221 °F), Accuracy: 0,6 °C (1,1 ºF). Grain Cooling. We are an authorised UK distributor and you can expect full technical support and warranty backup.
eBay
2-3 Wire DC 5V 12V PWM Fan Speed Controller Governor NTC 50K Temperature Probe Sensor 40cm Temperature Controller Speed Governor
Aliexpress UK
Advanced Mathematical Functions: Calculates differential [T2-T1] (ideal for solar collectors) and average [T1+T2]/2 temperatures from dual sensor inputs. 2 x Temperature Sensors. Alternating Temperature Display: Clear digital display alternates between T1 and T2 temperature readings.
eBay
EMC2101 I2C PC fan controller temperature sensor temperature monitoring PC fan controller
Aliexpress UK
TH-35 DIN rail mounting. Mounting in the distribution box on a DIN rail. It is able to signal failure system after having an effect on external pressure switch or temperature limiter STB connected to digital input.
eBay
WIFI remote digital temperature controller K thermocouple high temperature controller -99~999 degrees XY-WT04
Aliexpress UK
The N322S is also available as a 12-24V model or with optional RS485 communications. This maintains an even temperature between the solar collector and storage tank. - Sensor interchangeability: 0.75 ºC (1.35 ºF).
eBay
diymore DC 12V PWM Temperature Detector Probe Controller 4-Wire Temperature Fan Speed Controller Governor for PC Fan STK IC
Aliexpress UK
The N322S is also available as a 100-240V model or with optional RS485 communications. This maintains an even temperature between the solar collector and storage tank. - Sensor interchangeability: 0.75 ºC (1.35 ºF).
eBay
DC 12V 5A PWM PC CPU Fan Temperature Control Speed Controller Board Speed Controller Temperature Probe Buzzle
Aliexpress UK
WITH ALARM OUTPUT. ALARM: 5A / 250VAC. 100% GENUINE PRODUCTS.
eBay
DC 12V 5A PWM PC CPU Fan Temperature Control Speed Controller Board Speed Controller Temperature Probe Buzzle
Aliexpress UK