W1209 Temperature Controller DC

W1209 Temperature Controller DC  W1209 Digital Temperature Control Switch is a programmable thermostat. The same module can be used in both  controlling / maintaining Cold and Hot temperatures. Parameter 0 can be set to either Hot or Cold Control setting. The relay module is based on a microcontroller (MCU) and has 7 user configurable parameters accessible using 3 push buttons.

Features of this Product:

XH-W1209 Temperature Controller.

• Precise Temperature Control up to 0.1C
• Fast Acting Control of 0.5 seconds response time
• With Water proof sensor
• LED Display for Temperature, settings and warning
• LED Relay Status Indicator
• Output Relay can be used with both AC and DC circuits

  W1209 Temperature Controller DC

W1209 Temperature Controller.

• Indoor Room Temperature Control
• Aquarium temperature controller
• Temperature controller for Controlled Temperature sheds
• Food and Beverage temperature controller
• Temperature controller for Health Care applications

XH-W1209 Temperature Controller.

• Temperature range :-50-110 ℃
• Dimensions: 48.5 * 40mm
• Temperature control mode: ON / OFF
• Resolution-When temperature is 0.1℃, the resolution is -9.9~99.9, other temperature segment is 1℃
• Control accuracy: 0.1 ℃
• Hysteresis accuracy: 0.1℃
• Refresh rate: 0.5S
• High temperature protection： 0-110℃
• Supply voltage: DC 12V
• Static current: ≤ 35MA, attract current ≤ 65MA
• Operating voltage: DC 12V
• Output Relay Specifications:
  • Max Current: 20A @ 110VAC, 10A @ 220VAC or 20A @ 14VDC
  • Operating Voltage: 115VAC, 220VAC, 50VDC
• Measurement input: NTC (10K 0.5%) Waterproof Sensor
• Environmental requirements: -10 ~ 60 ℃ ，Humidity 20% -85%
• Probe Length: ~31cm / 12.2in (including thermocouple and wire)  en.wikipedia.org/wiki

A home thermostat is an example of a closed control loop: It constantly measures the current room temperature and compares this to a desired user-defined set point and controls a heater and/or air conditioner to increase or decrease the temperature to meet the desired set point. A simple (low-cost, cheap) thermostat merely switches the heater or air conditioner either on or off, and temporary overshoot and undershoot of the desired average temperature must be expected