W88 AC 220V Digital Temperature Controller Thermostat Control Switch

W88 AC 220V LED Digital Temperature Controller Thermostat Control Switch.

Description:
Specifications:
Product Name: W88 Digital Temperature Controller
Temperature Measuring Range: -50~110°C
Temperature Control Range: -19~99°C
Temperature Measurement Accuracy: ±0.3°C
Resolution: 0.1°C
Temperature probe: NTC10K/B3435
Supply Voltage: AC 220V
Output Current: 10A
Size: 75*55*31mm

Package includes:
1 x W88 Temperature Controller 220V

Controls description:
left red: relay is energized
right green: relay is disconnected

Switching off the device: 
To put the device into standby mode, press the SET button and hold it for 3 seconds, it is turned on again after a short press of the SET button.

Functions:
To select a given function, press the SET button and select the function. It will be active if its number appears in the middle display.
Time functions are additional functions, they work independently of temperature settings.
F-1: Alternate setting of switching on and off the relay. Left display working time in minutes, right display pause time in minutes.
F-2: time switch: set the time after which the controller is to disconnect the relay. Left hour display, right minute display
F-3: time switch: set the time after which the controller is to activate the relay. Left hour display, right minute display
 
Temperature correction: 
to correct the temperature, disconnect the power, then press and hold the SET button and connect the power supply. Now release the SET button and use the buttons on the left to select the temperature to be corrected.