COVIDCHECKER K3 User manual

Infrared Thermometer User Guide
Model No.K3
1. Introduction
2.Specification
2. Specification
1. Accuracy: ±0.2 degrees
2. Abnormal automatic alarm: flashing +“Di Di” sound

3. Automatic measurement: measuring distance 5cm ~ 10cm
4. Screen: Digital display
5. Charging method:USB charging or battery(18650 Li-ion).
6. Install method: nail hook, double-sided adhesive sticking, bracket fixing
7. Environment temperature: 10℃~40℃（Recommended 15℃~35℃）
8. Infrared measuring range: 0～50℃
9. Response time: 0.5s
10. Input: DC 4.2-5V
11. Weight: 350g
12. Dimensions: 170*115*140mm
13. Standby：About one week
3.Install and replace battery
（1）Tear off sticker on the back, remove three screws（2）Open the back base and install 18650 Li battery
4.Install method
3. Status Description
1. Standby: The red dot in the bottom of the display lights up in turn. (Fig. 1)
2. Insufficient power: The horizontal bar lights up in the middle of the display. (Fig. 2)
3. Normal temperature: Flashing green lights and alarm ‘Di’. (Fig. 3)
4. Abnormal temperature: Flashing red lights and alarm ‘Di Di’.(Fig. 4)
5. Default:
‘Lo’: Ultra-low temperature alarm. (Fig.5)
‘HI’ : Ultra-high temperature alarm.(Fig. 6)
1.Nail Hook
2. Bracket fixing
2. Double-sided adhesive sticking

4. Operation instruction
1. Temperature measurement: Front of the thermometer and approach it within 5-10 cm. (Fig. 7)
2. Mode switching: There is a small hole on the back of the device (Fig. 8). You can use a 3mm diameter screwdriver
to insert the hole and then press the button.
(1) Temperature unit: Press ‘mode switch hole’ then select ‘C’ or ‘F’ (Fig.9, 10) C: Celsius F: Fahrenheit
(2) Mode: Long press 3 seconds and select ‘b’ （Fig 11, 12）