Wintact WT550 Portable Infrared Thermometer, Measuring Range: -50 to 550 Degrees Celsius

This infrared thermometer measures surface temperature and is suitable for safe, rapid, non-contact measurement of various hot, dangerous, or hard-to-reach objects. The device consists of an optical component, a temperature sensor signal amplifier, processing circuitry, and an LCD display. The optical component collects infrared energy emitted by the object and focuses it onto the sensor. The sensor then converts the energy into an electrical signal. After passing through the signal amplifier and processing circuitry, this signal is converted to a digital signal for display on the LCD.

This infrared thermometer has the following features:
1. Celsius/Fahrenheit temperature unit conversion
2. High and low temperature alarm
3. Data storage
4. Battery level indicator
5. Screen backlight

Parameters
1. Temperature range: -50 to 550 Degrees Celsius (-58-1022 Degrees Fahrenheit)
2. Accuracy:
0-550 Degrees Celsius (32-1022 Degrees Fahrenheit) +/-1.5 Degrees Celsius (+/-2.7 Degrees Fahrenheit) or +/-1.5%
-50 to 0 Degrees Celsius (-58-32 Degrees Fahrenheit) +/-3 Degrees Celsius (+/-5 Degrees Fahrenheit), whichever is greater
3. Resolution: 0.1 Degrees Celsius or 0.1 Degrees Fahrenheit
4. Repeatability: 1% of reading or 1 Degrees Celsius
5. Response time: 500 milliseconds, 95% response rate
6. Spectral response: 5-14um
7. Emissivity: Adjustable from 0.10 to 1.00 (0.95 preset)
8. Operating Temperature: 0-40 Degrees Celsius (32-104 Degrees Fahrenheit)
9. Operating Humidity: 10-95% RH non-condensing, maximum 30 Degrees Celsius (86 Degrees Fahrenheit)
10. Storage Temperature: -20 to 60 Degrees Celsius (-4 to 140 Degrees Fahrenheit)
11. Power Supply: 3V (1.5V AAA batteries x 2, not included)
12. Typical Battery Life (Alkaline): Non-laser Mode: 22 hours, Laser Mode: 12 hours
13. Distance to Spot Size Ratio: 12:1
14. Dimensions: 153 x 101 x 43mm
15. Weight: 147.5g (excluding batteries)

Accessories:
Instruction Manual x 1
Host x 1
Color Box x 1