EXTECH IR250 迷你红外线温度计 (-20 ~ 260°C, 0.95, fixed)

Range: -20 to 260°C (-4 to 500°F)

Resolution: 0.1°

Accuracy: 

-20°C to -7°C (-4 to 20°F): ±4°C (7.5°F)

-7°C to 260°C (20 to 500°F): ±3% of reading or ±2.5°C /5°F (whichever is greater)

Note: Accuracy is specified for an ambient temperature range of 18 to

28°C (64 to 82°F)

Emissivity: Fixed 0.95

Field of View: D/S = Approx. 6:1 ratio (D = distance; S = spot or target)

Laser pointer: Class 2(II) laser < 1mW power; Wavelength is 630 to 670nm

IR Spectral response: 8 to 14 m

Display: Backlit LCD display with function indicators

Display update rate: Less than 1 second

Operating Temperature: 0°C to 50°C (32°F to 122°F)

Operating Humidity: 80% Relative Humidity max.

Power Supply: 9V battery

Automatic Power Off: Meter shuts off automatically after 8 seconds

Weight: 125g (4.4 oz)

Dimensions: 80x31.7x137mm (3.15 x 1.25 x 5.4”)

 Manual