Brand Name: GVDA
Origin: Mainland China
Theory: Infrared Thermometer
Max Measuring Temperature: 120°C & Above
Display Type: DIGITAL
Certification: CE,FCC
Style: Handheld
Usage: Industrial
Model Number: ST390+ ST490+
Power Type: AAA battery
Display Size: 1.9 Inches & Under
model: ST390+ ST490+ AE320
AE320: AE320: : ONE Laser point
ST390 ST490: ST390 ST490: : 13 Laser pointes
AE320 ST390: AE320 ST390: : -50 °C to 390°C / -58°F-734°F
ST490: ST490: : -50 °C to 490°C / -58°F-914°F
High Low Temp. Alarm: High Low Temp. Alarm: : only for ST490+
Emissivity(pre-set 0.95): Emissivity(pre-set 0.95): 0.10~1.00 : adjustable only for ST490
Distance to spot size: Distance to spot size: : 12:1
Spectral response: Spectral response: : 8-14 um & 500mSec
Repeatability: Repeatability: : 1%of reading or 0.1°C
Celsius/Fahrenheit unit switch: Celsius/Fahrenheit unit switch: : Yes
Max. Output Power: <1mw