Infrared Thermometer Zhengzhou where most species? [Zhengzhou] Emi Instrument Co., Ltd., Zhengzhou City, Megumi Instrument Co., Ltd. Contact: Mr Zhu 13017693918 Tel :0371-66227105 QQ: 625132122 Address: Zhengzhou City, South Street, West Street intersection (Tube City Commission southward 300 m) official website: www.91-17.com GM300 infrared thermometer | suitable for maintenance of electrical instrumentation equipment, engines, electric motors, industrial production and HVAC air conditioning system for easy detection, security, fast find hidden faults. | Handheld Infrared Thermometer GM300 features: 1, C / F temperature unit conversion 2, Data Hold 3, positioning laser ON / OFF Select 4, LCD backlight on / off selection 5, automatic shutdown Technical parameters: Measuring range: -32 ~ 350C (-26 ~ 662F) Accuracy: ± 1.5% or ± 1.5C Repeatability: ± 1% or ± 1C object distance ratio: 12:1 Emissivity: 0.95 preset resolution: 0.1C / F Response time: 500 ms response Wavelength :8-14μm size: 153X101X43 Product Weight: 147.5 g (with battery) Power: 9V battery Package Blister + card