... ReadingsMeasurement Range-20 to 70°C(-22 to 150°F), O to 100%RHStorage Temperature-35°C to 80°C (- ... (with battery)AccessoriesToAnalyzer 1 CD, USB cable, battery.Shenzhen Speed Sources Technology Co., Ltd. IT is an integrated enterprise of development, production ... : Building 19, Yintian Industrial park, Yintian Village, Xixiang Town, Shenzhen,518102,Guangdong China QA/QC: In House Number of Production ...