Digital Temperature Humidity Meter Handheld High Precision Electronic Hygrometer TM-820M Moisture Analyzer Tester

Specifications:

• Humidity: 0.0-100% RH
• Humidity error: ± 3.5% RH (20% -80%) ± 5% RH (0-20% & 80-100%)
• Temperature: -10.0-50.0C (-4F -140F)
• Temperature error: ± 1C (0C -40C) ± 2C (-20C ~ 0C & 40C -60C)
• Response time: 1 second measure twice
• Sensor type: humidity: precision capacitance sensor;
• Temperature: Thermistor
• Operating environment: 0-50C (32-122F) <80% RH non-condensing
• Power: 9V battery ( not included )