เครื่องวัดอุณหภูมิความชื้น รุ่น FLUKE 971 แบรนด์ FLUKE

Temperature Humidity Meter

Features

• Backlit dual display of humidity and temperature
• Measures dew point and wet bulb temperatures
• 99 record storage capacity
• Ergonomic design with belt clip and protective holster
• Quick-response capacitance sensor 
• Compact and lightweight (188 g /6.6 oz)
• Temperature range from -20 °C to 60 °C (-4 °F to 140 °F) 
• Relative humidity from 5% to 95%
• Min/Max/Avg Data hold
• Low battery indicator

Specifications

• Temperature : -20°C to 60°C (-4°F to 140°F)
• Temperature accuracy : 0°C to 45°C (±0.5°C),-20°C to 0°C & 45°C to 60°C (±1.0°C),32°F to 113°F (±1.0°F),-4°F to 32°F and 113°F to 140°F (±2.0°F)
• Resolution : 0.1°C / 0.1°F
• Temperature update rate : 500 ms
• Temperature sensor type : NTC
• Relative humidity range : 5% to 95% RH
• Relative humidity accuracy : 10% to 90% RH @ 23°C (73.4°F) (±2.5% RH),(< 10%, > 90%RH @ 23°C (73.4°F) (±5.0% RH)
• Humidity densor : Electronic capacitance polymer film sensor.
• Data storage capacity : 99 points
• Response time (humidity) : For 90% of total range - 60 s with 1 m/s air movement