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FLK 971 product description:

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

Environmental Specifications

Operating temperature Temperature: -20°C to 60°C

Humidity: 0°C to 55°C

Storage temperature -20°C to 60°C at < 80% R.H. (with battery removed)

Mechanical and General Specifications

Weight 190 g (6.7 oz)

Dimensions 194 x 60 x 34 mm

Battery type 4 AAA alkaline batteries

Battery Life 200 Hours