Digital humidity & temperature meter (0% to 100%rh and 20°c to +60°c)

Specifications

* display: LCD with backlight
* sensor type:
o humidity: precision capacitance sensor
o temperature: thermistor (head) and type K thermocouple
* measurement range:
o humidity: 0%RH - 100%RH
o temperature: -20°C to 60°C (-4°F to 140°F)
* accuracy:
o range 5% to 95% RH: +/- 3.5%RH (at 23°C +/- 5°C)
o range -20°C to 60°C: +/- 2.5°C
o range -4°F to 140°F: +/- 3.5°F
* response time: 180ms
* sample rate: 2.5 times per second
* polarity: automatic, with negative polarity indication
* overload indication: 'OL'
* resolution: 0.1%RH, 0.1°C, 0.1°F
* operating conditions: 0-50°C (32-122°F); <80%RH non-condensing
* storage conditions: -10°C to 60°C (14-140°F); <80%RH non-condensing
* auto power off: device shuts down automatically if no key is pressed for ± 15 min.
* battery: 9V (6LR61) battery (incl.)
* dimensions: 225 x 45 x 34mm
* weight: 200g