Velleman DVM321 Black weather station

Digital Humidity & Temoerature Meter (0% - 100%RH and -20°C - +60°C) - display: LCD with backlight
- sensor type:
- humidity: precision capacitance sensor
- temperature: thermistor (head) and type K thermocouple
- measurement range :
- humidity: 0%RH - 100%RH
- temperature: -20°C to 60°C (-4°F to 140°F)
- accuracy:
- range 5% to 95% RH: +/- 3.5%RH (at 23°C +/- 5°C)
- range -20°C to 60°C: +/- 2.5°C
- 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 6LR61battery (incl.)
- dimensions: 225 x 45 x 34mm
- weight: 200g