Termometro igrometro elettronico tester digitale di umidità di temperatura di prova dvm321

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