MDM25 is a portable, battery powered handheld watch that can be used with various probes. This handheld meter can display relative humidity, temperature, and a calculation, making it suitable for a range of practical applications. Users can also choose to display in units of ℃ or ℉. 360° Product view (use mouse to move) Close highlight Display relative humidity and temperature values, as well as dew point, absolute humidity, and wet bulb temperature, etc Easy to operate Long term stability characteristics: less than ± 1% RH within one year

Handheld watch performance unit of measurement %RH，℃/ ℉ Ta、Td、Tw，g/m3 mechanical properties Protection level IP54， Only referring to the handheld watch itself Shell material ABS engineering plastic with surrounding rubber strips weight 300g display resolution LCD screen pixel size 128 * 64 Output/Input voltage 4.5 V (3 AA batteries, approximately 70 hours) electrical connection M9 connector probe performance Range (RH) 0~100%RH Temperature accuracy @ 25 ℃ ±0.2℃ Stability (RH) ± 1% RH/year Response time (RH) T90 is usually less than 10 seconds Measurement work range (temperature) Fixed and standard probes: -20 to 80 ℃ Sword probe: -20 to 100 ℃ Split type probe: -20 to 150 ℃ Humidity accuracy @ 25 ℃ Fixed probe:<± 2% RH Split type probe:<± 2% RH mechanical properties weight Fixed probe Standard probe Sword probe Cylindrical probe 30cm Cylindrical probe 50cm FPR 30g SPR 90g SWPR 500g HTPR300 380g HTPR500 620g