POCKET HUMIDITY METER, 
economical type 
Model : HT-305 
* Measurement : Humidity, Temp., Dew point 
* Pocket and compact housing case. 
* Fast response time. 
* Humidity : 10 to 95 %RH , Temp. : 0 to 50 oC. 
* Resolution : 0.1 %RH, 0.1 degree. 
* DC 9V battery (006P). 
* Separate probe. 
* Size : 135 x 60 x 33 mm.