Moisture meter model PM-599TH Version 4603 was produced to measure the moisture contentof long grain paddy in Thailand only. with a special accessory called Auto-hopper which helps to measure humidity accurately.  It also passed the certification from the weightand measure from the Ministry of Commerce. It is a machine that can be used to buy-sell paddy legally. which this model is available for sale at Khetler (Thailand) Co., Ltd.