Ambetronics Engineers Pvt Ltd. Supplies Loop Powered LCD or LED Humidity Transmitter, TRH-107. Ambetronics Engineers Pvt Ltd. Is an ISO 9001:2000 certified manufacturer of Digital Panel Meters & Digital Indicators. The Loop Powered LCD or LED Humidity Transmitter is operated by accurate, fast and reliable sensing technology. It has 4 Digit Dual LED Display, Upper Display for percent RH and Lower Display for Temperature. This Loop Powered LCD or LED Humidity Transmitter is used for storage, warehouse and cold storage, building management or HVAC systems, Energy Management & Energy Saving Systems, Climate Test Chambers, Computer Server Rooms, Green Houses, Agriculture farms, Healthcare, Hospitals, Shopping Malls, Climate Control in Museums, Libraries, etc.