The key specifications of the RTD Module, For 4", HMI Display are — Bezel: IP66 rated Keypad and touch screen; Resolution: 16 bit; Operating temp.: 0 to 50°C; Storage temp: -20 to 80°C. These specifications are based on the standard GEM Equipments design; always verify against your machine's requirement before use. Founded in 1984 and ISO 9001:2015 certified, GEM Equipments Pvt. Ltd. is a Coimbatore-based manufacturer of compressed air dryers, cooling towers, industrial chillers, and compressed air treatment accessories, trusted by 1000+ industrial clients across India.