Holykell, founded in 2001, is a market leader in pressure, temperature, level and flow measurement technology. We've become a preferred partner for OEMs because we always strive to exceed our customers' expectations.

H2603 adopts integrated structure, the yellow housing with IP67 rating is made of flame retardant material and the whole sensor has passed Ex ia IIC T6 Ga test, which enables it to work in flammable and explosive occasions. They also focus on the wireless communication. H2603 supports GPRS/4G/Lora network protocols and all the data collected can be sent to the cloud platform where the staff have access to the real-time data view, parameter setting, historical data download... And when the data are abnormal, the smart sensor will immediately send out an alarm message through SMS, mobile phone or WeChat to remind the staff.