Sigma Scientific Glass Pvt. Ltd offers Two Point Digital Temperature Indicator. Sigma Scientific Glass Pvt. Ltd is an ISO 9001:2000 certified company. The Two Point Digital Temperature Indicator is used to monitor simultaneously temperature of liquid and gases in glass assemblies at two points. It is mainly used to monitor temperature of liquid and vapors in a glass distillation unit in chemical, pharmaceutical, dyes and allied industries. The Two Point Digital Temperature Indicator consists of two resistance temperature detector [RTD] and Temperature display unit. The standard unit display temperature in degree Celsius with switch to monitor two temperature and works on 220V, 50 Hz power supply.