The Ashcroft GL42 Low Differential Pressure Transmitter is used for measurement and control of extremely low pressures and flow. Incorporating variable capacitance sensor with patented Si-Glas technology, this ensures high sensitivity and performance. A perfect product when reliable measurement and indication is needed.

Applications include filter monitoring, flow measurement, clean room monitoring, and fume hoods. Key features include Si-Glas silicon variable capacitance sensor technology, accuracy of ±0.50% or ±1.0% span, excellent long term stability, 4-20 mA output, IP65 housing, four digit LCD display, and field selectable units.