Measurement of differential pressure, flow velocity and volume flow Automatic zero-point adjustment guarantees high, temperature-independent accuracy and long-term stability Display with multi-language operating menu and optical alarm display Ethernet, relay and analog outputs allow optimum integration into individual automation systems Self-monitoring of the transmitter and early warning function guarantee high system availability 4 relay outputs, limit value monitoring Cable entry NPT 1/2" Operating temperature: -5 to 50 ° C Storage temperature: -20 to 60 ° C Process temperature: -20 to 65 ° C Measures 162 mm length by 77 mm width by 122 mm height Piezoresistive sensor Measuring cycle: 1/sec Maximum load: 500 ohms Differential pressure: mbar/min/max Protection class: IP 65

Measurement of differential pressure; optional: humidity and temperature Automatic zero-point adjustment guarantees high, temperature-independent accuracy and long-term stability Low measurement range up to 10 Pa ensures highest precision at lowest pressures Flat housing allows flush surface integration in the cleanroom wall Display with multi-language operating menu and optical alarm display Preparation for external humidity/ temperature probe Testo 6610 Piezoresistive sensor 0.1 Pa Resolution 0.1 percent RH Humidity 0.01° C Temperature Protection class: IP 65 Operation temperature: -5 to 50° C Storage temperature: -20 to 60° C Process temperature: -20 to 65° C Measures 161 mm length, by 78 mm width, by 396 mm height