The EWMETER 900 is a controller for Temperature,Relative humidity and Pressure control.

• Housing: self-extinguishing ABS plastic.
• Dimensions: front 72x72 mm (2.84x2.84"), depth 102 mm (4.00")
• Connections: quick-disconnect screw terminal blocks (= 4 mm2; one wire each terminal only)
• Mounting: flush panel mount. Panel cut-out 67x67 mm (2.64x2.64")
• Display: 12.5 mm LED (0.50")
• Push buttons: located on front panel.
• Operating temperature: –5…60 °C.
• Storage temperature: –30…74 °C.
• Operating humidity: 10…90% non condensing.
• Inputs : PTC probe, RTD (Ni100, Pt100), TC (J, K), 4…20 mA, EWHS 28/31, EWPA 007/030
•Resolution: 1 °C (°F) or 0.1 °C (°F), 1%R.H. or 0.1%R.H.), 1 bar or 0.1 bar.
• Measuring range: depending on the probe
• Consumption: 5 VA max
• Power supply (depending on model): 230 VA/C ±10%, 50/60 Hz