Si-C320 Multifunction transmitter
For clean rooms, regulated environments and industrial VAC applications where a perfect regulation/monitoring of the air parameters is needed, our Si-C320 transmitters provide reliable measurements and allow you to achieve compliance with the strictest regulations.
The Si-C320 housing is waterproof, rugged and resistant to vaporised hydrogen peroxide (VHP). It also features a colour touch screen for comprehensive viewing and advanced control of measurement parameters.
In addition, measurements can be recorded and downloaded via the Sauermann Control application/software.
Supplied With:
1 Si-C320 Multifunction transmitter
4 analogue outputs
1 RS485 interface with ModBus RTU protocol
Inputs for 2 x probes
1 slot for optional differential pressure module
1 slot for optional relay module
1 slot for optional wireless communication module
Terminal blocks for power connection
Terminal blocks for output connections
Wall-mount fixing plate
1 adjusting certificate
Measure details
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UnitsACH, inH₂O, ppb, °Ctf, °F, °Ftf, °C, % RH, °Ctw, °Ctd, °Ftd, °Ftw, Pa, ppm, g/m³, g/kg, kj/kg, m/s, m³/h, cfm
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AlarmBuzzer (60 dB at 10 cm)

Technical details
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ParametersAbsolute humidityAir Change RateAir velocityAirflowAtmospheric pressureCOVOCCO₂Dew pointDifferential pressureEnthalpyFrost pointMixing RatioRelative humidityTemperatureWet-bulb temperature
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DisplaysGraphic touch display
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IP ProtectionIP 66, VHP resistant (Vaporized hydrogen peroxide)
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Standards2015/863 EU (RoHS 3)UKCA2012/19/EU WEEE2014/30/EU EMC2014/35/EU Low Voltage2014/53/EU RED
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Wireless connection1
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Power supply24 VAC / VDC ±10%
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Outputs4 x 4-20 mA, 0-20 mA, 0-10 V and 0-5 V analogue outputs
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Ethernet communicationNo
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ModBus networkYes

Instrument Dimensions
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Length6 7/32 inches158.25 mm
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Width3 1/32 inches76.65 mm
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Height5 11/32 inches135.8 mm
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Weight1 13/32 pounds626 g

Operating temperature
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Min-10.00 °C14.00 °F
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Max50.00 °C122.00 °F

Storage temperature
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Min-10.00 °C14.00 °F
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Max70.00 °C158.00 °F