Shaw SU4 Sample Conditioning Unit Hygrometer

SU4 - Sample Conditioning Unit.

Shaw SU4 Hygrometer
Sensor & meter inserted for illustration purposes.

The SU4 will reduce the pressure from the dryer to give a flow suitable for measurement. It combines a pressure reduction control, sensor holder and a flow meter for up to 10 litres per minute. (1-2 litre is usual for continuous use).

Moisture measurement under pressure will not give the correct answer but room pressure used in the SU4 will read correctly.


Sample Conditioning Unit, for wall mounting, comprising pressure regulator, flow indicator, and sensor holder mounted on a stove enamelled backplate.

Conditions flow of sample gas to the required 2-10 litres per minute at near atmospheric pressure for accurate and consistent sampling.

Pneumatic connections with a choice of 1/8", 1/4" or 6mm compression fittings if required for inlet and outlet.

4 x 5mm mounting holes at 240 x 140mm (H x W rectangle).

Dimensions / Weight: Overall dimensions: 260mm x 160mm x 135mm depth. Weight: 1.6-1.8Kg approx.
Sampling Options: Input Pressure (pr): Upto 20Bar (Lo), 200Bar (Med), 400 Bar (Hi).
Options: Filter Unit. (for 20 and 200Bar variants only)
Firtree fittings for 6mm i.d. hose (low pressure only typically <8 Bar)
To Order: SU4-Lo (1/8", 1/4" or 6mm fittings) for 20 Bar variant
SU4-Me (1/8", 1/4" or 6mm fittings) for 200 Bar variant
SU4-Hi (1/8", 1/4" or 6mm fittings) for 400 Bar variant
(Please state required fittings with order)

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