RD3 Membrane Dehumidifier

Type RD3 are flat membrane dehumidifiers suitable for enclosures up to two litres. They have push connectors. The standard version is model RD3 which is designed to be mounted on the outside of the enclosure. It has dimensions 24 x 30 x 5.5mm and is supplied with a gasket. A suitable 3V dc power supply is required.

Optional Environmental Protection for Rosahl RD membranes is available by fitting the 310013 Vapour Transmission Sheet (VTS), a thin PTFE vent membrane featuring microscopic pores that allow air and water vapour to pass freely while blocking water droplets, oil mist, dust, and other contaminants.

Membrane Size Comparison Chart

Small membrane comparison		PD2/PD3**	RD3/RD4***	RS1/RS2****	MDL-3	MDL-5	MDL-7
Dehumidifying (grams/day)		0.084	0.084	0.21	4	8	16
Applicable volume		<2 litres	<2 litres	<5 litres	<0.5m3	<1m3	<2m3
Element terminal voltage		3V DC	3V DC	3V DC	3V DC	3V DC	3V DC
Power consumption (W)		0.08	0.08	0.22	2	3	4
Dimensions (mm)		Ø 17 x 11	30 x 24 x 5.5	21 x 28 x 13 5	96 x 63 x 2.3	96 x 88 x 2.3	116 x 108 x 2.3
Weight (g)		1.8	1.8	3.4	20	25	50
Operating temperature		-10 to +50C	-10 to +50C	-10 to +50C	-10 to +50C	-10 to +50C	-10 to +50C
Notes		** Connector PD2 soldered PD3 push	*** Mounting RD3 outside RD4 inside	**** Connector RS1 Soldered RS2 Push	Push connector with 50cm cable supplied	Push connector with 50cm cable supplied	Push connector with 50cm cable supplied

Additional information