welcome to the new mounting kit section.

Installation and mounting kits

The standard installation method for Rosahl membrane dehumidifiers is inside the enclosure or cabinet they are to dehumidify. However, for small enclosures, mounting the dehumidifier externally can be beneficial.

In such cases, installation kits are available that reposition the membrane to remove the moisture. Kits for internally mounting membranes are also available. There are three types of mounting kit depending on the membrane type and whether it is mounted inside or outside the enclosure. They are:

External mounting kits for small enclosures

Internal mounting kit for MDL-Series

Internal mounting kits for all M-Series models

MDL-3-Dehumidifer-Case---exploded-inside-webready

Complete mounting sets for Rosahl membranes

Mounting kits streamline installation, allowing you to order a complete setof parts with one part number—including multi-part mounting mould, membrane dehumidifier, VREG2 power adapter, gaskets, fixing screws, and cable crimps. All components remain available for individual or combined ordering.

M-Series external mounting sets for M-1J1R to M-3J1R and MDL-3

For small enclosures, mounting the dehumidifier externally can be beneficial. These special external mounting kits rotate the membrane to ensure the correct the moisture outflow. They are also suitable for drying 3D print filament like the Bambu Labs AMS and similar automated feeding systems.

The complete set comprises a three part mould that holds the membrane and ready cabled VREG2 (VRS330 or VRS-330) power adapter board in place. A gasket and sealing ring are also included in the kit. The included M-5PKT includes the fixings.

Part number	M-1J1R-SET	M-2J1R-SET	M-3MJ1R-SET	M-3J1R-SET	MDL-3-SET
Comprises of:
Membrane	M-1J1R	M-2J1R	M-3M1R	M-3J1R	MDL-3
Fixing kit including	M-5PKT	M-5PKT	M-5PKT	M-5PKT	M-5PKT
External mould (3-part)	✓	✓	✓	✓	✓
Sealing ring	✓	✓	✓	✓	✓
VREG2 wired USB power adapter	✓	✓	✓	✓	✓

MDL internal mounting sets for MDL-Series

The internal mounting sets for the MDL-Series also offer a simple mounting solution. A 3mm thick stainless-steel plate holds the membrane firmly in position against the cover, and the sealing gaskets prevent moisture intrusion. Using the same fixings, a separate flat plastic plate attaches to the outside of the enclosure to provide ventilation and protect the membrane’s outside operating surface. This set can be used with the Rosahl rain cover if required.

Installation set for membranes	MDL-3	MDL-5	MDL-7
Part Number	MDL-SET3	MDL-SET5	MDL-SET7
Comprises of
Flat external plastic cover plate	MDL-3COV	MDL-5COV	MDL-7COV
Internal steel retaining plate and gaskets (2)	MDL-3RP	MDL-5RP	MDL-7RP
USB-C power adapter board	VREG2	Order separately LS75-3.3	Order separately LDA30F
VREG2 mounting base	VR-FMC	X	X
M-5PKT fixing/wiring set	M-5PKT	M-5PKT	M-5PKT

VREG2 USB-C power adapter boards

VREG2 are compact power adapter boards used with a USB power source (not PD types) and adapt it to 3V DC suitable for the Rosahl membranes. They have an onboard USB-C connector. They are suitable for use with all PD, RD and RS small dehumidifiers and also, the M-IJ, M-2J M-3M and M-3J Series and MDL-3 membranes.

The VR2-FMC is a compact mounting base for the VREG2 power adapter board.

VR-FMC (VREG2 Mounting)

VR2-FMC is a compact mounting base for use the VREG2 USB-C power adapter board. The power on LED is visible when mounted.

Universal fixing kit

The M-5PKT fixing kit is compatible with all membrane mounting kits excluding the M-7J1R and M-10-J1R. It includes 6 x M3 20mm bolts, 4 x M3 30mm bolts, 6 x M3 35mm bolt plus six nuts and washers. Also included are cable crimps the membranes.

The M-7PKT fixing kit is compatible with the membrane mounting kits for the M-7J1R and M-10-J1R. It includes 8 x M4 20mm bolts plus eight nuts and washers. Also included are cable crimps the membranes.

Moulds

3D printers are used to produce our moulds using black PETG. Other colours are available on special order (min. 8 units per colour). Similar moulds are also available for free download from the Internet.

Get help

At micro-dehumidifier.com we have years of experience in working with and applying Rosahl micro dehumidifiers.

If you want help or assistance, contact us

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M-Series internal mounting sets for all models M-1J through M-10J

The internal mounting sets for the M-Series offer a simple mounting solution. A flat clip cover attaches to the inside surface of the membrane to reduce the risk of accidental damage. A separate flat plastic plate attaches to the outside of the enclosure to provide ventilation and protect the membrane’s outside operating surface. This set can be used with the Rosahl rain cover if required.

Installation set for membrane	M-1J1R	M-2J1R	M-3M1R	M-3J1R	M-5J1R	M-7J1R	M-10J1R
Part number	M-1JSET	M-2JSET	M-3MSET	M-3JSET	M-5JSET	M-7JSET	M-10JSET
Comprises of:
Flat external plastic cover plate	M-1JCOV	M-2JCOV	M-3MCOV	M-3MCOV	M-5COVJ	M-7JCOV	M-10JCOV
Internal protective clip cover	M-1JCP	M-2JCP	M-3MCP	M-3JCP	M-5JCP	M-7JCP	M-10JCP
USB power adapter VREG2	VREG2	VREG2	VREG2	VREG2	Order separately LS75 power supply	Order separately LDA30F power supply	Order separately BWB3.3SX-U1
VR-FMC VREG2 mount	VR2-FMC	VR2-FMC	VR2-FMC	VR2-FMC	X	X	X
M-5-PKT fixing/wiring set	M-5PKT	M-5PKT	M-5PKT	M-5PKT	M-5PKT	M-7PKT	M-7PKT

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