FAQ - Technical

MH Nafion Humidifier Sizes – How to Select

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Which sizes are available for MH humidifiers?

The MH Series (Monotube) humidifier is available in a variety of length and tubing sizes, and can be specified according to an intelligent product numbering system as shown in the table below. The humidifier performance is dependent on the total amount of active surface area, so both the tubing diameter and the length affect performance. See the MH humidifier page for more information.

1 – Series
MH (Monotube Humidifier) Series MD
2 – Tubing Size (OD/ID)
0.050″ Nafion™ Tubing (0.053″/0.042″) 050
0.070″ Nafion™ Tubing (0.072″/0.060″) 070
0.110″ Nafion™ Tubing (0.108″/0.086) 110
3 – Dryer Lengths
12″ (30 cm) 12
24″ (60 cm) 24
48″ (120 cm) 48
4 – Shell and Connector Material
Polypropylene (PP) P
Fluorocarbon (FEP / PVDF) F
Stainless Steel S
5 – Sample Gas Connector Type
1/16″ Compression (MD-050 only) 1
1/8″ Compression 2
1/4″ Compression 4

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