MD3 - universal conditioning unit

MD3 gas dryer was initially designed to be a part of our stationary maMoS analyser.
Though, thanks to the efficiency, small dimensions, and competitive price, MD3 dryer became interesting alternative and even dedicated solution as a standalone gas conditioner.
Its another strong point - universality, makes it available in two different versions: stationary (hung on the wall), and portable for “laboratory” applications.


Main features

  • condensation dryer based on the Peltier element
  • built-in peristaltic pump for condensate removal
  • large surface gas filter (optionally two of them) that provides thorough cleaning of the gas sample and long maintenance free intervals

MD3 gas dryer, besides it is supplied as a part of maMoS gas analyser, can work as an autonomous device Then it is available in two versions:

A - stationary dryer - MD3 dryer with power supply unit is provided on a common mounting plate. All adjusted to be hung on the wall
B - portable dryer (for laboratory applications) - dryer is adjusted to set on table and is equipped with uncoupled mains adapter

A. MD3 gas dryer as stationary unit


B. MD3 gas dryer as portable (laboratory) unit


Front panel view


1. General parameters – MD3 gas dryer

Dimensions (W x H x D) Without filters: 110 x 205 x 160mm
With Filters: 145 x 240 x 160mm
Weight 1790 g (single filter version)
Mounting plate: dimensions (H x W) | material | weight 450 x 439mm | aluminium | 1.55kg
Protection grade IP20
Drying method Water condensation by rapid cooling down
Cooler type Based on Peltier cooling element with fan (12VDC supply)
Cooling temperature Constant, about +1°C, output gas dewpoint about +4°C
Ready to operate after 5 minutes
Operating conditions T: 0°C ÷ 50°C, RH: 5% ÷ 90% (non-condensing)
Storing temperature 0°C ÷ 60°C
Maximum gas flow for efficient drying
(at inlet gas temp. 100°C and RH 100%)
Gas filters: quantity | material 1 (optionally 2) | PA – body, PC – cover, viton – sealing
Filter insert: length | ID | OD | material | pore size 42mm | 26mm | 32mm | glass fibre | 2 μm
Condensate removal With built-in peristaltic pump
Peristaltic pump capacity 38ml/min
Power consumption 30W

2. General parameters – power supply unit – version A

Dimensions (W x H x D) 360 x 130 x 56mm
Weight (depends on equipment) 1.4kg
Casing's material Aluminium
Mounting plate Power supply is mounted on common plate with analyser unit
Operating conditions T: +10°C ÷ +50°C, RH: 5% ÷ 90% (non-condensing)
Storing temperature 0°C ÷ +55°C
Input voltage 100 ÷ 240V AC 50/60Hz
Output voltage 24V DC / 6.3A | 150W
Output current 6.3A max
Mains fuse 6A, B type
Cable pass 2 pcs PG-7

3. General parameters – mains adapter – version B

Dimensions (W x H x D) 115 x 55 x 35mm
Weight ~300g
Casing's material PC or PPO
Operating conditions 0°C ÷ +40°C
Storing temperature 0°C ÷ +55°C
Input voltage 100 ÷ 240V AC 50/60Hz
Output voltage +15V DC
Output current 4.33A max.
Output plug type 5.5 x 2.1 x 11mm (positive inner pin)
Output cable length 1.8m
Mains cable socket IEC C8 (T2)



Hereby tool helps to configure, in few simple steps, ready to measure analyser. It allows to select main structural components, like gas dryer, gas sensors, etc. Some elements, like probe pipes are to be selected separately. This mini-configurator, generates a list of madur codes that identifies the selected configuration. Customer may add own comments and requests. Device configuration has to be verified by pressing the Refresh button in the Order Summary section. Order summary can be send to our sale engineers for validation and in order to obtain price offer.

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