SADPmini2-Ex with Features

Advanced Generation of Portable Dewpoint Hygrometers

Feature packed, powerful, portable dewpoint hygrometer for fast and accurate measurement of trace moisture content in industrial gases

With over 25 years’ experience, Alpha Moisture Systems is a global leader in the development, manufacture, supply and service of portable dewpoint hygrometers.

The latest development, in the form of the SADPmini2-Ex and SADPmini2, incorporates market leading sensing technology with our unique desiccant head assembly to ensure superior process control.

Designed using the latest technology, this dewpoint analyser offers features including on-board data-logging, wireless Bluetooth connectivity and an accessible, user controlled interface.

SADPmini2-Ex | SADPmini2

SADPmini2-Ex dewpoint hygrometer, intrinsically safe for use in hazardous areas, and SADPmini2 dewpoint hygrometer, both offering unsurpassed sensitivity and reliability

SADPmini2-Ex Overview Image



Full colour screen displaying multiple units simultaneously

Desiccant dry-down chamber for fast response

Full data logging capability

Wireless Bluetooth and USB connectivity

10 language user interface

AutoCal span correction facility

Rechargeable battery in excess of 150 hours continuous operation

Strong, durable and rugged IP66/NEMA4X construction body

Compare Features

SADPmini2 Comparison Chart

SADPmini2 Overview Image


SADPmini2 Home Screen

Our Most Powerful Portable Dewpoint Hygrometer

The SADPmini2 models boast a range of new features

Built to withstand the toughest of environments, the SADPmini2 range of dewpoint hygrometers is the most versatile portable instrument designed by Alpha Moisture Systems.


Span correction facility for ensuring optimum accuracy between laboratory calibrations

LCD Display

Full colour LCD displaying multiple engineering units simultaneously, realtime graphing and screenshot features


Rechargeable lithium-ion battery offering in excess of 150 hours use in continuous operation

Selectable Units

Measurement units selectable in °C or °F and absolute values in ppm(v), ppm(w), mg/m³ or lb/MMSCF

10 Languages

Display in 10 languages: English, French, German, Spanish, Italian, Portuguese, Russian, Chinese, Japanese & Korean

Data Logging

Flexible programming & data logging with capacity in excess of 300,000 data points


Bluetooth connection to a PC, smart phone or portable printer

Smartphone App

Receive Bluetooth data via the SADPmini2 User App for Android or iOS devices

SADPmini2-Ex Certification Icon Set

Intrinsically Safe

SADPmini2-Ex is safe for use in hazardous areas, certified by ATEX, IECEx and UL

Bluetooth Printer – BTP01

Effortlessly print results in the field

The Bluetooth Printer – BTP01 allows rapid printing of live or stored data. Compact, lightweight and rugged; suitable for use in challenging environments.

Ideally suited for:

Medical gas checks & hospital applications

3rd party on-site testing

Periodic testing for service engineers

Wireless Bluetooth Printer BTP01 for SADPmini2


Ideal for portable applications, 0.5kg including carry case

Graphed Data

Date, time, file name & instrument serial number indicated on each print out.


Rechargeable battery, zero to full charge in only 2 hours

Portable Sample System – PSS

Pre-condition pressurised gas for rapid on-site measurement with SADPmini2 dewpoint hygrometers

The Portable Sample System PSS has been specifically designed for use with the SADPmini2 and SADPmini2-Ex dewpoint hygrometers. Simply connect the sample, regulate pressure and flow for rapid, accurate dewpoint measurement.

Ideally suited for use when sampling directly from elevated line pressures (up to 200barg) without the need for any additional accessories. Examples include

Natural gas production & distribution

Plant drying applications

The portable sample system has no stored energy components or any possible source of ignition therefore can safely be used with SADPmini2-Ex in hazardous applications or environments.

Portable Sample System with SADPmini2-Ex


Can be used in conjunction with SADPmini2-Ex and SADPmini2 instruments


Choose sample input connections, isolation/pressure regulation and filter type.


Ideal for portable applications, carry case included.