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Autoranging from –148°F to +68°F
RS232/485 outputs
°F, °C, and ppmv units
Calibration traceable to NIST
Remote sensors available
Moisture / Dew Point Hygrometers
Features & Benefits
MM400
Advanced technologies in process gas measurement for maintenancefree analysis. Utilising a state of the art ceramic sensor the MM400offers excellent long-term reliable and stable moisture analysis fromtrace levels to ambient air conditions.
Fast response and recovery fromsaturation
Fault alarm
Intrinsically Safe Option
Applications
Industrial specialty Gases Heat Treating Furnaces Air DryersChemical Manufacturing Compressed Air Natural GasPlastics Manufacturing Inert Atmosphere Blanketing Metallurgy
Approved by BASEEFA and CENELEC to ATEX II 1G EEX ia IIC T4 standards
The MM400 can be configured in 3 differentcabinets. The sensor can be remotemounted from any of these configurations.
Both general purpose and intrinsically saferemote sensors are available:
Three different configurations to match yourneeds:
Panel or bench mount
NEMA 4X / IP66 waterproof andweatherproof
19" rack mount
Analog OutputsAlarmsRemote Sensors
All instruments in the series incorporate ourhigh quality aluminium oxide moisturesensor, providing accurate, dependableresults over a wide range from –148°F to+68°F dew point. The aluminium oxidesensor is maintenance-free and is thepopular choice for the most demandingapplications.
Simply select the instrument configurationand sensor location and let the analyzer dothe rest.
The Systech Illinois 400 Moisture/DewPoint Hygrometers represent the latestadvance in moisture analysis. Designed tobe customized to your application givingprecise measurements while providing asimple, yet affordable analyzer.
Cabinetry & Mounting
Options
Combine the MM430 with any of ouroxygen or carbon dioxide analyzers tocreate a dual gas analyzer. Both units fitinto a 19" rack mountable cabinet.
Versatile Configurations
Maintenance Free
MM410
MM420
MM430
This series is designed with the user inmind. These units are completelyconfigurable including the ability to remotemount sensors and offering user-selectableunits of Dew Point (°C or °F) or ppmv.
Two versions of the remote sensor areavailable to meet your needs. The generalpurpose sensor includes flow valves andcan be mounted up to 3280.8ft from theanalyzer. A simple coaxial cable connectsthe sensor to the instrument.
The intrinsically safe remote sensor allowsfor installations into hazardous areas. Thissensor is approved by BASEEFA andCENELEC to ATEX II 1G/EEx ia IIC T4standards.
A small, anodized aluminium strip iscoated with a very thin layer of gold.The aluminium and gold layers form the twoelectrodes of an aluminium oxide capacitor.The water vapor penetrates through thegold layer and adheres to the pores of theoxide layer. The number of moleculesabsorbed on the oxide layer determines theconductivity of the oxide. The value of porewall resistance provides a value ofimpedance which is directly related to thewater vapour pressure.
All Systech Illinois sensors are made tolaboratory standards of precision andindustrial standards of durability.
Stainless steel housings, lab gradecomponents and controlled environmentmanufacturing ensure the finest, mostconsistently precise sensors in the industry.
Custom Configuration Principle of Operation
Performance Guaranteed
MM411
Generalpurpose sensor
Intrinsicallysafe sensor
Water vapour molecules permeategold emulsion to change the sensor’scapacitance in relation to the dewpoint of the sample gas stream.
Permeable Gold Coating
Porous AluminiumOxide Interlayer
AluminiumSubstrate
PTFE Insulation
Systech Illinois reserve the right to change specifications without notice. 2010/09
Illinois Instruments, Inc (U.S)2401 Hiller Ridge RoadJohnsburg, Illinois 60051U.S.ATel: +1 815 344 6212Fax: +1 815 344 6332E-mail: [email protected]
Systech Instruments Ltd (UK)17 Thame Park Business Centre,Wenman Road,Thame, Oxfordshire OX9 3XATel: +44 (0)1844 216838Fax: +44 (0)1844 217220E-mail: [email protected]
Illinois Instruments (Thailand)6th fl Nopnarong Bldg No7Ladprao23, Jatujak, Bangkok 10900ThailandTel: +66 (0)2938 0798Fax: +66 (0)2938 1058E-mail: [email protected]
Systech Illinois (China)Room 519, No.3 FuCheng BuildingNo. 900 Quyang Rd, Hongkou district,Shanghai, China 200434Tel: +86 21 65533022Fax: +86 21 65539651Email: [email protected]
MM410Bench/Panel Mount7.48H x 9.33W x 16.14D (inches)17.41lbs
MM420IP66/NEMA 4XWall Mount/Weatherproof15.9Hx12.91Wx7.08D (inches)28.8 lbs
MM430Rack Mount 4UHouses 1 or 2 analyzers7H x 19.05W x 16.14D (inches)21.38 lbs (single unit)
Measurement Ranges
Accuracy
Response Time
Selectable Units
Display Type
Operating Conditions
Sample Connections
Sample Pressure
Sample Flow
Power Requirements
Unacceptable Gases
Options
Analog Outputs
High / low alarms
19” Rack Mount
Remote Mounted Sensors
MM400 - Moisture / Dew Point Hygrometers
Systech Illinois have over 25 years experience of providing analysis solutions for a widerange of industries. From our manufacturing plants in the U.S and UK we produce gasanalyzers for industrial process industries, headspace analyzers for monitoring gas flushingof food products, and our range of permeation analyzers.
Technical Specifications
Autoranging from -148°F to +68°F and equivalent in ppm(v) moisture
±1°F from -76°F to +68°F (±1°C from -60°C to +20°C)±2°F from -148°F to -76°F (±2°C from -100°C to -60°C
Wet gas to dry gas: -4°F to -76°F (-20°C to -60°C), less than 60 secondsDry gas to wet gas: -148°F to -4°F (-100°C to -20°C), less than 60 seconds
Dew Point °C / Dew Point °F / ppm(v)
5 digit high visibility LED
Sample and ambient temperature: 32–104°F (0–40°C)
1/8 in. Swagelock® type, brass
0.25 – 28.0 Barg
Independent: ideally 0.5 l/min
115/230 VAC, 50/60 Hz
Corrosive gases, Mercury, Ammonia, Chlorine, HCl, Ozone
Scaleable 0 - 10V, 0 - 100mV and 4 - 20mA all isolated
2 Voltage free with changeover contacts rated 240V 3A
Can be combined with many of our other products in a 19” rack mountconfiguration
General Purpose Sensors can be remote mounted up to 3280.8 ft away.Intrinsically Safe Sensors can be mounted up to 656 ft away.
