Moisture / Dew Point Hygrometers MM400 Advanced technologies in process gas measurement for maintenance free analysis. Utilising a state of the art ceramic sensor the MM400 offers excellent long-term reliable and stable moisture analysis from trace levels to ambient air conditions. Applications Industrial specialty Gases Heat Treating Furnaces Air Dryers Chemical Manufacturing Compressed Air Natural Gas Plastics Manufacturing Inert Atmosphere Blanketing Metallurgy Features & Benefits Autoranging from –100°C to +20°C Fast response and recovery from saturation RS232/485 outputs Fault alarm °C, °F, and ppmv units Intrinsically Safe Option Calibration traceable to NIST Remote sensors available Approved by BASEEFA and CENELEC to ATEX II 1G EEX ia IIC T4 standards Maintenance Free Performance Guaranteed The Systech Illinois 400 Moisture/Dew All instruments in the series incorporate our Custom Configuration Principle of Operation Point Hygrometers represent the latest high quality aluminium oxide moisture advance in moisture analysis. Designed to sensor, providing accurate, dependable This series is designed with the user in A small, anodized aluminium strip is be customised to your application giving results over a wide range from –100°C to mind. These units are completely coated with a very thin layer of gold. precise measurements while providing a +20°C dew point. The aluminium oxide configurable including the ability to remote The aluminium and gold layers form the two simple, yet affordable analyser. sensor is maintenance-free and is the mount sensors and offering user-selectable electrodes of an aluminium oxide capacitor. popular choice for the most demanding units of Dew Point (°C or °F) or ppmv. The water vapour penetrates through the applications. gold layer and adheres to the pores of the Two versions of the remote sensor are oxide layer. The number of molecules Simply select the instrument configuration available to meet your needs. The general absorbed on the oxide layer determines the and sensor location and let the analyser do purpose sensor includes flow valves and conductivity of the oxide. The value of pore the rest. can be mounted up to 1km from the wall resistance provides a value of analyser. A simple coaxial cable connects impedance which is directly related to the the sensor to the instrument. water vapour pressure. Cabinetry & Mounting The intrinsically safe remote sensor allows The MM400 can be configured in 3 different for installations into hazardous areas. This cabinets. The sensor can be remote sensor is approved by BASEEFA and mounted from any of these configurations. Water vapour molecules permeate CENELEC to ATEX II 1G/EEx ia IIC T4 gold emulsion to change the sensor’s standards. Both general purpose and intrinsically safe capacitance in relation to the dew MM410 remote sensors are available: point of the sample gas stream. Three different configurations to match your needs: Permeable Gold Coating Panel or bench mount Porous Aluminium NEMA 4X / IP66 waterproof and Oxide Interlayer weatherproof Aluminium 19 in. rack mount Substrate Options PTFE Insulation MM420 Analogue Outputs Alarms Remote Sensors MM411 Versatile Configurations Combine the MM430 with any of our All Systech Illinois’ sensors are made to oxygen or carbon dioxide analysers to laboratory standards of precision and create a dual gas analyser. Both units fit industrial standards of durability. into a 19" rack mountable cabinet. MM430 Stainless steel housings, lab grade Intrinsically General components and controlled environment safe sensor purpose sensor manufacturing ensure the finest, most consistently precise sensors in the industry. MM400 - Moisture / Dew Point Hygrometers MM410 MM420 MM430 Bench/Panel Mount IP66/NEMA 4X Rack Mount 4U 190H x 237W x 410D (mm) Wall Mount/Weatherproof Houses 1 or 2 analysers 7.9kg 404H x 328W x 180D (mm) 178H x 484W x 410D (mm) 13.1kg 9.7kg (single unit) Technical Specifications Measurement Ranges Autoranging from -100°C to +20°C and equivalent in ppm(v) moisture Accuracy ±1°C from -60°C to +20°C ±2°C from -100°C to -60°C Response Time Wet gas to dry gas: -20°C to -60°C, less than 60 seconds Dry gas to wet gas: -100°C to -20°C, less than 60 seconds Selectable Units Dew Point °C / Dew Point °F / ppm(v) Display Type 5 digit high visibility LED Operating Conditions Sample and ambient temperature: 0–40°C (32–104°F) Sample Connections 1/8 in. Swagelock® type, brass Sample Pressure 0.25 – 28.0 Barg Sample Flow Independent: ideally 0.5 l/min Power Requirements 115/230 VAC, 50/60 Hz Unacceptable Gases Corrosive gases, Mercury, Ammonia, Chlorine, HCl, Ozone Options Analogue Outputs Scaleable 0 - 10V, 0 - 100mV and 4 - 20mA all isolated High / low alarms 2 Voltage free with changeover contacts rated 240V 3A 19” Rack Mount Can be combined with many of our other products in a 19” rack mount configuration Remote Mounted Sensors General Purpose Sensors can be remote mounted up to 1km away. Intrinsically Safe Sensors can be mounted up to 200m away. Systech Il inois have over 25 years experience of providing analysis solutions for a wide range of industries. From our manufacturing plants in the UK and U.S we produce gas analysers for industrial process industries, headspace analysers for monitoring gas flushing of food products, and our range of permeation analysers. Systech Instruments Ltd (UK) Illinois Instruments, Inc (U.S) Illinois Instruments (Thailand) Systech Illinois (China) 17 Thame Park Business Centre, 2401 Hiller Ridge Road 6th fl Nopnarong Bldg No7 Room 519, No.3 FuCheng Building Wenman Road, Johnsburg, Illinois 60051 Ladprao23, Jatujak, Bangkok 10900 No. 900 Quyang Rd, Hongkou district, Thame, Oxfordshire OX9 3XA U.S.A Thailand Shanghai, China 200434 Tel: +44 (0)1844 216838 Tel: +1 815 344 6212 Tel: +66 (0)2938 0798 Tel: +86 21 65533022 Fax: +44 (0)1844 217220 Fax: +1 815 344 6332 Fax: +66 (0)2938 1058 Fax: +86 21 65539651 E-mail: advice@systech.co.uk E-mail: sales@illinoisinstruments.com E-mail: mai@illinoisinstruments.com Email: info@systechillinois.cn www.systechillinois.com www.systechillinois.com www.systechillinois.com www.systechillinois.cn Systech Illinois reserve the right to change specifications without notice. 09/2010