CMS5000 Monitoring System

Unattended, On-Site VOC Monitoring

The CMS5000 Monitoring System is a self-contained system utilizing GC (Gas Chromatograph) technology for continuous, unattended remote monitoring of air or water.

CMS5000 performs complex analyses during environmental remediation. The programmable CMS IQ software allows you to manage the sample collection and analysis sequence, or you can simply use one of the included default methods. The analytical data is representative of actual conditions at the time of sampling - providing the answers you need to make better and faster decisions about environmental issues. Concentrations can be accurately measured and reported in minutes.

Designed as a stationary instrument, the CMS5000 is ideal for long-term VOC monitoring, with minimal operator intervention required.

INFICON has approved  Innovative Mission Systems, LLC (IMS) to support CMS5000 integration projects.  The CMS5000 can be integrated into either an existing SCADA system, a newly developed SCADA system, a Web-Based User Interface or Human Machine Interface (HMI) Data Control System, an Instrument Panel, and/or a custom developed monitoring system.  The data communications link could utilize the existing CMS5000 Modbus protocol interface, be implemented into SCADA Remote Terminal Units, or interface directly to the CMS5000 software Application Programming Interface (API) for specific applications while functioning with secure TCP/IP Ethernet capability.


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  • Continuous, unattended monitoring using on-board default methods
  • Low maintenance
  • Robust, reliable design minimizes consumable use
  • Fast, simple start-up with minimal training required
  • CMS IQ software
  • Communication integration
  • Wireless capability
  • Can be used for air or water monitoring

Typical Applications

  • Drinking water distribution systems
  • Water source and water distribution protection
  • Wastewater discharge compliance
  • Groundwater remediation
  • Air quality monitoring


Type CMS5000
Physcial Operating Requirements  
Power Requirements Universal 110-240 V (ac), 200 Watts maximum
Size 16.9 x 32.7 x 10.2
Temperature 5 to 45
Relative Humidity 5 to 95%
Weight 55.1
Gas Chromatograph  
GC Column DB-1, 0.32 mm ID, 30 m, 4.0 μm df or equivalent
Heated Zones- Maximum Temperature- Valves °C 60
Heated Zones- Maximum Temperature- Column °C 225
Sample Inlet- Water Continuous Monitoring SituProbe (dynamic purge and trap)
Variable Column Pressure Control Regulator pre-set to 90 psi
Temperature Programmable Column Module °C 55 to 200
Carrier Gas Argon 99.999% @ 414-689 kPa (60-100 psi)
Valves Stainless Steel body / Telfon diaphragm
Sample Inlet- Air Air Sampling tube or direct plumb (<1 ATM)
Heated Zones- Maximum Temperature- Detector Oven °C 110
Concentrator Tri-Bed
Micro Argon Ionization Detector  
Dynamic Range 3 decades
Detection Limit ppb to ppt for most analytes
Repeatability 5 replicates of 1 ppb benzene: RSD calculated <5%
Temperature °C 5 to 45
Ionization Source Ni-63 2.4 mCi
Sensitivity in Water 0.5 ppb benzene in water s/n >200:1; 0.5 ppb MTBE in water s/n >15:1
FTP Configurable for automated data upload
Storage 160 GB (minimum) hard drive
Touch Screen 6.5 in. VGA color display with touch screen
Wireless Connectivity 802.11 B/G
  • I/O Relay Contacts
  • USB for local diagnostics
  • TCP/IP based
  • Modbus over TCP/IP
System Status Status table for system operating changes
Computer / Data Internal Intel® Pentium® processor
Data Results Text file with compound retention times, quantitation, time/date for all targeted compounds including method parameters, and system status
Analysis & Protocols  
Data Analysis Automatic peak detection and integration for known compounds
Integrated Performance Standard Toluene Permeation Tube for check standard calibration
Detectable Compounds Volatile organic compounds (e.g. halogenated, aliphatic, and aromatic hydrocarbons)
Acceptance Protocol Initial setup with purge method


Part Number Description
070-1419 Sample Bag, Vacu-Tube, 0.7 Liter,10 each
070-1420 Vacu-Tube, 0.7 Liter
070-1686 Sample Bag, 1 Liter, ALTEF, 10 pack
071-842 Custom Chemical Standard
935-712-G1 Tri-Bed Concentrator

Spare Parts

Part Number Description
059-0647 Calibration Tube Plug, 1/4 in.
059-0648 Calibration Tube Plug, 1-1/4 in.
070-1205 Gastight Syringe, 25 mL
070-1206 Gastight Syringe, 10 μl
070-1207 Replacement Needle, 10 μl
070-1223 Gastight Syringe, 10 μl
070-1224 Gastight Syringe 50 mL, w/Luer Lock
070-1454 Syringe, 1L, w/Luer Lock
600-1319-P2 Ethernet Communication Cable
930-469-G3 230V(ac) Power Supply, United Kingdom
930-469-G4 230V(ac) Power Supply, Australia / China
930-469-P1 110V(ac) Power Supply, United States
930-469-P2 230V(ac) Power Supply, Europe
935-212-G1 Argon Fill Line
935-301-P3 Water Calibration Vessel
935-375-P1 Sample Collection Tube
935-383-P1 Water Sampling Vessel
935-412-P1 2-Stage Regulator, Model 318
935-415-P1 CMS5000 Stand
935-701-G1 Air Sampling Tube
935-732-G1 Wing nuts for vessel (pack of 4)
935-734-G1 Purge Tube Kit
935-752-G1 Air Sampling Adapter
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