VOC Monitor

Highly Sensitive to Solvent Vapors & other VOCs

E Continuous Monitor VOCs - Constantly monitors your work environment

E Detects Leaks and poor air quality - before they are a health hazard

E Alarms before OSHA TLV is reached - for most common solvent based VOCs

E Use as a portable or stationary monitor - with included internal battery or AC adapter

E Audible Alarm - 80db for immediate notification

E Outputs for External Equipment - Relay contact and 0-2VDC output (nonlinear)


Sensor: Heated metal oxide semiconductor

Sensitivity: First responds at a few ppm for many VOC gases and vapors. Alarm typically sounds at about 50 ppm.

Response time: Within one minute of when gas reaches the sensor.

Audio alarm level: Approximately 80 db.

Temperature and humidity range: 0-40 deg C and 0-80% relative humidity.

Supply voltage required: 12 volts DC, 200 mA.

Battery life: Over 2 hours per charge.

Size of instrument: 3 1/4" X 1 3/8" X 2 3/8"

Weight of instrument: 5 oz

Ordering Information

Model C21             VOC Monitor. includes internal rechargeable batteries, AC adapter/charger, manual


5 Gas Detector (H2S, CO, O2, SO2, PH3, NH3, NO2, HCN, Cl2, ClO2, O3, VOC, Combustibles)

Providing protection from up to five potential atmospheric hazards including oxygen, combustible and toxic gases, GasAlertMicro 5 is unparalleled in its versatility, capability and overall value. BW's newest addition to its water-resistant line of portable gas detectors has transformed the market with its matchless array of features.

Continuously monitoring and displaying concentrations of up to five gases, the compact and lightweight GasAlertMicro 5 was designed and engineered with an extensive host of applications in mind.


  • Integral concussion-proof boot

  • Optional integral motorized pump option for remote sampling

  • Powered by three AA alkaline batteries or a hot-swappable rechargeable battery pack

  • Triple alarms (audible, visual and vibrating)

  • Multi-language support in English, French, German, Spanish and Portuguese

  • Large, user selectable backlit LCD

  • Four alarm levels: Low, High, TWA and STEL

  • Compatible with MicroDock II Automatic Test and Calibration Station

  • Datalogging models store and recall event information

  • Wide range of user selectable field options including password protection, safe and stealth modes.


Full function self-test confirms sensor, battery and circuitry integrity and audible/visual alarms on activation


Excellent Technology Co.
Hong Kong: Tel. (852) 2691 3821    Fax. (852) 2900 2980
Email: LabSupplyhk@Gmail.com

China: Tel. (86) 150 1799 2655   Fax. (86) 755 3360 9662
Email: etchk.China@Gmail.com