Providing Equipment & Service Options to the
    Environmental, Health & Safety Professional

    850 Bridge Street NW,  Grand Rapids, MI  49504     800.836.1880                                     

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    Portable Gas and Vapor Monitors   (scroll down for fixed systems)

The BW GasAlertMicro is a small, easy-to-use, affordable monitor for 1 - 4 channels (typically LEL, Oxygen, CO & H2S).
Two AA batteries last 16+ hours. We've had great success with this instrument in municipalities and among contractors.

Chris likes it for our rental pool because it is very durable (rubberized boot housing) and dependable. 
Detachable battery-powered pump available for remote sampling. Accessories to add may include calibration kit, pump, download kit and rechargeable NiMH battery kit.

The BW GasAlertMicro 5 is slightly larger than the Micro, but has a built-in pump for those with a lot of remote sampling needs.
It can be configured as a Photoionization detector, as well as the following:
H2S, CO, O2, SO2, PH3, NH3, NO2, HCN, Cl2, ClO2, O3, LEL
The BW GasAlertExtreme single gas monitor is small and runs 2 years on a camera battery.
Available for:  H2S, CO, O2, PH3, SO2, Cl2, NH3, NO2, HCN, EtO, ClO2, O3, NO

The BW GasProbe IAQ 4-channel Indoor Air Quality Monitor continuously and simultaneously tracks  CO2, CO, Temp and Humidity.
All channels' information is continuously displayed on the unit's large, easy-to-read LCD.
Downloads data to a PC via IR port or dongle.  Lightweight, easy-to-hold for extended site surveys and economical.
Available with graphing software included.
Ion Science's PhoCheck line of photoionization detectors (PID) can detect down to parts-per-billion resolution.
Choose the detection range that suits your application and budget, and upgrade to greater sensitivity if future needs demand it.
The PhoCheck's lightweight, ergonomic design sits well in the smallest of hands. User-selectable screen formats include large character (for easy viewing) and graphing.

Optionally configurable for LEL, Oxygen, CO and H2S as well.

National Draeger's Chip Measurement System (CMS) is the technological successor to its colormetric tube gas and vapor detection technology. Insert a compound-specific chip into the CMS unit for 10 tests, echoing its heritage of the traditional 10-tube box of Draeger tubes. Then, sensitive optical electronics read the capillaries for the presence of the target compound and display concentration on the LCD with accuracies in the +/- 5% range (w/ 2-sigma confidence) -- a far cry from traditional +/- 25% accuracy of its tubal ancestors!
The CMS is a welcome alternative to glass tube-based detection in glass-averse environments like food or pharmaceutical plants.

 

Fixed (Continuous) Gas and Vapor Monitors

 Our best-selling sensor head, the intrinsically safe BW GasPoint can be used alone or with a controller. It is configurable to detect a wide range of atmospheric hazards and has on-board relays to control alarms and/or ventilation. The top left rubber button provides non-intrusive calibration and programming where hazardous areas require it. 

Many municipalities and manufacturers are dispensing with portable confined space gas detectors in favor of these fixed heads for their increased coverage and ease of use.

   
Applications monitoring for oxygen deficiency and toxic gases can be addressed with the dependable and cost-effective BW IS Plant Rat sensing head. Intrinsically safe, its two-wire 4-20 mA operation makes it cost-effective to install. Simple, one-person calibration makes for simple, cost-effective upkeep. Call for further information.
   
If your application does not require a third-party intrinsic safety rating, consider the economical BW CD-420 sampling head. Available for a wide variety of toxic gas hazards, the CD-420's advanced micro-power electronics deliver superior performance, eliminating false alarms. Its direct linear output means it is a cost-effective candidate to replace sensors in existing control systems. With a faster response time, the CD-420 provides reliable early hazard warnings at an affordable price. Call for further information.
   

Want to detect volatile organic compounds continuously? Ion Science has introduced the TVOC fixed PID (photoionization detector) head to provide greater awareness of VOC exposures. ATEX-approved as Intrinsically Safe, the TVOC provides a 4 - 20 mA output to achieve continuous duty detection.

The diffusion-style unit precludes the costly installation of sampling tubing. The TVOC features dual detection ranges of  0 - 100 ppm and 0 - 1,000 ppm

   
Entirely self-contained, the CR-4000 4-channel, 4-20mA, AC/DC controller provides continuous uninterrupted monitoring and of toxic gases, combustibles and oxygen hazards. The CR-4000 delivers 24 VDC power to any 4-20 mA transmitter.

Application-focused, solution-orientated and competitively priced, the CR-4000 will meet your needs today and in the future. Flexibility is built-in for easy adaptation to changing requirements. Call for further information.