Intelligent Hydrogen Gas Detector from General Monitors continuously monitors for hydrogen and has a
precision electrochemical hydrogen sensor that has a T90 response
of under 30 secs and minimal zero shift across its operating environmental
conditions. It is unaffected by short-term (= 2.5 min) exposure to hydrogen
concentrations up to 50 percent LEL. The
TS4000H Detector has a 4-20 mA output, 8A relays, HART or Modbus
communications, and a 3-digit LED display that displays gas concentrations in
ppm. The system also displays fault codes for
troubleshooting and provides complete status to the Control Room.
of the electronics are contained within an explosion-proof housing so gas sensor
information can be processed at the sensor site. The gas sensor may be remote
mounted up to 2000 ft (610 m) away from the electronics.
interface module's galvanically-isolated,
intrinsically-safe design also supports sensor field replacement without
special tools or hot work permits. The TS4000H detector calibrates by
activating a magnetic switch and applying gas.
engineers who need to protect people, equipment and the environment will find the
TS4000H hydrogen sensor suited for industries where hydrogen gas leaks are a
hazard. The detector complies with ATEX, CSA, CE, GOST and is certified for use
in SIL 2 environments.
addition to monitoring for low hydrogen levels, the TS4000H can be configured
to detect other toxic gases including: ammonia, carbon monoxide, chlorine, chlorine
dioxide, hydrogen chloride, hydrogen sulfide, nitric oxide, nitrogen dioxide,
oxygen deficiency, ozone and sulfur dioxide.
Bioimimicry is not merely a helpful design tool -- it also encourages designers to think not only about how to solve design problems by imitating nature, but how to make the products, materials, and systems they design more ecologically sound and nature-friendly.
What if algae borne of fertilizer runoff that pollutes rivers and lakes could be harvested and used as biofuel feedstock? What if the leftovers could be recycled into farm soil nutrients, eliminating at least some of the need for artificial fertilizers in the first place? Western Michigan University researchers have a plan.
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