Eco Sensors C-21 Volatile Organic Compound Detector Voc Sensor

US $1200

  • Poway, California, United States
  • May 29th
ECO SENSORS C-21 Volatile Organic Compound Detector VOC Sensor The model C-12 is a solid-state gas monitor capable of sensing a variety of gases and vapors. The ones it is generally sensitive to are called VOCS (volatile organic compounds), and the most common application of the C-12 is for solvent vapors. Common examples are paint thinners, dry cleaning fluids, cleaning solvents, and gasoline vapors. The instrument does not respond to carbon dioxide or radon, and has only a weak response to carbon monoxide. The C-12 is self-contained except for its AC adapter power module. 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. 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: 85 X 35 X 60 mm (3 1/4" X 1 3/8" X 2 3/8"). Weight of instrument: 140 grams (5 oz.). Shipping weight of instrument and adapter: about 2/3 kg. (1 1/2 lbs.) Eco Sensors Model C-12 RESPONSE RANGES FOR SOME COMMON VOCs First detects Alarm TLV*  (First red bar) ppm ppm ppm Acetone 4-5 20-25 750 Benzene 5-10 25-50 10 Diacetone alcohol 5-10 25-50 50  Formaldehyde 1-5 15-25 0.1  Methylene chloride 8-10 40-50 50  Methyl ethyl ketone 3-5 15-20 200  Perchloroethylene 5 50 50  Toluene 3-5 15-25 50  Trichloroethylene 10-20 50-100 50  *Threshold Limit Value. Average estimate of government industrial hygienists for repeated worker exposure. DISPLAY CALIBRATION FOR “PERC” (Partial calibration for perchloroethylene, the common dry cleaning fluid.)  LED Display Concentration ppm All green 20  All yellow 40  One red 50  Two red 100  All red 140

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