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Spectrex - Model C-21 -Color Bar VOC Gas Detector
Includes Audio Alarm, Battery operation and Provision for External Alarm and Data Logger. For paint shops, printers, dry cleaners, woodworkers, vehicle repair facilities, chemical production areas and wherever indoor air quality monitoring is required: the Model C-21 gas sensor helps you comply with the new VOC air quality regulations for hydrocarbon gases and solvent vapors.
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- Constantly monitors your work environment. Detects leaks and poor air quality before they are a health hazard. Alarms below OSHA TLV for most common solvent-based VOCs.
- No installation. Easily used and understood by non-technical personnel.
- Virtually no maintenance.
- 24 hour per day, 7 days a week guarding for leaks.
- Beeper will sound when preset level of contamination is reached.
- Highly sensitive to solvent vapors and other VOCs. Bright green-yellow-red display clearly shows hazard level of gas or vapor.
- Typical color indications for PERCHLOROETHYLENE:
- All Green 20 ppm
- All Amber 40 ppm
- One red 50 ppm
- Two red 100 ppm
- Three red 140 ppm
- Detects down to OSHA, EPA, and other regulatory-mandated levels...typically at low ppm concentrations.
- Has built-in rechargeable battery for portable use in tracking leaks. (This allows for 2 hours unplugged to track down a leak)
- Access jack to external alarm and data logger
- Rugged construction with many safety features.
- Made in U.S.A.
- Enclosure: Self extinguishing ABS plastic
- Sensor: Heated element is flame arrestor protected
- Electrical: (a) Circuits operate at 12 volts/250mA or less with no high capacity inductors or capacitors. (b) Automatically resetting fuse to protect against excess current flow and excess heating. (c) Dual zener-type diode barrier to protect against surges, spikes, and over-voltage and reverse polarities.
- Range: Full scale = 50-100 ppm for most solvent based VOCs.
- Bargraph display: Green = normal. Yellow = caution. Red = danger.
- Response time: Within a few seconds of the VOC gas reaching the sensor.
- Measurement principle: HMOS (heated metal oxide semiconductor) sensor.
- Size: 85 × 35 × 60 mm (3.25 × 1.375 × 2.375 in)
- Weight: 140 gr (5 oz).
- Power requirements: 12 VDC at 300 mA. AC adapters available worldwide.
- Battery: Self-contained NiCad or NiMH. Approximately 2 hour capacity. Recharged by AC adapter overnight.