August 2003Analytical Instrumentation & Environmental Monitoring
Products & Solutions
The Captex and CEX 800 detectors are meant for small size applications. The most widely used detector type CEX 810 AD is a three-wire bridge signal, housed in a flame-proof enclosure.
For high temperatures (up to 250°C) a special version type CEX 810 HT is available.
The CEX 810 G uses a thermal conductivity sensor and is suitable for measuring % volume levels of gases (0-100%).
The CEX 820 with its built-in transmitter (4-20 mA signal output) can be linked to any control panel. Operating from 24 V d.c. nominal (19 to 32 V d.c.), the CEX 870 returns a linear 4-20 mA signal on a three-wire connection. The built-in LED display unit and the maintenance switch located in an intrinsically safe compartment, allow easy maintenance and one-man calibration.
Several specific sensors are available for the CEX 870 detectors, ie NH3, H2, poison-resistant pellistors for environment containing traces of silicones, chlorinated compounds etc.
The CSC 870 uses a semiconductor gas sensor technology. It is a leak seeking/alarm device for harsh environments containing H2S solvents.
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