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Detector de amoniaco (NH3)
Bran+Luebbe
General technical and method specific data (e.g. ammonium)
Measuring principle potentiometric Measuring cycle 6 minutes or longer Range in mg P/l 0 - 2.5 to 0 - 2000 Other components and ranges on request Precision typ. < 2% of range Drift typ. < 1% of rangeReagent supply for approx. 3 weeks No. of sample streams up to 4 Output signal 0/4 - 20 mA, load 400 Ohm linear response galvanically separated Option: RS 232, RS 485 businterface Limit signal 1 potential-free contact per sample stream max. load 2...

Más especificaciones...
por: click (viernes 13.07.2007@17:38h)    Leer Todo (0 Comentarios)   Comentar    

 
Sensor de amoniaco NH3
http://www.figaro.co.jp
The sensing element of TGS826 is a metal oxide semiconductor which has low conductivity in clean air. In the presence of a detectablegas, the sensor 's conductivity increases depending on the gas concentration in the air. A simple electrical circuit can convert the change in conductivity to an output signal which corresponds to the gas concentration.

The TGS826 has high sensitivity to ammonia gas. The sensor can detect concentrations as low as 30ppm in the air and is ideally suited to critical safety-related applications such as the detection of ammonia leaks inrefrigeration systems and ammonia detection in the agricultural field.
por: click (viernes 13.07.2007@17:22h)    Leer Todo (0 Comentarios)   Comentar    

 
NT-NH3 Electrochemical Ammonia Sensor
ELECTROCHEMICAL AMMONIA SENSOR, THE NT-NH3 FROM NEMOTO & Co Ltd WORLD LEADERS IN GAS SENSOR TECHNOLOGY (http://www.nemototech.com/)
Nemoto & Co manufactures and markets a range of Gas Sensor Devices for use by Gas Detection and Gas Analysis Instrument manufacturers worldwide. They do not manufacture complete instruments, but offer high quality Gas Sensing devices, technical support and commercial partnership to those companies who do.

General description of the sensor

The NT-NH3 Cell is a new electrochemical gas sensor with 3 electrodes for the detection of Ammonia (NH3) in a variety of gas detection applications. Exhibiting high performance with long-term stability, The compact (20.4mm dia) NT-NH3 sensor is designed to monitor toxic levels of ammonia is a wide variety of industrial safety applications. The sensor is mechanically and electrically compatible with a wide variety of commercially available gas detection instruments
por: click (viernes 13.07.2007@10:44h)    Leer Todo (0 Comentarios)   Comentar    

 
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