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Why streaming current? The charge potential of particle surfaces of the solids in a disperse system plays an important part in water treatment procedure. Due to the unidirected charge of these particles, an approach is prevented. The particles are stabilized in its solution. A separation of these particles will be easier, if the surface charge can be reduced and the particles can form bigger flakes and bigger units. In order to control this process, it is important to measure the surface potential of the solids. What is streaming current? If you fix two electrodes in a pipe-line carrying a suspension, one in the centre and the other one near the pipe-line wall, you can measure a current. This is caused by the separation of the counter ions from the solids. The counter ions will be carried with the turbulent flow, and the solids tend to stick to the pipe-line wall by adsorption and by 'van-der-Waals' forces. The measured current is named current caused by flow or Streaming-Current.

The robust and reliable multigas detector of the company BW-Technologies provides effective protection against up to 4 dangerous gases at the same time. Due to simple one-button operation and easy understanding symbols in LCD-display, this model is best qualified for a broaden range of industrial applications.

With the robust and reliable gas detector GasAlertMicro5 of BW-Technologies, it is possible to measure and to control up to five dangerous gases at the same time. Thanks to intelligent, integrated pump technology (optional) long distance samples in containers or enclosed rooms are possible, and is suitable for a broaden range of industrial applications. GasAlertMicro5 is available as standard version for toxic and flammable gases, as well as PID version for detection of volatile organic compound or as IR-version for detection of carbon monoxide. Features of GasAlertMicro5 Permanent display up to 5 gases concentrates in real-time at once Impact- and water-resistant Self-test of all functions for sensors, battery, electronic and acoustic / visual alarm Bright, wide-angle flashing alarm display With integrated vibration alarm, ideal for noisy environment Free adjustable alarm points Integrated gas sampling pump with reliable membrane technology Setting of various languages...

Protégé is an exceptionally multi-gas detector in shape of an hourglass, which fits in the palm of the hands. It is construed to control potential dangerous concentration of combustible gases, carbon monoxide and hydrogen sulphide, decrease of oxygen or –enrichment. Activation of functions is done intuitively, so it enables the user to concentrate completely on the task. Moreover, Protégé is equipped with automatically maintenance-functions, which contributes to a considerable reduction of costs for maintenance and training. This multi-gas device is provided with an own software allowing individual and specific adjustments and data recording. Features of Protégé: Easy handling with calibration and operation self-test Complies with all requirements of global supervisory authority through robust construction Easily maintained is due to automatic zero- and span calibration and easy replacement of sensors Through special ergonomic shape of an hourglass, well suited for all hand...

Gas-Pro of the company Crowcon is developed for protection in tight, dangerous areas. Gas-Pro offers display up to 5 gases in a compact, robust solution, which Resist tough areas and everyday use! Features of Gas-Pro Measurement up to 5 gases at the same time Clear dispay on top of the device, with two-coloured back lightening Internal pump (optional) Automatic, fail-safe detection of suction adapter Special mode for use before access Three-coloured safety- display Obvious alarm display: vibration alarm, signal tone >95dB and clearly visible red/blue LEDs Integrated, shock-proof casing with protection class IP65 & IP 67 against penetration of water and dust Suitable for use with newest gas test stations, for portable use, wall- or table assembly. Following gases can be measured (max. 5/device): Combustible gases (Ch4; 0-100%LEL) Chlorine (0-5 ppm) Carbon dioxide (0-5 vol.%) Carbon monoxide (0-500 ppm) Ozone (0-1 ppm) Oxygen (5-25 vol.%) Sulphur dioxide (0-10 ppm) Hydrogen...

The robust and reliable gas detector Triple Plus-IR of Crowcon provides effective protection against up to four gases of various dangerous gases at the same time. With the help of modern pump technology and hydrocarbon- infrared- recognition for measurement of hydrocarbons (in the unit measurement % LEL and vol.%), it is especially adventurous for monitoring of inert atmospheres (e.g. tank cleaning) Features of Triple Plus-IR Permanent display up to 4 gases in real time at the same time. Shock- and waterproof Self test of all functions of sensor, battery, electronic and acoustic/optical alarm Bright, wide-angle flashing alarm display Free adjustable alarm points Integrated gas probe pump with reliable membrane technology PC- interface for configuration of device Technical data of Triple Plus-IR Size (cm): 11,8 x 16,7 x 7,3) Weight (g): 900 Application temperature: -20 up to +50°C Alarm: optical, vibration and acoustic (95dB) low, high, Stel, MAK, OL (exceedance of measuring...

The gas detetctor pump for easy usage in difficult situations The manual Dräger Accuro is used for short time measurements of Dräger tubes. Often measurements take place in extreme situations, for example: ladders, shaft or under heavy respiratory protection. The gas detector pump Accuro is easy to operate with one hand The gas detector pump Accuro is easy to operate with one hand and enables reliable measurements at hardly accessible places. This pump is a bellow pump in which the air is sucked stroke wise through the tubes. The body of the pump consists of a bellow, which is pressed together completely for measurements. After release of bellows, the sucking drains automatically and the relevant measured gas is sucked by the insert tube. The sucking process is finished when the body of the pump is completely open again. The end of stoke can be read by a pressure controlled display in pump head of Dräger Accuro. Data sheet

GasAlertMicroClip is called now: GasAlertMicroClip XL with improved technology. In future, this device shows its correct operation function by a green flashing light. Newly li-ion battery was developed for a longer service life for over 2 years The handy and compact multigas detector of BW-Technologies provides protection effectively up to 4 dangerous gases at once. Due to single-button operation it provides easy handling and therefore it reduces time while briefing its user. Features of GasAlertMicroClip: Service life: 2 years Permanent display up to 4 gases concentrates in real-time at once Impact- and water-resistant Self-test of all functions for sensors, battery, electronic and acoustic (95dB)/ visual alarm Bright, wide-angle flashing alarm display With integrated vibration alarm, ideal for noisy environment Compatible with BW-MicroDock II Free adjustable alarm points Setting of various languages (German, English, French, Spanish, Portuguese Technical Data Size (cm): 10.8...