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德國WOLTER GMBH 流量計

德國GEMue Gebr. Mueller Apparatebau GmbH & Co. KG閥門

意大利Gemels s.r.l.閥門

詳細介紹

德國WOLTER GMBH 流量計

流量和通量的測定和調(diào)節(jié)—儀器和工具
流量計

德國PTL PHYSIKALISCH-TECHNISCHES LABORHERMANN GMBH傳感器

德國SENSORTECHNICS GMBH傳感器

產(chǎn)品介紹：

:王工
同號
      449147851
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壓力的測量與調(diào)節(jié)—儀器和工具
流量和通量的測定和調(diào)節(jié)—儀器和工具
電力—電路元件和零件
壓力傳感器
用于壓力測量的壓力變送器制造商
空氣和氣體流量傳感器制造商
微型閥
腐蝕性氣體電磁閥門
傳感器制造商，可根據(jù)客戶需求定制
液位測量儀器

Products

Pressure Sensors and Transmitters

A broad selection of piezoresistive pressure sensors and transmitters from 1 mbar up to 1000 bar. Miniature SMT packages for space-saving PCB-mounting or rugged metal housings. For pressure sensing of air and gases or corrosive and aggressive liquids in medical devices, instrumentation and industrial applications.

Pressure Sensors and Transmitters

Liquid Level Sensors and Switches

Contact-free capacitive level sensors for continuous or point level sensing. Hydrostatic liquid level sensors from 0.5 m water column as submersible or externally mounted sensors. Miniature optical liquid level switches.

Flow Sensors

Calorimetric mass flow sensors for air and gases with fast response times, high sensitivity and bidirectional sensing capability. Small housings with tube fittings or manifold mounting for use in medical devices, instrumentation and HVAC applications. Differential pressure sensors for volumetric flow measurement of liquids and gases.

Flow Sensors

Customised Sensors and Systems

Sensortechnics is very capable of manufacturing highly customised sensors and developing integrated sensing and fluid control systems for customers worldwide. Customisation can range from modifying a standard sensor to developing complex OEM subsystems. Our experienced team of engineers is at your service to define the best product for your specific application.

Other Sensors

Precision force sensors with miniature housing options
Oxygen sensors with non-consumptive zirconium dioxide technology
Non-invasive sensors for air and gas bubble detection in liquids
Miniature low power humidity sensors
Miniature solenoid valves and diaphragm pumps for gases and liquids

壓力的測量與調(diào)節(jié)—儀器和工具
料倉料位指示器
極限值開關
料位測量
料位監(jiān)控
液位傳感器或水平傳感器

Products

Vibrating level switches: Level control instruments for bulk solids

Since many years already PTL Hermann is specialized in the development and production of vibrating level switches for bulk solids. These products are used for detecting the presence or absence of powdered or granular material that is stored in all kinds of silos, hoppers and containers. Special models for interface detection are available, e.g. to detect sand that has settled in water.

The unique, patented single rod designs of our instruments make them work perfectly and reliably even at critical applications where conventional products cause problems due to bridge building, material build-up or rat holing.

Product Overview

LevelSwitch
Vibrating level switch for all kinds of powdered and granular solids. Applicable for heavy materials like cement as well as for light materials with densities down to 20 grams/litre. Grain size from powder to max. 40mm.

STOCKTROL
Vibrating level switch for all kinds of powdered and granular solids. For heavy materials as well as for extremly light materials like styrofoam with densities even down to 10 grams/litre. Grain size from powder to max. 20mm.

CV600
Low-Cost vibrating level switches for grained and granular solids with minimum densities of 20 grams/litre (CV660: 50 grams/litre) and max. grain sizes of 10mm

SHT
Vibrating level switch for powdered and granular solids with high process temperatures up to 250°C

Principle of Operation

A mechanical vibrating system gets forced to vibrate on its resonance frequency by means of piezo electric crystals. When the vibrating blade gets covered by the material to be detected the vibration stops. This is sensed by an electronic circuit which forces a binary output to switch. When the blade gets uncovered the vibration restarts and the output switches back.

Advantages

The vibration technique has got many advantages over alternative level sensing technologies.

unaffected by environmental changes e.g. temperature, pressure, humidity
unaffected by material changes
unaffected by dust clouds and agitation
maximum versatility
no calibration required
no maintenance required: the vibration has a self cleaning effect
highest performance and durability: no moving parts, no wear-out

Furthermore the PTL products offer the following advantages

highest sensitivity: even extremely light materials like styrofoam with densities down to 10 grams per litre and lower can be detected
the unique, patented single rod designs with its specifically shaped vibrating blades prevent false signalling caused by material build-up, bridging and rat-holing.