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PCE Instruments: Filtering Technology

PCE Instruments: Filtering Technology


Filtering Technology in a refineryFiltering Technology in industrial systemsChemical application of Filtering Technology

Filtering Technology

On this page, you will find all information and instruments relating to the subject of filtering technology. Filtering technology covers two fields. The first field, the filtration, includes instruments and solutions for the accomplishment of the filtering process. The second field, the filtrate-test, deals with instruments, which are needed for the filtrate test. Filtration is a mechanical separating process, whose task it is to remove (filter) particles and floating particles out of fluid or gaseous mediums (suspension or aerosol). For this purpose, there is great number of diverse procedures and instruments. Examples for various filtering methods are the Cross-Over-Filtration, the layer-filtration and the surface-filtration. When filtering technology is used, one often needs to test the filtrate after the filtration (e.g. when deleting toxic particles). In this case, the filtrate-test comes into operation. Among the instruments that are applied in the filtrate-test, there are moisture-detectors, muffle furnaces, dry boxes, incinerators and scales. You will soon find an assortment of instruments from the filtering technology on this page. You can receive more information on new products and monthly offers via e-mail here. If you can't find the filtering technology you are looking for, please contact us and we will help you find the best solution which suits your needs: UK customers +44(0) 23 809 870 30 / US customers (561) 320-9162. Our technical staff will advise you regarding our products. Our engineers and technicians will be happy to help you with the filtering technology, and of course, with the other products in the field of regulation and control, measuring instruments or scales and balances of PCE Instruments Ltd.

Filtering Technology in course of application in laboratoryFiltering Technology in sewage treatment plantsFiltering Technology for cleaning different materials

Filtering Devices

Filtrate Testing

Filtering Technology: Filtering Devices Filtering Technology: Filtrate Testing

Cross-Flow-Filtration: In Cross-Flow-Filtration, the liquid which is supposed to be filtered flows along a filter medium at a velocity of 3 m/sec. The high flow rate is necessary to avoid the formation of a filter cake. This would increase the resistance to filtration and thus lead to a higher energetic expenditure. Since this process does not arouse a filter cake, the suspension has to be pumped down when a certain combination of solids is reached. This filtering technique is often used in the filtration of beverages.
Layer-filtration: During layer-filtration, filter plates of a size of 4-5 mm are composed in several layers. With this filtering technique, the medium to be filtered is filtered more finely from layer to layer and thereby, a very high degree of filtration is achieved. This filtering technique is important in the filtration of spirituous beverages.
Surface-filtration: Surface-filtration consists of cylindrical filter tubes. These tubes are positioned in numerous lines next to each other and stabilized with the help of a supporting cage. The gas flow passes through the tubes from the outside inwards. Gradually, a filter cake is built on the surface of the tubes. With increasing thickness, this filter cake operates as an effective filter itself. With the rise of the filter cake, the differential pressure rises, too. This leads to a higher energy consumption and requires a regular cleaning of the filter. This filtering technique finds application in cases in which a gas flow has to be cleaned up because of particles, e.g. in cement plants or mills. Here, the flour is recaptured from the gas flow by aid of the surface-filter.

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Below you will find an overview of the different product groups of measuring instruments

Absolute Humidity Meters
Alert Meters
Air velocity meters
Analyzers (Colour)
Analyzers (Combustion)

Analyzers (Gas)
Analyzers (Lan)
Analyzers (Noise)
Analyzers (Oxygen)
Analyzers (Ozono)

Cable detectors (electrical)
Cameras (Infrared Thermal Imaging)
Capacitance Meters
Coating Thickness Meters
Chlorine Meters
Clamp Meters
Climate Meters
Colour Meters
Clamp Meters
Conductivity Meters
Contact Thermometers
Current detectors

Data Loggers
Differential Pressure Meters
Digital Multimeters
Detectors (Humidity, Radiation, Voltage)
Dose Meters (Noise)

Dust particle analyzers

Electric Tester
Flow Meters Air
Flow Meters Gas
Force Gauges (digital)
Function generators
Frequency Meters
Gas Detector
Handheld Tachometers
Hardness Meters
Humidity Testers (Building material)
Indicator Sound Level
Indicator (Humidity)
Instruments (Environmental)

Impedance bridges
Infrared Thermometers
Insulation Meters
Lan Network Testers
Laser Distance Meters
Laser level
Laser meters
Laser thermometers
LCR Meters
Length Meters
Light Meters
Lux Meters
Material Thickness Meters
Measurement Devices (Force)
Measuring Meters (Distance)
Measuring Wheels
Meters (Combustion, Distance, Earth,
Energy, Environmental, Gas, Gloss, Ground pH, PowerPressure, Radiation, Salt, Temperature)
Modular signal Converters
Moisture Indicator

Multi-Parameter Photometers
Noise Meters
Ohm Meters
Oxygen Meters
Ozone Meters
Paper Moisture Meters

Phase rotation meters
Photovoltanic meters
Pitot tube air flow meters
Pocket pH-meters
Power Analyzers
Pressure Gauges
Quality Meters (Air)
Radiation Counters
Radioactivity meters
Reader (Temperature)
Recorders Data
Redox Meters
Relative Humidity Meters
Resistance Testers
Rotation meters
Roughness tester
Rotation meters
Roughness tester
Sensor (Temperature)
Signal converters
Signal Level Analyzers
Single-parameter Photometers
Sound Level Meters
Systems for Environmental
Stethoscopes (electronic)
Surface Thickness Meters

Telescope Meters
Temperature Probes
Testers Air
Testers Conductivity
Testers Earth
Testers Insulation
Testers Noise
Testers pH
Testers paper
Testers Sound
Testers Temperature
Thermal stress
Thermal Imaging Cameras
Thickness Meters
Torque meters

Ultrasonic Flow Meters

VDE tester
Vibration Meters
Video endoscopes
Voltage meters
Weather Stations
Wood (humidity)

Below you will find an overview of the different product groups of scales and balances

 Accurate scales
 Analytical scales
 Animal scales

 Baby scales
 Basic scales

 Bench scales

 Cask scales
 Crane scales
 Compact scales
 Counting scales

 Density scales
 Dosing scales

 Electronic scales

 Floor scales
 Force meter

 Hanging scales

 Hook scales
 Hopper scales
 Household scales
 Humidity scales

 Industrial scales
 Inventory scales

 Jewellery scales

 Kitchen scales

 Laboratory scales
 Lifting scales
 Load cranes
 Load scales

 Mechanical scales
 Micro scales
 Moisture scales
 Multifunction scales

 Package scales
 Pallet truck scales
 Pallet scales
 Paper scales
 Pharmacy scales
 Piece counting scales
 Platform scales
 Pocket scales
 Postal scales

 Precision scales
 Probe cutter

 Retail scales

 Scales for analysis
 Scales for carat
 Scales for colleges
 Scales for dentistry
 Scales for gold
Scales for people
 Scales for school
 Scales for transit

 Scales for weighing pallets
 Scales with a support
 Scales with counter
 Scales with software
 Shipping scales
 Spring scales
 Surface scales

 Systems (Hanging)

 Tabletop scales
 Thermo scales
 Trade scales

 Vehicle scales
 Verifiable scales
 Veterinary scales

 Water resistant scales
 Weighing hooks
 Weighing platforms
Weighing scales
 Weight indicator