If you wish to use the Matrix guide to find your desired product
click here |
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| Different measurement applications demand different measurement principles and the following is a guide to Litre Meter Flow Measurement Products. |
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| LOW VISCOSITY LIQUIDS |
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 Pelton Wheel (turbine type for all liquids)
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| Euromag Electromagnetic (conductive liquids) |
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| HIGH and LOW VISCOSITY LIQUIDS |
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| Helical Screw (positive displacement) |
| Rotary (positive displacement) |
| Euromag Electromagnetic (conductive liquids) |
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| DIRTY LIQUIDS |
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| Euromag Electromagnetic (conductive liquids) |
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| FLUIDS IN HAZARDOUS AREAS |
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| Pelton Wheel EEx ia IIc T5 Intrinsically Safe for liquids |
| Helical Screw EEx ia IIc T5 Intrinsically Safe for liquids |
| Rotary EEx ia IIcc T4 Intrinsically Safe for liquids |
| Thermal Mass Gas Meters - explosion-proof CENELEC EEx d IIc T6-T2 |
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| AGGRESSIVE LIQUIDS |
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| Pelton Wheel Meters in All-plastic - PFA (Teflon), PVDF, PP or PVC with sapphire bearings |
| Euromag Electromagnetic Flowmeters with chemically resisitant liners and electrodes in titanium, tantalum, platinum or hastelloy (conductive liquids) |
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| HIGH PURITY FLUIDS |
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| Pelton Wheel Turbine Flowmeters in All-plastic - PFA (Teflon) with sapphire bearings for liquids |
| Sierra Thermal Mass Gas Flowmeters type UHP - Ultra High purity |
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| STEAM |
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| Sierra 'Innova-Flow' and 'innova-Mass' Vortex Meters |
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| GASES |
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| Sierra Small Thermal Mass Gas Flowmeters and Flow Controllers 0-10 SCCM to 0-500 SLM |
| Sierra Thermal Mass Meters with bodies to 8" (200mm) |
| Sierra Insertion Thermal Mass Gas Flowmeters for pipes, ducts and stack emissions |
| Ultra High Purity and Hazardous Area versions available |
| 'Innova-Mass' Vortex meters for High pressures |
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| HIGH PRESSURE FLUIDS |
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| Pelton Wheel, Helical Screw and Rotary Meters for pressures up to 2068 bar including Intrinsically Safe for Hazardous Areas (developed for off-shore industry) |
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| FOODSTUFFS |
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| Euromag Electromagnetic Flowmeters (conductive liquids) |
| Pelton Wheel (turbine type) |
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| NON-INVASIVE FLOWMETERS |
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| Where it is desirable that a meter should be mounted externally on the pipeline, an ultrasonic flowmeter can often be employed. It can be used for line sizes from 6.5mm to 6.5m bore. It is cost-effective for large bore installations and it is also portable |
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| LOW-COST - LOWER ACCURACY METERS |
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| Variable Area meters for liquids and gases offer visual flowrate, alarm and analogue output. You can download pages from the Hedland brochure through our Technical Data facility |
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| INSTRUMENTATION |
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| Comprehensive range of instruments supports all flowmeters |
| Functions provided: Rate, Total and Batch within standard or explosive atmospheres |
| Outputs provided: Analogue, Pulse, Flow Alarm, RS232 and RS485 |
| Suitable for industrial, hazardous area and adverse environments |
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| FLOWMETER SELECTION MATRIX |
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| Meter |
Pelton
Wheel
|
Positive
Displace-
ment
|
Electro-
mag
|
Ultra-
sonic
|
Vortex
|
Thermal
Mass
Gas
|
Differen-
tial
Pressure
|
|
|
Conductive Liquids viscous
|
POA
|
|
|
|
|
POA |
|
|
Conductive Liquids non viscous
|
|
|
|
|
|
POA |
|
|
Non-conductive Liquids viscous
|
POA |
|
POA |
|
|
POA |
|
|
Non-conductive Liquids non viscous
|
|
|
POA |
|
|
POA |
|
|
Gas
|
POA |
POA |
POA |
POA |
|
|
|
|
Steam
|
POA |
POA |
POA |
POA |
|
POA |
|
|
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