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Q & A on Pressure Sensors

We asked our users for their input on Pressure Sensors. Here are the results of 70 users familiar with Pressure Sensors.

Who Took Our Poll? | Design Trends | Applications and Use | Features | Buying Advice

Who Took Our Poll?Top

Design TrendsTop

Q:
What new technologies are influencing pressure sensor design?
9 answers
Answers:
The 4-20mA output design is helping a lot. It makes zero/span setting much smoother.
~Technical Support/Services, North Chicago, IL
Gibrid system - chip sensor + chip microcontroller(high resolution ADC included)
~Tymur K, Design Engineer, Saint-Petersburg, ??????
Micro sizes, electronic accuracy, programming functions
~YT Lim, Research & Development, Kuala Lumpur, Malaysia
Metal membrane and inductive sensing
~Engineering, Design, Bucharest, Romania
None they all use old designs
~Engineering, Design, Solna, Sweden
On site Calibration
~Engineering, Design, Mumbai, India
Ceramic disc
~Brian H, Process Engineer, Muswellbrook, NSW Australia
Thin film
~Bob B, Engineer, Mobile, AL
MEMs
~Engineering, Other, New Orleans, LA

Q:
From your perspective, which companies are creating the most innovative pressure sensors?
11 answers
Answers:
Today very few have presented new ideas or innovation regarding the core technology still the main technology for pressure measurement is based on silicone piezoresistive technology.
~Marketing/Sales, Stockholm, Sweden
I think only one type new created last 20 year- amorph silica membrane tenzoresistor. I met this type for the first time via Motorolla/Freescale creature.
~Tymur K, Design Engineer, Saint-Petersburg, ??????
Robustness, temperature compensation, internal amplification and filtering are more important than innovation. Wheatstone bridge is fine.
~Engineering, Other, New Orleans, LA
MKS brand and its technology is making my work in maintaining/calibrating instruments less complicated.
~Technical Support/Services, North Chicago, IL
Yet to know,...Beluff (spelling?)
~YT Lim, Research & Development, Kuala Lumpur, Malaysia
Not up on the market today
~Bob B, Engineer, Mobile, AL
Honeywell
~Engineering, Design, Bucharest, Romania
Freescale
~Csaba R, Design Engineer, Bergich Gladbach, Germany
Emerson,
~Brian H, Process Engineer, Muswellbrook, NSW Australia
Mensor
~Engineering, Design, Ottawa, Canada
Brime
~Engineering, Design, Mumbai, India

Applications and UseTop

Q:
What are some of the applications you have used pressure sensors for?
21 answers
Answers:
Engine test for R&D and production. Measuring fuel, coolant, hydraulic loading, manifold air, lubrication, ambient air, cooling water and environment (90K altitude testing). Hydraulics and coolants for production machining operations.
~Bob B, Engineer, Mobile, AL
Measuring explosion pressures to aid design of new propellants Measuring burn rates of degraded explosives
~Research & Development, Cambridge, United Kingdom
Injection/blow molding presses,Transfer or holding tanks, CIP systems and Lyophilizer units.
~Technical Support/Services, North Chicago, IL
Data logging, flow measurements, head loss across porous media bed, tank water level
~Engineering, Other, New Orleans, LA
Absolute and vacuum gauges, closed vessels, pipe, atmospheric, vacuum chambers
~Process Engineer, Orangeburg, NY
For sensing in filters of cotton blowrooms and for material level control.
~ABDUL SAMAD N, Facilities Manager, KARACHI, PAKISTAN
Aircraft, automotive, human studies, buildings, bridges, power cables
~Engineering, Design, Ottawa, Canada
Absolute thermometry, flow metering, thermal energy flow metering
~Tymur K, Design Engineer, Saint-Petersburg, ??????
Sound transducers and air pressure sensors for rocket launchers
~Technical Support/Services, Newcastle, Great Britain
Level measurement, food beverage, train (brake system).
~Marketing/Sales, Stockholm, Sweden
Inline fluid, storaged compressed air, storaged fluid
~YT Lim, Research & Development, Kuala Lumpur, Malaysia
Ambient pressure sensor for flight test recorder.
~Csaba R, Design Engineer, Bergich Gladbach, Germany
Measuring steampressure in steam sterilizers
~Engineering, Consulting, Tessenderlo, Belgium
Air flow measure, fan operation verification
~Engineering, Design, Newington, CT
Level, density, flow and of cause pressure.
~Brian H, Process Engineer, Muswellbrook, NSW Australia
Level measuring, water, air, oil pressure.
~Engineering, Design, Turrucares, Costa Rica
Pressure tests in Hydrostatic
~Engineering, Consulting, Reggio Emilia, Italy
Hydraulic pressure sensors
~Technical Support/Services, Peoria, IL
Room Pressure Control
~Engineering, Design, Mumbai, India
Industrial
~Engineering, Design, Bucharest, Romania
Ventilator
~Engineering, Design, Solna, Sweden

Q:
Please share with us any “non-standard” applications that pressure sensors have been used for.
5 answers
Answers:
Crystalliser sump pressure, absolute pressure measurement to take into account atmospheric pressure.
~Brian H, Process Engineer, Muswellbrook, NSW Australia
Traffic sign for airport runway, air flow through a pig barn
~Engineering, Design, Ottawa, Canada
Probably also to test load/weight/force/impact/speed?....
~YT Lim, Research & Development, Kuala Lumpur, Malaysia
Rochet engine combustion camber pressure measurement
~Engineering, Design, Bucharest, Romania
Sorry, but It is a secret of my future work
~Tymur K, Design Engineer, Saint-Petersburg, ??????

Q:
Do you know of any disastrous mistakes that occurred due to the incorrect usage of pressure sensors?
4 answers
Answers:
The main problem - high vacuum sealing, diffusion through the sensitive part of sensor, and hardness to the matter.
~Tymur K, Design Engineer, Saint-Petersburg, ??????
Pressure vessel explosion by faulty sensors, damages caused by faulty sensors; faulty/defective product
~YT Lim, Research & Development, Kuala Lumpur, Malaysia
We had interfacing and calibration problem
~Csaba R, Design Engineer, Bergich Gladbach, Germany
Hydraulic power unit fail
~Engineering, Design, Turrucares, Costa Rica

FeaturesTop

Q:
What would your design or feature "wish list" be for this product?
10 answers
Answers:
I'd like obtain the perfect sensor - noncorrosive by matter, include liquid, small dead volume, thermal compensated in wide range, and with regulations of pressure range and sensitivity for analog output and high resolution ADC
~Tymur K, Design Engineer, Saint-Petersburg, ??????
High stability, today we need several different pressure sensor (thickness on die) to cover pressure range from 70 mbar to 600 bar.
~Marketing/Sales, Stockholm, Sweden
Easy (SPI) interfacing, IND Temp range, 3.3V operation, Altitude air pressure measurement range.
~Csaba R, Design Engineer, Bergich Gladbach, Germany
Easy to configure, built into a controller, digital I/O, analog I/O, data logging
~Process Engineer, Orangeburg, NY
Accuracy, programmability, easy installation, reliability & cost effective
~YT Lim, Research & Development, Kuala Lumpur, Malaysia
Affordable, percentage error of reading not range (Span).
~Brian H, Process Engineer, Muswellbrook, NSW Australia
1 inH20 0.05% of reading, analog out bandwidth 100 Hz
~Engineering, Design, Ottawa, Canada
Accuracy, durability, repeatability, cost, size
~Bob B, Engineer, Mobile, AL
Resistant to corrosion and high temperature
~Engineering, Design, Bucharest, Romania
Never failing and accurate control
~ABDUL SAMAD N, Facilities Manager, KARACHI, PAKISTAN

Q:
Is there any advice you want to share with users to help them avoid common errors in selection or usage of pressure sensors?
5 answers
Answers:
Take care when using pressure transmitter for vessel pressures, take into count absolute pressure.
~Brian H, Process Engineer, Muswellbrook, NSW Australia
Select the right working range or have gross (range) and precise sensors for cross checks...
~YT Lim, Research & Development, Kuala Lumpur, Malaysia
Do not be fooled by extremely low cost sensors. You get what you pay for.
~Bob B, Engineer, Mobile, AL
Read carefully the datasheet.
~Tymur K, Design Engineer, Saint-Petersburg, ??????
Calibration problem
~Csaba R, Design Engineer, Bergich Gladbach, Germany

Buying AdviceTop

Q:
Do you have any advice for people relative to buying or using pressure sensors?
5 answers
Answers:
Know your requirements. Study the advertised parameters and determine which are important to your application.
~Bob B, Engineer, Mobile, AL
For the 1-st it's need limit matter type you will use, pressure range, resolution
~Tymur K, Design Engineer, Saint-Petersburg, ??????
Select the best if pressure is an important component indicator.
~YT Lim, Research & Development, Kuala Lumpur, Malaysia
Beware of cost variations in similar equipment.
~Engineering, Other, New Orleans, LA
Look at quality for important processes.
~Brian H, Process Engineer, Muswellbrook, NSW Australia


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