This presentation provides a general overview of Servoflo Corporation. Located in Massachusetts, Servoflo is a premier provider of pressure sensors, humidity sensors, sensor signal conditioning, LED drivers and power management IC's. Servicing North & South America, Servoflo offers complete sensing solutions for design engineers in many industries, including medical, automotive, HVAC, electronics, instrumentation and much more.
2. Servoflo is a stocking distributor providing technical and
logistic services for:
Pressure sensors
Pressure transducers/transmitters
Signal conditioning IC’s
Humidity sensors
LED drivers
Power management IC’s
Typical applications include medical, industrial/HVAC,
p pp , ,
consumer, process control, and automotive
Over 20 years experience working with engineers to find
solutions to design challenges
www.servoflo.com
3. About Servoflo
David Ezekiel, VP Sales: david@servoflo.com
Neal Thomas, Sales & Applications: neal@servoflo.com
Consultative S l Process: Understand application and
C lt ti Sales P U d t d li ti d
suggest part which best meets price/performance targets
Di t ib t Services: S
Distributor S i Samples, stock, blanket orders,
l t k bl k t d
technical support
A li ti Support: Direct or via factory
Application S t Di t i f t
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4. Our Guiding Business Principles
Guide the customer through this spectrum in a supportive, consultative manner
Modified
High End
Custom
Amplified
p
(digital)
Amplified
ce
Pric
(analog)
( l )
Modified Unamplified Uncalibrated
Low End
Special
Uncompensated
Die
Performance (accuracy)
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5. Pressure Product Summary
Air pressure sensors
Uncalibrated, uncompensated, unamplified
Uncalibrated,
Calibrated, compensated, unamplified
Calibrated compensated amplified
Calibrated, compensated,
with analog or digital outputs
Liquid pressure sensors
Elements
Transmitters
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6. Pressure Products
Uncalibrated, uncompensated unamplified
Uncalibrated, uncompensated,
Printed Circuit Mount Pressure Sensors & Transducers
0.15 to 300 psi; air and non-corrosive gases; some inert liquids
non-
Low cost: Uncalibrated, uncompensated, unamplified
Uncalibrated,
Pressure die available with minimum order quantities
Gauge (SMT) Gauge
g Differential Absolute
(DIP) (SMT)
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7. Pressure Products
Uncalibrated, uncompensated unamplified
Uncalibrated, uncompensated,
Volume costs range from $2 to $6 per unit
Requires additional calibration and/or temperature compensation
Non-corrosive media only
Non-
Direct manifold mount possible
Accuracy depends on calibration strategy
Can be used with our sensor signal conditioning IC’s if in-house
in-
equipment is available
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8. Pressure Products
calibrated compensated unamplified
calibrated, compensated,
Printed Circuit Mount Pressure Sensors & Transducers
0.15 to 1.5 psi; air and non-corrosive gases
non-
Low Cost: Calibrated, compensated, unamplified
Gauge or Differential
(
(DIP))
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9. Pressure Products
calibrated compensated amplified
calibrated, compensated,
Printed Circuit Mount Pressure Sensors/Transducers
± 0.05” H2O to 225 psi; air and non-corrosive gases; some inert liquids
non-
Calibrated, Compensated, Amplified (Digital & Analog)
Gauge Gauge
g Differential
Absolute
(surface mount)
( f ) (DIP) (SMT also
available)
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10. Pressure Products
calibrated compensated amplified
calibrated, compensated,
Volume costs range from $4 to $12 per unit
Additional calibration will depend on target specification
Non-corrosive media mostly
Non-
Direct manifold mount possible
Component selection based on price/performance targets
price/performance
Goal: Minimize space usage and labor content
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11. Pressure Products
calibrated compensated amplified - DIGITAL
calibrated, compensated,
I2C, SPI & Other Digital Pressure Sensors
, g
± 0.5” H2O to 300 psi; air and non-corrosive gases
non-
Calibrated, Compensated, Amplified
Differential or Absolute
Absolute, DIP
Ab l Miniature
Mi i Gauge or Differential
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12. Pressure Products
calibrated compensated amplified - DIGITAL
calibrated, compensated,
Volume costs range from $5 to $16 per unit
Additional calibration will depend on target specification
Non-corrosive media mostly
Non-
Direct manifold mount possible
Component selection based on price/performance targets
price/performance
Goal: Minimize space usage component count and labor content
usage,
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13. Pressure Products
Ultra Low pressure
Ultra Low Pressure Sensors/Transmitters
0.1” to 5” H2O; air and non-corrosive gases
non-
Amplified, Calibrated and Compensated
Digital or Analog Output
g g p
Differential or Gauge
Ultra-sensitive, flow Analog/I2C
g
Capacitive Digital I2C
C,
through technology
h h h l
Technology Piezoresistive
w w w. s e r vo f l o. c o m
14. Pressure Products
Harsh & liquid applications
Media Compatible Sensors & Transducers
1 psi to 100 mPa
Ceramic pressure sensor elements to fully packaged models
Differential or Gauge
Unamplified & Amplified & Packaged Stainless steel
uncalibrated calibrated
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15. Pressure Products
Harsh & liquid applications
Direct contact with li id or corrosive media
Di t t t ith liquid i di
High burst pressure and overpressure
Excellent performance under changing temperature
environment
Potential for direct manifold mount
Fully housed transducers are available
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16. Humidity Elements & Sensors
New! I2C Humidity & Sensing elements using capacitive
Temperature Element, state-of-the-
p , state-of-the- p y
polymer
art, calibrated, plug and play.
Dew point sensors
Complete transmitters with I2C
p
communication and ratiometric
voltage output
www.servoflo.com
17. I2C Digital humidity Elements
HYT 221 HYT 271 HYT 939
5 x 7 mm size 5 x 10 mm size Hermetically sealed
±1.8% rH accuracy ±1.8% rH accuracy TO-
TO-39 housing
Splash-
Splash-proof housing Splash-
Splash-proof housing For compressed air
F d i
$12.66 at 1000 pieces $13.60 at 1000 pieces systems
$21.30 at 1000 pieces
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18. Signal Conditioning IC’s
Optimized for bridge sensing
p g g
Piezo-
Piezo-resistive
Ceramic thick-film
thick-
Metal thin-f l
l thin-film
h
Strain-
Strain-gauge
Magneto-
Magneto-resistive
Capacitive
Adjustable gain values: varies with model
ADC: 12 – 16 bit
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19. Signal Conditioning IC’s
Temp range: -40°C to 150°C varies with model
p g 40° 150°
Supply Voltage: 2.7 to 5.5 varies with model
Evaluation kits & technical support available
Output
Ratiometric
Zacwire™
Zacwire™
I2C/SPI
PWM
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21. Signal Conditioning IC’s
Requires calibration equipment and capability
q q p p y
Allow for optimal sensor performance to meet specific
requirements
q
Normally high volumes required for payback
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22. LED Drivers
LED Drivers
95% efficiency, low start-up voltage
start-
and small footprint.
A low power supply simplifies
lighting designs and creates less
heat.
h
5 models currently available
LED backlighting
Low-voltage industrial applications
Low- g pp
Hand held product illumination
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23. Power management IC’s
Power management IC’s are
integrated circuits for managing
power consumption. These DC-DC-
to-
to
t -DC converter chips allow
t hi ll
you to adjust the supply voltage
to your process to maximize
energy efficiency.
efficiency.
ffi i
See all models
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24. Applications
Medical
Standard products
Modified products
Customized products
All pressure ranges
Consumer
Low cost standard products
V l -priced modified
Value-
Value i d difi d
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25. Applications
HVAC/Environmental
Wide range of price-performance for low pressure
price-
Humidity measurement
y
Media-compatible sensors
Media-
Industrial
Standard products
Media compatibility
All pressure ranges
Housing available on request
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26. Applications
Automotive
Leak testing
Seat comfort systems
y
Tire pressure
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27. Contact Information
How may we help you?
Tel: 781-862-9572 or 866-830-9572 (US only)
781-862- 866-830-
Fax: 781-862-9244
781-862-
Web site: www.servoflo.com
Email: info@servoflo.com
Bl
Blog: bl
blog.servoflo.com
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o ow o :
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