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COMPANY PROFILE
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NTC THERMISTOR AND TEMPERATURE PROBE
MANUFACTURER WITH HEADQUARTERS LOCATED
IN LUBLIN, POLAND.
MORE THAN 50 YEARS EXPERIENCE IN DESIGNING,
MANUFACTURING AND SELLING HIGH PRECISION
NTC THERMISTORS AND CUSTOMISED TEMPERATURE
SENSORS
ISO 9001:2008 CERTIFIED FACTORIES
ROHS2 & REACH AND OTHER RECENT EU
REGULATIONS COMPLIANT
PROFESSIONAL ENGINEERING SERVICE FOR
SENSORS AND APPLICATION DESIGN
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1994 – COMPANY PRIVATIZATION
1964 – LABORATORY FOR DESIGNING NTC THERMISTORS ESTABLISHED
BY POLISH ACADEMY OF SCIENCE
1981 – TEWA BECAME ONE OF TWO NTC THERMISTOR SUPPLIERS FOR
SOVIET MILITARY AND AEROSPACE PROGRAMS
1970s – TEWA ESTABLISHED AS A PART OF SEMICONDUCTOR GROUP
‚UNITRA CEMI’
1985 – PRODUCTION VOLUME 17,000,000 NTCs AND COMPLETE
SENSORS per year
TEWA TERMICO LTD
1997 – TEWA-TERMICO BECAME THE MAIN CONTRACT
MANUFACTURER FOR A MARKET LEADER - THE US/IRISH COMPANY
BETATHERM
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2006 – CLOSING THE COOPERATION WITH BETATHERM (Betatherm bought by MEAS now TE)
2001 – PRODUCTION EXCEEDS 20,000,000 pcs
of NTCs, and ASSEMBLIES PER YEAR AND 250 EMPLOYEES
1997-2006 – TRANSFER OF MAJORITY OF PRODUCTION OF BETATHERM TO TEWA
2006-2008 – SETTING UP SALES NETWORK IN MOST OF EUROPEAN COUNTRIES AND ASIA
2008 – PRODUCTION OF NTC THERMISTORS WAS STARTED IN CHINA
2009 – TEWA-OWB SENSOR PRODUCTION WAS ESTABLISHED IN CHENGDU, CHINA
2013– TEWA-GRT SENSOR (JOINT VENTURE) WAS ESTABLISHED IN MIANYANG, CHINA
2015– TEWA SENSORS LLC – ESTABLISHED IN THE SALT LAKE CITY AREA TO SERVE
NORTH AND SOUTH AMERICA
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Total employment – 180 people Engineering staff with many years expierence in electronics, sensor and thermistor
processes
TEWA TERMICO LTD
LECZNA, POLAND
• HISTORICAL LOCATION
• NTC THERMISTOR CERAMICS
R&D AND MANUFACTURING
• HIGH PRECISION THERMISTOR ASSEMBLY
• THERMISTOR RELIABILITY TESTING
LABORATORY
• R&D, QUALITY, WAREHOUSE
• STAFF: 40
TEG
TEWA ELECTRONICS GROUP
TEWA TEMPERATURE
SENSORS LTD,
LUBLIN, POLAND
TEWA GRT SENSORS
MIANYANG, CHINA
• HEADQUARTERS
• TEMPERATURE SENSOR DESIGN AND
MANUFACTURING
• RELIABILITY TESTING LABORATORY
• LOGISTICS, SALES, QUALITY,
R&D, PURCHASING, MARKETING, ENGINEERING
• STAFF: 75
• JOINT VENTURE BETWEEN TEWA SENSORS AND
CHINESE PARTNER
• NTC THERMISTOR ASSEMBLY
• OVERMOULDED SENSORS R&D
AND PRODUCTION LINE
• TEMPERATURE SENSORS ASSEMBLY LINE
• CABLE HARNESSES PRODUCTION LINE
• R&D, SALES (DOMESTIC), QUALITY,
LOGITICS, ENGINEERING
• STAFF: 65
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QUALITY DEPARTMENT
GENERAL INFO
Eight (8) main
processes in Tewa:
Research Development
Planning
Purchasing
Manufacturing
Analysis and Improvement
Human Resources
Control Equipment
Customer Service
PROCESSES ARE CONTROLLED
AND CONSTANTLY IMPROVED
BY ‘PROCESS OWNERS’
ISO 9001:2008 CERTIFICATION BY POLISH CENTER
OF TESTING AND CERTIFICATION
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THERMISTOR MANUFACTURING CAPABILITIES
IN-HOUSE DEVELOPED AND CONTROLLED, PROCESS OF MANUFACTURING NTC
THERMISTOR CERAMICS
WIDE RANGE OF CUSTOMISED R/T CURVES
ABILITY TO DESIGN R/T CURVES MEETING CUSTOMER’S
REQUIREMENTS
FLEXIBILITY IN ADJUSTING RESISTANCE VALUES DEPENDING ON
APPLICATION REQUIREMENT
EXCEPTIONAL STABILITY AND RELIABILITY OF CERAMICS
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PRODUCT INTRODUCTION
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FACTS AND FEATURES
- Old, historical applications
- Proven Stability and Reliability
- Designed for temperature measurement,
control and compensation
- Available as bare discs or with insulated/non
insulated leads
- Voltage insulation provided by epoxy resin
- Normally big thermal mass and long response time
- Resistance tolerance down to ±5%
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FACTS AND FEATURES
- Glass encapsulation provides extra
moisture protection and stability
- Available with dummet wire with
or without polyimide tubes insulation
or with welded teflon extension wires
- Available in custom probe assemblies
- Long glass body, up to 50mm
- Typical resistance tolerance
between ±5% and ±10%
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FACTS AND FEATURES:
- Available with ±1% point matched tolerance
at custom temperature points
- Customized RT characteristics are available
- Excellent price/quality ratio
- Dumet leads coated with tin or nickel are suitable
for soldering or welding
- Very good stability and reliability at high temperatures
- Bulk or tape packaging available
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FACTS AND FEATURES:
- Curve matched characteristics, down to
±0.1°C tolerance between 0°C and 70°C
- Custom bead size and wire configuration
- Tight resistance and Beta Value tolerance
- Excellent stability and reliability
- Wide range of RT curves and resistance
values available
- Operating temperature range between
-40°C to 150°C
- TS16949 factory certification
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FACTS AND FEATURES:
- Cost effective solution compared with
interchangeable TT3 thermistors
- Point matched characteristics up to ±0.5%
at defined temperature point
- Custom epoxy bead sizes and wire configuration
including ultra-thin PU-insulated wires
- Fast Response Time, typically 1s in well stirred liquid
- Very good stability and reliability
- Very good price/quality ratio
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FACTS AND FEATURES:
- Small size down to 0.5mm diameter
- Fast Response Time down to 200ms
in well stirred liquid
- Fully compliant with YSI400 Medical Probes
- Point or Curve matched characteristics
- Custom size tube and wire configuration
- Tight resistance and Beta Value tolerance
- Excellent stability and reliability
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FACTS AND FEATURES:
- Small thickness down to 0.55mm
- Available with custom kapton film
lengths
- Excellent price/quality ratio
- Point Matched Characteristics down to
±0.5% at 25°C
- Wide range of Resistance and Beta Values
- Operating temperature range:
from -40°C to 125°C
- Frequently used for heat cost
allocators or fire detectors
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FACTS AND FEATURES:
- Industry Standard Resistance and Beta
Values
- Cost effective
- Point Matched Characteristics down to ±0.5%
- Very good endurance against thermal shock
and moisture due to powder coating
- Operating temperature range:
from -40°C to 125°C
- Tape and Reel/BOX Packaging
Available
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FACTS AND FEATURES:
- High accuracy down to ±0.5% at 25C
for specific types and RT curves
- Available in 0402, 0603,0805 sizes
- Industry standard range of beta constant
and resistance values
- Available in tape and reel configuration
- Cost Effective
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FACTS AND FEATURES:
- Custom size and wire configuration
- Standard resistance values, according to
DIN44081 and DIN44082
- Available with Kynar insulating tubes or
epoxy coated beads only
- Single, double, triple or more PTC sensors
available in one harness
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FACTS AND FEATURES:
- Operating Temperature Range between
-40°C and 550°C
- Available in PT100, PT500, PT1000 industry
standard characteristics
- Very good long term stability and reliability
also at high temperatures
- Very good resistance against shock and
vibration
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TEMPERATURE SENSORS
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Tewa Temperature Sensors offers wide
range of standard and customized
temperature sensors designed
according to individual customer's
requirements covering applications in
temperature range between
-80°C and +800°C.
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FACTS AND FEATURES:
• Provide best possible protection against the environment conditions
• Proven stability and reliability for new designs by internal laboratory testing
• Variety of metal and plastic housings for different mounting arrangments
• Potted with different kinds of resin for good sensor protection
• Wide range of Sensing Elements:NTC, RTD, KTY, Dallas 1-wire, LM335, others
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FACTS AND FEATURES:
- Available with special kinds of cables, connectors, assembled in harnesses
- Customized solutions for small quantities
- Quick sample delivey
- Cost effective solutions for small, medium and large projects
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TT-O series sensors are IP68 waterproof
temperature probes encapsulated with
thermoplastic elastomer materials using
overmoulding technology.
The TT-O overmoulded probes are a
perfect solution for applications
where the best waterproof /
moisture protection is required.
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FACTS AND FEATURES:
- Excellent insulation against moisture
- Degree of waterproof protection IP68
- NTC and PTC thermistors, Pt100/PT1000 versions are available
- Overmoulded tip sizes 5x20mm, 6x50mm custom sizes are available
- Very flexible, standard or rigid cable version available depending on mounting arrangment
- Available with steel cap for better mechanical protection
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TYPICAL APPLICATIONS:
- Refrigeration (evaporator)
- Vending machines, Chilled cabinets
- Air Conditioning
- Underfloor heating
- Climate control systems
- Industral Process control
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TEMPERATURE
SENSOR
APPLICATIONS
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CONTACT INFORMATION AND LOCATIONS
Tel. 00 48 81 532 10 79
Fax. 00 48 81 534 79 64
website: www.tewa-sensors.com
email: [email protected]
Przeskok 18
20-403 Lublin
Poland
TEWA Sensors LLC
1632 W. Silver Springs Rd.
Park City, Utah 84098
Tel. 435-200-9550
website: www.tewa-sensors.com
Email: [email protected]
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Knowledge, Quality, Service