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COMPANY PROFILE


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


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


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


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


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


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


PRODUCT INTRODUCTION


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%


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%


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


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


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


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


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


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


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


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


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


TEMPERATURE SENSORS


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.


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


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


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.


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


TYPICAL APPLICATIONS:

- Refrigeration (evaporator)

- Vending machines, Chilled cabinets

- Air Conditioning

- Underfloor heating

- Climate control systems

- Industral Process control


TEMPERATURE

SENSOR

APPLICATIONS

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]

http://www.tewa-sensors.com/


Knowledge, Quality, Service

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