Thermometers

Image Part Number Description / PDF Quantity Rfq
340/C1

340/C1

TPI (Test Products International)

THERM DIG W/SGL K-TYPE PROBE

49

310C

310C

TPI (Test Products International)

METER TEMP DIG POCKET W/REVERSE

10

381F

381F

TPI (Test Products International)

THERMOMETER GUN IR 8:1 W/LASER

40

TPI 372

TPI 372

TPI (Test Products International)

METER TEMP IR LASER -58-500DEG F

0

SP341

SP341

TPI (Test Products International)

K-TYPE THERMOMETER W/BLUETOOTH

15151

381A

381A

TPI (Test Products International)

THERMOMETER GUN IR 8:1 W/LASER

26

TPI 371

TPI 371

TPI (Test Products International)

METER TEMP IR LASER 14-500 DEGF

0

384A

384A

TPI (Test Products International)

THERMOMETER GUN IR 8:1 W/LASER

0

343C1

343C1

TPI (Test Products International)

DUAL INPUT K-TYPE

12

TPI 375

TPI 375

TPI (Test Products International)

METER TEMP GUN LASER 0-950DEG F

0

TPI 373

TPI 373

TPI (Test Products International)

METER TEMP IR LASER 14-950DEG F

0

383A

383A

TPI (Test Products International)

THERMOMETER GUN IR 8:1 W/LASER

0

379

379

TPI (Test Products International)

NON-CONTACT INFRARED FOREHEAD TH

30654

318C

318C

TPI (Test Products International)

THERM POCKET STYLE W/CHISEL TIP

52

368

368

TPI (Test Products International)

THERMOMETER INFRARED POCKET-SZ

36

326

326

TPI (Test Products International)

THERM POCKET STYLE WTR RESIS NDL

94

TPI 370

TPI 370

TPI (Test Products International)

METER TEMP INFRARED W/O LASER

0

319C

319C

TPI (Test Products International)

THERM POCKET STYLE W/CNTCT TIP

1338

343C3

343C3

TPI (Test Products International)

DUAL INPUT K-TYPE

17

306CX

306CX

TPI (Test Products International)

POCKET DIGITAL THERMOMETER

0

Thermometers

1. Overview

Thermometers are precision instruments designed to measure temperature by converting thermal energy into readable signals. As critical components in test and measurement systems, they ensure process control, quality assurance, and safety compliance across industries. Modern thermometers integrate advanced sensor technologies and digital signal processing to achieve high accuracy and reliability in diverse environments.

2. Major Types and Functional Classification

TypeFunctional FeaturesApplication Examples
Glass Liquid ThermometersCapillary-based liquid expansion, visual readoutLab temperature monitoring
Digital ThermometersElectronic sensors with LCD display, fast responseMedical diagnostics
Infrared ThermometersNon-contact IR radiation detectionIndustrial furnace monitoring
ThermocouplesVoltage-based differential temperature measurementHigh-temperature metal processing
Resistance Temperature Detectors (RTD)Precise resistance-temperature correlationAerospace thermal testing
Semiconductor ThermometersIntegrated circuit temperature sensingElectronics thermal management

3. Structure and Components

Typical thermometers consist of: (1) Sensing element (e.g., thermistor, IR detector) for thermal energy conversion; (2) Signal conditioning circuitry for amplification/filtering; (3) Display module (analog/digital); (4) Power source (batteries or external supply); (5) Protective housing with environmental sealing. Advanced models incorporate wireless transmitters and data logging capabilities.

4. Key Technical Specifications

ParameterImportance
Measurement Range (-200 C to +3000 C)Determines application suitability
Accuracy ( 0.1 C to 5 C)Impacts measurement reliability
Response Time (10ms-10s)Critical for dynamic process control
Resolution (0.01 C-1 C)Defines minimum detectable change
Environmental Ratings (IP65-IP69K)Ensures operational durability
Calibration Standards (NIST/ISO17025)Guarantees traceable measurement

5. Application Fields

Primary applications include: Industrial manufacturing (melting furnaces, chemical reactors), Medical diagnostics (patient temperature monitoring), Food safety (cold chain tracking), Environmental monitoring (weather stations), Research laboratories (material thermal testing), Energy production (turbine temperature control).

6. Leading Manufacturers and Products

ManufacturerRepresentative Product
Fluke CorporationFluke 568+ Infrared Thermometer
Omega EngineeringHH806AU Digital Pocket Thermometer
HoneywellST-5 Temperature Transmitter
Keysight TechnologiesU1211L Handheld IR Thermometer
TE ConnectivityAlnor 6250 Combustion Analyzer

7. Selection Recommendations

Selection should consider: Measurement range versus application requirements, required accuracy vs. budget constraints, environmental conditions (vibration, humidity), response time for transient processes, calibration traceability needs, and integration compatibility (wireless vs. wired). For example, select IP67-rated infrared thermometers for outdoor steel processing plants.

8. Industry Trends

Current developments include: Wireless-enabled IoT temperature sensors for real-time monitoring, MEMS-based micro-thermometers for portable devices, AI-enhanced prediction algorithms for drift compensation, multi-sensor fusion systems combining thermal/visual data, and eco-friendly materials reducing environmental impact.

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