Thermometers

Image Part Number Description / PDF Quantity Rfq
TPI 371

TPI 371

TPI (Test Products International)

METER TEMP IR LASER 14-500 DEGF

0

IR200

IR200

FLIR Extech

THERMOMETER IR BODY & SURFACE

49

RHT45-NIST

RHT45-NIST

Triplett Test Equipment and Tools

RHT45 DIGITAL PSYCHROMETER WITH

10

EL-21CFR-1-LCD

EL-21CFR-1-LCD

Lascar Electronics

DATA LOG TEMP WITH DISPLAY

7

945A

945A

Tegam

HANDHELD TEMPERATURE CALIBRATORS

9

EL-WIFI-TH

EL-WIFI-TH

Lascar Electronics

DATA LOG TEMP AND HUM WIFI

6

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

EL-USB-TP-LCD+

EL-USB-TP-LCD+

Lascar Electronics

DATA LOG HIGH ACCY THERMISTOR

3

1551A-12-DL

1551A-12-DL

Fluke Electronics

THERMOMETER RTD -50 TO 160C 1/4X

0

FLUKE-63

FLUKE-63

Fluke Electronics

THERMOMETER IR -25 TO 999F

1

FLUKE-54-2 B 60HZ

FLUKE-54-2 B 60HZ

Fluke Electronics

THERMTR CONTCT DUAL INP W/RECRD

12

R2330-NIST

R2330-NIST

REED Instruments

IR THERMOMETER, 50:1, 2282F W/CE

0

42545

42545

FLIR Extech

THERMOMETER, INFRARED HEAVY DUTY

0

EL-21CFR-TP-LCD+

EL-21CFR-TP-LCD+

Lascar Electronics

DATA LOG USB HIGH ACCY

9

TG54

TG54

FLIR

FLIR SPOT IR THERMOMETER 24:1

7

EL-USB-TP-LCD

EL-USB-TP-LCD

Lascar Electronics

DATA LOG USB TEMP

37

EL-SGD43-ATP

EL-SGD43-ATP

Lascar Electronics

DATA LOG PNL MNT FOUR-CHAN TEMP

3

FS-200

FS-200

REED Instruments

FOOD SERVICE IR THERMOMETER

38

IR267

IR267

FLIR Extech

THERMOMETER IR MINI W/TYPE K

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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