Thermometers

Image Part Number Description / PDF Quantity Rfq
TM26

TM26

FLIR Extech

NSF WATERPROOF FOOD THERMOMETER

0

FL62MAX+/T+PRO/1AC

FL62MAX+/T+PRO/1AC

Fluke Electronics

KIT WITH FLUKE-62MAX+/T+PRO/1AC

0

421502-NIST

421502-NIST

FLIR Extech

THERMOMETER W/NIST 421502

0

1529-T-156

1529-T-156

Fluke Electronics

THERMOMETER CHUB-E4 4-TC INPUTS

0

TMD90A

TMD90A

Amprobe

THERMOMETER DUAL DIGITAL

0

EA15-NIST

EA15-NIST

FLIR Extech

THERMOMETER, K, W/NIST EA15

0

1551A-9-DL

1551A-9-DL

Fluke Electronics

THERMOMETER RTD -50 TO 160C 3/16

0

TG56-NIST

TG56-NIST

FLIR

FLIR SPOT IR THERMOMETER WITH TH

0

1529-R-156

1529-R-156

Fluke Electronics

THERMOMETER CHUB-E4 4-PRT/THERMI

0

421502

421502

FLIR Extech

THERMOMETER, DUAL J/K W/PROBES,

0

TG54-NIST

TG54-NIST

FLIR

FLIR SPOT IR THERMOMETER 24:1 WI

0

42515-T-NIST

42515-T-NIST

FLIR Extech

IR THERMOMETER WITH NIST 42515-T

0

1504-156

1504-156

Fluke Electronics

THERMOMETER THERMISTOR 110V 50/6

0

367D

367D

TPI (Test Products International)

WATER PROOF SINGLE IN THERMISTOR

21

316C

316C

TPI (Test Products International)

PKT DIGITAL THERM W/O MAGNETS

1059

1523-CAL

1523-CAL

Fluke Electronics

CALIBRATION NVLAP ACCREDITED

0

TMD-55W

TMD-55W

Amprobe

MULTILGGR THERMOMETER W/DOWNLOAD

0

IR-730

IR-730

Amprobe

IR 30:1 THERMOMETER

0

RTD-10W

RTD-10W

Amprobe

RTD THERMOMETER WIRELESS

0

42512

42512

FLIR Extech

THERMOMETER, IR, 30:1 DUAL LASER

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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