Thermometers

Image Part Number Description / PDF Quantity Rfq
EL-WIFI-21CFR-T+

EL-WIFI-21CFR-T+

Lascar Electronics

DATA LOG WIFI HIGH ACCY TEMP

5

RHDL40

RHDL40

Triplett Test Equipment and Tools

TEMPERATURE/ HUMIDITY/BAROMETRIC

100

TMD-56

TMD-56

Amprobe

MULTILGGR THERMOM W/USB DOWNLOAD

3

1551A-20

1551A-20

Fluke Electronics

THERMOMETER FIXED RTD -50 TO 160

0

EL-GFX-DTP+

EL-GFX-DTP+

Lascar Electronics

DATA LOG HIGH ACCY DUAL CHAN

4

EL-WIFI-TP

EL-WIFI-TP

Lascar Electronics

DATA LOG TEMP WIFI ENABLED

8

912B

912B

Tegam

THERMOMETER DUAL INPUT

10

EL-SIE-1+

EL-SIE-1+

Lascar Electronics

HIGH ACCURACY TEMP DATA LOGGER

9

901499-00

901499-00

MadgeTech

RHTTEMP101A, COMPACT TEMP/RH DAT

25

900140-00

900140-00

MadgeTech

HI-TEMP140-1, HIGH TEMPERATURE D

20

EL-WIFI-21CFR-DTC

EL-WIFI-21CFR-DTC

Lascar Electronics

DATA LOG DUAL CHAN WITH SENSOR

5

368

368

TPI (Test Products International)

THERMOMETER INFRARED POCKET-SZ

36

TM500

TM500

FLIR Extech

12-CHANNEL DATALOGGING THERMOMET

5

FLK-VT04

FLK-VT04

Fluke Electronics

IR THERMOMETER

0

EL-GFX-1

EL-GFX-1

Lascar Electronics

TEMP LOG WITH SCREEN

5

EL-21CFR-VAC

EL-21CFR-VAC

Lascar Electronics

USB VACCINE MONITORING KIT

0

326

326

TPI (Test Products International)

THERM POCKET STYLE WTR RESIS NDL

94

EL-USB-TC-LCD

EL-USB-TC-LCD

Lascar Electronics

DATA LOG THERMOCOUPLE AND TEMP

13

TPI 370

TPI 370

TPI (Test Products International)

METER TEMP INFRARED W/O LASER

0

N650

N650

Global Specialties

BROAD RANGE INFRARED 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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