Thermometers

Image Part Number Description / PDF Quantity Rfq
R2000

R2000

REED Instruments

DIGITAL STEM THERMOMETER

1715

R2300

R2300

REED Instruments

IR THERMOMETER, 12:1, 752F

654

R2400

R2400

REED Instruments

TYPE K THERMOCOUPLE THERMOMETER

108

R2222

R2222

REED Instruments

DIGITAL STEM THERMOMETER

0

R2320-NIST

R2320-NIST

REED Instruments

IR THERMOMETER, 30:1, 1472F W/CE

0

R2330-NIST

R2330-NIST

REED Instruments

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

0

FS-200

FS-200

REED Instruments

FOOD SERVICE IR THERMOMETER

38

R2020

R2020

REED Instruments

VIDEO INFRARED THERMOMETER

34

R2000-NIST

R2000-NIST

REED Instruments

DIGITAL STEM THERMOMETER W/CERT

0

R2450SD

R2450SD

REED Instruments

DATA LOGGING THERMOMETER

88

R2310

R2310

REED Instruments

IR THERMOMETER, 12:1, 1202F

692

FS-200-NIST

FS-200-NIST

REED Instruments

FOOD SERVICE IR THERMOMETER W/CE

0

R2330

R2330

REED Instruments

IR THERMOMETER, 50:1, 2282F

431

R2020-NIST

R2020-NIST

REED Instruments

VIDEO INFRARED THERMOMETER W/CER

0

R2300-NIST

R2300-NIST

REED Instruments

IR THERMOMETER, 12:1, 752F W/CER

0

R2320

R2320

REED Instruments

IR THERMOMETER, 30:1, 1472F

473

C-370

C-370

REED Instruments

RTD THERMOMETER

18

R2222-NIST

R2222-NIST

REED Instruments

DIGITAL STEM THERMOMETER W/CERT

0

R2400-NIST

R2400-NIST

REED Instruments

TYPE K THERMOCOUPLE THERMOMETER

0

R2450SD-NIST

R2450SD-NIST

REED Instruments

DATA LOGGING THERMOMETER W/CERT

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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