Thermometers

Image Part Number Description / PDF Quantity Rfq
TPI 377

TPI 377

TPI (Test Products International)

METER TEMP GUN LSR 0-1832DEG F

0

108A TOW-MA1

108A TOW-MA1

Glas-Col, LLC

VAPOR TEMPERATURE MONITOR

1

343C2

343C2

TPI (Test Products International)

THERM DIG W/DUAL K-TYPE PROBE

1214

IRT350-NIST

IRT350-NIST

Triplett Test Equipment and Tools

IRT220 IR THERMOMETER WITH CERTI

10

EL-MOTE-DTP+

EL-MOTE-DTP+

Lascar Electronics

DATA LOG HIGH ACCY TEMP

10

911B

911B

Tegam

THERMOMETER SINGLE INPUT

10

R2222-NIST

R2222-NIST

REED Instruments

DIGITAL STEM THERMOMETER W/CERT

0

317C

317C

TPI (Test Products International)

THERM POCKET STYLE W/AIR TIP

779

EL-USB-1-PRO

EL-USB-1-PRO

Lascar Electronics

DATA LOG INDUSTRIAL TEMP W/USB

0

IRT220-NIST

IRT220-NIST

Triplett Test Equipment and Tools

12:1 INFRARED THERMOMETER W/CERT

2

EL-USB-1-RCG

EL-USB-1-RCG

Lascar Electronics

DATA LOG RECHARGE TEMP W/USB

7

R2400-NIST

R2400-NIST

REED Instruments

TYPE K THERMOCOUPLE THERMOMETER

0

EL-USB-1-LCD

EL-USB-1-LCD

Lascar Electronics

DATA LOG TEMP WITH USB AND DISP

39

FLUKE-61

FLUKE-61

Fluke Electronics

THERMOMETER IR

3

TMD-53

TMD-53

Amprobe

THERMOCOUPLE THERMOMETER K/J

7

323

323

TPI (Test Products International)

THERM POCKET STYLE WTR RESIS CHS

195

R2450SD-NIST

R2450SD-NIST

REED Instruments

DATA LOGGING THERMOMETER W/CERT

0

IR-750

IR-750

Amprobe

IR 50:1 THERMOMETER

4

FLUKE-568EX/ETL

FLUKE-568EX/ETL

Fluke Electronics

INTRINSIC SAFE IR THERM

1

401014

401014

FLIR Extech

BIG DIGIT INDOOR/OUTDOOR THERMOM

11

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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