Fabrication and Determination of an Aluminium Fixed Point Cell as a Secondary Standard in Thermocouple Calibration

Trisna, Beni Adi; Suherlan,; Achmadi, Aditya; Larassati, Dwi; Zaid, Ghufron

doi:10.1007/s12647-015-0159-8

Cited by 4 publications

(1 citation statement)

References 10 publications

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“…The maximum heat flux density value that can be measured is 50 mW/cm 2 . In this case, the measurement uncertainty does not exceed 5 % [30]- [32]. The measured temperature value should be within the range of 273 to 323 K. The resolution of temperature measurement is 0.01 K. The power source of the device is a rechargeable battery with a voltage of 4.5 V, the time of continuous operation of which reaches 12 hours.…”

Section: Design and Technical Parameters Of Devicementioning

confidence: 99%

Development of a Temperature and Heat Flux Measurement System Based on Microcontroller and its Application in Ophthalmology

Wang

Jiao

Анатычук

et al. 2022

Measurement Science Review

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The paper describes the design and technical parameters of a medical thermoelectric device developed for diagnosing and monitoring the ophthalmic diseases. The main elements of the device are a specially designed thermoelectric heat flux sensor and a thermocouple temperature sensor connected to a data acquisition unit. The sensor is a thermoelectric micro-module that converts the heat flux into an electric voltage, which is recorded by the measuring channel of the data acquisition unit. The device allows high-precision measurements of both heat flux and temperature from the ocular surface. The paper contains examples of clinical piloting of the device.

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Section: Design and Technical Parameters Of Devicementioning

confidence: 99%

Development of a Temperature and Heat Flux Measurement System Based on Microcontroller and its Application in Ophthalmology

Wang

Jiao

Анатычук

et al. 2022

Measurement Science Review

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Effect of Electrical Annealing to the Inhomogeneity Improvement of Type-S Thermocouples

Trisna

Suherlan

Wiriadinata

et al. 2018

J. Phys.: Conf. Ser.

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The thermoelectric inhomogeneity as a function of position along wires is one the significant uncertainty of measurement using thermocouples. Here we report development of an electrical annealing system for thermoelectric inhomogeneity treatment. Two inhomogeneous type-S thermocouples, which had the inhomogeneity greater than 0.04%emf, are successfully recovered using the system. An improvement on thermocouple performance as large as 0.28 °C (at temperature of 1000 °C) can be obtained using the system. This article provides detailed information and may help the reader to obtain a quick grasp about the system.

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Calibration of Thermocouple by Comparison against Standard Radiation Thermometer in a Blackbody Comparator

Trisna¹,

Suherlan²,

Hapiddin

et al. 2018

J. Phys.: Conf. Ser.

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A set-up to calibrate thermocouple up to 1500 °C by comparison against radiation thermometer is recently established in Research Center for Metrology – LIPI (RCM – LIPI). A blackbody cavity, made of silicon carbide, is put in a single-zone-controller furnace as a comparator block. A radiation thermometer standard (worked at λ = 650 nm) is employed to determine the reference temperature of the calibration. In this work, a type B thermocouple is calibrated in the range of 1000 – 1500 °C. The expanded uncertainty (k = 2) is evaluated to be 2.4 °C at 1500 °C. The uncertainty due to inhomogeneity of the thermocouple contributes more than 50% (1.4 °C) of the total uncertainty.

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Fabrication and Determination of an Aluminium Fixed Point Cell as a Secondary Standard in Thermocouple Calibration

Cited by 4 publications

References 10 publications

Development of a Temperature and Heat Flux Measurement System Based on Microcontroller and its Application in Ophthalmology

Development of a Temperature and Heat Flux Measurement System Based on Microcontroller and its Application in Ophthalmology

Effect of Electrical Annealing to the Inhomogeneity Improvement of Type-S Thermocouples

Calibration of Thermocouple by Comparison against Standard Radiation Thermometer in a Blackbody Comparator

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