High performance conductivity monitoring instrument with pulsating sensor

P. Sahoo, N. Malathi, K. Praveen, R. Ananthanarayanan, A.D. Arun, N. Murali, P. Swaminathan

Research output: Contribution to journalArticle

17 Citations (Scopus)

Abstract

We present an unconventional but high performance pulsating conductivity monitoring instrument constructed by using a new class of sensor, viz., pulsating sensor developed in house. The design consists of a special type of logic gate oscillator (LGO) powered by 5 V direct current (dc). The conductivity cell constitutes a part of LGO. In this conductivity meter the primary signal generated from the sensor is directly in digital domain which is easily transmitted either to a personal computer or to a stand-alone embedded system. Hence it reduces the hardware components making the instrumentation highly simplified. The output of the instrument is pulse frequency which is directly related to the conductivity of solution used for measurement. The relation between pulse frequency and conductivity is determined following a multipoint calibration technique developed in our laboratory using a series of KCl standards. The performance of the instrument is demonstrated with a few examples which reveal the diverse application of this new approach of measurement technique. © 2010 American Institute of Physics.
Original languageEnglish
JournalReview of Scientific Instruments
Volume81
Issue number6
DOIs
Publication statusPublished - 2010

Fingerprint

conductivity
Logic gates
Monitoring
sensors
Sensors
logic
conductivity meters
oscillators
personal computers
pulses
Embedded systems
Personal computers
Computer hardware
hardware
Physics
direct current
Calibration
physics
output
cells

Cite this

Sahoo, P., Malathi, N., Praveen, K., Ananthanarayanan, R., Arun, A. D., Murali, N., & Swaminathan, P. (2010). High performance conductivity monitoring instrument with pulsating sensor. Review of Scientific Instruments, 81(6). https://doi.org/10.1063/1.3449552
Sahoo, P. ; Malathi, N. ; Praveen, K. ; Ananthanarayanan, R. ; Arun, A.D. ; Murali, N. ; Swaminathan, P. / High performance conductivity monitoring instrument with pulsating sensor. In: Review of Scientific Instruments. 2010 ; Vol. 81, No. 6.
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Sahoo, P, Malathi, N, Praveen, K, Ananthanarayanan, R, Arun, AD, Murali, N & Swaminathan, P 2010, 'High performance conductivity monitoring instrument with pulsating sensor', Review of Scientific Instruments, vol. 81, no. 6. https://doi.org/10.1063/1.3449552

High performance conductivity monitoring instrument with pulsating sensor. / Sahoo, P.; Malathi, N.; Praveen, K.; Ananthanarayanan, R.; Arun, A.D.; Murali, N.; Swaminathan, P.

In: Review of Scientific Instruments, Vol. 81, No. 6, 2010.

Research output: Contribution to journalArticle

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