Embedded Based Soil Electrical Conductivity Measurement System

SalehaBegum, B.; AshrafAhamed, B.; Kumar, A. Suresh; RamaMurthy, B.; Thimmaiah, P.; Khan, Kareemullah; Uiniversity, S. K.

doi:10.9790/2380-0261720

Cited by 2 publications

(2 citation statements)

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“…Following the process described the system is calibrated. The water samples of different conductivity from 70 µs/cm to 1187 µs/cm are used for calibration [3,5]. The conductivity is measured by standard meter HI 991300, HANNA Instruments, USA.…”

Section: Calibrationmentioning

confidence: 99%

“…The 8031 microcontroller based embedded system for temperature dependent electrical conductivity has developed by Rajendran et al [4], wherein they measured conductivity by investigating ionic solution using a modified AC Wheatstone bridge network. SalehaBegum et al have employed a PIC microcontroller to develop an embedded system for measurement of electrical conductivity of the soil [5]. A new technique, Lorentz force sigmometry, for the contactless measurement of the specific electrical conductivity of a solid body and electrically conducting fluid are reported by Uhlig et al [6].…”

Section: Introductionmentioning

confidence: 99%

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Paradigm of AMS based SoC for Measurement of PhysicoChemical Parameters of the Water

Tilekar¹,

Chavan²,

Ladgaonkar³

et al. 2017

IJARCSSE

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Abstract-Indeed, mixed signal (Analog + Digital) based VLSI design is an innovative technology, realizing commendable reconfigurability, which helps to emphasis wide spectrum of applicability, particularly in the field of precision measurements. Moreover, designing of precision instrumentation for measurements and controlling of various parameters such as pH, temperature, electrical conductivity, etc. depicts the meritorious application domain. Further, the deployment of mixed signal based Programmable System on Chip (PSoC) overcomes constraints in the configurability, which are otherwise exhibited by traditional VLSI. Mixed signal based PSoC device vendered by Cypress Semiconductor, USA has promising reconfigurabilty features. This paper presents the issues of the designing of an inexpensive and portable embedded system for precision measurement of electrical conductivity of solution under investigation. The PSoC, a CY8C55 family device, from Cypress has on-chip ARM7 cortex-M3 CPU core, which has operating at back end. Deploying standard conductivity electrode, the AC current, proportional to concentration of ions is extracted by programmable analog core of the PSoC5. Only conductivity electrode is off-chip. Rest of analog part of the hardware is designed on the chip. Analog as well as Digital signal processing is performed by configuring the system on-chip. The digitization of the signal is ensured by ADC, which is configured for 10-bit resolution. Moreover, hardware & software are co-developed. The results are displayed on smart LCD. Instead of traditional method of calibration, wherein three point calibration process is adopted, the system is uniformly calibrated for the range of investigation. The system is calibrated to the electrical conductivity, micro Siemen (μS). The system is standardized against standard electrical conductivity meter model HANNA HI991300. The electrical conductivity measured by the system under investigation is more precise and accurate and results closely matched with that of shown by standard meter.

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Section: Calibrationmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%