Current Measurement Accuracy in Open Channel Instruments

Erwin Affandy; Muhammad Saleh Pallu; Farouk Maricar; Bambang Bakri

doi:10.4028/p-qX94vB

Paper Titles

Analysis of well Water in the South of Ternate by Applying Silica Sand, Zeolite, and Activated Carbon Filter Media
p.13

2D Hydrodynamic Analysis Using HEC-RAS in the way Sulan Watershed
p.21

Modeling of Flood Prone Areas in the Remu Watershed
p.37

Wave Characteristics Simulation in the Waters of Pesisir Barat Lampung with the Wind Data Approach of the Bengkulu Recording Station
p.47

Current Measurement Accuracy in Open Channel Instruments
p.57

Seawater Influence on Groundwater in Pisang Island, Lampung
p.65

The Occurrence of Springs in Scarce Groundwater Condition Area in Taebenu Sub-District, Kupang Regency
p.75

Flood Discharge Using Creager Graph Based on DAM Data in Jeneberang River Region
p.83

Wave Running on the Oscillating Water Column (OWC) Breakwater Model
p.91

HomeEngineering HeadwayEngineering Headway Vol. 23Current Measurement Accuracy in Open Channel...

Current Measurement Accuracy in Open Channel Instruments

Abstract:

Flume is an artificial open channel construction tool that holds water in the desired amount and is used as an observation, measurement or test equipped with a water flow that can be controlled and the slope of the channel can be adjusted as needed. The purpose of this study was to obtain a comparison of the accuracy of using several velocity measuring instruments available in the hydraulics laboratory on the experimental flume. There are two measurement methods used in this study, namely the Measured/Aqtual Discharge Method and the Flow Velocity Method. Measurement of flow velocity to obtain discharge carried out in this study using a current meter flow watch (FW), electromagnetic current meter (ECM), Portable velocity meter 0.01-4.0 m/s LS300 A). method to get accuracy, refers to the current meter discharge value with the measured discharge value. From the results of the study it can be concluded that the Measurement Accuracy of flow watch (FW) = 94.23%, electromagnetic current meter (ECM) = 5.90%, and Portable velocity meter 0.01-4.0 m/s LS300 A = 100.23%, The results of verification and validation of measurement accuracy between actual discharge and discharge using velocity measuring instruments show that the value of discharge using Portable velocity meter 0.01-4.0 m/s LS300 A is close to the aqtual discharge value.

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Periodical:

Engineering Headway (Volume 23)

Pages:

57-64

DOI:

https://doi.org/10.4028/p-qX94vB

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Online since:

July 2025

Authors:

Erwin Affandy*, Muhammad Saleh Pallu, Farouk Maricar, Bambang Bakri

Keywords:

Accuracy, Current Meter Instrument, Open Channel Flume

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