IEEE Instrumentation & Measurement - September 2023 - 36

communication interaction and voice interaction. Bluetooth
interaction can upload data to a mobile phone application in
real time, which is convenient for data viewing by site users;
wired communication interaction adopts RS communication
technology to facilitate computer data viewing when there is a
computer on site; wireless communication interaction adopts
NB-Iot technology to upload data to server platform in real
time, which is convenient for data viewing and analysis at
management level; voice interaction can control the sand content
collector by voice and voice broadcast, reducing personnel
costs. As a result, the sand content online collection equipment
can realize on-site real-time online measurement of the sand
content of river channels, which has the characteristics of convenience,
real-time and intelligence.
Experiments and Data Analysis
Laboratory Calibration
Before the field experiment, the sand content online collection
equipment needed to be rate set, to ensure the accuracy
of the field test data. The sand samples of the field river channels
needed to be selected for drying rate setting, where the rate
range is 0.1-20 kg/m³. Here, the field sand samples were selected
from the sand samples of the Xiao Kai River channel in Henan.
The laboratory calibration environment is shown in Fig. 5.
According to the requirements for on-site sand content
measuring instrumentation in GB/T 15966-2017, the random
error of sand content measurement is not more than 10% [10].

IEEE Instrumentation & Measurement - September 2023

Table of Contents for the Digital Edition of IEEE Instrumentation & Measurement - September 2023

Contents
IEEE Instrumentation & Measurement - September 2023 - Cover1
IEEE Instrumentation & Measurement - September 2023 - Cover2
IEEE Instrumentation & Measurement - September 2023 - Contents
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