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All Journal Jurnal Otomasi Kontrol dan Instrumentasi JURNAL EKSAKTA PENDIDIKAN (JEP) Pelita Eksakta Sainstek : Jurnal Sains dan Teknologi Pillar of Physics Education : Jurnal Berkala Ilmiah Pendidikan Fisika Pillar of Physics: Jurnal Berkala Ilmiah Fisika

Zulhendri Kamus

Universitas Negeri Padang

Author-ID : 2756618

Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Computer Science & IT Control & Systems Engineering Earth & Planetary Sciences Education Engineering Industrial & Manufacturing Engineering Materials Science & Nanotechnology Mathematics Physics Other

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Studi instrumen gas analyzer inlet KILN 5W1A50A1 untuk pengukuran kadar oksigen di KILN pada PT. Semen Padang (Study of the KILN 5W1A50A1 inlet gas analyzer instrument for measuring oxygen levels at KILN at PT. Semen Padang ) Nila Yulita; - Asrizal; Zulhendri Kamus
PILLAR OF PHYSICS Vol 11, No 2 (2018)
Publisher : Department of Physics – Universitas Negeri Padang UNP

Oxygen has an important role in the process of burning cement and producing Carbon Monoxide. The oxygen content can be measured using a Gas Analyzer. At PT. Semen Padang has a Gas Analyzer but information about instruments, data and analysis and the use and constraints of the Gas Analyzer are still lacking. To answer this promblem researchers are interested in conducting further research. This research includes descriptive research, namely research that aims to describe or explain an object's variables. measurement results obtained from the measurement results using a Gas Analyzer. the measurement results obtained will be analyzed statistically and graphically. the measurement results are analyzed by data in one day, one week, one month and for 6 months. Based on the results of data analysis it can be seen that the oxygen gas content of the measurement results is still in the range used.

Studi instrumen ceilometer allweather 8339 dan data hasil pengukuran di Stasiun Meteorologi Minangkabau Padang (Study of the allweather 8339 ceilometer instrument and measurement data at the Minangkabau Meteorological Station, Padang ) Serly Samarantika; - Asrizal; Zulhendri Kamus
PILLAR OF PHYSICS Vol 11, No 1 (2018)
Publisher : Department of Physics – Universitas Negeri Padang UNP

The cloud height measurement has important role in aviation field. One of instruments that is used to measure the cloud height is ceilometer. The existence of ceilometer isn’t so common in daily life unlike other weather elements measuring device such as thermometer, barometer and so on. This cause lack of learning source and knowledge over the cloud parameters for students or observers. For this reason, the research about ceilometer instrument is important. The aim of this research is to describe the operation principle of ceilometer and to determine the data results interpretation of the instrument to give support for instrument’s future development. This research can be classified into the descriptive research category. The object of the research is Ceilometer Allweather 8339 in Minangkabau International Airport and its data results during 14 days. The data was analyzed using analysis descriptive technique. This was executed by collecting any kinds of information from field and literatures. Based on the data analysis can be stated two of research results. First, ceilometer works based on Lidar Principle and using NWS ASOS Sky Condition Algorithm as programming algorithm. The transmitter is InGaAs Laser diode and Avalanche Photo Diode is used as receiver. Second, the measurement result data from 1st July 2017 until 14 July 2017 shows variative pattern in height, sky condition and amount of layers every hours. For example the date that consist of the most low clouds is 7th July 2017 and cloud rarely formed on 3rd July 2017

Analysis of weather elements based on measurement results of Automated Weather System (AWS) type Vaisala MAWS 201 Muhammad Ihsan Qudratullah; Asrizal Asrizal; Zulhendri Kamus
PILLAR OF PHYSICS Vol 9 (2017)
Publisher : Department of Physics – Universitas Negeri Padang UNP

Human activities due influenced by natural conditions and natural conditions are affected by human activities. This phenomenon is interesting because everybody couldn't control over the weather. Accuracy weather information can minimize the negative effects of weather such as aircraft accidents, material losses due to flooding and other. AWS is instrument used to measure the weather elements. However, in practice most of the weather forecast is only used to help smooth plane flight, and the result can only be accessed by certain institutions. In fact, if viewed more deeply the weather forecast has many benefits in human activities. This research objective is to determine the characteristics of the weather elements that can be utilized for various fields of human life. This research was descriptive which describe the AWS Vaisla MAWS 201 and the elements of the weather based on measurements using Vaisala MAWS 201. AWS measurement data retrieval was done directly by observing changes in weather elements occurring on the computer display. The computer display of measurement data elements of weather can be downloaded to be processed as information material. From these research activities could be offered two results. First AWS consist of remote terminal Unite (RTU), personal computer (CP), Sensors. AWS can measure some weather elements at once. Second, the measurement data obtained from the results that the average temperature in 2013 and 2014 was 250C -300C and minimum temperature of 240C. For the measurement of rainfall average per year is 35 mm and 0 mm. The air pressure value of the average per year is 1012 mb and 1009 mb. Air humidity is 80 and 82. Wind speed is taken from an annual average value of 10 m / s in 2014 and 3 m / s in 2013

Fabrication of measuring tool for gear rotational speed using an inductive proximity sensor and an Arduino Uno microcontroller Elfi Susilawati; Yulkifli Yulkifli; Zulhendri Kamus
PILLAR OF PHYSICS Vol 10 (2017)
Publisher : Department of Physics – Universitas Negeri Padang UNP

The development of science and technology (Science and Technology) always improved. Science and technology proven to provide convenience and benefits for humans as in the field of Physics, for example measurement of the Rotational speed. Rotational speed can be measured in two ways: manually and automatically. Automatic sensor-assisted system used to detect and monitor the speed of play. Sensors for this system is inductive proximity sensors npn LJ12A3-4-Z / BX type. The use of these sensors has not been widely used in general, so the design and realization of the system is done looking at technical data, specifications and sensor characteristics. The objective of the research is to know the performance specification and the design of the gear speed measuring instrument. This research is engineering research. Data collection is done directly and indirectly. Direct measurements are made by comparing the measurements and theoretical outcomes. Indirect measurements determine the precision and accuracy of the speed. The data obtained through measurement are statistically and graphically. Based on data analysis put forward two important sections. First, the measurement system performance specification using proximity sensor and arduino microcontroller UNO consist of DC motor there are 12 gear, near DC motor there is proximity sensor with 4 mm distance to gear, and box circuit. Design specifications of measuring instruments in the form of device sensitivity 8,015; Relative accuracy 0.97; 97% accuracy and 0.99 system accuracy

Studi instrumen emisi debu tipe durag D-R 290 dalam menentukan karakteristik debu hasil pembakaran klinnker di Indarung V PT. Semen Padang (The study of the D-R 290 durag type dust emission instrument in determining the characteristics of dust from combustion clinics at Indarung V PT. Semen Padang ) Desti Liala Kurnia; - Asrizal; Zulhendri Kamus
PILLAR OF PHYSICS Vol 11, No 2 (2018)
Publisher : Department of Physics – Universitas Negeri Padang UNP

Information about the measurement of dust and processing of measurement data needs to be known. But the reality shows that the information on dust emission instruments and processing data is still lacking. With this basis, research on dust emission instruments and processing of measurement data needs to be done. The research method used in this study is a descriptive research method with a quantitative approach in which the object of research is an instrument of dust emissions. The procedure of this study is in accordance with the steps for descriptive research. The results of this study indicate that the average measurement results of dust emissions with an hourly measurement range still provide measurement results below the specified limit limit. The threshold is based of Environment Regulation LHK No. 19 of 2017 concerning emission quality standards for cement industry businesses and / or activities, namely 75 mg/Nm3. Measurement for 6 months with a weekly measurement range of 25 weeks, obtained an average value of the results of the measurement of dust density of 18.96 mg/Nm. Dust density is directly proportional to the level of translucency, the larger the dust density, the higher the translucency level will also be.

Analisis sistem instrumen intensity meter p-alert dan data hasil pengukurannya (System analysis of the intensity meter p-alert instrument and its measurement data) Yeni Rahman; Zulhendri Kamus; Rachmad Billyanto
PILLAR OF PHYSICS Vol 5 (2015)
Publisher : Department of Physics – Universitas Negeri Padang UNP

Earthquake would cause ground acceleration. To the ground acceleration can be measured by using intensity meter p-alert instrument. Instrument compiled of sensor, modem, hub D-Link, and display. This research to describe the constituent components and data analysis. The sensor used in instrument is triaxial MEMS accelerometer ADIS16223 and digital signal processing component used microcontroler MaximMAX7219 with RJ45 data communication. Data analysis of peak ground acceleration for five times earthquakes use P-Alert Early Warning software

Fabrication of digital linear expansion experiment set based on the ATMEGA328 microcontroller Nofsi Meiza; Yulkifli Yulkifli; Zulhendri Kamus
PILLAR OF PHYSICS Vol 10 (2017)
Publisher : Department of Physics – Universitas Negeri Padang UNP

Development of science and technology can’t be separated from physics. Basically physics is born and grow doing by experiments. For more accurate results of the research, required experiments with the level of high accurate. In the laboratory, experimental linear expansion is analog. Results of analog eksperiment has an error. This research has purpose for determine the performance specifications and desain of digital microcontroller atmega328. Based on research results obtained, first meansure of experiments digital linear expasion process in output sensor and changing obtained with the expected output. Result of experiment digital is displayed with LCD. Sensor used is LM35 temperature sensor of metal, brass, and iron. Second, experiment digital for linear expansion has the percentage of precision in brass, iron, and aluminum respecteli is 97.58%, 95.92%, and 97.98%. While for precision is 0.97, 0.95, and 0.97

Pengembangan prototipe sistem pengukuran KWH meter digital presisi komunikasi dua arah menggunakan short message service berbasis Mikrokontroler AT89S52 dan Atmega16 (Development of a two-way communication precision digital KWH meter measurement system prototype using a short message service based on the AT89S52 and Atmega16 microcontroller) Yosep Permana; - Asrizal; Zulhendri Kamus
PILLAR OF PHYSICS Vol 1 (2013)
Publisher : Department of Physics – Universitas Negeri Padang UNP

ABSTRACTMeasurement system of electrical energy of PLN customers is done manually can cause errors. These Errors can occur when reading the data of KWH meter and entering the data into customer database system. Based on this fact development of automatic KWH meter with Short Message Service is important. Digital KWH meter can measure electrical energy more precise, turn off electricity automatically and turn on it base on a database. In general, this research intend to design and develop a digital KWH meter with measurement system using the short message service with two direction of communication base on microcontroller AT89S52 and ATMega16. The data obtained through measurement is analyzed in two methods, namely by statistics and graphs. There are four results of this research, those are : 1. KWH meter consists of two parts, namely KWH Meter Digital System and System server for database, 2. Accuracy from rotation disk value, KWH value and cost of customer each are 100%, 99.30% and 100%, Precision from rotation disk value and KWH value each are 1 and 0.99, 3. Time to send data KWH to copy into customer database is 37.65s, 4. Time to turn of and turn on KWH meter each are 11.97s and 19.15s. Keywords : KWH meter, optocoupler sensor, short message service

Study on tools and measuring results of wind speed using the agroclimate automatic weather station (AAWS) instrument at BMKG Sicincin Astuti Kirana Fachry; Zulhendri Kamus; Sugeng Nugroho
PILLAR OF PHYSICS Vol 9 (2017)
Publisher : Department of Physics – Universitas Negeri Padang UNP

Wind speed and direction is required data in agriculture. Wind speed and direction will usually help pollinate plants, but it can also be used for the determination of the future grow. One of the instrument used to determine wind speed and direction are AAWS (Agroclimate Automated Weather Station). This instrument is used to measure weather elements Unsu-one speed and direction of this AAWS angin.Pada for measuring the weather elements such as wind speed and direction using an ultrasonic anemometer. The wind data must first be processed and analyzed so that it becomes useful information, one result is a diagram windrose plot (WRPLOT). WRPLOT can perform calculations in generating wind rose diagrams and frequency distribution of wind data quickly so that the information resulting from the analysis of wind speed and direction to be more informative and interactive. From the analysis of the measurement data of wind speed and direction were performed using WRPLOT showed, that the wind speed in the morning with a range 2,1-3,6m / s blowing from the southwest. During the day the wind speed decreased to 0.5 to 2.1 m / s blowing from the northeast and east. While at night the average wind speed was 0.5 to 2.1 m / s blowing from the northeast and east as well.

Fabrication of digital parabolic motion experiments set based on the ATMEGA328 microcontroller to measure motion parameters Farah Sarjani; Yohandri Yohandri; Zulhendri Kamus
PILLAR OF PHYSICS Vol 10 (2017)
Publisher : Department of Physics – Universitas Negeri Padang UNP

Technological developments have produced many tools that can facilitate human work in industrial and scientific needs. In addition, electronics has also produced sophisticated components, both in the manufacture of measurement systems and experimental set-making system. This research created a set of digital parabolic motion experiment that display the value of time, speed and distance of objects. The purpose of this research is to know the performance and design spesifications a set of digital parabolic motion experiment using photogate and vibration sensors based on ATMega328 microcontroller to measure the parameters of motion. This research is a laboratory experiment. The measurement technique used is direct and indirect measurements. Direct measurement made to determine the value of time, speed and distance of objects that display on the LCD. Indirect measurement is made to determine the accuracy and precision of digital parabolic motion experimental set system. Analysis of measurement results can be explained that there are two important results from this research. First, the result of the measurement system design consist of launcher made from the photogate and vibration sensors as the sense of object (projectile) passing through the sensor. Second, set of digital parabolic motion experiment has a precise value that can be determined from the percentage of error between the actual value

Co-Authors - Asrizal Abd. Rasyid Syamsuri Akmam Akmam Amali Putra Annisa Rahma Sari Asrizal Asrizal Asrizal Asrizal Asrizal Asrul Asrul Astuti Kirana Fachry Aufha Diny Putri Aviatul Hasanah Ayu Triana Desnita Desnita Desti Liala Kurnia Djusmaini Djamas Elfi Susilawati Ernita Susanti Esti Aprilia Usman Faradillah Faradillah Farah Sarjani Fauzy Dwi Ardi Firda Annisa Gusnedi Gusnedi Gusnedi Gusnedi Hamdi Rifai Hanisa Ayudia Saleh Hayatul Islamiah Heni Nofira Hidayati Hidayati Hira Khairunnisa Jully Ermisa Junaidy Syam Mahrizal Mahrizal Maria Idayu Masril Masril Maulana Aflah Maulana Aflah Mona Berlian Sari Muhammad Ihsan Qudratullah Murtiani Murtiani Nila Yulita Nofsi Meiza Nurhayati Nurhayati Nurry Putri Tissos nurul fajra Ocha Samantha Feriyana Pakhrur Razi Putri Auliyani Putri, Aufha Diny Rachmad Billyanto Rahma Fikri Nuradi Ramli Ramli Ratnawulan . Renggina Anamunamita Renol Afrizon Rif’il Husniyah rika septian amelia Sepna Gitnita Serly Samarantika Siltri, Dina Mulya Silvi Atika Sari Siti Fajar Aldilha Yudha Sri Wahyu Hidayati Suci Indah Putri Suciani Liniswanti Sugeng Nugroho Suliati Suliati Sulpiana Sulpiana Sumi Sahara Syafwan Syafwan Tri Septiani Wenni Tiarasari Windy Putri Chania wita nirmala Yanti, Nurfitriza Yeni Rahman Yenni Darvina yenni nofita sari Yohandri Yosep Permana yudia laili Yulkifli Yulkifli Yulkifli Yulkifli Yuni Azmanita

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