Oxygen Analyzer merupakan alat ukur kadar oxygen dalam suatu gas yang berperan penting dalam berbagai bidang industri maupun bidang kesehatan. Dalam bidang kesehatan oxygen analyzer difungsikan untuk mengukur kadar gas oksigen pada tabung oksigen, alat terapi oksigen, outlet gas medis, ventilator, Continuous Positive Airway Pressure (CPAP) serta Baby Incubator yang dilengkapi dengan pemberian oxygen di dalamnya. Alat ini menggunakan sensor KE-25 untuk mendeteksi kadar oksigen dan sensor OCS 03F untuk aliran oksigen, kemudian di tampilkan pada LCD karakter 2X16. penelitian ini menggunakan metode pre eksperimental dengan jenis peneltian after only design. Berdasarkan hasil pengukuran pada alat ventilator di rumah sakit maka diperoleh tingkat rata - rata kesalahan pembacaan (error(%)) pada kadar oksigen yaitu 0,421504%, sedangkan pada aliran oksigen yaitu 0,49285%.
Pemberian oxygen terapi pada pasien yang beresiko mengalami hipoxsemia atau sudah mengalami hepoxemia haruslah selalu dipantau oleh perawat pada waktu ke waktu, hal ini dilakukan untuk memastikan apakah pembukaan katup oxygen flow meter sudah sesuai dengan dosis yang mengacu pada Spo2 pasien. Tujuan dari penelitian untuk mempemudah tugas perawat melakukan pemantauan kadar Spo2 pasien dan secara otomatis mengatur pembukaan katup oxygen flow meter. Kontribusi penelitian ini adalah sistem yang dapat memantau kadar oxygen pasien dan mengatur otomatis mengatur pemberian oxygen theraphy. Agar dapat mengatur pembukaan oxygen flow meter sesuai dengan kadar SPO2 pasien peneliti membuat sistem mekanik pembukaan flow meter oxygen yang tersambung langsung dengan Spo2. Sensor fingertip yang terpasang pada jari pasien akan mendeteksi kadar Spo2 pasien. Lalu diolah pada mikrokontroler untuk mengatur pembukaan katup flow meter oxygen. Pada pembacaan kadar Spo2 89 – 91 % pembukaan katup berada pada titik 2 LPM, pada pembacaa kadar Spo 2 dibawah 88% pembukaan katup berada pada titik 6 LPM dan pada pembacaan Spo2 di atas 92% maka katup oxygen flow meter akan menutup secara berkala. Hasil penelitian ini menunjukkan bahwa pembukan katup flow meter oxygen pada titik 92% - 88% mempunyai error rata rata 1 – 2 % .
Oxygen theraphy adalah suatu tindakan medis yang bertujuan agar kadar oksigen di dalam tubuh tercukupi. Pada level tertentu, jika tubuh kekurangan atau kelebihan oksigen dalam darah dan tidak segera ditangani, akan dapat membahayakan kondisi pasien. Dalam pemberian oxygen theraphy, harus sesuai dengan dosis yang seharusnya dengan memantau secara terus menerus tingkat saturasi oxygen pasien. Tujuan dari penelitian ini adalah merancang alat yang dapat memantau keadaan saturasi oksigen dalam darah pasien. Kontribusi penelitian ini adalah sebagai acuan untuk pemberian oxygen theraphy (oksigenisasi) pada pasien. Agar alat ini lebih praktis dan efisien untuk digunakan, maka dibuatnya alat dengan pemantauan secara real time. Perancangan alat ini menggunakan menggunakan finger sensor DS-100A untuk mengambil pancaran cahaya yang diserap oleh hemoglobin untuk kemudian diolah dan dihasilkan nilai SpO2. Hasil dari modul berupa nilai pembacaan SpO2 dalam persentase. Dari hasil pengujian yang dilakukan dengan alat ukur standar pada responden dihasilkan persentase error paling besar 1,7%. Hasil penelitian ini dapat diimplementasikan pada regulator oksigen otomatis berdasarkan tingkat SpO2 pasien untuk meningkatkan efisiensi sistem pemantauan tingkat SpO2 pasien dalam pemberian dosis pada metode oxygen theraphy (oksigenisasi).
X-ray radiation is used to diagnose the human body. Two parameters are often used as settings when using this machine. The first is the KV value, and the second is the mA value. If an error occurs in the kV setting, it will cause inappropriate image quality, so that it will provide inaccurate information in patient examination. Likewise with the presence of excessive doses to the patient's body. To ensure that the KV value that comes out is in accordance with the settings on the machine consul, invasive and non-invasive measurements can be carried out. Non-invasive is becoming an easy standard to do. Several types of equipment on the market and research results have been widely used for this non-invasive activity. The problem is that currently the existing tools still use detectors at an expensive price. The purpose of this study was to design a low-cost non-invasive x-ray KVmeter detector using an LED detector and test the ability of the detector at each point of collimation.. The method used in this study is to stump the detectors placed at 4 ends of the collimation 20 cm apart. The data is taken by doing x-ray exposure at a distance of 60 cm. The module measurements were carried out under 80 mA exposure conditions for 1 second and a collimation area of 20 x 20 cm. X-ray exposure settings were performed at 40kV, 50kV, 60kV, and 70kV settings. The module measurement results are compared with the x-ray machine setting values. From the comparison results, the smallest error rate on Sensor 2 is 0.83% while the highest error is on S5 of 26.43%. The results can be concluded that the LED phosphor can capture x-rays, but the detector is weak due to interference from ambient light. The results obtained from the detector itself are still less stable and linear. In future research, stability and linearity will be built using a mechanical design that reduces ambient light interference.
Currently, thermometer has been widely used by the public. In general, thermometers are designed for people who have normal physical conditions, especially in the ability to see. Disabled people, especially blind people, will find it difficult to use the existing thermometer, especially with the current pandemic situation, which is likely to spread COVID-19 quickly. In connection with this problem, non-contact body temperature measurement is needed with sound output and a wireless system so that there is less possibility of exposure to disease. Therefore, this study describes a non-body contact thermometer with sound output via wireless. The purpose of this study concludes that Non-Body Contact Thermometers can be made with Voice Output Via Wireless to determine normal or hyper and hypo human body temperatures. Thus, this thermometer make it easier for those who have limitations to see and reduce exposure to covid-19 between patients and users. The method in this study employed MLX90614 as a sensor whose output is in the form of digital data, HC-SR04 as a trigger on the MLX90614 sensor, and DF player as a reader on data that have been recorded via Google and stored on the SD card, and XBEE module as transceivers of data to pc. Temperature testing was further conducted by comparing the module with a standard tool, that is a digital thermometer. The error obtained from the module at normal temperature is 0.98%, while the smallest error is 0.1%. Furthermore, in terms of the hypo temperature, the largest error is 1.80%, while the smallest error is 0.42%. Last, at hyper temperature, the largest error is 1.75%, while the smallest error is 0.10%.
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