Emerson PR6423/002-030+CON021, yang juga tercatat sebagai sensor arus eddy PR6423, berfungsi sebagai komponen perangkat keras khusus untuk pengukuran perpindahan tanpa kontak dalam sistem instrumentasi pemantauan turbin.
Spesifikasi Perangkat Keras
Parameter
Spesifikasi
Model
PR6423/002-030+CON021
Merek
Emerson EPRO
Asal
Tidak ditentukan
Berat
Sekitar 100 g (sensor dengan kabel 1 m)
Dimensi
Tidak ditentukan
Suhu Operasional
Sensor termasuk kabel 1 m: –35 hingga +200 deg C; Kabel & konektor: –35 hingga +150 deg C
Meskipun sensor PR6423 itu sendiri bersifat pasif, saat dipasangkan dengan driver CON021, sensor ini terintegrasi ke dalam arsitektur loop 4–20 mA HART. Driver tersebut menerapkan isolasi antarkanal, sehingga sinyal perpindahan tetap stabil dalam kondisi pengkabelan campuran. Isolasi ini menekan crosstalk dan mempertahankan akurasi kalibrasi di seluruh sistem pemantauan turbin.
Pertanyaan yang Sering Diajukan
T: Dapatkah sensor diganti saat mesin sedang beroperasi? J: Pelepasan secara mekanis dimungkinkan, tetapi pemantauan perpindahan akan segera terputus. Penggantian hanya boleh dilakukan selama penghentian terkontrol.
T: Bagaimana panjang kabel memengaruhi kalibrasi? J: Panjang kabel 1 m yang ditentukan merupakan bagian dari rangkaian kalibrasi. Perubahan panjang kabel dapat mengubah penskalaan dan memerlukan kalibrasi ulang dengan driver CON021.
T: Material target apa yang direkomendasikan untuk kalibrasi? J: Kalibrasi standar dilakukan terhadap baja 42CrMo4. Material feromagnetik lain dapat digunakan berdasarkan permintaan, tetapi memerlukan kalibrasi pabrik.
Panduan Pemasangan di Lapangan
Pertahankan ujung probe tegak lurus terhadap permukaan poros untuk memastikan pengukuran perpindahan yang akurat.
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