Standar Referensi
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Definisi
Standar pengukuran dengan kualitas metrologi tertinggi yang tersedia di suatu lokasi, digunakan untuk mengkalibrasi standar kerja dan instrumen lain dalam organisasi tersebut.
Penjelasan
A national metrology institute maintains primary reference standards — for example, NIST’s primary mass standard is a platinum-iridium kilogram prototype traceable to the 2019 SI redefinition via Kibble balance. Laboratories maintain secondary reference standards calibrated against primary ones: a 1 kg stainless steel reference weight with uncertainty of ±0.05 mg might serve as the reference for an entire factory’s weighing instruments.
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RELATED TERMS
Faktor Konversi
Pengali numerik yang digunakan untuk mengubah suatu besaran dari satu satuan ke satuan lain.
Presisi
Tingkat ketelitian suatu pengukuran, ditunjukkan oleh jumlah angka signifikan.
Akurasi
Seberapa dekat suatu pengukuran dengan nilai sebenarnya dari besaran yang diukur.
Analisis Dimensional
Metode konversi satuan dengan mengalikan faktor konversi yang bernilai 1.
Mil Laut
Satuan jarak yang digunakan dalam navigasi laut dan udara, sama dengan 1.852 meter.