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Spectrophotometer U-2900/2910

Spectrophotometer U-2900/2910

Description

Spesifikasi Teknis Spectrophotometer Hitachi U-2900

1. Sistem Optik

  • Tipe: Double-beam, sistem dispersi dengan grating

  • Sumber Cahaya:

    • Lampu Deuterium (D₂) untuk rentang UV (190–360 nm)

    • Lampu Tungsten-Halogen (WI) untuk rentang visible (360–900 nm)

  • Monokromator: Grating blazed dengan focal length 260 mm

  • Bandwidth Spectral: 2 nm (fixed)

  • Panjang Gelombang:

    • Rentang Pengukuran: 190–900 nm

    • Akurasi: ±0.3 nm

    • Reproduksibilitas: ±0.1 nm

2. Detektor

  • Tipe: Photomultiplier Tube (PMT) untuk sensitivitas tinggi

3. Performa Pengukuran

  • Rentang Absorbansi: -0.3 hingga 4.0 Abs

  • Akurasi Absorbansi: ±0.002 Abs (pada 0.5 Abs, 340 nm)

  • Stabilitas Baseline: ±0.0005 Abs/jam (setelah pemanasan 1 jam)

  • Noise: ≤0.0003 Abs (pada 500 nm, 2 nm bandwidth)

4. Kecepatan Pemindaian

  • Mode Scan: Kecepatan variabel (cepat, sedang, lambat)

  • Kecepatan Maksimal: ~2400 nm/menit

5. Fitur Operasional

  • Modus Pengukuran:

    • Absorbansi (Abs)

    • Transmitansi (%T)

    • Energi (E)

  • Koreksi Baseline: Otomatis/manual

  • Pengaturan Panjang Gelombang: Otomatis via software

  • Antarmuka: Port RS-232 untuk koneksi ke komputer

6. Sampel dan Kuplet

  • Holder Kuplet: Standar 10 mm (kompatibel dengan kuplet 1–100 mm)

  • Volume Sampel Minimum: ~0.5 mL (untuk kuplet 10 mm)

7. Display dan Kontrol

  • Tampilan: LCD dengan antarmuka pengguna sederhana

  • Tombol Operasi: Keypad untuk input parameter

8. Dimensi dan Berat

  • Dimensi: 450 mm (W) × 380 mm (D) × 220 mm (H)

  • Berat: ~15 kg

9. Persyaratan Daya

  • Sumber Daya: AC 100–240 V, 50/60 Hz

  • Daya: ~150 W

10. Lingkungan Operasi

  • Suhu: 15–35°C

  • Kelembapan: 20–80% RH (non-kondensasi)

11. Aplikasi

  • Analisis kuantitatif (DNA, protein, kimia)

  • Kontrol kualitas (farmasi, makanan)

  • Pendidikan dan penelitian

12. Aksesori Standar/Opsional

  • Software UV Solutions untuk analisis data

  • Printer eksternal

  • Kuplet berbagai ukuran

  • Sel aliran untuk analisis kontinu

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