1. Produk Lebihview
The Hach DR1900 Portable Spectrophotometer is a compact, lightweight, and rugged instrument designed for accurate water quality analysis in various field conditions. It features over 220 preprogrammed methods and a wide wavelength range of 340-800 nm, offering laboratory-grade results in a portable format.
Rajah 1: Depan view of the Hach DR1900 Portable Spectrophotometer, showing its display and control buttons.
Ciri-ciri Utama:
- mudah alih: Easy to hold and operate, making it an ideal tool for field technicians. It is designed to be one of the lightest and smallest spectrophotometers available.
- Ketepatan: Performs tests with a wavelength range of 340 to 800 nm, providing results typically associated with laboratory instruments.
- Kekasaran: Built to withstand demanding field conditions, featuring a large, clear screen and a simple user interface for ease of use.
- Aplikasi Serbaguna: Suitable for analysis of groundwater, influent for wastewater, municipal water, nutrient monitoring, primary treatment, QA/QC lab, secondary treatment, and surface water.
- Komponen yang Disertakan: The package includes the portable spectrophotometer, a printed basic instrument manual, a dust cover, 1-inch square matched glass sample cells, 4 AA alkaline batteries, and a four-type adapter set.
2. Persediaan dan Operasi Awal
2.1 Membongkar dan Pemeriksaan
Carefully unpack all components from the packaging. Verify that all items listed in the "Included Components" section are present and undamaged. If any items are missing or damaged, contact Hach customer support immediately.
Figure 2: The Hach DR1900 Spectrophotometer with its included accessories, such as sample cells and manual.
2.2 Pemasangan Bateri
- Cari petak bateri di belakang instrumen.
- Buka penutup petak bateri.
- Insert the four AA alkaline batteries, ensuring correct polarity as indicated inside the compartment.
- Tutup penutup petak bateri dengan selamat.
2.3 Menghidupkan/Mematikan
To power on the DR1900, press and hold the power button (usually marked with a circle and vertical line) until the display illuminates. To power off, press and hold the power button again until the display turns off.
3. Arahan Operasi
3.1 Menavigasi Antara Muka
The DR1900 features a user-friendly interface with a clear screen and intuitive navigation buttons. Use the arrow keys to scroll through menus and options, and the 'OK' or 'Enter' button to select. The 'Back' or 'Escape' button allows you to return to the previous screen.
3.2 Performing a Measurement
- Select Method: From the main menu, navigate to "Preprogrammed Methods" and select the desired water quality parameter (e.g., Chlorine, Ammonia).
- Sediakan Sample: Follow the specific instructions for the selected method to prepare your water sample and reagent. Ensure the sample cell is clean and free of fingerprints.
- Insert Blank: Insert a blank sample (distilled water or specified reagent) into the sample compartment. Close the lid.
- Zero Instrument: Press the 'Zero' button on the instrument. The display will show "0.00" or similar, indicating the instrument has been zeroed.
- Insert Prepared Sample: Remove the blank and insert your prepared sample ke dalam sample compartment. Close the lid.
- Baca Pengukuran: Press the 'Read' button. The instrument will perform the measurement and display the result.
Figure 3: A user holding the Hach DR1900 Spectrophotometer, demonstrating its portability for field use.
Figure 4: A user performing a water quality test with the Hach DR1900 Spectrophotometer in an outdoor environment, highlighting its rugged design.
Figure 5: A user utilizing the Hach DR1900 Spectrophotometer for water quality analysis in an industrial or laboratory setting.
4. Penyelenggaraan
4.1 Membersihkan Instrumen
Regularly clean the exterior of the DR1900 with a soft, damp cloth. Do not use abrasive cleaners or solvents. For the sample compartment, use a lint-free cloth to gently wipe away any spills or dust. Ensure the sample cells are always clean and free of scratches or fingerprints for accurate readings.
4.2 Penyimpanan
When not in use, store the DR1900 in a cool, dry place, away from direct sunlight and extreme temperatures. Use the provided dust cover to protect the instrument from dust and debris.
4.3 Penggantian Bateri
Replace batteries when the low battery indicator appears on the display. Always replace all four AA batteries simultaneously with new, high-quality alkaline batteries.
5. Penyelesaian masalah
| Masalah | Kemungkinan Punca | Penyelesaian |
|---|---|---|
| Instrumen tidak boleh dihidupkan. | Bateri mati atau tidak dipasang dengan betul. | Check battery polarity; replace with new AA alkaline batteries. |
| Bacaan tidak tepat atau tidak konsisten. | Kotor sample cells, incorrect sample preparation, instrument not zeroed correctly. | Bersih sample cells thoroughly; re-read method instructions for sample preparation; re-zero the instrument. |
| Paparan menunjukkan mesej ralat. | Specific error condition (e.g., light path blocked, out of range). | Refer to the detailed instrument manual for specific error code explanations and remedies. Ensure sample compartment lid is closed. |
For issues not covered here, please consult the comprehensive user manual provided with the instrument or contact Hach technical support.
6. Spesifikasi Teknikal
| Ciri | Perincian |
|---|---|
| Nombor Model | DR1900-01H |
| Julat Panjang Gelombang | 340-800 nm |
| Preprogrammed Methods | Lebih 220 |
| Sumber Kuasa | 4 Bateri Alkali AA |
| Dimensi (Pakej) | 16.3 x 15 x 14.02 inci |
| Berat (Item) | 3.31 paun |
| Pengeluar | HATI |
7. Waranti dan Sokongan
For detailed warranty information, please refer to the warranty card included with your Hach DR1900 Portable Spectrophotometer or visit the official Hach webtapak. Syarat jaminan biasanya meliputi kecacatan pembuatan untuk tempoh tertentu dari tarikh pembelian.
For technical support, service, or to order replacement parts, please contact Hach customer service. Contact information can usually be found in the full user manual or on the Hach website. When contacting support, please have your instrument's model number (DR1900-01H) and serial number ready.
You can visit the official HACH Store for more information: HACH Store on Amazon.
