HACH DR 3900 Laboratory Spectrophotometer | 320–1100 nm | Water & Wastewater Analysis | Color Touchscreen
Description
HACH DR 3900 SPECTROPHOTOMETER
Smart Technology. Consistently Accurate Results.
The HACH DR 3900 is a laboratory-grade visible-spectrum spectrophotometer designed for reliable and repeatable water analysis. It combines a broad 320–1100 nm wavelength range, automatic wavelength selection, a color touchscreen interface and a large library of pre-programmed water-analysis methods.
Key Features
- Visible-spectrum spectrophotometer: 320–1100 nm
- Split/reference-beam optical system for stable measurements
- 7-inch TFT color touchscreen with 800 × 480 WVGA resolution
- Automatic wavelength calibration and selection
- Over 220 pre-programmed water-analysis methods; the current Hach India specification lists more than 240 methods for the non-RFID configuration.
- 100 user-programmable methods
- Measures transmittance, absorbance and concentration, with wavelength scanning
- Compatible with multiple sample cell formats
- 2,000-result data storage including result, date, time, sample ID and user ID
- USB and Ethernet connectivity
- Available in configurations with or without RFID technology
- Designed for routine laboratory water and wastewater analysis
Technical Specifications
| Specification | Details |
|---|---|
| Product | HACH DR 3900 Spectrophotometer |
| Instrument Type | Benchtop Visible-Spectrum Spectrophotometer |
| Wavelength Range | 320–1100 nm |
| Wavelength Resolution | 1 nm |
| Wavelength Accuracy | ±1.5 nm, 340–900 nm |
| Wavelength Reproducibility | ±0.1 nm |
| Spectral Bandwidth | 5 nm |
| Wavelength Calibration | Automatic |
| Wavelength Selection | Automatic |
| Optical System | Spectral reference beam |
| Light Source | Gas-filled tungsten lamp |
| Photometric Range | ±3.0 Abs, 340–900 nm |
| Photometric Accuracy | 5 mAbs at 0.0–0.5 Abs; 1% at 0.5–2.0 Abs |
| Photometric Linearity | <0.5% up to 2 Abs |
| Stray Light | <0.1% T at 340 nm with NaNO₂ |
| Display | 7-inch TFT color touchscreen |
| Display Resolution | 800 × 480 pixels (WVGA) |
| Data Storage | 2,000 measured values |
| User Programs | 100 |
| Pre-programmed Methods | 220+ / configuration-dependent |
| Operating Modes | Transmittance, Absorbance, Concentration, Scanning |
| Sample Cell Compatibility | 10 mm, 50 mm and 1-inch rectangular; 13 mm, 16 mm and 1-inch round |
| Beam Height | 10 mm |
| Interfaces | 2 × USB Type-A, USB Type-B, Ethernet; RFID on applicable version |
| Operating Temperature | 10–40°C |
| Storage Temperature | Up to approximately −40 to 60°C, configuration/specification dependent |
| Enclosure Rating | IP40 |
| Power Supply | 110–240 V AC, 50/60 Hz, external supply |
| Dimensions (H × W × D) | 151 × 350 × 255 mm |
| Weight | 4.2 kg |
Specifications are based on Hach's current product information; exact accessories, warranty and RFID features can vary by configuration/part number.
Water Analysis Applications
The DR 3900 is designed for a wide range of laboratory water and wastewater testing applications, including:
- Ammonia
- COD
- Phosphate
- Nitrate
- Nitrite
- Chlorine
- Chloride
- Alkalinity
- Aluminum
- Bromine
- Boron
- Iron
- Manganese
- Sulphate
- Silica
- Total nitrogen
- Total phosphorus
- And many other Hach water-analysis parameters
Hach specifically positions the DR 3900 for routine laboratory water analysis and provides extensive pre-programmed methods for water-quality testing.
Smart Data Management
The instrument can store up to 2,000 measurement records, including the measurement result, date, time, sample ID and user ID. USB and Ethernet interfaces support convenient data transfer and laboratory workflow integration.
RFID Technology – Applicable Models
The RFID-equipped version provides additional workflow functionality for Hach TNTplus chemistry, including method identification, sample identification and certificate-of-analysis information. Hach also offers the DR 3900 without RFID technology.
Compatible Sample Cells
The DR 3900 supports a variety of cell formats, including:
- 10 mm rectangular cells
- 50 mm rectangular cells
- 1-inch rectangular cells
- 13 mm round cells
- 16 mm round cells
- 1-inch round cells
This flexibility makes the instrument suitable for different Hach test methods and sample volumes.
What's Included
Depending on the selected configuration, the standard package can include:
- HACH DR 3900 Spectrophotometer
- Adapter for 1-inch round and 1 cm rectangular/AccuVac cells
- Sample cells as applicable to the configuration
- Light shield
- Dust cover
- User documentation/manual
- External benchtop power supply
- Power cords
Please verify the exact contents against the selected HACH part number before purchase, as package contents differ between configurations.
Ideal For
Water Testing Laboratories | Wastewater Treatment Plants | Drinking Water Laboratories | Environmental Laboratories | Industrial Water Treatment | Research Laboratories | Municipal Water Testing | Food & Beverage Water Analysis | Pharmaceutical Utilities | Chemical Industries
Shipping Info
We partner with premium logistics networks via Shiprocket to ensure your laboratory instruments and chemical indicators arrive safely, securely, and professionally packaged. Shipping timelines depend on the transit tier selected at checkout.
National Deliveries (Within India)
- Rush Delivery: Less than 2 business days
- Express Delivery: 2 to 5 business days
- Standard Delivery: Greater than 5 business days.