Hach DR1900 Portable Spectrophotometer
The Hach DR1900 Portable Spectrophotometer is one of the most advanced portable spectrophotometers designed for professional water quality analysis. Manufactured by Hach Official Website, this lightweight and rugged device combines laboratory-level precision with field portability, making it ideal for environmental testing, wastewater treatment, industrial water analysis, groundwater monitoring, and municipal water quality control.
Built with advanced optical technology and a spectral wavelength range of 340–800 nm, the DR1900 delivers accurate absorbance, transmittance, and concentration measurements even in demanding field conditions. Its IP67-rated enclosure protects against dust and water intrusion, ensuring dependable operation in Bangladesh’s industrial and environmental testing environments.
Key Benefits of Hach DR1900
Portable Yet Laboratory Accurate
The DR1900 combines the portability required for onsite testing with the precision expected from laboratory spectrophotometers. Its reference beam spectral optical system enhances measurement reliability for field engineers and water analysts.
Wide Wavelength Range
Supports wavelengths from 340 nm to 800 nm, enabling testing for numerous water quality parameters including:
- Ammonia
- Chlorine
- Nitrate
- Nitrite
- COD
- Phosphate
- Iron
- Manganese
- Fluoride
- Sulfate
- Heavy metals
Rugged IP67 Protection
Designed for harsh industrial and environmental conditions. The IP67 enclosure protects the instrument from water splashes, dust, and challenging field environments.
Over 220 Preprogrammed Methods
The device includes more than 220 preloaded testing methods, reducing manual setup time and improving workflow efficiency for laboratories and water treatment facilities.
Large Backlit Display
The graphical LCD display provides easy operation in low-light field conditions.
Main Features
Advanced Optical System
- Reference beam spectral optics
- Silicon photodiode detector
- Xenon flash lamp
- Automatic wavelength selection
- Automatic wavelength calibration
Portable Field Design
- Lightweight compact structure
- Battery-powered operation
- Durable carrying capability
- Suitable for remote field analysis
Flexible Sample Compatibility
Compatible with:
- 10 mm square cuvettes
- 1-inch square cells
- 13 mm round vials
- 16 mm round vials
Extensive Data Logging
Stores up to 500 measured values including:
- Date
- Time
- Sample ID
- User ID
- GLP-compliant records
Technical Specifications
| Specification | Details |
|---|---|
| Product Model | Hach DR1900 |
| Instrument Type | Portable Spectrophotometer |
| Wavelength Range | 340–800 nm |
| Wavelength Accuracy | ±2 nm |
| Wavelength Reproducibility | ±0.1 nm |
| Optical System | Reference beam spectral |
| Detector | Silicon photodiode |
| Source Lamp | Xenon Flash |
| Photometric Accuracy | ±0.003 Abs |
| Photometric Range | 0–3 Abs |
| Photometric Linearity | <0.5% |
| Display | 240 × 160 graphical LCD |
| Data Logger | 500 records |
| Protection Rating | IP67 |
| User Programs | 50 |
| Preprogrammed Methods | 220+ |
| Power Supply | 4 × AA batteries |
| Weight | 1.5 kg |
| Dimensions | 98 × 178 × 267 mm |
| Interface | Mini USB |
| Operating Temperature | 10–40°C |
| Warranty | 12 Months |
Applications
The Hach DR1900 Portable Spectrophotometer is suitable for:
- Drinking water analysis
- Wastewater treatment plants
- Environmental monitoring
- Groundwater testing
- Surface water analysis
- Industrial process water testing
- QA/QC laboratories
- Municipal water authorities
- Food & beverage water testing
- Pharmaceutical water analysis
Performance Analysis
The DR1900 is recognized for its field reliability and consistent analytical performance. Water treatment professionals frequently prefer spectrophotometer-based testing over probe systems for better repeatability and accuracy in laboratory and wastewater environments. Community discussions also highlight the reliability of Hach spectrophotometer systems for ammonia, nitrate, and phosphorus testing workflows.
The instrument’s reference beam optical system minimizes measurement drift and enhances photometric stability compared to many portable colorimeters.
Why Choose Hach DR1900 in Bangladesh?
Designed for Harsh Field Conditions
Bangladesh’s industrial and environmental testing conditions often involve high humidity and challenging outdoor environments. The DR1900’s IP67-rated enclosure ensures dependable field performance.
Reduced Laboratory Dependency
Portable testing capability reduces the need to transport samples to centralized labs, improving operational speed and reducing contamination risks.
Trusted Global Brand
Hach Corporation is globally recognized for water quality analysis equipment, trusted by municipalities, industries, and laboratories worldwide.
Regulatory Compliance Support
Supports accurate testing required for environmental and industrial compliance standards.
Comparison With Other Portable Spectrophotometers
| Attribute | Hach DR1900 Portable Spectrophotometer |
|---|---|
| Wavelength Range | 340–800 nm |
| Protection Rating | IP67 |
| Preloaded Methods | 220+ |
| Portability | Excellent |
| Field Durability | High |
| Data Logging | 500 Records |
| USB Connectivity | Yes |
| User Programs | 50 |
| Battery Operation | Yes |
| Industrial Use | Excellent |
FAQs
1. What is the wavelength range of the Hach DR1900?
The DR1900 supports a wavelength range of 340–800 nm.
2. Is the Hach DR1900 suitable for wastewater testing?
Yes, it is widely used for wastewater and environmental analysis.
3. Does the DR1900 support field testing?
Yes, it is specifically designed for portable field analysis.
4. What protection rating does the DR1900 have?
The device features an IP67-rated enclosure.
5. How many methods are preprogrammed?
It includes over 220 preprogrammed methods.
6. Is the DR1900 battery operated?
Yes, it uses 4 AA batteries.
7. Can the DR1900 store test results?
Yes, it stores up to 500 measured values.
8. Is USB connectivity available?
Yes, Mini USB connectivity is supported.
9. What industries use the Hach DR1900?
Water treatment, environmental monitoring, industrial QA/QC, and laboratories.
10. Is the DR1900 suitable for groundwater analysis?
Yes, it supports groundwater testing applications.
11. What display does the DR1900 use?
A graphical backlit LCD display.
12. What is the photometric range?
0–3 Abs.
13. Can custom methods be added?
Yes, up to 50 user programs can be created.
14. What is the warranty period?
Typically 12 months depending on region and supplier.
15. Where can I buy Hach DR1900 in Bangladesh?
You can purchase from authorized laboratory equipment suppliers and industrial instrumentation distributors.






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