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Hach DR4900 Precision Lab Spectrophotometer

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The Hach DR4900 is a high-performance laboratory spectrophotometer designed to deliver accurate, reliable, and efficient water quality analysis across a wide range of applications. Featuring a wavelength range of 320 to 1100 nm, advanced reference beam optics, and over 240 pre-programmed analytical methods, the DR4900 provides laboratories with a versatile solution for routine testing, regulatory compliance, and research applications.

Designed for ease of use, the DR4900 incorporates a large touchscreen interface, automatic wavelength calibration, and intuitive workflows that simplify analytical procedures while reducing operator error. Its compatibility with Hach TNT+ reagent systems and support for custom methods make it suitable for both standardized testing and specialized laboratory requirements. Whether used for municipal water monitoring, industrial process control, environmental testing, or research and development, the DR4900 delivers dependable performance and consistent results.

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Description

The Hach DR4900 is a high-performance laboratory spectrophotometer designed to deliver accurate, reliable, and efficient water quality analysis across a wide range of applications. Featuring a wavelength range of 320 to 1100 nm, advanced reference beam optics, and over 240 pre-programmed analytical methods, the DR4900 provides laboratories with a versatile solution for routine testing, regulatory compliance, and research applications.

Designed for ease of use, the DR4900 incorporates a large touchscreen interface, automatic wavelength calibration, and intuitive workflows that simplify analytical procedures while reducing operator error. Its compatibility with Hach TNT+ reagent systems and support for custom methods make it suitable for both standardized testing and specialized laboratory requirements. Whether used for municipal water monitoring, industrial process control, environmental testing, or research and development, the DR4900 delivers dependable performance and consistent results.

Key Benefits

  • Wide wavelength range for diverse analytical applications
  • High measurement accuracy and repeatability
  • Over 240 pre-programmed methods for rapid testing
  • User-friendly touchscreen operation
  • Large onboard data storage capacity
  • Compatible with multiple cuvette formats
  • Designed for regulatory compliance and quality assurance programs
  • Robust optical system for long-term measurement stability

Hach DR4900 Applications

The Hach DR4900 is suitable for the analysis of numerous water quality and chemical parameters, including:

  • Ammonia
  • Nitrate and Nitrite
  • Phosphate
  • Chlorine (Free and Total)
  • Sulphate
  • Iron
  • Manganese
  • Copper
  • Chromium
  • Chemical Oxygen Demand (COD)
  • Total Organic Carbon (TOC) screening
  • Alkalinity
  • Color
  • Turbidity verification
  • Heavy metals and trace elements using approved methods

The instrument can be used for both routine monitoring and advanced analytical testing where precise spectrophotometric measurements are required.

Water and Wastewater Treatment

The DR4900 is widely used by municipal water authorities and wastewater treatment facilities for monitoring drinking water quality, treatment efficiency, discharge compliance, and environmental reporting.

Environmental Laboratories

Environmental testing laboratories utilize the DR4900 for surface water, groundwater, stormwater, and effluent analysis to support environmental monitoring and regulatory compliance programs.

Industrial Manufacturing

Manufacturers rely on the DR4900 for process water monitoring, cooling water analysis, boiler water treatment, and wastewater management across a range of industrial operations.

Food and Beverage

Food and beverage producers use the DR4900 to monitor water quality throughout production processes, helping maintain product quality and compliance with hygiene standards.

Power Generation

Power stations use spectrophotometric analysis to monitor boiler feedwater, condensate systems, cooling circuits, and wastewater streams to optimize plant performance and protect critical assets.

Mining and Resources

Mining operations utilize the DR4900 for water management programs, environmental monitoring, process water control, and regulatory reporting requirements.

Pharmaceutical and Life Sciences

Laboratories in pharmaceutical manufacturing and research environments use the DR4900 for quality control testing, water system monitoring, and analytical support applications.

Research and Educational Institutions

Universities, research centers, and scientific laboratories use the DR4900 for teaching, environmental studies, chemical analysis, and method development projects.

Why Choose the Hach DR4900

The Hach DR4900 combines advanced optical performance, intuitive operation, and extensive analytical capabilities in a single laboratory instrument. Its ability to support a wide range of water quality and chemical testing applications makes it an ideal choice for laboratories seeking reliable results, improved workflow efficiency, and long-term analytical confidence.

Specifications

Parameter Specification
Instrument Type Laboratory Spectrophotometer
Wavelength Range 320 – 1100 nm
Wavelength Resolution 1 nm
Spectral Bandwidth 5 nm
Wavelength Accuracy ±1.5 nm
Wavelength Repeatability ±0.1 nm
Wavelength Selection Automatic, procedure-based
Optical System Spectral reference beam
Light Source Tungsten halogen lamp
Photometric Range ±3.0 Abs (340–900 nm)
Photometric Accuracy 5 mAbs (0.0–0.5 Abs); 1% (0.5–2.0 Abs)
Photometric Linearity <0.5% up to 2 Abs; ≤1% above 2 Abs
Stray Light <0.1% T at 340 nm with NaNO₂
Scan Speed ≥8 nm/s (1 nm increments)
Measurement Modes Transmittance (%T), Absorbance (Abs), Concentration
Preprogrammed Methods >240
User Programs >100
Data Storage >10,000 results with date, time, sample ID and user ID
Cuvette Compatibility Rectangular: 10 mm, 50 mm, 1 in; Round: 13 mm, 1 in
Display 10 in (25.4 cm) touchscreen
Interfaces USB Type-A, USB Type-C, Ethernet
Power Supply 100–240 VAC, 50/60 Hz
Dimensions (W × H × D) 255 × 226 × 344 mm
Weight 4.8 kg
Operating Temperature 10–40 °C
Storage Temperature –40 to 60 °C
Operating Humidity Max. 80% RH, non-condensing
Maximum Altitude 2,000 m
Ingress Protection IP20
Protection Class Class I
Pollution Degree 2
Certifications CE, UKCA, CMIM, FCC, ISED, UL, CSA
Warranty 24 months

Downloads

Product Brochure: Hach DR4900 Spectrophotometer Brochure
Product Brochure: Hach DR3900 versus DR4900 Model
Product Brochure: Hach DR4900 Chemistry Tests Brochure
Product Brochure: Bringing Effortless Accuracy to Your Lab

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