HACH DR900 Handheld Colorimeter
The HACH DR900 is a portable handheld colorimeter designed for precise water quality analysis in field and laboratory environments. This robust instrument features advanced optical technology and comprehensive measurement capabilities for industrial and environmental applications.
Instrument Specifications
| Parameter |
Specification |
| Model |
DR 900 Portable Handheld Colorimeter |
| Manufacturer |
Hach Company, Loveland, CO |
| Optical System |
0/180° Transmittance |
| Light Source |
LED (Light Emitting Diode) |
| Detector |
Silicon Photodiode |
| Display |
Graphical Backlit, 240x160 pixels |
| Enclosure Rating |
IP67 (with vial cover closed) |
Wavelength Performance
| Parameter |
Specification |
| Wavelength Range |
420, 520, 560, 610 nm (Fixed wavelengths) |
| Accuracy |
±1 nm |
| Selection |
Automatic (based on method selection) |
| Bandwidth |
15 nm (Filter bandwidth) |
Photometric Performance
| Parameter |
Specification |
| Measurement Range |
0-2 Abs |
| Accuracy |
±0.005 Abs @1.0 Abs nominal; ±0.03 Abs |
| Linearity |
±0.002 Abs (0-1 Abs range) |
| Repeatability |
±0.002 Abs (0-1 Abs range) |
| Reading Modes |
Transmittance (%), Absorbance, Concentration |
Analytical Capabilities
- 90 Pre-Programmed Methods for water quality parameters
- 10 User Programs for custom calibration curves
- 500 Record Data Storage (GLP-compliant: result, date, time, sample ID, user ID)
Physical Specifications
| Parameter |
Specification |
| Dimensions (H*W*D) |
231*96*48 mm |
| Weight |
0.6 kg (with batteries) |
| Cell Compatibility |
1-inch round; 16 mm round (with adapter); 1 cm rectangular |
Power & Environmental
| Parameter |
Specification |
| Battery Type |
4*AA Alkaline |
| Battery Life |
6 Months (Typical: 5 readings/day, 5 days/week, no backlight) |
| Operating Temperature |
0-50°C (32-122°F) |
| Operating Humidity |
≤90% (Non-condensing) |
| Storage Temperature |
-30-60°C (-22-140°F) |
| Storage Humidity |
≤90% (Non-condensing) |
Connectivity
Mini-USB interface for data transfer and connectivity