This user-friendly Colorimeter will give you direct readings in mg/L. Phosphates are present in natural waters and at concentrations typically found, do not pose any specific health threats to humans. However, excessive contamination of water courses from agricultural fertilizer run off or wastewater/effluent discharge can promote excessive algae or plant growth.

Features & Specifications:

• Range: 0.00 to 2.50 mg/L  (PO4)
• Resolution : 0.01 mg/L
• Accuracy: +/- 0.04 mg/L at 1.00 mg/L
• Method: Adaptation of adaptation of Ascorbic Acid Method
• Light Source: Tungsten Lamp
• Light Detector: Silicone photocell and 610 nm narrow band interference filter
• Operating Environment: 0°C to +50°C, Max. 100% RH
• Battery: 1 x 9V
• Auto-off after 10 minutes of non-use
• Supplied complete with 2 cuvettes, powder reagents for 100 tests, hard carrying case, wiping tissue, 9V battery and instructions