This Mini Phosphate meter for low ranges will give you direct readings in ppm. 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 ppm  (PO4)
• Resolution : 0.01 ppm
• Accuracy: +/- 0.04 ppm
• Deviation: +/- 0.01 ppm
• Method: Adaptation of adaptation of Ascorbic Acid Method
• Light Source: LED 525 nm
• Battery: 1 x 1.5V AAA (included_
• Auto-off after 3 minutes of non-use and 2 minutes are reading