Waterproof Portable pH/ORP/Temp Meter AD131

Model: AD131 Brand: Adwa Instruments Origin: Hungary pH Range: –2.00 to 16.00 pH Temperature Range: –20°C to 120°C (–4°F to 248°F) pH Calibration Points: Up to 7 buffers (1.68, 4.01, 6.86, 7.01, 9.18, 10.01, 12.45) Power Supply: 4 × 1.5V AA alkaline batteries Warranty: 1 Year (excluding electrode)