Milwaukee MW105 MAX Waterproof pH/ORP/Temp Portable Meter (MW105)
RANGE: -2.00 to 20.00 pH | ±2000.0 mV | -20.0 to 120.0°C (-4.0 to 248.0°F) RESOLUTION: 0.01pH | 0.1mV | 0.1°C (0.1°F) ACCURACY: ±0.02 ph | ±1mV | ±0.5°C (±1°C outside) |±1°F (±2°F outside) |