Bluelab PPM Pen
Bluelab PPM Pen at HorticultureSource.com -
Bluelab PPM Pen Measures conductivity and temperature. Selectable units for conductivity and temperature. Backlit LCD display with low battery warning. Successful calibration indicator and calibration is optional. Fully waterproof. Auto off function and hold reading function. Automatic temperature compensation. Loop handle for easy dipping and hanging. Units: EC, 500ppm, 700ppm, ˚C, ˚F. Range: 0.0 - 10.0 EC, 0-5000ppm (500ppm), 0-7000ppm (700ppm) and 0-50 ˚C/32 -122 ˚F. Resolution: 0.1 EC, 10ppm (500ppm), 10ppm (700ppm) and 1 ˚C/1 ˚F. Accuracy @ 25°C: ±0.1 EC (@ 2.77 EC), ±50ppm (500ppm) (@ 1385ppm), ±70ppm (700ppm) (@ 1940ppm) and ±1 ˚C / ±2 ˚F. Battery type: 1 x AAA alkaline. 1 year Bluelab® guarantee. MSRP: $89.95