BlueLab PPM Pen Broad Spectrum Insecticide the Atlas 9 is a

the Atlas 9 is a grower's dream

It is designed for air-cooling and can be used in different forms of heating and ventilation applications

These pumps are extremely energy efficient

Say goodbye to stagnant

BlueLab PPM Pen Broad Spectrum Insecticide the Atlas 9 is aMeasures 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. Units: EC, 500 ppm, 700ppm, C, F. Range: 0. 010. 0 EC, 05000 ppm (500 ppm), 07000 ppm (700 ppm) and 050C 32122F. Resolution: 0. 1 EC, 10 ppm (500 ppm), 10 ppm