US$ 49.90
The fully adjustable relay control is set by the user to automatically stop a pump or valve if the level rises above the setting
Why Calibrate Regularly
The pump offers a maximum pressure of 1
and refillable electrode maintenance
Bluelab Mixed Calibration Solution Sachets – Box of 30 (pH 4.0, pH 7.0, EC 2.77 & KCl) pH meter case The fully adjustable relay controlAn easy way to keep your pH and EC probes or pens accurate and working at their best Features: Easy to open single use sachets of calibration and storage solutions Quick tear open sachets are suitably sized for on the go calibration and probe storage Contains 30x 18 ml 0. 6 fl. oz. sachets Mixed includes 10x pH 4. 0, 10x pH 7. 0, 5x 2. 77 EC, 5x KCl Storage (MIX18B) Bluelab Solution Sachet 30 box delivers four essential calibration solutions in
US$ 49.90
US$ 89.90
US$ 34.90
US$ 89.00
US$ 85.90
US$ 55.90
US$ 79.00