Continuous PH meter (to fix to the wall)
- Range 0.0 to 14.0 pH
- Manual 2-point calibration
- Visual ALARM with manual selection of the set point
- PH probe (MA911B2) with 2 m Bnc cable
- 12VDC adapter.
If you want to make exact measurements. You will need to adjust the meter at least once a month. depending on its use, after a battery change or a time without using it.
It's very easy, you just have to introduce it into this calibrating solution and after a few seconds. check that the meter reads 1.41 ms / cm. otherwise you will have to calibrate it.
It can be manual. usually by turning a small screw until it returns to the reference value Ec. or automatic.
If you want to get the most out of your plants and take advantage of the effectiveness of your fertilizers in each watering, do not stop controlling the EC.
It is presented in a 20 ml sachet ready for use.