The Essentials pH meter is a durable meter which is drop and splash resistant and will float if dropped in a tank. It will deliver an accurate reading at the push of a button in approximately 20 seconds and features a lit screen for those hard to see in places.
It will last between 1-3 years depending on usage and care. The Essentials meter is easy to calibrate and will also shut off automatically when not in use. Calibrate all meters regularly.