I purchased this to replace a similar meter that costs over four times as much. So far this meter seems to be quite accurate. After adjusting with a 7.0 solution, the 4.0 solution test is spot on as well. After sitting for three weeks or so I tested prior to use and no adjustment was necessary.
I purchased this to replace a similar meter that costs over four times as much. So far this meter seems to be quite accurate. After adjusting with a 7.0 solution, the 4.0 solution test is spot on as well. After sitting for three weeks or so I tested prior to use and no adjustment was necessary.