| Calibration |
Either pH 4.0, 7.0, or 10.0
|
Select up to 3 points
(4.0, 7.0, 10.0)
|
Against appropriate calibrating solutions
Single point
|
One-point,
push-button calibration using buttons inside battery compartment |
| Power & Battery Life |
Three 1.5V batteries (supplied); 24 hrs. continuous use (±720 tests
per battery); Eveready A76BP or equivalent for replacement.
|
Four 1.5V batteries (supplied);
100 hrs. continuous use
|
Four 1.5V
alkaline batteries (supplied); Eveready A76BP, 100 hrs. use; Everready
303, 140 hrs. use |