The 1957 Cadillac of portable pH meters. Reads pH and temperature with high resolution, automatic calibration, large digital display, and hold feature.
The 1957 Cadillac of portable pH meters. Range of -2 to 16 pH and 23° to 140°F with 0.01 pH and 0.1°F resolution and +/- 0.05 pH and 1°F accuracy.
Automatic single- or double-point calibration and automatic temperature correction from 23° to 140°F.
Further bells and whistles are a larger digital display than our other meters, auto power-off, repleacable electrode, and a hold feature that allows you to remove the probe from the solution to more easily read the display. Included 1.5V batteries provide approx. 300 hours of use (automatic calibration uses more power than manual calibration). Also includes calibration solution sachets.
Please note that electrodes must be rinsed after use and stored in electrode storage solution to ensure proper function of the meter.
I bought this meter with high hopes. The electrode lasted for exactly one batch and then would not give consistent readings in a known pH solution (i tested samples after cooling, calibrated again, etc). Midwest should stop carrying this product. I even got in touch with the manufacture for warranty service and they were not helpful.
I am very sorry to hear about this. It sounds like you may have received a defective meter. I use this same one and have found it to be very reliable. If you would like a new one, please reply with your order number and I can have that sent out right away. I hope this helps!