Model:

PAT-PL 500 pH/mV/Temp Meter
PAT-PL 500R pH/mV/Temp/RS 232

Feature:

1. Microprocessor based with splash proof housing.
2. Simultaneous display pH and Temperature.
3. Automatic or manual temperature compensation.
4. Simple to calibrate by one keyboard for 5 points buffer.
5. Calibration value can be adjusted as needed. °C/°F switchable
6. Indicate percentage of slope (PTS) after calibration.
7. Memory stores/recalls up to 20 points. Min/Max storage and recall
8. Auto shut off after 10 minutes of non use.
9. Backlight for operating conveniently anytime.
10. RS-232 output for capturing data on PC directly. (PL-500R only)

datasheet