Application Note: Number AN2
Common Calibration Tables
This document is a quick reference to commonly used Calibration Tables.
Conductivity K=0.1 @ 25°C
| CALIBRATION POINT |
INPUT SIGNAL (OHMS) |
DISPLAY SCALING (uS/cm) |
| NULL |
Open Circuit |
0 |
| CAL 1 |
10K |
10 |
| CAL 2 |
100R |
1000 |
| Check |
200R |
500 |
pH @ 25°C
| CALIBRATION POINT |
SIGNAL INPUT (VOLTS) |
DISPLAY SCALING (pH) |
| CAL 1 |
.4141V |
0.00 |
| CAL 2 |
-.4141V |
14.00 |
| Check |
0V |
7.00 |
PT100
| CALIBRATION POINT |
SIGNAL INPUT (OHMS) |
DISPLAY SCALING (°C) |
| CAL 1 |
100R |
0 |
| CAL 2 |
138.5R |
100 |
| Check |
119.399R |
50 |
PT1000
| CALIBRATION POINT |
SIGNAL INPUT (OHMS) |
DISPLAY SCALING (°C) |
| CAL 1 |
1000R |
0 |
| CAL 2 |
1375R |
100 |
| Check |
1189.005R |
50 |
LM335
| CALIBRATION POINT |
SIGNAL INPUT (VOLTS) |
DISPLAY SCALING (°C) |
| CAL 1 |
2.7315V |
0 |
| CAL 2 |
3.7315V |
100 |
| Check |
3.2315V |
50 |
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