EC / PPM Conversion Chart
| EC (mS/cm) | EC (µS/cm) | PPM (0.50) | PPM (0.64) | PPM (0.70) |
|---|---|---|---|---|
| 0.1 | 100 | 50 | 64 | 70 |
| 0.2 | 200 | 100 | 128 | 140 |
| 0.3 | 300 | 130 | 192 | 210 |
| 0.4 | 400 | 200 | 256 | 280 |
| 0.5 | 500 | 250 | 320 | 350 |
| 0.6 | 600 | 300 | 384 | 420 |
| 0.7 | 700 | 350 | 448 | 490 |
| 0.8 | 800 | 400 | 512 | 560 |
| 0.9 | 900 | 450 | 576 | 630 |
| 1.0 | 1000 | 500 | 640 | 700 |
| 1.1 | 1100 | 550 | 704 | 770 |
| 1.2 | 1200 | 600 | 768 | 840 |
| 1.3 | 1300 | 650 | 832 | 910 |
| 1.4 | 1400 | 700 | 896 | 980 |
| 1.5 | 1500 | 750 | 960 | 1050 |
| 1.6 | 1600 | 800 | 1024 | 1120 |
| 1.7 | 1700 | 850 | 1088 | 1190 |
| 1.8 | 1800 | 900 | 1152 | 1260 |
| 1.9 | 1900 | 950 | 1216 | 1330 |
| 2.0 | 2000 | 1000 | 1280 | 1400 |
| 2.1 | 2100 | 1050 | 1334 | 1470 |
| 2.2 | 2200 | 1100 | 1408 | 1540 |
| 2.3 | 2300 | 1150 | 1472 | 1610 |
| 2.4 | 2400 | 1200 | 1536 | 1680 |
| 2.5 | 2500 | 1250 | 1600 | 1750 |