To calibrate your meters in compliance with local, state and federal regulations, use the Traceable A2LA Conductivity Standard. The solution can be used with most conductivity meters in order to keep them operating at their best.
| Catalog Number | 4574 | 4570 | 4566 | 4568 | 4569 | 4562 |
| Range Micro(mhos/siemens) | 1 | 5 | 100 | 10,000 | 100,000 | 200,000 |
| Volumn | 16 oz | 16 oz | 16 oz | 16 oz | 16 oz | 16 oz |
| Megohms | 1 | 0.2 | 0.01 | 0.0001 | 0.00001 | 0.000005 |
| TDS/PPM | 0.66 | 3.3 | 66 | 6666 | 66666 | 133333 |





