HM Digital C342 TDS and EC Calibration Solution, 342 ppm (NaCl), 90 ml Volume
- NaCl calibration solution, available in 342 ppm or 1000 ppm.
- Comes in lightweight HDPE plastic bottles.
- Use the HM Digital TDS Calibration Solution (342 PPM) to periodically re-calibrate your HM Digital TDS meter or HM Digital Water Quality Tester.
- This HM Digital TDS Calibration Solution is also known as Water Tester Solution andTDS Meter Calibration Solution.