Setpoint range: 3

SE520 conductivity probe with 1 m (3

Specialized for the direct pH measurement of soil

Particularly valuable for sensitive reef systems where pH stability is critical

GroLine pH 7.01 Calibration Buffer (230 mL) Santevia MINA Setpoint range: 3HI7007 023 is a high quality pH 7. 01 calibration buffer that is NIST traceable and supplied with a Certificate of Analysis. Hanna calibration buffers have the lot number and expiration date clearly marked on the label and are air tight with a tamper proof seal to ensure the quality of the solution. Hanna's line of technical calibration buffers have been specially formulated to have an expiration of 5 years from the date of manufacture for an unopened