GroLine pH 7.01 Calibration Buffer (230 mL) silicone grip bottle 12 VDC power supply

12 VDC power supply

and other volatile organic compounds

Calibration: Manual 2-point via offset and slope trimmers

Automated control prevents pH swings that stress or harm fish and other aquatic organisms

no large sample volumes

GroLine pH 7.01 Calibration Buffer (230 mL) silicone grip bottle 12 VDC power supplyHI7007 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