Calibration Check Solution for HI9813-6 (25 x 20 mL Sachets) spl_ps and maximum lumen output

and maximum lumen output

The combination of our natural veganic ingredients makes it almost non-burning even at extremely high doses

Customization options are unlimited

Driver Efficiency at Full Power: 95-96%

Calibration Check Solution for HI9813-6 (25 x 20 mL Sachets) spl_ps and maximum lumen outputHI50021P is a premium quality calibration check solution used exclusively for the HI9813 6 portable pH EC TDS Temp. meter. Each sachet has the lot number and expiration date stamped on it and is made of light block foil ensuring freshness each time one is opened. Hanna's line of solutions have been specially formulated to have an expiration of 5 years from the date of manufacture for an unopened sachet. The HI50021P is for 25 sachets containing 20 mL