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Measure your water and grounds before you brew
Red Sea’s Refractometer display
The difference between the readings is due solely to the calibration temperature which is used to set the scale for the instrument
even in dim light
We at HANNA® have always valued the comments and suggestions coming from our customers
MILWAUKEE INSTRUMENTS MA887 Digital Seawater Refractometer, MA887 REFURBISHED Drs Foster and Smith Measure your water and groundsItem Description: MILWAUKEE INSTRUMENTS MA887 Digital Refractometer for Seawater Measurements REFURBISHED SPECIFICATIONS Range 0 to 50 PSU 0 to 150 ppt 1. 000 to 1. 114 S. G. (20 20) 0 to 80C 32 to 175F Resolution 1 PSU 1 ppt 0. 001 S. G. (20 20) 0. 1C 0. 1F Accuracy 2 PSU 2 ppt 0. 002 S. G. (20 20) 0. 3C 0. 5F Light Source Yellow LED Measurements Time Approximately 1. 5 seconds Minimum Sample Volume 100 L (cover prism totally) Sample Cell SS ring and
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