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Ships within 48 hours · Estimated delivery Jul 27 - Aug 1
From –76 to 32F: +/- 1 degree F +/- 0
Individual packets to easily clean a probe shaft
and button cell battery providing at least 40 hours of continuous use
0°C~500°C: ±2
Relative Humidity Engineering Notes:
Salt Refractometer with ATC - 0 to 100 PPT Nebo From –76 to 32F: +/-Sper Scientific portable refractometers work in ambient light with no battery or other power source necessary. Features Automatic Temperature Compensation (ATC), which makes manual temperature corrections unnecessary. Double scale in parts per thousand and specific gravity. Measures salt content in sea water, breeding ponds, or pickling brines and other applications. While the scale is calibrated for sodium chloride, it can also be used for calcium
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