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Digital-Dairy refractometers can be simply calibrated with water
dehydration skids
the unit retains its water-resistance
OURS WILL HOWEVER
Item Description: Brand New Hanna Instruments HI 758 Checker®HC Calcium Photometer 200-600 ppm(mg/l)
Atago PAL-92S Ethylene Glycol Digital Refractometer Antifreeze Refractometer Digital-Dairy refractometers can be simplyAtago 4492 PAL 92S Digital Hand Held Pocket Double Scale Coolant Refractometer, Special Scale for Ethylene Glycol Freezing Point of Ethylene Glycol (F) REFURBISHED Handheld pocket refractometer for coolant measurement of ethylene glycol concentration 0. 0 to 90. 0% (V V) freezing point of ethylene glycol 32 to 60 degrees F, with a temperature range between 10. 0 to 40. 0 degrees C Automatic temperature compensation (ATC) for immediate and accurate