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The Palm Abbe wine refractometer automatically calibrates itself to water and is ready to use in seconds
2351 Scale range Brix 0
repeatable readings of honey moisture content
Hanna HI 723 Checker High Range Chromium VI Photometer HI723 Laxco Refractometer we provide solutions at rockItem Description: Brand New Hanna Instruments HI 723 CheckerHC Chromium VI HIGH RANGE Photometer 0 999ppb Reagents NOT Included FINALLY! A SIMPLE HIGH RANGE CHROMIUM VI TEST! HI 723 CheckerHC Handheld Colorimeter Chromium VI High Range Specs: Range 0 to 999 ppb Resolution 1 ppb Accuracy @ 25C 5% of reading 5 ppb Light Source LED @ 525 nm Light Detector silicon photocell Environment 0 to 50C (32 to 122F); RH max 95% non condensing Battery Type (1) 1.