Check the listing for details. ATAGO Official Site "Pocket" Potassium Phosphate Refractometer PAL-70S. Condition: New. Listed at 370.00 USD. PAL-70S is suitable to measure the concentration of Potassium phosphate/water solution.SpecificationsModelPAL-70SCat.No.4470ScalePotassium phosphateRange0.0 to 15.0%Accuracy±0.3%Temperature compensation10 to 40ﾟCGreeting! Thank you for visiting ATAGO official site. We are a leading company of Refractometers since 1940s in JAPAN. We have established our reputation as a trusted brand and enjoys the fullest confidence of end-users not only in Japan but also in 154 countries worldwide. We guarantee...Proudly Made in Japan ProductsFactory Direct Speedy DeliveryQualityDurabilityCustomer SatisfactionGood packing Payment: Paypal OnlyShipment: FedexEstimated Delivery time: 1-2weeks Please feel free to ask any questions. We are available from 9:00-17:30 in Japan time