HM Digital 1000ppm TDS Calibration Solution Description For optimal performance, re-calibrate your meters periodically or if testing TDS or conductivity levels in wide or different ranges. Features: For optimal performance, re-calibrate your meters periodically or if testing TDS or conductivity levels in wide or different ranges NaCl calibration solution Comes in lightweight HDPE plastic bottles Laboratory quality NIST-traceable solutions Any brand TDS meter can be calibrated to any brand of calibration solution Bottles have a convenient wide mouth, allowing a user to simply insert the meter into a stable bottle Sealed with coated foam liner Product Details: Brand: HM Digital Item Weight: 0.2 Pounds Item Volume: 88.7 Milliliters Package Information: Bottle Item Form: Liquid Manufacturer: ‎HM Digital, Inc. Part Number: ‎C1000 Item Weight: ‎3.2 ounces Product Dimensions: ‎1.3 x 3.3 x 1.3 inches Country of Origin: ‎USA Item model number: ‎716170 Is Discontinued By Manufacturer: ‎No Size: ‎1000ppm, 88.7ml Capacity Color: ‎natural Item Package Quantity: ‎1 Batteries Included?: ‎No Batteries Required?: ‎No Domestic Shipping: Currently, item can be shipped only within the U.S. and to APO/FPO addresses. For APO/FPO shipments, please check with the manufacturer regarding warranty and support issues. International Shipping: This item is not eligible for international shipping. Learn More Date First Available: September 5, 2008