Seawater salinity refractometer portable handheld meter atc salinometer The product is shipped based on the color or size of the main image of the product page. Features: With highly efficient and accurate, the salinometer has measuring range of 0~199.9ppt and +/- 2%F.S accuracy. Lightweight and portable, its high precision LCD displays the measurement result clearly. The simple designed salinity meter is easy to operate, and measure your water quality within seconds. Easy to calibrate with the included small screwdriver. For measuring water quality in pools and aquariums, widely use in the industrial areas, agricultural production and marine aquaculture industry, etc. Specifications: Material: ABS; Range: 0~199.9ppt; Resolution: 0.1ppt; Accuracy: 2%F.S; Power Supply: 4 * LR44 button battery (NOT included); Temperature Compensation: 0~50C; Operating Temperature: 0~50C; Item Size: 165 * 50 * 28mm / 6.49 * 1.97 * 1.10in; Item Weight: 56g / 1.97oz; Package Weight: 133g / 4.69oz; Package Size: 25 * 10.5 * 5cm / 9.84 * 4.13 * 1.97in; Package List: 1 * Salinity Meter; 1 * Slotted Screwdriver; 1 * Manual Manual