1Quality Material: Made of quality ABS material, more sturdy and durable and provide fast accurate measurement. 2Backlight Button: Backlight display, easy to read and does not affect the use in the dark. Salinity is 0~199.9ppt. 3Applicable Scenes: Waterproof grade is IP65, salinity meter tester is suitable for use in high humidity environment. 4Accurate Measurement: Simple operation, economical and practical, and fully meet the testing needs of various industries 5Wide Applications: Widely used in drinking water monitoring, water conditioning, reverse osmosis, cooling towers, wastewater, laboratories, agriculture, aquaculture and aquariums, hydroponics and printing industry, beauty industry. Item Type: Desktop Salinity Meter Model: OW-8425 Material: ABS Color: As Pictures Shown Weight: Approx. 456g/16.1oz Battery: 9V 1 x 6F221 (Not Included) Application: Tap Water, Household Water Purifier, Commercial Water Purifier, Industrial Water Treatment Industry, etc. Basic Parameters: Range: Temperature: 0~100 Salinity: 0~199.9ppt 1 xSalinity Tester 1 xSalinity Probe 1 x Temperature Probe 1 x Screwdriver 1 x Manual