SPER Scientific Meters Large Display Sal

SPER Scientific Salinity Pen, 6-1/2 X 1-1/2 X 1-1/2 In, 0 To 70 Ppt Salinity Range, -0 To 50c/-32 To 122f Range, Large Lcd Display, Four Button Cell Batteries, 68g Weight, With Built-In Probe With Protective Cap, Simple One Hand Operation, Simultaneously Displays The Parameter Being Measured And Temperature In C/F, Features Automatic Temperature Compensation, 2 Point Calibration, Hold Function, Auto Power Off And Low Battery Indicator - SPER