SPER Scientific New Improved Do/Multi Pa

SPER Scientific Measures Dissolved Oxygen To Determine Water Quality In Environmental Testing, Labs, Industrial And Municipal Waste Water, Aquariums And Fish Hatcheries.; Do Meter With Automatic Temperature Compensation As Well As Manual Compensation For Salinity And Altitude (All Factors Directly Affecting Do Readings). Simultaneously Displays Dissolved Oxygen (In % Or Mg/L) And Temperature Readings (In °C Or °F). Review 99 Data Points Readings Directly On The Large Backlit Lcd. Features Simple One-Button Calibration To Air. The Electrolyte Level Is Visible Through The Transparent Galvanic Probe With Built-In Temperature Sensor. Do Probe Heads Include Built In Membranes And Screw On And Off For Easy Replacement. Also Functions As A Ph And Conductivity Meter When Used With The Optional Probes. Comes In A Hard Carrying Case Complete With Pb (Lead) Free Galvanic Do Probe With 9 Cable, 2 Spare Probe Heads With Membranes Installed, Electrolyte And 4 Aaa Batteries. - SPER