| OHAUS ST10T-B TDS Meter,Single Line LCD TDS Meter, TDS Range 0 to 1000mg/L, Waterproof Yes, Automatic Temperature Compensation No, Operating Temp. Range (F) 50 Degrees to 104 Degrees , Display Single Line LCD, Auto Power Off Yes, Power Source (4) AG13 Batteries , Manufacturers Warranty... ... more OHAUS ST10T-B TDS Meter,Single Line LCD TDS Meter, TDS Range 0 to 1000mg/L, Waterproof Yes, Automatic Temperature Compensation No, Operating Temp. Range (F) 50 Degrees to 104 Degrees , Display Single Line LCD, Auto Power Off Yes, Power Source (4) AG13 Batteries , Manufacturers Warranty... | | $69.19 go to store |