Conductivity — Testers EcoTestr™ TDS, EC, and Salt Simplicity with Oakton reliability Simple single-line display - Large upright display is easy to read 1% full-scale accuracy - Suitable for many applications Transparent protective cap - Doubles as a container for on-site calibration Waterproof, dustproof housing - Meets IP67 rating, plus it floats! Durable sensor - Two pin stainless steel with probe guard Click-lock battery compartment - Simply lift and remove cover to replace batteries; no additional tools required Push-button calibration - Calibrate more precisely than trimpot adjustment; no screwdrivers necessary Hold function - Freezes reading until you can record it Auto shut-off - Extends the life of batteries Automatic temperature compensation (ATC) - Gives you accurate readings even with fluctuating temperatures Applications Water quality: Aquaculture, aquariums (marine fish), fish ponds (koi), food processing, pools and spas, environmental monitoring 35462-10 Cap fits snugly on top when Testr is in use. Ordering Information CERTIFIED SUPPUER Calibration: manual single-point Operating temperature: 0 to 50°C (32 to 122°F) Temperature compensation: automatic (ATC), from 0 to 50°C (32 to 122°F) Power: four 1.5 V alkaline batteries (included), >500 hours continuous use; Eveready® A76 or LR44 equivalent replacement Catalog number Dimensions Unit only: W x 11/2" x 61/2" (3.2 x 3.8 x 16.8 cm) Boxed: 1V2" x 514" x 93/4" (3.8 x 13.6 x 24.8 cm) Weight Unit only: 3.25 oz (90 g); Boxed: 6.0 oz (170 g) Accessories WD-35624-45 Vinyl carrying case with belt loop; holds one tester and solution pouches WD-09377-16 Replacement batteries, 1.5 V. Pack of 6 WD-35661-70 Deluxe calibration kit includes two each calibration pouches (447 pS, 1413 pS, 2764 pS, 15,000 pS, and rinse water), sample jar, and foam-lined hard plastic carrying case. (Tester not included) 32 ...setting the standard again and again®