Replaceable pH electrode cartridge The Combo features an easy-to-replace pH electrode. The sturdy, snap-in connector means there are no pins which could bend or break. Supplied complete Supplied with all the tools necessary to start performing tests High accuracy EC/TDS graphite probe The graphite conductivity probe provides greater accuracy because it cannot be contaminated by salt deposits. The exposed temperature sensor provides fast response times and guarantees highly accurate temperature compensated readings. Calibrate right in our sachets Calibration can be performed directly in our solution sachets pH solutions begin on page 2.158; EC and TDS solutions begin on page 5.34; see pH electrode specifications on page 1.70 Protective cap The protective cap features an internal cup that can be filled with storage solution to keep the pH sensor moist. Specifications HI981304 pH Range 0.00 to 14.00 pH Resolution 0.01 pH Accuracy ±0.05 pH Conductivity Range 0.00 to 20.00 mS/cm Resolution 0.01 mS/cm Accuracy ±2% F.S. TDS Range 0.00 to 10.00 g/L (ppt) Resolution 0.01 ppt (g/L) Accuracy ±2% F.S. Temperature Range 0.0 to 60.0°C / 32.0 to 140.0°F Resolution 0.1°C / 0.1°F Accuracy ±0.5°C /±1°F Additional Specifications EC/TDS Calibration automatic, one point at 12.88 mS/cm or 6.44 ppt (g/L) pH Calibration automatic, one or two-point with two sets of standard buffers (pH 4.01 / 7.01 / 10.01 or 4.01 / 6.86 / 9.18) Temperature Compensation pH: automatic; EC/TDS: automatic with β adjustable from 0.0 to 2.4% / °C TDS Conversion Factor 0.45 to 1.00 pH Electrode HI73127 (replaceable; included) Environment 0 to 50°C (32 to 122°F); RH max 100% Battery Type / Life 1.5V (4) / approx. 100 hours of continuous use; auto-off after 8 minutes of non-use Dimensions / Weight 163 x 40 x 26 mm (6.4 x 1.6 x 1.0’’) / 100 g (3.5 oz.) Ordering Information HI981304 is supplied with HI73127 pH electrode, HI73128 electrode removal tool, pH 4.01 buffer solution sachet, pH 7.01 buffer solution sachet, 12880 µS/cm conductivity standard sachet, 6.44 ppt TDS standard sachet, pH electrode cleaning solution sachet, storage solution sachet, batteries, and instructions. 1 Testers and Monitors 1.13 www.hannainst.com | testers
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