Oakton (WD-35653-10) TDS 447 Pouches (300 PPM) 20-Box Intelifil (IF-SM-WS010) 10"x2.5" 19 Place your meter in the

Place your meter in the designated compartment

} The Hanna HI98127 pHEP4 delivers laboratory-grade pH and temperature readings in a waterproof

ELF 5M-P 12

American Made

Oakton (WD-35653-10) TDS 447 Pouches (300 PPM) 20-Box Intelifil (IF-SM-WS010) 10"x2.5" 19 Place your meter in theThe Oakton WD 35653 10 TDS 447 Pouches deliver factory calibrated 300 PPM total dissolved solids solution in single use pouches, ready for immediate use with handheld TDS meters in the field or lab. Each box contains 20 individually sealed pouches standardized against NIST traceable materials with 1% accuracy at 25C. SPECIFICATIONS Calibration Standard Overview TDS Concentration 300 PPM Premixed and ready to use Accuracy 1% At 25C reference temp