Hanna Instruments HI70442L 1500 mg-L (ppm) TDS Calibration Solution, 500mL Bottle Mixed Bed DI1425 Commonly used as pre-filtration in

Commonly used as pre-filtration in residential and commercial reverse osmosis systems

The automatic temperature compensation circuit adjusts readings accurately across varying water temperatures

Commonly deployed as first-stage sediment pre-filtration in reverse osmosis systems or as primary filtration in whole-house configurations where municipal or well water carries sand

Model Number CW-ET-P Filter Type Sediment cartridge Mounting System Easy Twist (tool-free) Filter Positions #1 and #3 (pre-filtration stages) Manufacturer Watts Premier

Hanna Instruments HI70442L 1500 mg-L (ppm) TDS Calibration Solution, 500mL Bottle Mixed Bed DI1425 Commonly used as pre-filtration inThe Hanna Instruments HI70442L delivers laboratory grade 1500 mg L TDS calibration solution in a professional 500mL bottle designed to maintain solution integrity. This potassium chloride based standard is NIST traceable and specifically formulated to ensure your TDS meters deliver accurate readings in the mid range measurement zone. SPECIFICATIONS Technical Details Manufacturer Hanna Instruments Model Number HI70442L TDS Value 1500 mg L (ppm) at 25C