Milwaukee M10038B 6.44 ppt TDS Calibration Solution Sachets (25) HM Digital TDS-4TMA Aquarium TDS Meter with Digital Thermometer The HI96813 Digital Wine Refractometer

The HI96813 Digital Wine Refractometer converts the refractive index of the sample to sucrose concentration in units of percent by weight

Drinking water chemical analysis — chlorine

Santevia Glass Water Bottle (500ml) — Premium glass bottle with blue silicone protective sleeve

Wide Measurement Range: 0–9990 ppm — 0–999 ppm at 1 ppm resolution

Milwaukee M10038B 6.44 ppt TDS Calibration Solution Sachets (25) HM Digital TDS-4TMA Aquarium TDS Meter with Digital Thermometer The HI96813 Digital Wine RefractometerDescription The performance of conductivity probes are affected by use due to residue build up and aging. M10038B is a lab grade 6. 44 ppt TDS solution standard prepared against a NIST traceable potassium chloride solution that allows you to recalibrate your conductivity meter or tester. Check your meter or tester's manual to find the correct calibration standard for your meter. TDS readings are effected by temperature. To help with this, a chart of