UPC: 877267000193

OR-150 O-ring

25 ppm ±2 % of reading 525 nm Zinc Reduction Method

Test 3 parameters at the same time with just one device

Ideal range for hydroponic and other growers (0

Milwaukee M10038B 6.44 ppt TDS Calibration Solution Sachets (25) 701003130229 UPC: 877267000193Description 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