กระดาษทดสอบความกระด้างของน้ำ (0-1000 ppm.)
for Water Quality Testing (480008)
Total Hardness test strips for water quality are the ideal solution for many projects. Offered in a variety of packaging options, Total Hardness test strips are perfect for service work, classroom demonstrations, or to give to customers instead of an expensive service call.
Total Hardness test strips for water quality offer a wide range of detection and calibrated to be both accurate and sensitive. With their low cost and high accuracy, Total Hardness test strips also offer you a time-savings. No more counting drops or waiting for laboratory results. With total hardness water quality test strips you are in control and can find out exactly where your calcium level is before it becomes a problem.
Number Sensitivity Total Test Time
Bottle of 50 0, 40, 80, 120, 180, 250, 425, 1000 ppm (mg/L) 3 Seconds
OR 0, 2, 5, 7, 11, 15, 25, 58 gpg