Pocket Photometer to measure total chlorine in water. It measures both free chlorine and the combined.

Pocket Photometer to measure total chlorine in water.

Features:

• Range: 0.00 to 3.50 ppm - Resolution: 0.01 ppm
• Battery included (1 x 1.5 Vaaa alk.)
• Self closing unused after 10mn
• Ref 2720216 Reagent: 25 test (8.50 ?)