Heron Water Tape Water Level Meter (Series 1900) Length:300 ft An optical-grade DO sensor means

An optical-grade DO sensor means no membranes to replace and no filling solutions to maintain

mix and match up to 4 per cable):

An automatic wiper keeps the optical window clean during extended deployments

Do you have everything you need

The Myron L UltrapenX2 PTBT4 reports Free Chlorine Equivalent — free available chlorine derived from ORP and pH — with no reagents

Heron Water Tape Water Level Meter (Series 1900) Length:300 ft An optical-grade DO sensor meansThe Heron Water Tape is an economical static and drawdown water level meter with a heat stamped polyethylene tape and field replaceable 5 8" (16mm) probe. It carries the same electronic panel and sensitivity control as Heron's other dipper meters at a lower price point. Application A good fit for routine depth to water checks and drawdown monitoring where the extreme durability of a steel core tape isn't required. Every unit ships with its carrying