WLM - 100' - Solinst Model 101 P2/M2 gas leak the DR-4000 is totally immune

the DR-4000 is totally immune to particle coincidence errors

Chemical name and concentration can be viewed on FROG-4000's LCD display

In the event of a fault condition

front panel analog meter

WLM - 100' - Solinst Model 101 P2/M2 gas leak the DR-4000 is totally immunePFAS Accepted Equipment #51705 200 ft., #51708 300 ft. The Solinst 101 Water Level Meter: For measuring the depth to water in wells, boreholes, standpipes, and tanks, Model 101 Water Level Meters are the industry standard for portable hand operated meters. They are sturdy, easy to use and read accurately to 1 100 ft. or each millimeter. The Model 101 P2 Water Level Meter features an easy to repair probe and heat embossed polyethylene tape. Water Level