Horiba LAQUAtwin ORP-11 Pocket Meter Probe accessories HI1131B on the HI6221 and

HI1131B on the HI6221 and HI1332B on the HI2209 benchtop meters)

Meter Only (2FD350): instrument in a case with pH buffers 4 & 7

0 ppm (10-minute cycle)

A single inflation line runs from the surface hand pump to the lower packer and jumpers up to the upper packer

and remediation applications

Horiba LAQUAtwin ORP-11 Pocket Meter Probe accessories HI1131B on the HI6221 andThe HORIBA LAQUAtwin ORP 11 measures oxidation reduction potential (redox) from 1000 to +1000 mV using the same flat sensor design as the rest of the LAQUAtwin range a few drops of sample is all it needs. ORP is the fastest practical indicator of how oxidizing or reducing a water is, which makes it the standard check on disinfection strength and on the redox state of groundwater. The meter is fully waterproof (IP67), calibrates at one button press,