https://cognesense.com/products/field-interface-devices-rtus/varec-9810-minirtu/
Varec 9810 miniRTU - Cognesense
varec
https://www.lakesidecontrols.com/products/valves-actuators-regulators/tank-vents-and-hatches/lock-down-hatches/varec-4310-series-sampling-and-gauging-hatch-covers/
Varec 4310 Series Sampling and Gauging Hatch Covers
varecseriessamplinggauginghatch