Some sensors being ignored on Vertiv Geist WD100

Hello,

I have found this unusual behavior on Observium Professional 21.9.11575 and CE 21.10.11666.

My company uses Vertiv Geist WD100 environmental monitors, which have internal sensors as well as plug-n-play external sensors.  I have found that Observium isn't monitoring some external sensors.  For example, their "RTAFHD3 - remote temperature/humidity/dewpoint" sensor (.1.3.6.1.4.1.21239.5.1.4) appears to work, but the "GT3HD - triple temperature, humidity, dewpoint" sensor (.1.3.6.1.4.1.21239.5.1.8) is ignored.

In my spare time, I have been developing an ESP8266-based monitor based on the Geist MIB, to try to make it work seamlessly in Observium (while being cheap enough to use at home).  For testing, I have made it respond to every OID in the MIB, and I'm seeing the same behavior where most of the external sensors are ignored.  Only .1.3.6.1.4.1.21239.5.1.4 (Remote temperature sensor), .1.3.6.1.4.1.21239.5.1.5 (airflow sensor), and .1.3.6.1.4.1.21239.5.1.9 (temperature/humity/dewpoint sensor) are recorded by the system.  Ignored are .1.3.6.1.4.1.21239.5.1.6 (Dewpoint sensor), .1.3.6.1.4.1.21239.5.1.9 (CCAT sensor), .1.3.6.1.4.1.21239.5.1.8 (T3HD sensor), .1.3.6.1.4.1.21239.5.1.10 (RPM sensor), .1.3.6.1.4.1.21239.5.1.11 (A2D sensor).

I have attached snmpwalk output and console output from a discovery and poll.

Thanks!