The following electrodes may be attached to the connector on top of the G-7 to check moisture of grain and seed in bags, or in hay.
#830-2 10″ Prod ? for testing standard and high density bales (requires H4 Handle)
#831 Short pin prod ? for testing hay in the windrow (requires H4 Handle)
#832 Long pin prod ? for testing grain in bulk (requires H-4 Handle)
#H4 Handle ? mounts to the connector on the top of the meter to use with the #830 series electrodes.