Gestra AG Switch probe of Marine liquid level sensor

LRGT 16-1
Miscellaneous Transmitter

油品检测仪
ORGS 11-1,
ORGS 11-2

NRG 16-50S
NRS 1-50
Water Level Limiter

LRG 16-9,
LRS 1-7
Conductivity electrode in conjunction with conductivity switch