This type of Gealog measuring interfaces is a compact measuring interface module, which is ontogether connectable via integrated bus-connector. Gealog measuring interfaces external can be used for the Gealog compact data logger, Gealog S and Gealog SG. with Gealg Compact data logger and Gealog SG the interfaces have to be mounted externaly. Wtih Gealog S the line for the sensors' signals comes selectively via watertight circular plug-in connectors or via pass-connection. The connection of the measuring interfaces to the data logger happens via the RS485-filedbus. Distances up to 1km between data logger and measuring interfaces are thus possible. Therefore remote sensor stations can be easely relised.

External measuring interfaces are existing for following parameters:

• Water level
• Conductivity/ temperature
• pH/Redox
• Oxygen content/Oxygen saturation
• Turbidity
• Precipitation/Air temperature
• Global radiation
• 0(4) to 20 mA
• Signal input
• voltage input DC 1 V, 10 V
• various pulse input

There is also an internal relais-output interfce available.
Please ask our sales team, whether there is an external measuring interface availalbe for your special sensor.