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The EFA-21 doubles as a Power Module and RS485-USB Adapter that allows you to provide power and connect
an EFM-100 Atmospheric Electric Field Mill directly to your computer's USB port using a single device.

EFA-21 Power Module / RS485 to USB Converter for EFM-100C

EFA-21 RS485 to USB Adapter

Description

The EFA-21 is designed to provide both power and data through a single Cat5 cable which eliminates the need for the additional fiber optic cable so that only a single Cat5 cable is connected from the EFM-100 to the adapter to provide both power and data.

The RS-485 output on the EFA-21 can also feed into the ERL-10 when the input jumpers are set to RS-485 (see jumper settings in ERL-10 manual)

The EFA-21 RS485 to USB output is designed to work mainy with the EFM-100C and EFM-485 models. It can be used as a power source for the EFM-100A model, and provide analog output on the terminal block but does not does not provide any data output on the USB port. It is recommended that the EPM-1 and EFA-10/EFA-20 are still used with the EFM-100A.

$99.00

Quantity:


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