
Rosemount Analytical 6888 O2 Probe Transmitter Board – 6A00448G01
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$1,955
Vendor: Rosemount Inc.
The Rosemount 6A00448G01 is a replacement transmitter board for 6888A and 6888C in-situ oxygen probes. It mounts inside the probe’s blue housing and sends a 4–20 mA output signal. It also powers the heater for the zirconia oxygen sensor.
This board is used in systems where the probe does not already have a built-in transmitter or when internal electronics need to be replaced. It supports HART communication and is loop-powered.
This version is not required if the system uses a separate Xi electronics module, unless the probe is bare and needs internal conversion.