Dissolved oxygen (DO) transmitter
PHO2
Comeco Control & Measurement
♦ Temperature compensation input
♦ Built-in source for probe polarization voltage
♦ Rechargeable battery for probe polarization voltage
♦ Standard current or voltage output signal
♦ Isolated current output available
♦ Polarization-control front-panel switch
PHO2 is an electronic transmitter of dissolved-oxygen measurements.
It transforms the signal from a standard INGOLD® or SENSOREX® probe for
dissolved O2 or a compatible one, provides the polarization voltage necessary
for the INGOLD probe operation, and performs measurement temperature
compensation. A built-in rechargeable battery maintains INGOLD probe
polarization even in absence of power supply, while a front-panel switch
enables turning the polarization voltage off. The PHO2 transducer
provides a standard voltage or current output signal that allows connection
of any standard control, data logging, or indication device, with its field
of application including the biotechnological, chemical, food, etc. industries
as well as research.
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