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 Features:
· 96 X 96 mm Panel Mount Enclosure Takes Up Less Panel
Space
· Simple Calibration with Automatic Buffer Recognition
· "Sensor Check" pH Glass Electrode and Reference
Cell Diagnostics
· "Live Check" Continuously Monitors Sensor
Performance
· Automatic Sensor Cleaning
· Up To Four Alarm Contacts Including Temperature
· Dedicated Fault Alarm
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NAMUR Fault Current Alarm
· PID Controller
· 2nd Current Output for Temperature
Applications:
· Water & Wastewater Treatment
· Coagulation & Flocculation
· Acid / Caustic Neutralization
Description:
The Model 223 pH / ORP Transmitter is ideal for use where economy
and reliability are the prime considerations. The basic transmitter
is available with either a 115 VAC or 24 Volt AC/DC power supply,
linear isolated current output and one alarm. Features include
the addition of a second output for temperature and up to four
alarms, which may be configured for on-off control functions,
alarm limits, timer for cleaning or PID control functions. The
PS version adds the diagnostic functions Sensor Check and Live
Check as well as a non-linear programmable current output. Sensor
Check provides pH glass electrode and reference cell diagnostics
and Live Check signals an alarm when the sensor signal does
not change over a defined period. The PS version features an
acid, caustic neutralization control function that combines
direct and reverse P(ID) controllers having a single set point.
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