alpha-pH2000 Wall Mount/Panel Mount pH/ORP Analyzer

• Built-In Programmable for On/Off, Proportional, or PI (Proportional integral control) - suitable for most demanding precision process control applications
• User-Customization through Advanced Setup Menu offers flexibility in matching the controller's functions to suit individual's specific needs
• Automatic Calibration with Auto-Buffer Recognition removes mistakes during calibration
• Symmetrical Mode Operation stops electronic noise problems when used with solution ground
• Backlit Display provides for reading in low-light conditions
• Universal Power Supply Input from 85 to 250 VAC/DC allows use at multiple locations and withstands voltage fluctuations
• Rugged NEMA 4X housing helps to protect the controller from the elements and dirty industrial applications
• 2 Level Password Protection prevents unauthorized tampering with settings
• 0 to 2000 Second Time Delay Adjustment on control and alarm delays
• Hold Relay for use with float switches/flow switches and other controllers as a failsafe function
• 2 Galvanically Isolated Scaleable 0-20/4-20 mA Outputs for pH/ORP and temperature
• Wash Contact Relay controls electrodes cleaning systems at desired time period and frequency
• Choice of Glass or Antimony Electrode for general use or hydrofluoric acid applications
• Adjustable Hysteresis (Dead Band) helps prevent rapid contact switching near set point
• Non-Volatile Memory retains all stored parameters and calibration data even if the power fails 
• Large Dual Display shows pH (or ORP) with temperature simultaneously - features multiple icons, set points, and status messages
• Choice of Temperature Sensor Pt100/Pt1000 with 2-wire or 3-wire temperature input selection
• Simple Installation and Wiring with detachable plug-in connectors
• Panel-mounted version is also available

General:
Very useful for any batch or on-line type application that requires accurate pH or ORP control.

Water Treatment:
Use for batch and on-line control of incoming process water, rinse water treatment, recirculating system and waste water treatment.

Industrial: 
Suitable for chemical processing, food processing. aquarium, pharmaceutical, hydroponics and waste control industries.

Regulatory:
Hook to recorder to document data for regulatory compliance.