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

• Built-In Programmable for On/Off, Proportional, or PI (Proportional integral control) – ideal 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 requirement 
• Automatic Calibration with Auto-Buffer Recognition eliminates mistakes during calibration 
• Symmetrical Mode Operation eliminates electronic noise problems when used with solution ground 
• Backlit Display offers reading in low-light conditions 
• Universal Power Supply Input from 85 to 250 VAC/DC allows use at multiple sites and with stands voltage fluctuations 
• Rugged NEMA 4X housing protects controller from the elements and dirty industrial applications 
• Two 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 
• Two Galvanically Isolated Scaleable 0-20/4-20 mA Outputs for pH/ORP and temperature 
• Wash Contact Relay controls electrodes cleaning systems at desired duration and frequency 
• Choice of Glass or Antimony Electrode for general purpose or hydrofluoric acid applications 
• Adjustable Hysteresis (Dead Band) prevents rapid contact switching near set point 
• Non-Volatile Memory retains all stored parameters and calibration data even if power fails 
• Large Dual Display shows pH (or ORP) with temperature simultaneously – features clear multiple icons, set points, and status messages 
• Choice of Temperature Sensor Pt100/Pt1000 with 2-wire or 3-wire temperature input selection 
• Easy Installation and Wiring with detachable plug-in connectors 
• Panel-mounted version is also available