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RATIO:GUARD® Monitors
IN-LINE EC, pH, & TANK MONITORS

Anderson EC and pH monitors

Accurate. Reliable. Convenient. Keeping tabs on your chemical levels has never been easier. By applying the same principles of simplicity and efficiency used on our injectors, Anderson has designed monitors with in-line probes that show a constant reading. They'll stand their "guard" with minimal action on your part. Just give them an occasional cleaning and calibration, and they'll serve you diligently day in and day out.

These Ratio:GuardTM Monitors/Controllers provide continuous watch over your injection system. An LCD display provides a visual indication of system status. Model E-1 EC Monitor will guard against the following possibilities: exhaustion of fertilizer concentrate, improper mixing of fertilizer concentrate, injector failure, and siphoning or gravity feed problems. Model P-1 pH Monitor will continuously monitor your water for proper pH levels.

Features

  • Anderson tank monitor Large LCD Display
  • 4-Key Program Pad
  • Probes, Quick-Tee & Cables Included
  • Unique Probe Design
  • Sealed Non-Corroding Enclosures
  • 2 Settable Alarm Points

Benefits

  • Continual Indication
  • Easy to Program, & Operate
  • Easy to Install
  • Maintains Accuracy with Long Cable Lengths
  • Long Life
  • Operates Alarms, Pumps, or Interlocks



Model E-1 Specification

  • Ratio:Feeder model E-1 pc connection diagram Range*: 0.01 - 5.00 millisiemens/cm3
  • Accuracy**: To Within 0.01 millisiemen @ 77° F
  • Temperature Compensation: Automatic 32-100°F (2% per °C slope)
  • Display: 0.7" LCD Numeric
  • Control Outputs: 10 amp. SPDT contact outputs for both high and low alarms
  • Enclosure: Water resistant with gasketed cover; Sealed front panel
  • Power Requirements: 120 VAC
  • Setpoint Memory Retention: Aproximately thirty(30) days with zero power

* 1 millisiemen = 1millimho = 1000 micromhos
** Using electrode properly calibrated to standard solution.

Model P-1 Specifications

  • Anderson model P-1 pc connection diagram Range: 1-13 pH
  • Accuracy*: To Within 0.1 pH @ 77° F
  • Display: 0.7" LCD Numeric
  • Control Outputs: 10 amp. SPDT contact outputs for both high and low alarms
  • Enclosure: Water resistant with gasketed cover; Sealed front panel
  • Power Requirements: 120 VAC
  • Setpoint Memory Retention: Aproximately thirty(30) days with zero power

* If properly calibrated to electrode, using standard buffers.



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