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Sentry Sludge Level Monitor

Monitor sludge blanket height with infrared sensor probes Right out of the box, the Raven Sentry can be up and running quickly with the enclosure mount and probe jib. Lower the sensor probes into the tank and secure at user defined levels. A common setup with a 2 channel model is the “warning” and “alarm” […]

  • SKU : E-H36-SID-10700
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Monitor sludge blanket height with infrared sensor probes

Right out of the box, the Raven Sentry can be up and running quickly with the enclosure mount and probe jib.

Lower the sensor probes into the tank and secure at user defined levels.

A common setup with a 2 channel model is the "warning" and "alarm" configuration. The warning probe is suspended just above the normal sludge level. The alarm probe is suspended above the warning probe at a point where the sludge level is unacceptable.

When the sludge blanket rises to these levels, the Sentry automatically calls or sends a text message to plant staff. The message can be customized depending on whether the warning probe or the alarm probe has been engaged.
  • Stand Alone and SCADA
  • Infrared Sensor Probes
  • Touchscreen HMI Display
  • Sensitivity Adjustment Per Channel
  • Single and Multichannel Models
  • NEMA 4X - IP67 Enclosure
  • Mounting Hardware and Probe Jibs Available

It's simple to customize the Sentry to work in your particular plant.

It all starts at the touchscreen display - much like the ATM that everyone is familiar with.

The Main Screen, as shown below, provides the operator with just four settings.

  1. Sensitivity - do you want the probes to react to the slightest solids or do you want them to ignore the slightest solids?
  2. Probe Delay - should the Sentry wait for a period of time before sending an alert?
  3. Trigger - this is a refinement of the Probe Delay and represents the upper threshold of the event qualifier.
  4. Maintenance - this puts the unit on hold while the probes are cleaned so that an event is not triggered. It also counts the number of days since the last maintenance.

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