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709-A SeeLeveL II™ Tank Monitor (Discontinued)

Product Overview

  • Full featured system for either OEM or retrofit applications
  • Provides accurate tank level information using percentage of full readout
  • Tanks are monitored using Garnet’s proprietary external level sensing technology. This ends fouling problems caused by debris build-up in the holding tank.  Detailed diagnostic information monitors sender operation.
  • Measures tanks up to 12 inches tall with a single sender or 24 inches tall with dual senders.  The 710JS sender option gives improved accuracy for tanks from 5” to 7” tall.
  • Tank senders connect to display via a common bus which saves wiring costs
  • LPG tank connection compatible with existing electric senders
  • Uses common industry connector for ease of installation and servicing
  • RV-C CAN bus interface allows continuous communication with other RV-C compatible systems such as Silver Leaf and Firefly.
  • Alarm output for controlling warning devices, pumps, shutoffs, etc.  Any or all of the tanks can control the alarm.
  • Continuous scanning of tank levels ensures that the alarm and RV-C interface are always current.

Resolution:   3/8 inch (10 mm)

Accuracy:  +/- 8% or better, limited by resolution and tank shape

Operating temperature range:    +32 to +140 °F (0 to + 60 °C)

Sender materials:  0.008” thick glass epoxy circuit board with conformal coating for circuit protection.  Laminated on the back with 3M 300LSE Bonding Adhesive.

Sender length range:  4-1/2 to 12 inches, which will measure tank heights from 5” to 14” (single sender) and up to 26” (dual senders).

Display mounting panel:  Black flush mount panel, approximately 4” wide by 2.8” high by 1” deep (102mm wide X 71mm high X 25mm deep).  Panel screws to wall.  Required cutout size is 3” wide by 1.8” high.

System power requirements:  Display requires 12 volts from the RV battery, the system will function from 11 volts to 16 volts.  Current drain is less than 200mA.

Wiring:  A single two wire conductor required from the display to the senders. All the senders are wired in parallel. 12 V power and ground required for display. Single wire required for LPG sender if sender grounded at tank.

LPG:  Display will work with an LPG sender with a maximum resistance of 50 ohms to 500 ohms.  Display shows increasing level as resistance increases.  System must be calibrated with the LPG tank full, or it can be factory calibrated.

Common Alarm Output:  Maximum voltage: 16 volts DC

Maximum current: 100 mA DC

Polarity: The output makes a connection to ground when the alarm is on.