Page 46 709-BTP3 Manual
CHAPTER 9 - SPECIFICATIONS
Resolution
JS sender: ¼" (6 mm)
ES sender: ⅜" (10 mm)
SS sender: ½" (13 mm)
Accuracy:
+/- 8% or better, limited by resolution and tank height
and shape.
Temperature range:
+32 °F to +140 °F (0 °C 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.
JS sender: 4" to 6", which will measure tank heights
from 4½” to 7”.
ES sender: 4 ½" to 12", which will measure tank
heights from 5” to 13” (single sender) and up to 25”
(dual senders).
SS sender: 6" to 16", which will measure tank heights
from 7” to 17” (single sender) and up to 34” (dual
senders).
Display mounting panel:
Black panel, approximately 4" wide by 2.8" high by 1"
thick (102mm wide X 71mm high X 25mm thick).
Panel screws to wall.
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.
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. A
separate two wire conductor required from the display
to the LPG sender.
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.
The pump switch is rated for a maximum of 7.5 amps.
The use of a relay is required if more than 7.5 amps is
needed. A 7.5 amp (max) fuse must be installed in
series with the 12V power circuit to the switch!
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.
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