Power :
Operating Voltage :
12V DC Nominal
Recommended Battery :
12V DC Sealed Lead Acid (18Ah)
(This will provide approx 50 days continuous
operation.)
Low Battery cut-out :
10.0 V DC
Battery recharge recovery : 12.0V DC
Operation Range :
Up to 30m (100ft) of water pressure head with a
max of 300m (900ft) of river line
Purge :
Gas Line Solenoid Current : 0.6Amps for 1 sec
Solenoid Current :
0.6 Amps for 27 secs
Electronics Quiescent :
10 mA
Average battery
consumption :
14mA continuous (based on 7 x 3hr purges and
a 1m water level rise per day)
Solar :
A small 5Watt solar panel is sufficient to keep
the
battery
fully
charged.
Purge Sequence :
1 secs - N2 gas valve
25 secs - solenoid valve
Once every 3 hours (fixed) and when the water
level increases by 100mm or a manually initi-
ated
purge
Transducer Pressure
Connection :
6.35mm (1/4 inch) tube
River Line Connection :
9.52mm (3/8 inch) tube
Max River-line Length :
200m (600ft) using 3/8 in OD and 1/8 ID tubing
Operating Temperature
Range
:
-30
o
C to +70
o
C
Enclosure Size :
150mm x 200mm x 90mm (H x W x D)
6 inches x 8 inches x 3.5 inches
Weight :
1.8 kg (4 lbs)
SPECIFICATIONS
Page 2
MODEL HS-35
Typical Installation For HS-35
Nitro, Water Level System
Hut
WL3100
GCO
N2
Bottle
River
HS-35
12VDC,
18AH
Time
Water
Level
Purge cycles
3 hrs
3 hrs
3 hrs
3 hrs
100mm
rises
100mm
rises
Only 3 hr purge
when water is falling
Purge every 100mm
when water is rising
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