Watershed Monitoring Instrumentation
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Ground Water Instruments

Water Level Sensors

PumpPro 6150 Bubbler Water Level Sensor


Range: 5, 10, 20, 35, 70 meters freshwater. Non standard ranges available.

Accuracy: Combined linearity / hysteresis / temperature compensation error over 0-50°C range:
Sensor: ± 0.05% of full scale
System: ± 0.08% of full scale
With over pressure less than 300% or 150m water

Analogue: 12 bit
Digital: 16 bit
Display: 0.1mm water

Units: kPa, psi, feet, inches, meters, centimeters, flow and volume units based on above

Temperature range:
Operating: -20°C to + 70°C non freezing
Storage: -40°C to + 85°C

Power Supply:
12 Volts DC unregulated for 6100 LevelPro
9-14 Volts for compressor
Standby: <10mA
Active: Pumping up to 16A
Dwell <60mA
Read <300mA

Airline Connection: ¼″ or ⅜” outside diameter quick-connect or swage type fitting.
Tools required for swage fitting

Sensor Type: Piezo resistive silicone pressure sensor vented to atmosphere (gauge type sensor)

Enclosure:      6100 LevelPro: IP67 rated machined delrin plastic
6150: IP54 rated epoxy coated aluminium

Weight: 5.5kg including data and power cables

Units: kPa, psi, feet, inches, meters, centimeters, flow and volume units based on above ranges

Response Time: Dependent on tube length and internal diameter. Typically 30 seconds for tube lengths up to 100 meters. Can be configured for continuous output.

Output Options:
Analog: 4-20mA current, 3 wire loop (up to 600 ohm load @12Vdc)
  0-1 Volt or 0-2.5 Volt
Digital: SDI-12 data, power from controller not required
 RS232C data, activated using DTR input
Simultaneous digital and analogue output

Compressor: Precision piston, 120psi, maximum duty cycle 10%

Surge Protection: Inputs/ outputs protected against transients by a secondary protection circuit that can absorb up to 1.5kW for 1ms

Display: 20 character x 4 line LCD with Backlight - suitable for sub zero temperatures

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