East West Infiniti Pvt Ltd.

...where electronic technology speaks

FL16 Wter Flow Loggers

Records Water Flow and Temperature in Partially Filled Stormwater or Sewer Pipes, Flumes, or Weirs


  • Compact, self-powered and easy to use
  • No confined space entry required for sensor deployment
  • User friendly Windows and PDA software included
  • USB and Serial communication options available
  • PDA software simplifies field data collection
  • User programmable start and stop alarms, engineering units, and field calibration setup
  • Automatic barometric pressure and temperature compensation
  • Wet-wet transducer eliminates vent tube concerns


FL16 Water Flow Loggers

Memory:  Non-volatile flash memory

Power:  Two 9VDC Alkaline Batteries

Battery Life:  Up to 1 year (depending on recording intervals)

Resolution:  12 bit

Moisture Protection:  Silicon coating (prevents damage to electronics from condensation)

Temperature:  -40° to +185°F (-40° to +85°C)

Humidity:  0-95% non-condensing

Storage Capacity:  81,759 time and date stamped data points including battery voltage

Sample Modes:  High Speed (10 samples per second), Fixed Interval (Programmable from 1 sec to >1 year), Logarithmic, Exception

Data Overwrite:  Select memory wrap or unwrap (unwrap will stop logging data once memory is full)

Clock:  Synchronizes to the time and date of user's computer

Clock Accuracy:  0.0025% or 1 minute in 1 month

Clock Format:  Month/Day/Year Hour/Minute/Second

Enclosure:  1-7/8 inch dia x 11-1/2 inch length (fits inside a 2 inch well), stainless steel UV protected PVC vented for barometric pressure compensation

Weight:  1.6 lbs (0.7 kg) (with battery and 25 ft cable)

Communication Port:  

FL16S: RS-232 4-pin circular connector

FL16U: USB Type B

Selectable Baud Rates:


Global Water Flow Loggers Software

Compatible with Microsoft's Windows 98, ME, 2000, NT, XP, Vista, and 7

Windows and Excel are trademarks of the Microsoft Corporation

Tabular Display/Printout

Data in standard spreadsheet format (.CSV)

Programmable alarm start and stop times

Field calibration software and help files included

Water Flow Logger Vented Cable

Conductors:  4 each 22 AWG

Material:  Marine grade polyurethane jacket, HD polyethylene vent tube, full foil shield

Shield:  Aluminum Mylar

Outside Diameter:  0.307 inch (7.8mm)

Length:  Standard 25 ft (up to 500 ft from factory)

Temperature range:  -22 to 185°F (-30° to 85°C)

Weight:  0.7 oz/ft (65g/m)

Water Flow Sensor

Sensor Element:  Silicone Diaphragm, Wet/Wet Transducer

Level Range:  0-3 ft

Temperature Range:  32-122°F (0-50°C)

Linearity and Hysteresis:  ±0.1% FS


Level:  ±0.1% FS at constant temperature, ±0.2% over 32° to 70°F (0° to 21.1°C) range

Temperature:  Smaller of 0.5°F or ±1% of reading

Overpressure:  2 x full scale range

Burst Pressure:  10 x full scale range

Resolution:  Infinite (Analog)

Output Currents:

Level:  4-20mA ±1mA of full scale

Temperature:  0-10mA ±1mA full scale

Supply Voltage:  10-36VDC

Current Draw:  Combined level and temperature output currents

Warm Up Time:  3 seconds recommended

Operating Temperature:  0° (not frozen) to +185°F (-17.8° to 85°C)

Compensated Temperature Range:  32° to 70°F (0 to 21.1°C) submerged, automatic barometric compensation  Housing:

Material:  316 Stainless Steel Outer Sleeve, PVC diffuser and strain relief

Size:  9 inch long x 1 inch dia. (22.9 cm long x 2.54 cm dia.)

Weight:  ~250g (9oz)


Format: Bluetooth 2.0 SPP (Serial Port Protocol)

Baud Rate: Auto Detect up to 115K Baud

Power: 9 V Alkaline, approx. 20 hours continuous use

Current: 30mA Average

Range: 20 Feet Maximum

Operating Temp: -40° to +185°F (-40° to +85°C)

Compatible Software: Global Logger II version 2.1.5 or higher

Global Logger II PDA software version 2.0.1

FL16 Flow Monitor version 2.3.2