FL16 Water flow recorderDetailed product description：

FL16 water flow recorder is used to record water flow velocity and temperature, and is applicable to rainstorm water or sewage pipe, sink, weir, etc

Exquisite, self powered, easy to use
Sensor installation without restricted space entry requirements
User friendly Windows and PDA software
Optional USB and serial communication
PDA software simplifies on-site data collection
User programmable start and stop alarm, engineering unit, on-site calibration settings
Automatic pressure compensation and temperature compensation
Wet wet converter eliminates the need for ventilation pipes

FL16 flow recorder is applicable to flow data collection of inflow and infiltration studies, rainstorm water and wastewater collection systems, open channels and other gravity flow systems. The FL16 water flow recorder can record over 81000 readings of depth, temperature, water flow rate, and velocity in sewers and drainage pipes, as well as other open channel applications such as sinks, weirs, and rectangular ditches. Specially designed, pollution-free water level sensors can operate at depths of only 1/2 inch and can be installed in manholes and other difficult to access areas without the need to enter confined spaces.

The ventilation flow sensors of FL16 water flow recorder are all encapsulated with ship grade epoxy. The electronic components of the water flow sensor are encapsulated, so moisture will never leak through the O-ring seal or slowly seep into the ventilation pipe, causing drift or sensor failure. The ventilation tube is directly sealed to the moisture sensing element, and any moisture that may enter the ventilation tube from the housing of the water flow recorder can only come into contact with the ceramic components, not the electronic components.

The software of FL16 water flow recorder is specially designed for calculating water flow, using Manning's formula to calculate non full sewage and drainage pipes, and selecting and entering necessary information through the drop-down menu. The FL16 water flow recorder software has a unique calibration function that allows users to view the calculated water flow velocity, compare it with actual measured data, adjust water flow parameters, and calibrate for specific application water flow conditions. FL16 provides over 40 standard water flow formulas for tanks and weirs, as well as user-defined custom checklists that can convert water levels into flow rates for any practical application. After setting, all settings and water flow parameters are stored in the memory of the water flow recorder and automatically uploaded to the software upon connection. This information can also be saved to a file for future use. When the water flow recorder is deployed in multiple locations, there is no need to re-enter the water flow parameters each time it is moved. The FL16 flow recorder operates with two standard 9V batteries, which are mutually backup and will never experience a power outage. There is also a lithium battery fixedly installed on the circuit board to ensure data security in case of failure before replacing the 9V battery. Optional protective casing is available for installing flow recorders on ladders or other structural components in manholes, and facilitates on-site installation and replacement.

FL16-U flow recorder with USB interface, most suitable for direct communication with PC or laptop. FL16-S flow recorder with RS232 interface, most suitable for Windows CE or mobile PDA. Note: FL16 traffic recorder does not support Palm operating system.

Bluetooth function
The AK1500 Bluetooth adapter eliminates the need for traditional PDA cables for communication between PDA and FL16 traffic recorders. The Bluetooth adapter is connected to the serial port of the FL16 water flow recorder using the same interface cable provided with the software package. The interface works with a 9V battery and automatically starts when the cable connects the FL16 water flow recorder to the Bluetooth adapter. Due to the power consumption of the Bluetooth module during interface startup, it is recommended to unplug the cable from the FL16 water flow recorder when not in use. When the Bluetooth adapter is inserted into the FL16 water level recorder, a red LED stays on to display the power status. There is also a blue LED displaying the Bluetooth connection status.

Technical parameters of FL16 flow recorder

memory	Non volatile flash memory
Power supply	Two 9VDC alkaline batteries
battery life	Up to 1 year (based on record intervals)
resolution	12 digits
Moisture protection	Silicone resin coating (prevents condensation from damaging electronic components)
Operating Temperature	-40℃ - +85℃
Operating Humidity	0-95%RH, non-condensing
storage capacity	81759 data points with time and date (including battery voltage)
Sampling Mode	High speed (10 times per second), fixed interval (programmable, from 1 second to>1 year), logarithmic, abnormal
Data coverage	Optional loop coverage or no coverage (stop recording data when memory is full)
clock	Synchronize with user's computer time and date
clock accuracy	0.0025%, or 1 minute per month
Clock format	Month/Day/Year, Hour/Minute/Second
shell	48mm diameter, 292mm length, stainless steel, UV resistant PVC ventilation pressure compensation
weight	0.7kg, Including battery and 7.5m cable
Communication port	FL16S: RS-232 4-pin circular connector FL16U: USB-B type Optional baud rate: 96001920228800384005760115200

FL16 ventilation cable
conductor	4-core, 22 AWG
material	Ship grade polyether sheath, polyethylene vent pipe, all metal foil shielding
block	Aluminum polyester film
External diameter	0.78cm
temperature range	-30℃ - +85℃
length	Standard 7.62m, maximum length 152.4m (customized)
FL16 flow sensor
Sensor components	Silicone diaphragm, moisture/humidity sensor
Water level range	0-1 meter
temperature range	0℃ - 50℃
Linearity and lag	±0.1% FS
Precision	Water level: ± 0.1% FS at constant temperature; ± 0.2% within the range of 0 ℃ -21.1 ℃ Temperature: ± 1% reading
overvoltage	Not exceeding twice the full scale range
Burst of pressure	Not exceeding 10 times the full scale range
resolution	Infinite (analog output)
Output current	Water level: 4-20mA ± 1mA full range Temperature: 0-10mA ± 1mA Full Scale
Power supply	10-36VDC
Current draw	Sum of water level and temperature output currents
warm-up time	Suggested 3 seconds
Operating Temperature	-17.8- +85℃
Compensation temperature range	0-+21.1 ℃, automatic pressure compensation
shell	Material: 316L stainless steel outer sheath, PVC Size: 2.54cm diameter, 22.9cm length Weight: 250g
WL16 Bluetooth adapter
format	Bluetooth 2.0 SPP (Serial Port Protocol)
Baud rate	Automatic detection, maximum 115K baud
Power supply	9V alkaline battery, continuous use for about 20 hours
current	Average 30mA
Transmission range	Maximum 6 meters
Operating Temperature	-40℃ - +85℃
Software compatibility	Global Recorder II version 2.1.5 or higher Global Recorder II PDA Software Version 2.0.1 FL16 Flow Monitor Version 2.3.2

FL16 water flow recorder includes water flow software. Windows based software provides many useful features, such as real-time readings, measurement intervals and engineering unit selection, site ID settings, and sensor calibration. Software makes it easy to access stored data and set options. The data downloaded from FL16 water flow recorder can be easily opened with any PC data spreadsheet program for analysis and graphical display. The FL16 water flow recorder software can run on Windows 98 or later versions of PC. To communicate with the FL16 water flow recorder, the computer must be equipped with a communication port suitable for the type of FL16 water flow recorder purchased, either a standard RS232 serial port or a USB communication port. The purchase of FL16 water flow recorder includes an RS232 or USB cable (for communication between the recorder and the computer).

FL16 Traffic Recorder Application
Water inflow and leakage, stream and river measurement, rainstorm flow monitoring, waste water flow calculation, irrigation ditches, weirs and troughs, etc

Standard Configuration
ASJ000FL16S flow recorder, 7.5-meter cable, communication software and RS232 cable, user manual
ARJ000FL16U flow recorder, 7.5-meter cable, communication software and USB cable, user manual

Accessory Selection
WLEXC extended ventilation cable, up to 150 meters long
AK1500 Bluetooth Adapter
ASJ100FLMNT flow recorder installation sheath, 2-inch PVC shell with cover, easy to install and protect the recorder