HGLS-2000B Wall Mounted Ultrasonic Flow Meter

HGLS-2000B Wall Mounted Ultrasonic Flow Meter

HGLS-2000B wall-mount ultrasonic flow meter is designed to be installed in a fixed location for long-term flow measuring. Features as follow:
● Principle: transit-time measuring, Weather proof: IP67
● Measurable flow velocity: 0.03 – 7m/s, Accuracy: better than 1% for flow
● LCD screen, display total flow / heat, instant flow / heat, velocity, time etc.
● Output option: 4-20mA / OCT pulse,RS485, Modbus protocol (standard config.), Relay alarm (optional)
● Pt100 resistor input (optional, for heat measuring)
● Power supply option: 24VDC, 220VAC
● Signal Cable length: 5m * 2 (standard config.), or customize cable length
● Guide rail mounting ( Optional )

Technical Specifications
Item
description
Main unit
Accuracy
Better than ± 1%
Repeatability
Better than 0.2%
Principle
Transit-time measuring principle
Measurement period
500ms
Display
LCD with backlight , display accumulated flow/heat, instantaneous
Flow / heat, velocity, time etc.
Output
Analogue output: 4-20mA or 0-20mA current output. Impedance 0 -1k Ω. Accuracy 0.1%.
OCT output: Frequency signal (1~9999HZ)
Relay output: over 20 source signal (no signal, reverse flow etc.)
RS485 serial port
Input
Three analogue input
Three-wire PT100 resistor input (optional)
Other functions
Automatically record t he totalizer data of the last 64 days / 64 months /5 years. The power-on time and corresponding flow rate of the last 64 power on and off events. Allow manual or automatic flow loss compensation. The instrument working status of the last 64 days.
Pipe
Material
Steel, stainless steel, cast iron, cement pipe, copper, PVC, aluminum, FRP etc. Liner is allowed
Size
DN 32 -6000mm
Straight pipe
section
Upstream ≥10D, Downstream ≥ 5D, distance from the pump discharge ≥ 30D. (D stands for pipe diameter)
Fluid
(must fully fill the pipeline )
Type
Liquid, no strong corrosivity, Common used fluid: Water, sea water, sewage, alcohol, beer.
Temperature
Standard: -30 ˚ C – 90 ˚ C ， High-temperature ： -30 ˚ C – 160 ˚ C
Flow velocity measurable range
0 .03 ~ 7 m/s
Turbidity
Content of particulate impurity and bubbles shall be less than 10000ppm.
Flow Direction
Bi-directional measuring, net flow/heat measuring
Environment
Temperature
Main Unit: -30 ˚ C – 80 ˚ C
Transducer: -40 ℃-160 ℃, Temperature transducer: select on enquiry
Humidity
Main Unit: 85% RH
Transducer: water-immersible, water depth less than 3m
Cable
Twisted Pair Line, standard length of 10m, can be extended to 500m (but such length is not recommended); contact the manufacturer for longer cable if requirement.
RS-485 interface, transmission distance up to 1000m
Power Supply
AC220V or DC24V
Power consumption
Less than 1.5W
Protocols
MODBUS, M-BUS, Fuji extended protocol and other factory protocol
Optional configuration
SD card, capacity 2G, storage time depends on storage interval setting.