HLS-W311 Ultrasonic Water Meter ( Battery Powered )

HLS-W311 Ultrasonic Water Meter ( Battery Powered )

HLS-W311 Ultrasonic water meters are widely used in the industry of urban water supply, water resource management, agricultural irrigation, garden management.

Technical data
Executive standard
ISO 4064-2005, GB/T 778-2007, JJG 162-2009
Fluid
Water, waste water, sea water (meter tube must be fully filled with fluid)
Operation temperature
0.1 ~ 30℃ (for cold water), 0.1 ~ 100 ℃ ( for hot water)
Operation pressure
1.0 Mpa, 1.6 Mpa
Ambient condition
Temperature: -10 ~ 45℃; Humidity: ≤100% RH
Sensitivity level of upstream flow field
U3
Sensitivity level of downstream flow field
D0
Electromagnetic compatibility level
E2
Meter tube Material
Brass
Output signal
One-way 4-20mA, Two-way OCT or TTL (optional),
Communication
RS485 (optional)
Weather-proof
IP68, after using glue sealing the wiring joints, the flow meter can be immersed in the water for long term to work, but the immersive depth shall not exceed 2 m.
Local display
Double line, one line (4-digits) display instant flow rate, another line(9 digits) display accumulative flow.
Memory
EEPROM / FLASH storage
Measuring cycle
1 time / second
Power supply
Built-in 3.6V 19AH Lithium battery (Standard configuration)
External power supply DC 8 – 36 V (for 4-20mA output or communication)
Power dissipation
In case of no output, the Built-in Lithium battery can support flow meter continuously working for about 6 years.