Needs review
U540 Ultrasonic Water Meter
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Specifications
- Width b (mm)
- 88
- Height h1 (mm)
- 98
- Height h2 (mm)
- 138
- Protection class
- IP68
- Dynamic range q3 q1
- 400
- Nominal diameter (mm)
- 15
- Overall length l1 (mm)
- 165
- Max pressure loss bar
- 0.4
- Starting flow rate lh
- 2
- Minimum flow rate q1 lh
- 6.25
- Battery lifetime years
- 10
- Nominal pressure map bar
- 10
- Overload flow rate q4 m3h
- 3.125
- Permanent flow rate q3 m3h
- 2.5
- Transitional flow rate q2 lh
- 10
- Ambient humidity max percent
- 100
- Medium temperature range max c
- 50
- Medium temperature range min c
- 0.1
- Connection thread on meter (inch)
- G ¾
- Overall length with coupling l2 (mm)
- 255
- Connection thread of coupling (inch)
- R ½
- Ambient operating temperature max c
- 55
- Ambient operating temperature min c
- -5
Overview
The U540 Ultrasonic Water Meter is a high-precision smart water meter combining ultrasonic measurement with NB-IoT/LoRaWAN connectivity. Certified to MID, OIML R49, and WRAS, it enables seamless global deployment and real-time monitoring. Ideal for apartments and multi-unit dwellings, it features IP68 protection, battery lifetime up to 10 years, and remote meter reading.
Key features
- ▸Ultrasonic measurement with NB-IoT/LoRaWAN connectivity
- ▸MID, OIML R49, and WRAS certified
- ▸IP68 protection for outdoor installations
- ▸Battery lifetime up to 10 years
- ▸Remote meter reading via NB-IoT
- ▸Display with error and alarm codes including leakage detection
- ▸U0/D0 installation, easy to install
- ▸DN15 to DN25, dynamic range R200/250/315/400