-
Evie Huang sales consultant
-
Email: Sales@matictest.com
-
Phone/WhatsApp: +86 18996117830
Doppler Velocity and Flow Meter | MT-D800B
A compact Doppler velocity and flow meter for manholes, channels and discharge outlets. DC7.5-15V supply, ≤20mA/12V power consumption, RS485 Modbus RTU, 10m standard cable with custom lengths available.
Send your requirements, we will quote for you within 12 hours
Description
Product Overview
The MT-D800B Doppler velocity and flow meter measures flow velocity and discharge in partially filled pipes, manholes, open channels and industrial discharge outlets. Using the Doppler principle, it determines velocity from the frequency shift of an acoustic signal reflected by particles or bubbles moving with the water.
With a very low power draw of no more than 20 mA at 12 V and a compact body, the instrument suits battery-powered and solar-powered monitoring sites where conventional flow meters are impractical.
Key Features
- Stable operation: Designed for reliable continuous measurement in the field.
- Accurate flow measurement: Doppler measurement delivers dependable velocity and flow data.
- Compact size: Small body fits manholes and narrow channels.
- Easy installation: Simple mounting reduces commissioning time.
- Salt-spray corrosion resistant: Suitable for coastal and aggressive environments.
- Low power consumption: Whole-device consumption ≤ 20 mA at 12 V.
Technical Specifications
| Item | Specification |
|---|---|
| Model | MT-D800B |
| Measurement principle | Doppler ultrasonic |
| Supply voltage | DC 7.5–15 V (customisable) |
| Temperature range | 0–60 °C |
| Whole-device power consumption | ≤ 20 mA / 12 V |
| Sampling interval | Factory default 0 s (configurable) |
| Interface type | RS485 (Modbus RTU) |
| Cable length | Standard 10 m (custom lengths supported) |
| Installation | Manholes, channels, discharge outlets |
Applications
- Manhole and inspection chamber measurement
- Industrial discharge monitoring
- Wastewater treatment
- Discharge outlet measurement
- Sewers and culverts
- Open channels
Frequently Asked Questions
How does the Doppler method measure flow?
The instrument transmits an acoustic signal into the water and measures the frequency shift of the signal reflected by particles or bubbles carried by the flow. That shift is proportional to flow velocity, which is then combined with the cross-sectional area to calculate discharge.
Is it suitable for battery or solar powered sites?
Yes. With a whole-device consumption of no more than 20 mA at 12 V and a 7.5–15 V supply range, the MT-D800B works well on battery and solar installations.
What is the default sampling interval?
The factory default is 0 seconds — effectively continuous sampling — and the interval can be configured to suit the application.
Can the cable be lengthened?
Yes. The standard cable is 10 metres and custom lengths are supported.
Which communication protocol is used?
RS485 with Modbus RTU, allowing direct connection to telemetry terminals, data loggers or cloud platforms.
Be the first to review “Doppler Velocity and Flow Meter | MT-D800B”
High Quality
Stable performance, IP-rated field design, accurate measurement and reliable data for 24/7 water quality monitoring in harsh environments.
Fast Delivery
Timely delivery to support your urgent orders and project schedules efficiently and professionally at any time.
Best Warranty
Professional Warranty: 12-month coverage plus long-term remote support for stable water quality monitoring and customer satisfaction.
Reviews
There are no reviews yet.