Solidat Water Industry Solution Officially Launched in Zhuhai
Sep 15, 2026| Solidat Water Industry Solution
Officially Launched in Zhuhai
Zhuhai, Guangdong, China · 2026
Solidat Applied Technologies Ltd. (Zhuhai headquarters) recently held a Water Industry Product Solution Exchange Meeting, showcasing its comprehensive product portfolio and intelligent solutions spanning six major water application domains: urban drainage, smart water conservancy, hydrological surveying, irrigation management, emergency flood control, and wastewater treatment. The event brought together representatives from water utilities, municipal design institutes, hydrological bureaus, and environmental engineering firms for in-depth technical discussions.
▲ Solidat Water Industry Product Catalog (Ver. 2026)
1. About Solidat
Solidat Applied Technologies is a high-tech enterprise specializing in R&D and manufacturing of industrial measurement and control instruments, headquartered in Zhuhai, Guangdong, with a production base in Shangrao, Jiangxi. With over 15 years of experience, the company has grown from a level instrument specialist into a full-line provider of level, flow, pressure, water quality, and hydrological monitoring instruments, exporting to 50+ countries worldwide.
In the water sector, Solidat has built an end-to-end IoT solution stack - sensing layer, transmission layer, and platform layer - covering urban pipe networks, river hydrology, irrigation districts, flood early warning, and wastewater treatment plants.
Brand philosophy: Measure The Solid Benefits...
2. Complete Water Industry Product Matrix
The following table summarizes the full product portfolio presented at the Zhuhai launch:
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Product Category |
Model |
Key Features |
Primary Applications |
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Integrated Drainage Level Terminal |
Dual probe (radar + hydrostatic), NB-IoT/4G, IP68, battery-powered, anti-theft GPS |
Manholes, flood points, drainage outfalls |
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Radar + Ultrasonic Flow Meter |
Radar for non-full-pipe, ultrasonic for full-pipe; top-mounted; Modbus RS485 |
Sewer networks, storm drains, combined pipes |
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Doppler Flow Meter |
Submerged Doppler sensor; Modbus/RS485; Ex ia; variants for open channel, river, pipe |
Open channels, rivers, drainage pipes |
|
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ADCP Profiler |
256-layer velocity profile; integrated water level; RS485/SDI-12/RS232; GPS anti-theft |
River discharge, hydrological stations |
|
|
Portable ADCP |
Battery-powered; built-in weir formulas; quick deployment |
Hydrological survey, temporary monitoring |
|
|
Open Channel Flow Monitor |
Radar velocity + ultrasonic level; Modbus; solar option |
Irrigation channels, weirs, flumes |
|
|
Split Ultrasonic Level Meter |
Controller + remote transducer; HART/Modbus/Profibus PA/FF; IP68; temperature compensation |
Tanks, reservoirs, pump stations |
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Hydrostatic Level Transmitter |
Submerged; ceramic diaphragm; built-in temp compensation; 4-20mA HART |
Wells, tanks, river water level |
|
|
Ultrasonic Level Meter |
SLDL2110 / SLDL2120 / SLDL2130 |
Non-contact; 0.05–120m range; various antenna types |
Water treatment, reservoirs, chemical dosing |
|
Silt Interface Meter |
Dual-frequency ultrasonic; 3D stratification analysis; self-cleaning |
Clarifiers, thickeners, sedimentation tanks |
|
|
Electromagnetic Flow Meter |
SLDF7140 |
Full-bore; PTFE lining; 4-20mA/HART; for conductive liquids |
Wastewater, clean water, sludge |
|
Water Quality Analyzers |
SLDW series (pH/ORP/DO/turbidity/conductivity/residual Cl) |
Digital sensors; Modbus; panel-mounted; replacement cartridges |
Potable water, wastewater, process water |
|
Ion-Selective Electrode |
SLDW1140 / SLDA2100 |
Nitrate, ammonia, phosphate ion-selective; digital RS485 |
Wastewater nutrient monitoring |
|
Multi-Parameter Water Quality |
SLDW7110 / SLSW7120 |
Multi-parameter panel; up to 10 channels; data logger |
Water quality stations, CSO monitoring |
|
Rain Gauge / Weather Station |
SLDS5200H |
Tipping bucket; 4G/NB-IoT; solar; compact |
Flood weather stations, meteorology |
3. Urban Drainage & Sewer Network Monitoring
Urban drainage networks consist of thousands of manholes, storm drains, pumping stations, and outfalls. Manual inspection is slow and unreliable, and flooding events require minute-level warning. Solidat provides a complete battery-powered, wireless sensor network for underground asset monitoring.
3.1 Integrated Drainage Level Terminal - SLDL5202
▲ SLDL5202 integrated drainage level monitoring terminal and manhole installation
Dual-probe design: ultrasonic + hydrostatic, covering 0–10m range with ±0.5% accuracy
Integrated LCD, magnetic buttons, Bluetooth APP configuration, and GPRS/NB-IoT/4G data upload
Built-in 3.6V/114Ah lithium battery - 15+ months typical operation; external battery or solar option available
IP68 waterproof, Ex ia intrinsically safe certification
Anti-theft: built-in GPS + GPRS; device moves after power loss → alert sent to mobile
Applications: manholes, flood-prone points, reservoirs, drainage outfalls, river level early warning
3.2 Radar + Ultrasonic Smart Flow Meter - SLDF2510-2M-AR
▲ SLDF2510-2M-AR dual-mode flow meter: radar for non-full-pipe, ultrasonic for full-pipe
Top-mounted installation - no contact with sewage, no blockage from debris or sediment
Non-full-pipe mode: radar measures surface velocity + ultrasonic measures level → flow calculation
Full-pipe (submerged) mode: automatic switch to ultrasonic velocity measurement
Modbus RTU over RS485; Bluetooth commissioning; remote software diagnostics
Low-power design; ideal for combined sewer overflow (CSO) and stormwater monitoring
3.3 Drainage Network Doppler Flow Meter - SLDL2510-2M-D
Submerged Doppler sensor for pipe network flow measurement
Built-in pressure level sensor; external level sensor supported
Modbus RS485; Ex ia intrinsically safe; wide power supply range
4. Smart Water Conservancy & River Monitoring
Smart water conservancy requires reliable, long-term unattended monitoring of river stage, flow velocity, and rainfall across a network of stations. Solidat offers a full suite of hydrological sensors designed for field deployment.
4.1 Acoustic Doppler Current Profiler (ADCP) - SLDLF2510 Series
▲ SLDLF2510-2M-1000H ADCP - 256-layer velocity profile for rivers up to 35m wide
Velocity profile layers up to 256; simultaneous vector angle measurement for bidirectional flow
Integrated underwater ultrasonic level gauge + hydrostatic level (external level sensor supported)
Communication: RS485 Modbus, SDI-12, RS-232, RS-422
Built-in attitude sensor - minimal installation engineering; almost no civil works required
GPS + 4G anti-theft: device dislodged or moved → GPS coordinates sent to mobile client
Low-power design; military-grade high-temperature chips; for long-term field deployment
Variants: 600H (600kHz, ~90m range), 1000H (1MHz, ~35m range), D (deep-water variant)
4.2 Split Ultrasonic Level Meter - SLDL2500 SonicSmart
▲ SLDL2500 SonicSmart split ultrasonic level meter with controller and transducers
Microprocessor + SonicSmart echo processing technology for complex conditions
Built-in temperature sensor for real-time sound speed compensation
"False echo learning" function - automatically identifies true echo among multiple reflections
Communications: HART, Modbus, Profibus PA, Foundation Fieldbus, GPRS/CDMA, Bluetooth
IP66 protection; multi-language support; echo curve display for commissioning
4.3 Hydrostatic Level Transmitter - SLDL3351 BarScan
Submerged hydrostatic measurement based on pressure proportional to liquid height
Fully sealed electronic insert + barometric compensation for environmental robustness
4-20mA HART output; 316L stainless steel; for wells, tanks, and river stage monitoring
5. Hydrological Surveying & Discharge Measurement
Hydrological survey work demands portable, rapid-deployment instruments that can measure discharge across irregular channels and produce reliable data for official reporting. Solidat provides both fixed and portable solutions.
5.1 Portable ADCP - SLDF2590 / SLDF2595
Battery-powered portable acoustic Doppler flow meter - quick deployment from bridge or boat
Built-in multiple channel algorithms: trapezoidal, rectangular, circular sections
Multiple standard velocity measurement and discharge calculation methods pre-programmed
Built-in pressure level sensor; external level sensor supported
For hydrological survey teams, temporary monitoring, and compliance verification
5.2 Doppler Flow Meter for Open Channel - SLDL2510-2M-C
▲ SLDL2510-2M-C Doppler flow meter for open channel velocity and discharge measurement
Point velocity measurement in open channels; metal mounting bracket included
All-electronic design, wide voltage, low power, no moving parts
Reliable from tap water to Yellow River water quality
Ex ia intrinsically safe; Modbus RS485 communication
5.3 Open Channel Flow Monitor - SLDF2580 Series
Radar surface velocity + ultrasonic level for non-contact open channel flow measurement
Solar-powered option; GPRS/4G remote transmission
For irrigation canals, weirs, and flumes - no submersible sensors required
6. Irrigation District Management
China's agricultural water pricing reform requires accurate water measurement at canal offtakes, branch canals, and field channels. Solidat provides cost-effective, solar-powered flow monitoring stations for large irrigation districts.
6.1 Radar Open Channel Flow Monitor - SLDF2580-GS/GX
Non-contact radar velocity sensor mounted above the canal - no flow disturbance, no sediment buildup
Ultrasonic or radar level sensor for stage measurement
Solar panel + battery power supply for remote locations without grid access
4G/NB-IoT data transmission to irrigation district management platform
Standard weir and flume formulas built-in; custom cross-section entry supported
6.2 Ultrasonic Level Meter - SLDL2110 / SLDL2120 / SLDL2130
Non-contact level measurement for canal water level, reservoir stage, and sump monitoring
Various antenna types: thread, flanged, for different pipe and tank sizes
4-20mA / Modbus / HART output; low cost for large-scale deployment
6.3 Integrated Solution for Irrigation Districts
Layered monitoring: main canal → branch canal → lateral → field
All sensors connected via RTU to district-level SCADA / cloud platform
Water balance accounting, leakage detection, and water rights management
Reduced labor cost - no manual reading required
7. Emergency Flood Control & Early Warning
Extreme rainfall and rapid urbanization have made flood and waterlogging early warning a critical infrastructure need. Solidat's low-power, quick-deployment sensor network provides real-time data for flood forecasting and emergency response.
7.1 Rain Gauge & Weather Station - SLDS5200H
Tipping bucket rain gauge with 4G/NB-IoT transmission
Solar-powered; compact; quick deployment in flood-prone catchments
Pair with level sensors for rainfall-runoff correlation modeling
7.2 Manhole / Flood Point Level Network - SLDL5202
▲ Reference: River monitoring - essential data for flood warning and water resource management
High-density network of SLDL5202 terminals across flood-prone urban areas
Minute-level data upload; threshold-based SMS/WeChat alerts
Battery life 15+ months - no maintenance during flood season
Anti-theft GPS ensures equipment survives after flood recedes
7.3 River Discharge Monitoring - ADCP + Radar Flow
ADCP at key river cross-sections for continuous discharge measurement during flood events
SLDF2510-2M-AR at stormwater outfalls - measures overflow volume during rain events
All data feeds into flood forecasting platform for dispatch decisions
7.4 Rapid Deployment Capability
Battery-powered / solar-powered - no grid connection needed
Bluetooth configuration - commission in 5 minutes per site
Pre-engineered mounting brackets for poles, walls, bridges
Typical deployment: 100+ sensor sites per city in a single flood season preparation cycle
8. Wastewater Treatment Plants
Municipal and industrial wastewater treatment plants require continuous monitoring of multiple water quality parameters across all treatment stages. Solidat provides a full-range water quality instrument portfolio integrated with level, flow, and interface measurement.
8.1 Water Quality Analyzers - SLDW Series
|
Parameter |
Product |
Treatment Stage |
|
pH / ORP |
SLDW pH / ORP sensors |
Influent, effluent, dosing control |
|
Dissolved Oxygen (DO) |
SLDW DO sensor |
Aeration basin control |
|
Turbidity / SS |
SLDW3730 turbidity |
Effluent monitoring, clarifier overflow |
|
Conductivity |
SLDW conductivity |
RO, desalination, ionic balance |
|
Residual Chlorine |
SLDW Cl sensor |
Disinfection contact tank |
|
Nitrate / Ammonia |
SLDW1140 / SLDA2100 ISE |
Nitrification/denitrification control |
|
Multi-parameter Panel |
SLDW7110 / SLSW7120 |
Plant-wide water quality monitoring |
8.2 Silt Interface & Sludge Level - SLDL2560 SonarSilt
Dual-frequency ultrasonic transducer (50kHz + 200kHz) for thick/thin sludge layers
3D stratification analysis algorithm with 23 built-in interface calculation models
Automatic ultrasonic self-cleaning - reduces manual maintenance
Real-time layered data: clear water layer, settling layer, sludge layer
Applications: primary clarifiers, secondary clarifiers, thickeners, dissolved air flotation (DAF)
8.3 Electromagnetic Flow Meter - SLDF7140
Full-bore magnetic flow meter for conductive liquids: wastewater, sludge, mixed liquor
PTFE lining, Hastelloy electrodes; 4-20mA HART output
Sizes DN15–DN2000; bidirectional measurement
For influent/effluent flow measurement and process control
8.4 Level Measurement in Treatment Process
SLDL2500 ultrasonic level: aeration tanks, digesters, storage tanks
SLDL3351 hydrostatic level: wet wells, pump stations, sump monitoring
SLDL5200 radar level: chemical dosing tanks, lime silos, polymer preparation
All instruments integrate with plant SCADA via Modbus / HART / Profibus
8.5 Portable Sampling & Verification
SLDF2590 portable ADCP for receiving well channel flow verification
SLDW7110 portable multi-parameter for compliance sampling and calibration cross-check
9. Technology Highlights
Ultra-low power: all hydrological terminals run 1–3 years on a single battery; solar option available
Multi-protocol support: Modbus RTU, SDI-12, HART, Profibus PA, Foundation Fieldbus, GPRS/NB-IoT/4G
Wireless all-in-one: sensor + logger + transmitter + battery in one IP68 enclosure - zero cabling
Dual-probe fusion: radar + ultrasonic complement each other for full-pipe/non-full-pipe, clear/dirty water
Anti-theft design: GPS location + motion alarm for unattended field equipment
Digital water quality sensors: Modbus digital output - no signal degradation over long cables
10. Looking Forward
The Zhuhai launch marks Solidat's strategic upgrade from a traditional industrial instrument supplier to an integrated water IoT solution provider. Going forward, Solidat will:
Deepen smart water conservancy - partnering with hydrological bureaus and design institutes to automate river discharge monitoring
Support urban flooding resilience - providing high-density sensor networks for sponge cities and CSO monitoring
Enable irrigation modernization - serving agricultural water pricing reform with accurate canal flow measurement
Expand water quality portfolio - completing pH/DO/turbidity/sludge interface full-line products
Global delivery - bringing Chinese water industry experience to Belt and Road countries
Measure The Solid Benefits...
Contact Us
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Company |
SOLIDAT APPLIED TECHNOLOGIES LIMITED / Solidat (Beijing) Control System Co., Ltd. |
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HQ Address |
No.33 Kerong Road, Xiangzhou District, Zhuhai City, Guangdong Province, P.R.China |
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WhatsApp / Tel |
+86 18602022788 |
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solidat@solidat.net |
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Website |
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Product Catalog |