UNI-30 Universal Water Quality Transmitter
Model: UNI-30
3.5-inch color LCD universal transmitter for pH, DO, ORP, conductivity, turbidity, SS, UVCOD, UVNO3, chlorophyll, blue-green algae, ammonia, residual chlorine, transparency, color, and other online sensors.

UNI-30
3.5-inch color LCD universal transmitter for pH, DO, ORP, conductivity, turbidity, SS, UVCOD, UVNO3, chlorophyll, blue-green algae, ammonia, residual chlorine, transparency, color, and other online sensors.
Best for: Compact universal transmitter installation for single-parameter water quality monitoring projects, Wastewater, drinking water, surface water, aquaculture, industrial process water, and environmental monitoring systems, Automation projects requiring MODBUS RS485, 4-20 mA, and relay control from a compact transmitter.
Specifications
- Display: 3.5-inch color LCD display
- Power supply: AC 100-240 VAC; DC 24 VDC
- Output: 2-channel 4-20 mA
- Relay: 2 SPDT relays with configurable response parameters and response values
- Communication: MODBUS RS485
- Main material: Polycarbonate
- Storage temperature: -25 to 70°C
- Operating temperature: -20 to 60°C
- Protection: IP65
- Size: External: 155 x 155 x 120 mm (L x W x H); cut-out: 139 x 139 mm (W x H)
- Weight: 0.85 kg
Applications
- Compact universal transmitter installation for single-parameter water quality monitoring projects
- Wastewater, drinking water, surface water, aquaculture, industrial process water, and environmental monitoring systems
- Automation projects requiring MODBUS RS485, 4-20 mA, and relay control from a compact transmitter
- Wastewater treatment applications
- Drinking water applications
- Surface water applications
- Industrial process water applications
- Aquaculture applications
- Environmental monitoring applications
- System integration applications
Benefits
- Universal controller for FUNEL pH, DO, ORP, conductivity, turbidity, SS, UVCOD, UVNO3, chlorophyll, blue-green algae, ammonia, residual chlorine, transparency, and color sensors
- 3.5-inch color LCD with Chinese-English navigation menu and rich visual operation interface
- 2-channel 4-20 mA output, MODBUS RS485, and SPDT relay output
- Reinforced engineering plastic housing with silicone keypad for demanding industrial environments
- Automatic error and alarm display with signal upload, data storage, historical records, and export functions
- Wall mounting, panel mounting, and clamp installation options
Frequently asked questions
What does the UNI-30 measure?
UNI-30 is configured for Display: 3.5-inch color LCD display; Power supply: AC 100-240 VAC; DC 24 VDC; Output: 2-channel 4-20 mA; Relay: 2 SPDT relays with configurable response parameters and response values.
Where is the UNI-30 used?
Typical applications include Compact universal transmitter installation for single-parameter water quality monitoring projects, Wastewater, drinking water, surface water, aquaculture, industrial process water, and environmental monitoring systems, Automation projects requiring MODBUS RS485, 4-20 mA, and relay control from a compact transmitter, Wastewater treatment applications.
How do I select or order the UNI-30?
Send FUNEL your target parameters, measuring range, water type, quantity and application. We will confirm the configuration and provide a quotation and datasheet.
Tell us your water type and signal requirements
We will help select the right analyzer, sensor, controller, output signal and installation plan for your project.
Get a project quote
Send parameter, measuring range, quantity, output signal and application. We will prepare a quotation and datasheet.
Request quote