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Dual-Channel Water Quality Controller
Dual-channel water quality controller that connects up to two digital sensors and monitors parameters such as DO, pH, ORP, conductivity, turbidity, COD and ammonia. Outputs include one RS485 channel, two 4-20mA channels and two programmable relays, suitable for surface water, sewage plants, waterworks and industrial process control.
- Output
- One RS485 channel, two 4-20mA channels
- Operating temperature
- -15 to 60 °C
- Power supply
- 110-220V AC
- Display
- 5 inch color touch screen
- Supports any two digital sensors simultaneously for multi-parameter monitoring.
- Plug-and-play electrode installation for quick replacement.
- 4-20mA and MODBUS RS485 data transmission with data storage/export.
- 5-inch color touch screen with guided menu interface.
- Wall-mounted or panel/disk mounting options.
- Automatic error and warning prompts with alarm signal upload.
Specifications
SZ610-B technical data
| Parameter | Value |
|---|---|
| Display | 5 inch color touch screen |
| Power supply | 110-220V AC |
| Output | One RS485 channel, two 4-20mA channels |
| Relay | 2 relay, program setting response type and response value |
| Communication protocol | Standard MODBUS RS485 |
| Material | ABS housing |
| Operating temperature | -15 to 60 °C |
| Dimensions | 151.44mm*144.5mm*117mm (height * width * thickness) |
| Installation | Wall mounting or disk mounting (hole size 138*138mm) |
| Weight | 0.8 kg |
| Data storage | Continuous storage >2 years |
| Supported sensor types | COD, ammonia nitrogen, DO, conductivity salinity, TUR, pH, CHL, BGA, OIW, TSS, chroma, transparency and other sensors |
Applications
Where the SZ610-B is used
Ordering
Terms & how ordering works
- MOQ
- 1 pc (flexible, no minimum for most products)
- Lead time
- 2-3 days for in-stock items, 15-30 days for custom orders
- Warranty
- 12-month warranty on all products
- Shipping
- FOB Ningbo / CIF available
- 01
Send Requirements
Medium, range, output and quantity.
- 02
Quote in 12h
Matched model, price and lead time.
- 03
Pre-shipment Check
Every unit inspected against spec.
- 04
Ship FOB / CIF
Export documents handled for you.
Request a Quote
SZ610-B Dual-Channel Water Quality Controller
Sales engineer replies within 12 hours
Or WhatsApp +86-15958288207
SZ610-B questions
What ranges are available for the SZ610-B?
What is the MOQ and lead time?
Can the SZ610-B be customized?
Do you manufacture this transmitter?
Need the right dual-channel water quality controller for your process?
Send the medium, range, output, and quantity. We will confirm the matching option and a FOB Ningbo quote.




