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KNF-1505Pro Portable Multi-Parameter Water Quality Analyzer 6 Pluggable RS485 Probes MODBUS IP68

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KNF-1505Pro Portable Multi-Parameter Water Quality Analyzer 6 Pluggable RS485 Probes MODBUS IP68

Place of Origin : Guangdong, China

Protection Level : IP68

Number of Probes : Up to 6 pluggable RS485 probes + 1 cleaning brush

Measurement Depth : 0-30 m (pH/ORP 20 m)

Brand Name : KAFNO

Packaging Details : Export-grade corrugated carton with shock-proof foam insert, optional aluminum carrying case

Payment Terms : T/T

Signal output : RS232

MOQ : 1 Piece

Measurement Parameters : pH, ORP, DO, Turbidity, Conductivity, Salinity, Chlorophyll, Blue-green Algae, Oil in Water, Ammonia Nitrogen, Depth, Temperature

Supply Ability : 500 Pieces per Month

Certification : IP68

Delivery Time : 7-15 working days

Signal Output : RS485, MODBUS protocol (host RS232)

Model Number : KNF-1505Pro

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KNF-1505Pro Portable Multi-Parameter Water Quality Analyzer

The kainafu KNF-1505Pro portable multi-parameter water quality analyzer features an all-in-one modular design. Each parameter sensor functions as an RS485 digital probe connected to the main body via a watertight pluggable connection. Calibration data is stored directly inside each probe, enabling easy field calibration and replacement.

It supports real-time online monitoring of water temperature, pH, ORP, dissolved oxygen (DO), turbidity, chlorophyll, blue-green algae (cyanobacteria), electrical conductivity (salinity), oil in water, ammonia nitrogen and depth. The main unit supports up to 6 pluggable probes simultaneously.

KNF-1505Pro Portable Multi-Parameter Water Quality Analyzer 6 Pluggable RS485 Probes MODBUS IP68

Key Features

  • RS485 Output & Standard MODBUS Protocol: Seamless integration with data acquisition platforms and automated water quality monitoring stations.
  • Flexible Multi-Probe Support: Up to 6 pluggable probes with customizable configurations for DO, conductivity, turbidity, pH, ORP, chlorophyll, blue-green algae, oil in water, ammonia nitrogen, depth and more.
  • Automated Cleaning System: Scheduled automatic wiping eliminates measurement errors caused by air bubbles or biofouling, ideal for long-term unattended monitoring.
  • Field-Replaceable & Modular: All sensors can be replaced, calibrated and maintained on-site, offering maximum operational flexibility.
  • Smart Diagnostics: System protection and fault alarms include voltage abnormality shutoff, communication fault alert and wiper failure alert.

Technical Specifications

Product Name

Kainafu KNF-1505PRO Portable Multi-parameter Water Quality Detector

Measure depth

0 - 30 meters (PH/ORP 20 meters)

Main information

It supports up to 6 sensors for connection, along with 1 central cleaning brush. The probe and the cleaning brush can be detached and freely combined and matched.

Size

84mm x 476mm

Calibration data

The calibration data is stored within the probe. The probe can be removed for direct calibration.

Output

Continuous RS-485 output, using MODBUS protocol

Weight

2.3 kilograms (including the mother unit and 6 sensors)

Brush control

The default cleaning frequency is once every 30 minutes. The cleaning interval can be set.

Full load power

0.8W (without brush rotation), 2W (with brush rotation)

Power supply

Overall machine: DC 12-24V, ≥1A; Single probe: 9-24V, ≥1A

Protection level

IP68

Status Alert

Internal power supply abnormal alarm, internal communication abnormal alarm, cleaning brush abnormal alarm

Line Cable

Equipped with waterproof connectors, 10 meters (default), customizable

Material

POM, titanium alloy, anti-fouling copper

Host parameters

Display

7-inch touch-sensitive color display, with operation menus in both Chinese and English

Data update

2 seconds

Data export

USB drive export

Storage

Built-in storage space for over 100,000 sets of data

Analysis software

Equipped with professional PC analysis software

Signal output

RS485, USB connection for data storage

Power supply

Built-in rechargeable battery of 15000mAh

Dimensions of the shape

Mainframe: 262 x 103 x 175.5 mm

Applications

Wastewater treatment plants, surface water monitoring, marine environments, groundwater monitoring, aquaculture, river and reservoir monitoring, portable field inspection and laboratory analysis.


Optional sensor parameters

Parameters

Measurement principle

Measurement range

Precision

Material

Dissolved oxygen

Fluorescence method

0-50 mg/L or 0-500% Saturation

0-20mg/L:±1%or±0.2mg/L(Whichever is greater); >20mg/L:±5% or ±0.6mg/L

Titanium alloy

Turbidity

90° scattered light

0-1000NTU or 0-4000NTU

±5%或0.3NTU(Whichever is greater)

Titanium alloy

Conductivity (Salinity)

Four-electrode

EC:0-200mS/cm(Optional 0-2mS/cm,2-20mS/cm,20-200mS/cm);Salinity:0-175ppt; TDS:0-128000mg/L

EC:±1% or 0.01mS/cm(Whichever is greater); Salinity:±1ppt

Titanium alloy+PEEK

Water oil

Ultraviolet fluorescence method

0-50ppm或0-150ppm

Linearity R²>0.999

Titanium alloy

pH

Glass electrode method

0-14 pH

±0.02 pH

Titanium alloy+POM

ORP

Platinum electrode method

-1999~+1999mV

±20mV

Titanium alloy+POM

Chlorophyll

Fluorescence method

0-500μg/L

±5% or 0.5μg/L(Whichever is greater); Linearity R²>0.999

Titanium alloy

Blue-green algae

Fluorescence method

0~30万cells/mL(Customizable up to 0–2,000,000)

±10%或±0.5mg/L(Whichever is greater)

Titanium alloy

Ammonia nitrogen

Ion electrode method

0-100mg/L(Optional0-1000mg/L)

<0.1%F.S.

Titanium alloy+POM

Depth

Pitot-type

0m-2m…100m(Optional)

<0.1%F.S.

316L(Optional Titanium)

Temperature

Thermistor

-5~50℃

±0.2℃

/

Note: The above technical parameters are based on testing under laboratory standard solution conditions.



Product Tags:

Portable Water Quality Analyzer with RS485 probes

      

Multi-Parameter Water Analyzer MODBUS compatible

      

IP68 Water Quality Analyzer with pluggable probes

      
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