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IS843D Online Multi-Parameter Water Quality Sensor with Auto-Cleaning
single probe for the IS843D Online Multi-Parameter Water Quality Sensor
  1. IS843D Online Multi-Parameter Water Quality Sensor with Auto-Cleaning
  2. single probe for the IS843D Online Multi-Parameter Water Quality Sensor

Inline Multi-Parameter Water Quality Sensor with Auto-Cleaning IS843D

IS843D multi-parameter water quality sensor allows simultaneous measurement of multiple water parameters, including pH, ORP, turbidity, dissolved oxygen, etc. The IS843D multi-parameter water quality sensor features automatic probe cleaning, fast response algorithm (<30s), digital RS485 Modbus output and efficient alarm system, simplifying long-term unattended water quality monitoring. Suitable for data acquisition platforms and automatic water quality stations.
SKU: IS843D Categories: , , Tag:
  • Multi-parameter water quality sensor with digital RS485 output and standard Modbus protocol for easy integration into data acquisition platforms and automatic monitoring stations.
  • Supports simultaneous measurement of up to 7 parameters and accommodates up to 6 interchangeable digital probes for pH, ORP, CT, turbidity, ODO, BGA, chlorophyll, and oil-in-water.
  • Equipped with an automatic cleaning device, automatically cleans at regular intervals to eliminate probe errors caused by pollution or air bubbles, ensuring long-term reliable monitoring.
  • Each single-parameter probe can be replaced, calibrated, and maintained independently in the field, providing users with great flexibility and convenience.
  • High-efficiency acquisition algorithm ensures fast response within 30 seconds, and alerts users to abnormal events such as downtime, communication failures, and cleaning requirements.
  • Durable IP68 waterproof connector ensures easy installation and reliable performance in a wide range of environmental conditions.
ParameterSpecification
Main InformationSupports up to 6 freely configurable sensor, 1 removable central cleaning brush
DimensionsΦ84 mm × 476 mm
Operating Temperature0 to 50 ℃
Calibration DataStored in the single-parameter probe; supports independable calibration in the field
OutputOne Channel RS-485 output, MODBUS protocol
Cleaning BrushYes / Standard
Brush ControlDefault 30 minutes (adjustable interval)
Power Consumption0.8 W (non wiping), 2 W (wiping)
Power Supply RequirementsWhole sensor: DC 12–24 V, ≥1 A; Single probe: 9–24 V, ≥1 A
Protection ClassIP68
MaterialsPOM, Titanium alloy, Anti-fouling copper
Status AlarmsInternal power anomaly alarm, internal communication anomaly alarm, cleaning brush anomaly alarm
Cable LengthWith waterproof connector, 10 m (default), customizable

 

Sensor TypePrincipleMeasuring RangeAccuracy / LinearityMax Water Depth
Dissolved OxygenOptical Method0 to 20 mg/L or 0 to 200% saturation±1% or ±0.3 mg/L, whichever is greater40 m
Turbidity90° Scattering Light0.1 to 1000 NTU±5% or 0.3 NTU, whichever is greater40 m
Conductivity (Salinity)Four-electrode0 to 5 mS/cm or 0–100 mS/cm0–2.5 ppt or 0–80 ppt40 m
Oil-in-WaterUV Fluorescence Method0 to 150 ppm (BTEX)R² > 0.99940 m
pH SensorGlass Electrode Method0 to 14 pH±0.02 pH20 m
ORP SensorPlatinum Electrode Method-1999 to 1999 mV±20 mV20 m
ChlorophyllOptical Method0 to 500 µg/L±5% or ±0.5 µg/L, whichever is greater40 m
CyanobacteriaOptical Method0 to 30 × 10⁴ cells/mL (customizable 0 to 200)R² > 0.99940 m

Specifications are subject to change without prior notice.

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