Calcium Sensor For Water Quality, 0.2~40,000 Ppm

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$613.53

Ex Tax: $613.53

Stock: In Stock
Model: RDDLZ-WQS-ICA
Weight: 1.00
SKU: RDDLZ-WQS-ICA

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Calcium sensor for water quality, with a measurement range of 0.2 to 40,000 ppm. This highly accurate water quality sensor works in temperatures from 0 to 50°C and pressures up to 2 atm. It’s sensitive, supports online monitoring, and is perfect for rivers, tap water, industrial wastewater, leachate, seawater, mining water, soil, and cement.

Specification

Ion Concentration
Measurement Range	0.2~40000 ppm
Resolution	0.01 ppm
Measurement Accuracy	±3% FS
Temperature
Measurement Range	-10.0 to 110.0 ℃
Resolution	0.1 ℃
Measurement Accuracy	±0.5 ℃
Temperature Type	Thermistor NTC10K
Temperature Compensation	Automatic
Data Transmission
Interface	RS-485
Protocol	MODBUS-RTU communication protocol
Other Parameters
Working Voltage	9~27 VDC
Dielectric Strength	2500 Vrms
Power Consumption	Approx. 0.5 W
Material	PPS Solid
Installation Method	3/4 inch front and rear thread
Slope	26±2 mV @ 25°C
Repeatability	±2%
Interference Ion	Pb²⁺, Hg²⁺, Cu²⁺, Ni²⁺
Pressure Range	0~2 atm
Response Time	≤30 seconds to reach 95% response
Storage	Long-term: dry storage; Short-term: store in calcium ion standard solution
Measurement Range	0.2 ppm~40,000 ppm
pH Range	3~10 pH
Output Impedance	20~50 MΩ
Working Temperature	0~50 ℃
Maintenance & Cleaning	Clean with deionized water first, then rinse with calcium standard solution
Online Monitoring	Supported
Calibration Point	1 ppm Ca²⁺
Reference Electrode	Double junction, single liquid junction structure
Connector Type	Terminal
Applications	Rivers, tap water, industrial wastewater, leachate, seawater, mining water, soil, cement, biomedicine, environmental monitoring, fertilizers, calcium ion detection

Feature

High Precision Electrodes: The calcium sensor has highly accurate electrodes that do not require any trial solutions, preventing contamination and ensuring more stable and accurate data.
Easy Installation: Equipped with a G3/4 pipe thread, the sensor is simple to install and helps reduce installation costs.
RS485 Output: Supports RS485 signal output, making it compatible with various monitoring and control systems.
Low Power Consumption: The ion sensor operates with a low power consumption of <0.5W, ensuring efficient use of energy.
High-Quality Cable: The water quality sensor is designed with high-quality, low-noise cables (standard length 5m, customizable), ensuring stable data transmission.

Dimension (Unit: mm)

Wiring Instructions

Function	Color	Description
Data Transmission	Yellow Wire	RS-485 Communication T/R+ (A)
Data Transmission	White Wire	RS-485 Communication T/R− (B)
Power Supply	Red Wire	DC Power Positive
Power Supply	Black Wire	DC Power Ground

Application

Tips: How can I solve the problem of inaccurate or non-responsive measurement of the calcium sensor?

If the sensor appears to be measuring inaccurately or not responding at all, there are several things you can try:

Check the sensor for contamination: Suspended matter, grease or other deposits in the water may affect the sensor's measurement accuracy. Wash the sensor with deionised water to ensure its surface is clean.
Recalibrate: If measurements deviate from standard values, it may be necessary to recalibrate to ensure the sensor is adapted to the current water quality.
Check power supply and connections: Ensure that the power supply to the sensor is stable and that there are no problems with the connection to the data logger or control system. A faulty connection may result in abnormal or unresponsive readings.
Check electrode condition: After prolonged use, the electrodes may become worn or degraded, resulting in inaccurate measurements. Consider replacing the electrodes at this time.

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