Water hardness online monitor

Working principle:

The entire measurement system of the online calcium ion monitor in water mainly consists of two parts: the instrument (secondary instrument) and the industrial ion electrode (primary meter). The industrial ion electrode contacts the measured aqueous solution, and the instrument displays the ion concentration value and temperature value of the aqueous solution and the working status.

Application areas: water treatment, discharge port monitoring

Product advantages:

✬Applicable to wastewater treatment and pollution source emission monitoring in the semiconductor industry, photovoltaics, metallurgy, etc.

✬High-quality thin film, accurate zero potential without drift.

✬Double salt bridge design, longer service life.

✬Electrode material PP has good dielectric properties and high-frequency insulation and is not affected by humidity.

Instrument features:

❊Dot matrix LCD screen display

❊Intelligent menu operation

❊Various automatic calibration functions

❊Various signal output modes

❊Manual and automatic temperature compensation

❊Three groups of relay control switches

❊High limit, low limit, hysteresis control

❊Same interface displays ions, temperature, status, etc.

Technical parameters:

Measuring range 0.2-40000mg/L

Measurement accuracy 5% of the measured value + 0.2mg/L or ±2.5% of the reading, whichever is greater

PH range 2.5-11pH

Temperature measurement 0-50℃ ±0.3℃

Membrane resistance ＜50MΩ

Resolution 0.01mg/L Temperature: ±0.1℃

Sensor installation Immersion type, flow type

Sensor level IP68

Connection thread NPT3/4’’

Connection method Standard 10m cable

Relay three groups 5A 240VAC/5A 28VDC or 120VAC

Power supply 85～265VAC or 9～36VDC, power: ≤3W

Current output 2-way 4-20mA as standard

Instrument output RS485 Modbus RTU as standard

Instrument size 144*144*118mm

Instrument opening 138*138mm

Protection grade IP65

Instrument installation Panel/cabinet/embedded or wall-mounted

Instrument weight 0.8kg

Ambient temperature -10～60℃; Relative humidity: ≤90%; No strong magnetic field interference around except the earth's magnetic field

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