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Help CenterSJ-6589 Acid and Alkali Salt Concentration Meter
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Applications：
Industrial on-line acid/alkali/salt concentration monitor
is a water quality on-line controller with microprocessor.
The instrument is widely used in thermal power,
chemical industry, steel pickling and other industries,
such as the regeneration of ion exchange resin in power
plant, chemical and chemical industrial process, etc.,
to continuously detect and control the concentration
of chemical acid or alkali in aqueous solution.
Feature：
●LCD display
●Intelligent menu operation
●Data Record & Curve Display
●Manual and automatic temp. compensation
●Three sets of relay control switches
●High alarm & low alarm, hysteresis control
●4-20mA&RS485 Multiple output modes
●Concentration,temperature & current valuesimultaneously displayed in one screen
●Password protection function to preventmisoperation by non-staff
Technical parameters:
Measuring range:NAOH：0～16%； CaCL2：0～22%；
NACL：0～10%； HNO3：0～10%；
HCL：0～10%； H2SO4：0～10%；
Temperature: -10～150.0℃；
Resolution: Concentration: 0.01%；
Temperature: 0.1℃；
Basic error: Concentration: ±0.25%；
Temperature: ±0.3℃；
Stability: ±0.25%/24h；
Two Current output:0/4~20mA(load resistance20~4mA(load resistance
Communication output: RS485 MODBUS RTU；
Three relay control contacts: 5A 250VAC，5A 30VDC；
Power supply(optional):
85～265VAC±10%,50±1Hz，
Power :≤3W；9～36VDC，
Power : ≤3W；
Overall dimension: 144×144×118mm；
Installation mode: panel, wall hanging, pipe type;
Panel opening size：138×138mm；
Waterproof grade： IP65；
Instrument weight： 0.8kg；
Instrument working environment：
Environment temperature ：-10～60℃；
Relative humidity：≦90%；
In addition to the earth's magnetic field aroundno strong magnetic interference
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