Online Multi-parameter Controller

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Hangzhou Lohand Biological Technology Co.,Ltd

Zhejiang, China

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Item	Specification	Item	Specification
AC power supply	186-240V 50/60Hz	Analog Control A	0-20mA or 4-20mA
Working condition	Ambient temperature0-60℃，relative humidity<90%RH	Analog Control B	0-20mA or 4-20mA
pH alarm and control	Relay load AC220V 10A	Display resolution	1024*600
Residual Chlorine alarm and control	Relay load AC220V 10A	Size	900600200cm
ORP measuring range	-2000mV-2000mV	Temperature measuring range	0-60℃
ORP accuracy	±6mV	Temperature resolution	0.1℃
ORP resolution	1mV	Temperature accuracy	0.1℃
pH measuring range	0-14	Turbidity measuring range	0-200NTU
pH resolution	0.01	Turbidity resolution	0.01NTU
pH accuracy	±0.05	Turbidity accuracy	0.02NTU
pH standard solution	6.86/4.00/9.18	Controller Residual Chlorine range	0-20mg/L
Hypochlorous acid measuring range	0-1.5mg/L	Residual Chlorine sensor measuring range	0-3mg/L
Hypochlorous acid resolution	0.01mg/L	Residual Chlorine resolution	0.01mg/L
Residual Chlorine accuracy	When the pH value is between 5.0-7.2 and constant, the residual chlorine accuracy is ±0.03 mg/L or 3%, whichever is greater (Under constant pH test, pH within the error range of±0.2）
	When the pH value is between 7.2-8.5 and constant, the residual chlorine accuracy is ±10% (Under constant pH test, pH within the error range of±0.5）
	When the pH value is between 8.5-9， the residual chlorine accuracy is ±20%
	When the pH is greater than 7.2, it is not suitable to test the low residual chlorine value; When the pH is greater than 9, the test value will be inaccurate
	When the measurement is below 0.10 mg/L, the concentration error cannot be calculated by percentage; When the DPD test error, the error is calculated by ±0.03 mg/L.
Residual Chlorine repeatability	0.03 mg/L or 3% whichever is greater

Ten-inch high-definition LCD industrial touchscreen display multiple parameters at the same time: ORP、 residual chlorine, pH、 turbidity, temperature
Touchable screen keys, one key switch parameters, graphs, query history data, easy to operate.
Wireless SIM card connection, remote computer monitoring, mobile phone APP real-time query.
The instrument uses a high-precision signal acquisition and amplification circuit, extremely high measurement accuracy, and good stability.
pH automatic temperature compensation, automatic identification of standard liquid, convenient calibration, and accurate test parameters.
Residual chlorine, automatic/manual pH、 temperature compensation, and small range sensor detection parameters are more accurate.
For the turbidity digital electrode, uses reset settings and use without calibration.
ORP digital electrode, easy calibration, strong anti-interference, and fast response.
Parameter setting according to the screen prompt, the operation of man-machine interaction, simple and convenient.
In-machine LCD backlights can be set according to the environment or operation time, more humane.
Three roads relay output control, can automatically alarm or with the dosing pump and other peripherals for automatic water quality control.
Two analog control signal outputs, external control circuit, and equipment.
Restore factory settings to avoid data reset after misoperation.
The watchdog setting ensures that the instrument does not crash during use.
IP65 protection grade, waterproof, moisture-proof, and dustproof to ensure the service life of the instrument.
According to the ISO9001 of this instrument, The 2015 quality management system requires production, and before leaving the factory after strict testing and correction, to meet the requirements of the specifications.