DZB-712 portable multi parameter water quality analyzerDetailed product description：

Product Description
The DZB-712 portable multi parameter water quality analyzer is mainly used for field collection of pH, ORP, conductivity, temperature, and dissolved oxygen values of aqueous solutions, and can also be used as a measuring instrument in laboratories. Suitable for industries such as petrochemicals, biomedicine, wastewater treatment, environmental monitoring, mining and smelting, as well as universities and research institutions.

Key Features:
Adopting MCU technology, wide screen LCD display, and operation prompt function;
Easy and convenient to use. Adopting a new type of PC panel with good reliability;
Capable of measuring pH, ORP, conductivity, and temperature;
Automatic temperature compensation, automatic switching of conductivity range, power-off protection and other functional instruments;
The instrument adopts low-power design and has undervoltage display;
Five pH buffer solutions can be selected for one point or two-point calibration of the instrument

technical indicators

technical performance	DZB-712
	pH (pH)	ORP (mV)	conductivity (μS/cm)	dissolved oxygen （mg/L）	temperature (℃)
measurement range	0.00~14.00	-1999~1999	0~1.999×105	0.0~19.9	0.0~60.0
Basic error of electronic unit (± 1 word)	±0.01	±0.2%(FS)	±1.5%(FS)	±0.1	±0.5
Basic instrument error (± 1 word)	±0.02	±0.75%(FS)	±2.0%(FS)	±0.50 The difference between the calibrated water sample temperature and the measured water temperature is ± 10 ℃	±1.0
Stability of electronic units	±0.01/3h	±0.1%(FS)/3h	±0.5%(FS) ± 1 word/3h	±0.1/3h	±0.3/3h
Instrument repeatability error	zero point zero one	0.25%(FS)	0.67%(FS)	zero point two	zero point three
Temperature compensation range	(0~60) ℃		(0~40)℃
Input impedance of electronic unit	1×1012Ω
Sensor response time					30s