Water quality monitoring instrument

　　Equipment parameters:
　　Name: water quality monitoring instrument
　　Model: zl-jcy001
　　The test items: COD
　　Type: water quality on-line analyzer
　　Measuring range: 0-1000 mg/l
　　Accuracy: 5% or less
　　Power supply voltage: 220 v
　　Resolution: less than 1 mg/L
　　Applicable industry: water laboratory, the centers for disease control and prevention, aquaculture industry, hospital, swimming pool
　　Processing custom:
　　Usage: used for measurement of COD in 10-30000 mg/L range wastewater
　　Water quality detector, professional instrument for water quality analysis of component content, mainly refers to: measuring the water BOD, COD, ammonia nitrogen, total phosphorus, total nitrogen, turbidity, PH, dissolved oxygen instrument.

Water quality monitoring instrument

　　Product features:
　　1.The calibration function: with automatic, manual for zero and span calibration (blank and calibration), in the automatic state can be calibrated according to certain cycle.
　　2.The automatic cleaning function: measurement start, end, two automatic cleaning pretreatment device, sampling tube road, instrument piping, valves and other components.
　　3.The control function of the external mining pump: external can automatically control the pump start and stop.
　　4.Protection function: with functions of cutting off power and water protection and automatic recovery and other automatic protection function, reliable grounding, grounding resistance 4 ohms or less.
　　5.Alarm function: a system failure, power outages, lack of reagent and sample deficiency, lack of distilled water and testing data overweight abnormal situations such as automatic alarm function.
　　6.Alarm relay output function: when the measured concentration of water samples more than set parameters, with functions of relay contact output.
　　7.Special core parts: high sensitivity photometric detection system high stability, high precision sampling mechanism, pressure digestion system, lack of reagent alarm function.
　　8.Manual or automatic measurement: off-line manual, automatic offline, online automatic measurement.
　　9.Communication protocol: unified according to the requirements of the buyer.
　　10.Output: simulation (4 ~ 20, 0 to 20 ma, 0 ~ 5 v), digital (RS232 or RS485), according to the need to increase the analog sampling quantity unit.
 

Water quality monitoring instrument

　　Technical parameters:
　　Measuring principle: potassium dichromate heat dispelling, colorimetric determination.
　　Measuring range: 0-1000 mg/l (or 0 - > 1000 mg/l), can according to customer's need to expand the range.
　　Measurement mode: COD on-line automatic monitoring.
　　Measurement cycle: 20 points.
　　Shows: 5.6 -inch color LCD screen (COD mg/l), 640 * 480 resolution.
　　Correction: instrument can timing for sensitivity and zero point correction.
　　Analog output: 0/4-20 ma;
　　Accuracy: 5% or less
　　Repeatability: 2% or less
　　Resolution: < 1 mg/L
　　Zero drift: plus or minus 3% F.S
　　Span drift: plus or minus 5% F.S
　　Ability to resist chloride ion interference: range is 100 mg/L, resistance to chlorine ion concentration of 1000 mg/L;Range is 200 mg/L, resistance to chlorine ion concentration of 2000 mg/L;A range of 500 mg/L, resistance to chlorine ion concentration of 5000 mg/L.Range is 1000 mg/L, resistance to chlorine ion concentration of 1200 mg/L;A range of 5000 mg/L, resistance to chlorine ion concentration of 6000 mg/L
　　Less reagents: testing the required test dose, reduce operating costs.
　　Instrument working temperature: 0-50 ℃
　　Instrument working power supply: voltage 220 vac + / - 10%;Frequency 50 hz + / - 5%;Power is less than 100 w
　　Instrument relative humidity: 85% RH or less
　　An abnormal working state alarm prompt.