online chlorophyll detector
measuring principle
The chlorophyll sensor uses the characteristics of chlorophyll A having absorption peak and emission peak in the spectrum to emit monochromatic light of A specific wavelength into the water. The chlorophyll A in the water absorbs the energy of the monochromatic light and releases another wavelength of monochromatic light. The light intensity emitted by chlorophyll A is proportional to the content of chlorophyll A in the water.
functional characteristics
It is based on the fluorescence of the target parameters, which can be identified before the potential bloom causes the impact;
No extraction or other treatment, rapid detection, to avoid the impact caused by the shelving of water samples;
Digital sensor, strong anti-interference ability, the transmission distance is long;
Standard digital signal output, which can be integrated and networked with other devices without a transmitter;
Sensor site installation is convenient and fast, to achieve plug and play;
Simple use, reliable results, interface operation instructions can reduce operation errors;
Set up a visual alarm system to provide important alarm functions;
The controller can realize the wall hanging mounting / panel installation / clip pipe installation;
Sensor power supply positive and negative electrode reverse connection protection;
Sensor RS485 A / B terminal with wrong power protection.
Typical application
Online monitoring of chlorophyll from waterworks import, drinking water source, aquaculture, etc.;
Online monitoring of chlorophyll in different water bodies, such as surface water, landscape water and seawater.R2=0.999
| Sensing technical parameter | |
| measuring range | 0-500 ug/L |
| measurement accuracy | The signal level of 1ppb Rhodamine dye corresponds to the value ± 5% |
| repeatability | ±0.3% |
| resolution ratio | 0.01ug/L |
| pressure limit | ≤0.4Mpa |
| calibration | Deviation calibration, slope calibration |
| requirements | The distribution of chlorophyll in water is very uneven, so multi-point monitoring is recommended. The turbidity of the water is less than 50MTU |
| Sensor material | Body: SUS316L(ordinary version), titanium alloy (seawater version) Upper and lower cover: POM, cable: PUR |
| storage temperature | -15° C to 50 ° C |
| working temperature | 0 to 45 ° C (no freezing) |
| size | Diameter 30mm* Length 223mm |
| weight | 0.55KG |
| level of protection | IP68/EMA6P |
| cable length | Standard cable length: 10m, extendable 100m |
Controller parameters
| Model | MDS-KP500 |
| Display | 4.3 inches, 480*800 resolution, 262K color, IPS screen, wide viewing Angle, with backlight |
| Capacitive touch screen with three protection processes (moisture-proof, mildew proof, salt spray proof) | |
| Display size | 95.0mm*53.9mm |
| Measuring range | -99999.0000~99999.0000 |
| Password Protection | The default password is 0000 |
| Compatible sensor | Digital sensor |
| Mounting method | Disk mounting (with chassis), wall-mounted mounting |
| Alarm relay | 2 relays can set high and low alarm |
| Current output | 2 isolated 4-20mA, maximum load 750Q, can be set |
| Communication port | RS485 Modbus RTU |
| Memory backup | All user Settings are stored indefinitely in EERPOM |
| historical data | The storage capacity of 8000 points is recorded at a 5-minute interval |
| Operating environment | -10~+50℃,0~95% relative humidity, no condensation |
| Storage environment | -20 to +70 ° C,0 to 95% relative humidity, non-condensing |
| The power supply | 12V±10% |
| Power consumption of the instrument | less than 6W |
| Instrument size | 144X145X85(mm) |
| Protection class | IP65 |
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