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The high resolution dissolved oxygen tester has more advantages in various fields such as wastewater, aquaculture and fermentation,etc.
Simple operation, powerful functions, complete measuring parameters, wide measurement range;
one key to calibrate and automatic identification to complete the correction process; clear and readable display interface, excellent anti-interference performance, accurate measurement, easy operation, combined with high brightness backlight lighting;
DO200 is your professional testing tool and reliable partner for laboratories, workshops and schools daily measurement work.
All-weather precise, Comfortable holding, Easy carrying and Simple Operation.
65*40mm, large LCD with backlight for easy meter information reading.
IP67 rated, dustproof and waterproof ,floats on water.
Optional Unit display:mg/L or %.
One key to check through all the settings, including: zero drift and slope of electrode and all the settings.
Automatic temperature compensation after salinity/atmospheric pressure input.
HOLD read lock function.Auto Power off saves battery after 10-mins non-use.
Temperature offset adjustment.
256 sets of data storage and recall function.
Configure the console portable package.
| DO200 Portable Dissolved Oxygen Meter | ||
| Oxygen Concentration | Range | 0.00~40.00mg/L |
| Resolution | 0.01mg/L | |
| Accuracy | ±0.5%F.S | |
| Saturation Percentage | Range | 0.0%~400.0% |
| Resolution | 0.10% | |
| Accuracy | ±0.2%F.S | |
| Range | 0~50ºC(Measurement and compensation) | |
| Temperature | Resolution | 0.1ºC |
| Accuracy | ±0.2ºC | |
| Atmospheric pressure | Range | 600 mbar~1400 mbar |
| Resolution | 1 mbar | |
| Default | 1013 mbar | |
| Salinity | Range | 0.0 g/L~40.0 g/L |
| Resolution | 0.1 g/L | |
| Default | 0.0 g/L | |
| Power | Power supply | 2*7 AAA Battery |
| Others | Screen | 65*40mm Multi-line LCD Backlight Display |
| Protection Grade | IP67 | |
| Automatic Power-off | 10minutes (optional) | |
| Working Environment | -5~60ºC,relative humidity<90% | |
| Data storage | 256 sets of data storage | |
| Dimensions | 94*190*35mm (W*L*H) | |
| Weight | 250g | |
| Sensor/Electrode specifications | |
| Electrode model No. | CS4051 |
| Measurement range | 0-40 mg/L |
| Temperature | 0 - 60 °C |
| Pressure | 0-4 bar |
| Temperature sensor | NTC10K |
| Response time | < 60 s (95%,25 °C) |
| Stabilization time | 15 - 20 min |
| zero drift | <0.5% |
| Flow rate | > 0.05 m/s |
| Residual current | < 2% in air |
| Housing material | SS316L, POM |
| Dimensions | 130mm, Φ12mm |
| Membrane cap | Replaceable PTFE membrane cap |
| Electrolyte | Polarographic |
| Connector | 6-pin |


Elian Sensing is a high-tech company integrating production.R&D,sales and engineering services.Relying on the rich high-tech rosources in Xi'an,we have carried out technlcal cooperation with many universities and scientific research institutions, constantly breaking through technical barriers,improving product performance,and using leading technology to provide high-quality products for the water quallty monitoring industry. Based on the current rapid development of the Interet of Things technology,we launched a wireless water quality monitoring solution,combining smart terminals and traditional display units through wireless transmission to achieve real-time dynamic water quality monitoring functions such as data cloud display,remote cloud control,and upper and lower limit alarms.
We are committed to the water quality monitoring industry,actively innovating and improvingproducts,and optimizing industry application solutions.We take technology and quality as thecornerstone,honesty and service as the foundation.do a good job of water quality monitoring withour heart.and contribute to the development of the water quality monitoring industry.

Q: How do you guarantee the quality?
A: Firstly, we have our own factory,we are a professional manufacturer of online water quality monitoring products: oil in water sensor/ DO sensor/ NH4-N sensor / ORP / COD sensor / Blue-green algae sensor /Conductivity sensor /TDS / TSS /MLSS,ect.we have with strong R&D center and QA team which can totally make sure the quality of every single product. Secondly, we have a completed after-sale service so that you don't have to worry about anything.
Q: Is OEM available?
A: Yes, all goods can be customized according to your requirements, including packing, LOGO print, etc.
Q: Can it buy only 1 set of the sensor?
A: Yes. No matter how many products you buy, we are grateful all along.
Q: How to deliver the goods for trial order or small order?
A : For trial order or small order, we prefer to choose international express, such as DHL, EMS which are faster and more convenient for customers. Meanwhile, we cooperate with an express agent that can give us a big discount for express fee which is much lower than that quoted by official. For the goods with detachable battery, the express fee can be lower down if the goods is sent out without battery.
Q: If we have not found the model from website, what should we do?
A: Please contact us with description of what you need, and we research and develop new model every month, and some of them may have not been uploaded in website immediately. But If this is a new product, we can develop it for you according to your detailed information about your product.
Q: What parameters do you need for product selection?
A: Application, Range, Power supply and Output signal.
Q: What are your terms of payment and delivery time?
A: We could accept T/T, Paypal, Western Union, Credit Assurance. Generally, we will arrange the shipment within 7 days after received payment.
Q: How about warranty?
A: 12 months warranty
Shaanxi Elian Technology Co., Ltd.
Conact:kelly
Whatsapp/Mob:86-18191560315
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