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Twinno fluorescence method for dissolved oxygen
Industrial online dissolved oxygen analyzer is a water quality online monitoring and control instrument with a microprocessor. This instrument is equi
Product details
Industrial online dissolved oxygen analyzer is a water quality online monitoring and control instrument with a microprocessor. This instrument is equipped with different types of dissolved oxygen electrodes, which are widely used in various industries such as power plants, petrochemicals, metallurgical electronics, mining, paper industry, biological fermentation, pharmaceuticals, food and beverage, environmental water treatment, aquaculture, etc; Continuously monitor and control the dissolved oxygen and temperature values of aqueous solutions.
Product Features● LCD large screen LCD display● Data recording/curve display/upload function
● Multiple automatic calibration functions
● Manual and automatic temperature compensation
● Three sets of relay control switches
● High limit, low limit, hysteresis control
● 4-20mA/RS485 multiple connection methods
● Display dissolved oxygen, temperature, and current values on the same interface
● Password protection can be set to prevent accidental operation by non staff memberstechnical specifications
| measuring range | 0～20.0mg/L |
| measuring principle | fluorescence |
| resolution | 0.01mg/L |
| Basic error | ±1%F.S |
| Temperature | 0～50.0℃ |
| temperature resolution | 0.1℃ |
| temperature error | ±0.3℃ |
| temperature compensation | Automatic or manual |
| stability | Under normal pressure and constant temperature, drift<2% F.S per week |
| response time | 25℃<60s; 35℃<30s |
| current output | 2-channel 4-20mA |
| Communication output | RS485 Modbus RTU |
| Other functions | Data recording/curve display/data uploading |
| Relay control contacts | Three groups: 5A 240VAC, 5A 28VDC or 120VAC |
| Optional power supply | 85-265VAC, 9-36VDC, power: ≤ 3W |
| work environment | There is no strong magnetic field interference around except for the Earth's magnetic field. |
| ambient temperature | -10～60℃ |
| relative humidity | Not exceeding 90% |
| protection grade | IP65 |
| Instrument weight | 0.8kg |
| Instrument dimensions | 144×144×118mm |
| Installation hole size | 138×138mm |
| Instrument installation method | Pan mounted, wall mounted, pipeline type |
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