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SD400 Dissolved Oxygen Saturated Dissolved Oxygen Temperature Tester [Fluorescence Method]
SD400 Dissolved Oxygen Saturated Dissolved Oxygen Temperature Tester [Fluorescence Method]
Product details
SD400 Dissolved Oxygen Saturated Dissolved Oxygen Temperature Tester [Fluorescence Method]
Using fluorescence optical measurement technology, there is no need for electrolyte or replacement of membrane components; Specialized sensors have fast response, low maintenance costs, long service life, and excellent IP67 waterproof and shockproof performance; Easy to operate and drift free to ensure measurement accuracy; Can be used in conjunction with ET418644 customized BOD specific brown [500mL] culture bottles; Suitable for drinking water, boiler/condensate water, wastewater, swimming pool water, surface water, etc.
Principle of Fluorescence Dissolved Oxygen Measurement:
The dissolved oxygen sensor is coated with a layer of fluorescent material. When the LED light source emits blue light to irradiate the fluorescent material on the surface of the sensor, the fluorescent material is excited and releases red light. The time from emitting blue light to releasing red light is recorded. The higher the oxygen concentration in the water, the shorter the time for releasing red light. Establish a correlation between the release time of red light and dissolved oxygen concentration, and calculate the dissolved oxygen concentration by measuring the release time of red light.
Using fluorescence optical measurement technology, there is no need for electrolyte or replacement of membrane components, and the operation is simple and easy to carry out without drift to ensure measurement accuracy;
Internal data storage, USB transmission interface, dedicated sensor with fast response, low maintenance cost, long service life, excellent IP67 waterproof and shockproof performance.
Standard configuration
| SD400 Dissolved Oxygen Saturated Dissolved Oxygen Temperature Tester [Fluorescence Method] | ||
| dissolved oxygen | measuring range |
0.00 to 50.00mg/L (ppm) O2, 0.0 to 500.0% O2 |
| resolution |
0.01 mg/L (ppm) O2, 0.1% O2 |
|
| measurement accuracy |
± 0.1mg/L (0 to 20mg/L), reading ± 1.0% (0.0 to 200.0%), ± 10% (greater than 200.0% or greater than 20mg/L) |
|
| Salinity compensation |
Automatic or manual salinity compensation 0 to 500 ppt |
|
| atmospheric pressure | measuring range |
51 to 112KPa |
| Other indicators |
Resolution: 0.1KPa, accuracy: ± 0.2% |
|
| temperature | measuring range |
-5.0 to 50.0 ℃ |
| Other indicators |
Resolution: 0.1 ℃, accuracy: ± 0.2 ℃ |
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| Other indicators | response time | About 40 seconds |
| Voice settings |
Chinese, German, English, Italian, French, Spanish, Portuguese, Dutch |
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| electrode |
Specialized built-in temperature sensor, optical dissolved oxygen electrode, and ET740120 storage/calibration cup |
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| data management |
Automatic continuous storage of micro SD card, ET740090 dedicated data cable transferred to PC via Micro USB |
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| Power Mode |
Powered by Mini USB or 4 × 1.5VAA batteries, it can be set to automatically shut down within 10 minutes with a low battery warning |
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| application environment |
-5°C to 50°C |
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| Dimension |
Host size: 162 × 98 × 54mm, host weight: 314g |
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| Certification standards | CE certification, IP54 waterproof standard | |
| Other optional accessories | ET740060 custom built-in temperature sensor optical dissolved oxygen electrode, specification: 1.5 meters | |
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ET740070 custom built-in temperature sensor optical dissolved oxygen electrode, specification: 3 meters |
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ET740080 custom built-in temperature sensor optical dissolved oxygen electrode, specification: 10 meters |
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ET740120 Customized Optical Dissolved Oxygen Electrode Special Protection Storage and Calibration Cup |
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ET740110 customized stainless steel protective cover for optical dissolved oxygen electrode, convenient for field measurement |
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ET740090 Customized Special Data Transmission and Adapter Set |
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SD400 host, ET740060 custom built-in temperature sensor optical dissolved oxygen electrode, specifications: 1.5 meters, optional configuration ET740070, 3 meters long; or: ET740080， 10 meter long ET740120 customized optical dissolved oxygen electrode special protective storage and calibration cup, Chinese and English user manual, ET750050 customized special instrument carrying case
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