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HACH Hash Dissolved Oxygen Probe LDO from the United States
The all-new Hash Dissolved Oxygen Probe LDO II (LDO2) is based on the principle of fluorescence quenching for dissolved oxygen measurement. The HACH H
Product details
-HACH Hash Dissolved Oxygen Probe LDO from the United States（LDO2）working principle:
LDO ® II（LDO2）The dissolved oxygen probe is based on the principle of fluorescence quenching. Blue light shining on a fluorescent substance excites red light. Since oxygen molecules can take away energy, the time and intensity of the excited red light are inversely proportional to the concentration of oxygen molecules. The dissolved oxygen analyzer can calculate the concentration of oxygen molecules by measuring the phase difference between the excited red light and the reference light, and comparing it with the internal calibration value.
-Typical applications:HACH Hash Dissolved Oxygen Probe LDO from the United States（LDO2）Suitable for dissolved oxygen determination in industries such as wastewater, industrial water, and drinking water.
-HACH Hash Dissolved Oxygen Probe LDO from the United States（LDO2）Features and advantages:
No calibration required
Hash LDO ® The II dissolved oxygen probe has been calibrated before leaving the factory and can be used immediately without calibration. The fluorescent cap has a lifespan of up to two years.
No need to replace the membrane
Using Hash's groundbreaking fluorescence technology, this dissolved oxygen probe requires minimal maintenance as there is no need to replace the membrane, replenish electrolyte solution, or polish and clean the anode and cathode.
● Service without omission
The dissolved oxygen probe has a customizable cleaning service prompt function, which automatically triggers a service prompt message during the dissolved oxygen measurement process to remind users to clean the probe and ensure that the cleaning cycle is not missed.
● No drift
The groundbreaking 3D calibration technology enables HashLDO ® The dissolved oxygen probe has undergone precise calibration before leaving the factory, making dissolved oxygen measurement more accurate than ever before!
● More sturdy
Innovative Hash LDO ® The casing of the dissolved oxygen probe II is sealed with O-ring and ultrasonic dual sealing while using new materials, which is corrosion-resistant and water-resistant, improving durability. At the same time, the probe size has been reduced, making the dissolved oxygen measurement operation simpler and more suitable for harsh environments such as sewage and industrial wastewater.
HACH Hash Dissolved Oxygen Probe LDO from the United States（LDO2）
| measuring range | 0 ~ 20.00 ppm |
| 0 ~ 20.0 mg/L | |
| 0~200% saturation | |
| Sensor immersion depth | Pressure limit: 34 meters, 345 kPa (112 feet), 345 kPa (50 pounds); |
| measurement accuracy | ± 0.1 ppm when below 5 ppm |
| ± 0.2 ppm above 5 ppm | |
| Temperature: ± 0.2 ° C | |
| Distance | The maximum length of using a junction box can reach 1000 meters (3280 feet) |
| response time | At 20 º C: |
| Achieve 95% within approximately 60 seconds | |
| Reached 90% within approximately 40 seconds | |
| Cable Length | 10 meters |
| resolution | 0.01 ppm (mg/L)/0.1% saturation |
| Liquid receiving material | Fluorescent cap: Acrylic resin. Probe body: CPVC, polyurethane, Viton，Noryl， 316 stainless steel |
| reproducibility | ±0.1 ppm (mg/L) |
| size | Diameter x Length: 49.53 x 255.27 millimeters (1.95 x 10.05 inches) |
| operation temperature | 0 to 50 ° C (32 to 122 ° F) |
| weight | 1 kilogram (2.2 pounds) |
| velocity of flow | No requirements |
| 9020000 | Hash LDO ® II probe（LDO2）， 10m cable |
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HACH Hash Dissolved Oxygen Probe LDO (LDO2) from the United States
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