HACH
HACH LDO 2 sc, DO Probe with Luminescent Dissolved Oxygen Technology, with Mounting Conversion Adapter PN.9020000-UPGRADE
HACH LDO 2 sc, DO Probe with Luminescent Dissolved Oxygen Technology, with Mounting Conversion Adapter PN.9020000-UPGRADE
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Accurate process monitoring of dissolved oxygen in water for precise aeration control
Hach's next generation DO Probe, the LDO® Model 2 (Luminescent Dissolved Oxygen), accurately measures dissolved oxygen levels in water by utilizing luminescent dissolved oxygen technology within the O2 sensor (oxygen sensor) cap ensuring high levels of accuracy. The Hach LDO probe requires no calibration and can be used right out of the box. Using this DO probe to monitor dissolved oxygen levels in your water applications saves time and money through minimum maintenance (no electrolyte solution) and overall reduction in aeration blower energy usage.
An improved body design optimizes the probe’s temperature sensor to provide an even faster response time to process variability as well. The probe comes with a three year warranty, and the sensor cap has a two year warranty.
This instrument connects to Claros, Hach’s innovative Water Intelligence System, enabling you to seamlessly connect and manage instruments, data, and process – anywhere, anytime. The result is greater confidence in your data and improved efficiency in your operations. To unlock the full potential of Claros, insist on Claros Enabled instruments.
Benefits
No Calibration Required
The Hach LDO probe uses luminescent dissolved oxygen technology. Traditional DO probes require DO sensor calibration, which increase maintenance requirements.
No Membranes to Replace
There is virtually no maintenance with Hach's breakthrough luminescent technology, as there are no membranes to replace, no electrolyte solution to replenish, and no anode or cathode to clean.
No Missed Cleaning Cycles
The Hach LDO probe is equipped with Prognosys, a predictive diagnostic system, that allows you to be proactive in your maintenance by alerting you to upcoming instrument issues. Know with confidence whether changes in your dissolved oxygen level measurements are due to changes in your instrument or your water. To make sure routine cleaning cycles are never missed, the probe offers operators customizable diagnostic alert indicators, ensuring the probe can operate at its maximum performance level.
Customizable service indicators trigger a service message so that a cleaning cycle is never missed.
No Drift
Cutting-edge 3D calibration procedure is conducted prior to shipping, the DO probe will not drift and is more accurate than ever before.
No Complications
Our newest DO probe has a robust design with a smaller footprint allows for easier handling with enhanced durability.
Specifications
Technical Attributes
| Accuracy | ± 0.05 ppm Below 5 ppm |
| Accuracy 2 | ± 0.1 ppm Above 5 ppm |
| Accuracy 3 | Temperature: ± 0.2 °C |
| Body material | Stainless |
| Cable Length | 10 m (33 ft) |
| Calibration Method | All Probes are factory calibrated and ready to use Air Calibration: one point, 100% water saturated air Sample Calibration: comparison to standard instrument, or comparison to Winkler Titration method |
| Communication | Modbus |
| Controller Compatibility | SC4500, SC1000, SC200 |
| Diameter | 48.25 mm |
| Dimensions (D x L) | 48.25 mm x 254 mm |
| Flow Rate | None required |
| Interferences | No Interferences from the following: H2S, pH, K+, Na+, Mg2+, Ca2+, NH4++, Al3+, Pb2+, Cd2+, Zn2+, Cr (total), Fe2+, Fe3+, Mn2+, Cu2+, Ni2+, Co2+, CN-, NO3-, SO42-, S2-, PO43-, Cl-, anion active surfactants, crude oils, Cl2 < 4 ppm |
| Length | 254 mm |
| Measurement Range 2 | 0 - 20.00 mg/L |
| Measurement Range 3 | 0 - 200 % |
| Options | Mounting Adapter |
| Range | 0 - 20.00 ppm |
| Repeatability | ± 0.1 ppm (mg/L) |
| Resolution | 0.01 ppm (mg/L) 0.1% saturation |
| Response Time | T90 < 40 s T95 < 60 s |
| Sensor Immersion Depth | Down to 34 m (112 ft.), 345 kPa (50 psi), maximum; accuracy may not be maintained at this depth |
| Storage Conditions | -20 °C to 70 °C |
| Transmission Distance | 100 m (328 ft.) maximum |
| Transmission Distance | 1000 m (3280 ft.) maximum when used with a termination box |
| Warranty | 36 months |
| Weight | 1 kg (2.2 lbs), probe only |
| What's included? | Includes: LDO probe, mounting adapter, and manual |
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