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L111D04 portable optical dissolved oxygen meter with 316L DO sensor for accurate field testing
Advanced optical DO sensor with luminescent cap and 316L metal shaft for L111D04 meter
L111D04 DO meter with USB port, lithium battery compartment, and digital sensor connector
L111D04 portable optical DO meter for dissolved oxygen testing in wastewater
Standard kit of L111D04 optical DO meter including meter, sensor, and accessories
  1. L111D04 portable optical dissolved oxygen meter with 316L DO sensor for accurate field testing
  2. Advanced optical DO sensor with luminescent cap and 316L metal shaft for L111D04 meter
  3. L111D04 DO meter with USB port, lithium battery compartment, and digital sensor connector
  4. L111D04 portable optical DO meter for dissolved oxygen testing in wastewater
  5. Standard kit of L111D04 optical DO meter including meter, sensor, and accessories

High Precision Optical Dissolved Oxygen Meter with Fast Response

The L111D04 dissolved oxygen meter features a high-precision optical DO probe with quick response (T90<20s), ensuring reliable measurements even in challenging environments. It supports automatic temperature and pressure compensation plus manual salinity adjustments. A built-in memory capacity for 4096 records with both manual/automatic data logging, and quick USB data export. The L111D04 optical dissolved oxygen meter is ideal for professional water quality measurement in wastewater treatment, and environmental monitoring.
SKU: L111D04 Categories: , , , Tag:
  • Leading optical dissolved oxygen probe technology, with simple maintenance, much faster response time (T90<20s), and higher accuracy.
  • The optical DO probe also adopts a durable DO luminescent cap, 316L metal shaft, and a separate waterproof design for better stability.
  • Supports automatic temperature and air pressure compensation, with manual salinity compensation.
  • Built-in algorithms in the meter and calibration parameters in the electrode ensure good performance in aeration tanks and unstable wastewater conditions.
  • Large backlit LCD display and clear keypad enable quick readings and easy operation.
  • Built-in storage for up to 4096 data sets, with flexible manual and timed automatic logging, plus USB data export support.
  • Powered by rechargeable lithium batteries for extended and reliable field use.
ParameterSpecification
Measuring PrincipleFluorescence
Measuring Range0 to 20 mg/L or 0 to 200% saturation
Accuracy±1% or ±0.3 mg/L (whichever is greater)
Temperature Range0 to 50°C
Response Time20 s
Maximum Pressure6 bar
Calibration1-point or 2-point
Power Supply2 × 18650 rechargeable batteries
Operating Temperature0 to 50°C
Storage Temperature-30 to 70°C
Display54.38 × 54.38 mm LCD with backlight
Data Storage4060 sets
Air Pressure Compensation50 to 115 kPa automatic
Temperature Compensationautomatic
Salinity Compensationmanual
Meter IP RatingIP67
Sensor IP RatingIP68
Auto Shut-offSupported
Sensor Shaft Material316L stainless steel
Probe SizeΦ26 mm × 175 mm
Cable Length5 m (default), customizable

Specifications are subject to change without prior notice.

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