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L111D05 handheld PPB dissolved oxygen meter with LCD screen and polarographic sensor
Trace level DO meter L111D05 with 0.01PPB resolution for ultra-low oxygen detection
High-precision polarographic DO sensor of L111D05
Lightweight trace dissolved oxygen meter L111D05, weighs only 300g for easy handling
L111D05 meter mounted via magnetic attachment for hands-free dissolved oxygen testing
Standard kit of L111D05 PPB DO analyzer with flow cell, membranes, and accessories
L111D05 trace level DO meter for industrial use, ideal for boiler feed and cooling water
  1. L111D05 handheld PPB dissolved oxygen meter with LCD screen and polarographic sensor
  2. Trace level DO meter L111D05 with 0.01PPB resolution for ultra-low oxygen detection
  3. High-precision polarographic DO sensor of L111D05
  4. Lightweight trace dissolved oxygen meter L111D05, weighs only 300g for easy handling
  5. L111D05 meter mounted via magnetic attachment for hands-free dissolved oxygen testing
  6. Standard kit of L111D05 PPB DO analyzer with flow cell, membranes, and accessories
  7. L111D05 trace level DO meter for industrial use, ideal for boiler feed and cooling water

Premium Portable Trace Level Dissolved Oxygen Meter 0.1 PPB(µg/L)

The L111D05 PPB Dissolved Oxygen Meter is specialised built for trace dissolved oxygen measurement based on the principle of Clark method. It’s the lightest and thinnest trace-level Dissolved Oxygen Meter in the market, weighing only 30g. The high sensitivity and 0.01μg/L resolution enable ppb-level analysis with rapid response and high precision. Designed with magnetic attachment for hands-free operation during measurements. The L111D05 PPB Dissolved Oxygen Meter is ideal for boiler feed water monitoring, high purity cooling water, food and beverage, as well as semiconductor manufacturing applications.
SKU: L111D05 Categories: , , , Tag:

• Designed based on electrochemical polarography principles, specifically for measuring trace dissolved oxygen and atmospheric oxygen.
• The lightest and thinnest trace-level dissolved oxygen meter on the market, weighing only 300g.
• High precision and sensitivity with detection limit and resolution up to 0.01PPB(µg/L).
• Designed with magnetic attachment for hands-free operation during measurements.
• Rapid response- achieves stable measurements from high oxygen concentrations in the air to trace-level concentrations in minutes.
• Long electrode lifespan- Maintenance every 6-8months under normal usage, eliminating frequent membrane cap replacements, saving long term running costs.
• Ready for immediate use upon startup, with automatic air calibration.
Powered by alkaline batteries, capable of 1500 hours of continuous operation.
• All necessary accessories, including the instrument, electrode, replacement membrane caps, and flow cell,are packed in a portable carrying case.
• Body rated lP67 and electrode rated lP68 for rugged waterproof protection.

ParameterSpecification
Measuring PrincipleClark method
Measuring Range0.01 μg/L to 20 mg/L; 0 to 45°C (32 to 113°F)
Accuracy±0.1 μg/L (PPB); ±0.1°C
Resolution0.01 μg/L; 0.1°C
Response TimeT90 < 10 s
Temperature SensorNTC
Compensation FunctionAutomatic temperature, manual pressure and salinity compensation
Power Supply4 × AAA batteries
Operating ConditionTemperature: 0 to 45°C; Flow: 160 to 500 mL/min (keep stable)
IP RatingMeter: IP67, Sensor: IP68
Meter Dimension164 (L) × 75 (W) × 17 (H) mm
Meter Weight300 g (including flow cell)

Specifications are subject to change without prior notice.

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