Multi-Parameter Water Quality Meter LB-21PMT

Multi-Parameter Water Quality Meter LB-21PMT

Multi-Parameter Water Quality Meter LB-21PMT offers multi-parameter testing for COD up to 15000 mg/L, Ammonia Nitrogen up to 50 mg/L, Total Phosphorus up to 20 mg/L, and Total Nitrogen up to 50 mg/L with high accuracy. It utilizes wavelengths of 420 nm, 450 nm, 520 nm, and 610 nm for precise analysis. It adopts a spectrophotometric measurement method and includes no internal moving parts, ensuring long-term stability. Our meter uses a multi-wavelength LED and digital display for fast, reliable readings. 

$ 2093.75

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Specifications

COD Test Range 0 to15000 mg/L
Ammonia Nitrogen Test Range 0 to 50 mg/L
Total Phosphorus Test Range 0 to 20 mg/L
Total Nitrogen Test Range 0 to 50 mg/L
Wavelength 420 nm, 450 nm, 520 nm, 610 nm
Accuracy ±5 %
Test Items COD, Ammonia Nitrogen, Total Phosphorus, Total Nitrogen
Method Spectrophotometer
Light Source Silicon Diode
Battery Life More than 30 hours
Dimension 90 × 70 ×125 mm
Weight 300 g (including battery)

Features

  • High-precision optics
  • Rapid touchscreen operation
  • Advanced accuracy filter
  • Low sample and reagent consumption
  • Professional optical circuit design
  • IP65+ protection grade
  • Compact and lightweight 

Applications

Multi-Parameter Water Quality Meter LB-21PMT is widely used in environmental monitoring, industrial wastewater testing, laboratory analysis, municipal water management, and research institutions. It is ideal for measuring chemical parameters such as COD, ammonia nitrogen, total phosphorus, and total nitrogen in various water samples.

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Frequently asked questions For Water Testing Equipment

1. What measurement method does Multi-Parameter Water Quality Meter LB-21PMT use?

It adopts a spectrophotometric measurement method for high-precision chemical analysis across multiple water quality indicators.

2. What are the wavelengths used?

This meter operates at 420 nm, 450 nm, 520 nm, and 610 nm, optimized for accurate detection of specific water parameters

3. Does the Multi-Parameter Water Quality Meter LB-21PMT have any internal moving parts?

No, the LB-21PMT is built with no internal moving parts, ensuring durability, minimal maintenance, and long-term stability.

4. What protection rating does the Multi-Parameter Water Quality Meter LB-21PMT have?

It features IP65+ protection, making it dust-tight and water-resistant for dependable operation in harsh conditions.

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Measuring Range 0 to 3.0 Abs
Wavelength 420 nm,470 nm,520 nm and 620 nm
Absorbance Resolution 0.001 Abs
Operating Repeatability ≤ ±0.01 Abs
Optical Path Stability ≤ ±0.005 Abs / 30 min

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Multi-Parameter Water Quality Meter LB-20PMT

Measurement Range 0 to 3.5 Abs
Measurement uniformity Range –0.005 to +0.005 Abs
Temperature Range 0 to 50 °C
Relative Humidity Range 0 to 90% (non-condensing)
Optical path Range –0.002 to +0.002 Abs/30 min

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