Nitrite Nitrogen Analyzer LT-NNA802 Catalog

Nitrite Nitrogen Analyzer LT-NNA802

Nitrite Nitrogen Analyzer LT-NNA802

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Overview

Nitrite Nitrogen Analyzer LT-NNA801 NO3 features a high-precision UV sensor for accurate real-time measurement of 0–50 mg/L nitrite nitrogen. It provides continuous, chemical-free monitoring with a durable immersion probe and automatic measurement, ensuring stable performance even in aeration or anaerobic tanks. Compliant with environmental water quality standards, it is ideal for wastewater treatment, industrial process water, surface water monitoring, and environmental protection applications.

Specifications:

Measuring Range Concentration: 0.4–100 mg/L (depending on electrode range, pH 2.5–11) Temperature: 0–50 °C
Resolution Concentration: 0.01 / 0.1 / 1 mg/L Temperature: 0.1 °C
Accuracy / Basic Error Concentration: ±5% Temperature: ±0.3 °C
Current Output 2-channel: 0/4–20 mA or 20–4 mA (load <500 Ω)
Communication RS485 MODBUS RTU
Relay Control 3 sets, 5 A at 250 VAC or 30 VDC
Power Supply 85–265 VAC ±10%, 50 Hz, ≤3 W 9–36 VDC, ≤3 W
Dimensions 144 × 144 × 118 mm
Installation Methods Panel, wall, or pipe mount Panel cutout: 137 × 137 mm
Protection Rating IP65
Instrument Weight 0.8 kg
Operating Environment Temperature: -10 to 60 °C Relative Humidity: ≤90% No strong magnetic interference except geomagnetic field
Features:
  • Large color LCD with smart menu.
  • Data logging and curve display.
  • Auto calibration and temperature compensation.
  • Stable differential signal measurement.
  • 3 relay switches with high/low limit control.
  • 4–20 mA & RS485 outputs.
  • Simultaneous display of concentration, temperature, current.
  • Password-protected operation.
Standard Accessories :

Nitrate Sensor (NO3):

NO₃ Ion Selective Electrode (ISE) sensor delivers fast, accurate nitrate monitoring (0.1–10,000 ppm) with shock-proof, chemical-resistant design. Direct, continuous measurement requires no sample prep, ideal for wastewater, industrial, and environmental water monitoring.


Features: 

PVC nitrate ISE electrodes, fast and accurate.

Anti-blocking, anti-pollution PTFE interface.

Single-chip design, stable zero-point potential.

Ideal for wastewater in semiconductor, photovoltaic, and metallurgy industries.
 

Applications:

Ideal for wastewater monitoring, industrial effluent control, and environmental water analysis, especially in semiconductor, photovoltaic, and metallurgy industries.

Specifications:

pH Range2.5–11 pH
Measuring MaterialPVC Film
Housing MaterialPP
Waterproof RatingIP68
Measurement Range0.4–62,000 mg/L (customizable)
Accuracy±2.5%
Pressure Range≤0.1 MPa
Temperature CompensationNTC10K
Temperature Range0–50 °C
CalibrationSample calibration, standard liquid calibration
Connection Method4-core cable
Cable LengthStandard 10 m
Mounting ThreadNPT 3/4”
ApplicationsGeneral use, rivers, lakes, drinking water, environmental protection


 

 

Applications :
  • Nitrite Nitrogen Analyzer LT-NNA801 provides real-time nitrite nitrogen monitoring for wastewater, industrial water, surface water, sewage treatment, aquaculture, and environmental management.
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