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Nitrite Nitrogen Analyzer LT-NNA802

Name: Nitrite Nitrogen Analyzer LT-NNA802
Brand: Labtro Scientific
SKU: LT-NNA802
Price: 2219.00 USD
Availability: InStock
Rating: 4.8 (751 reviews)

Product Code: LT-NNA802

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.

Key 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.

$ 2,219.00

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Technical Data

Product 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

Performance

Features & Benefits

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.

Laboratory Uses

Applications

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

Included

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 Range	2.5–11 pH
Measuring Material	PVC Film
Housing Material	PP
Waterproof Rating	IP68
Measurement Range	0.4–62,000 mg/L (customizable)
Accuracy	±2.5%
Pressure Range	≤0.1 MPa
Temperature Compensation	NTC10K
Temperature Range	0–50 °C
Calibration	Sample calibration, standard liquid calibration
Connection Method	4-core cable
Cable Length	Standard 10 m
Mounting Thread	NPT 3/4”
Applications	General use, rivers, lakes, drinking water, environmental protection

Nitrite Nitrogen Analyzer LT-NNA802

Product Specifications

Features & Benefits

Applications

Standard Accessories

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Nitrite Nitrogen Analyzer LT-NNA801