The nitrite detector can quickly and quantitatively detect the content of nitrite in various foods and vegetables. It can be widely used in product quality supervision and inspection, health and epidemic prevention, environmental protection, business management, seafood wholesale markets, noodle production bases, grain depots, supermarkets, shopping malls, major food safety monitoring systems and other departments.

Instrument Features：
This instrument adopts a new structural design and has the characteristics of small size and easy portability. No mechanical moving parts, anti-interference, anti vibration, high detection accuracy, long instrument life.
The circuit adopts advanced light source driving and calibration technology. After the instrument is turned on, it automatically calibrates the light source to the optimal state, ensuring long-term stability, accuracy, and a wider measurement range of the instrument.
Equipped with an 8-channel optical path system and 8-channel independent light source detection, it can quickly detect 8 samples simultaneously.
Original imported long-life non thermal solid-state light source, high precision, stable performance, controllable light source, greatly extending service life;
After the test is completed, the measurement results can display concentration and absorbance.
The instrument is equipped with a built-in working curve, which does not require the preparation of standard solutions, and can be used for rapid quantitative testing with specialized reagents.
The color LCD large screen display can display various data, measurement results, and other operation prompts in real-time during the measurement process, achieving good human-machine dialogue function.
The unique scroll button design makes the operation more sensitive and accurate.
Every step during the operation process is accompanied by a sound prompt, and any malfunction or operational error is accompanied by an alarm prompt, which is displayed on the LCD screen;
The data transmission adopts a USB interface design, which can be directly connected to the computer at any time to achieve data storage, data query, data processing, data uploading, and statistical analysis.
The instrument can store detection data, detection time, detection date, automatically store and print, and support page flipping for viewing.
Equipped with a built-in micro thermal printer, there is no need to replace the ribbon for life, and the detection results can be printed in real time.

Technical Specifications：
Light source wavelength: 505nm
Wavelength repeatability: ± 1.5 nm
Transmittance accuracy: ± 0.3% T
Transmission density repeatability: ± 0.5% T
Detection time setting: 0-9 minutes can be set arbitrarily
Luminous range: 0.000-3.000 Abs
Usage environment: Temperature: 5 ℃~45 ℃; Humidity: ≤ 85%
Power supply voltage: AC 200~240V, 50Hz