Instrument Description

The DS-TN200B total nitrogen analyzer is an integrated intelligent instrument used by our company for monitoring and supervising personnel to measure various chemical indicators of water samples on site. This instrument has the characteristics of automatic PID temperature control, dual LCD display, AC/DC dual-use, automatic zero adjustment, concentration direct reading, curve storage, automatic printing, etc. The instrument is easy to operate, human-machine interactive operation, and users can apply this product without complex professional knowledge.

Main functional features

1. Dual LCD display, Chinese operation interface, user-friendly design, user-friendly human-computer interaction interface;

2. Optical circuit design, strong anti-interference ability, high measurement data accuracy, and good stability;

3. Automatic constant temperature control system, PID regulation technology, constant temperature and high accuracy during the digestion process;

4. The instrument can automatically calibrate the measurement curve, automatically zero, and is easy to operate;

5. The measurement and digestion systems are designed separately, with independent power control, and the operation process can be carried out separately without affecting each other;

6. The instrument is equipped with a built-in DC power supply and lithium battery power supply, which can achieve heating, digestion, and colorimetric determination of multiple batches of water samples;

7. The measurement light source adopts a cold light source, and the lifespan of the light source lamp is up to 100000 hours, with small drift and long lifespan;

8. The instrument has a built-in real-time clock, and each measurement record has a measurement timestamp for easy statistics and queries;

9. It has a data output interface that can be connected to a computer to transmit measurement data to the computer;

10. The instrument comes with a thermal printer that can directly print measurement data and historical data;

11. Handheld box design, lightweight, aesthetically pleasing, and easy to carry;

performance parameter

Ø Dissolving quantity: ≤ 4 tubes;

Ø Temperature indication error: ≤± 1 ℃;

Ø Uniformity of temperature field: ≤ 2 ℃;

Ø Dissolving time indication error: ≤± 2%;

Ø Curve parameters: 100 measurement curve parameters can be set;

Ø Calibration: 1-7 point calibration mode, automatically correcting curve values;

Ø Clock: Built in real-time clock, with a monthly cumulative error of less than 10 seconds;

Ø Record storage: can store 10000 measurement results, data will never be lost in case of power failure;

Ø Printing: Comes with a built-in printer to print measurement results at any time;

Ø Communication method: RS232, which can upload measurement results to a computer for user statistical analysis;

Ø Display: 240 * 128 large blue backlit display, Chinese operation interface;

Ø Environmental temperature: (5-40) ℃; Environmental humidity: relative humidity<85% (no condensation);

Ø Working power supply: AC220V ± 10%/50Hz, DC 16V lithium battery;

Ø Dimensions: 400 * 300 * 200mm;

Ø Weight: 8kg;

Indicator parameters

① Determination method: dissolution colorimetric method;

② Measurement range: 0-100 mg/L (segmented measurement, dilution measurement for excess range);

③ Measurement error: ≤± 5%

④ Dissolving temperature: 125 ± 1 ℃; Dissolving time: 30 minutes;

⑤ Choose a colorimetric dish:10mmOptical path length.