1、 Instrument description:

This product combines colorimetric method with computer technology, using microcomputer optoelectronic colorimetric detection principle to replace traditional visual colorimetric method, eliminating human error and greatly improving measurement resolution. This product has automaticPIDThe product features temperature control, dual LCD display, AC/DC dual-use, automatic zero adjustment, concentration direct reading, curve storage, and automatic printing. The instrument is easy to operate, with human-machine interactive operation. Users do not need complex professional knowledge to apply this product.

2、 Main functional features:

• twoLCDDisplay, large screen LCD backlit display,240*128Dot matrix, Chinese operating interface, user-friendly programming.

• The measurement range is wide and can be automatically switched according to the actual situation of the water sample.

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

• Automatic temperature control system, PIDRegulating technology ensures constant temperature and high precision during the digestion process;

• 1Click to7Point correction mode, automatically calculates slope, intercept, and correlation coefficient, with high measurement accuracy.

• Intelligent design for fault self diagnosis makes instrument management and maintenance simple and convenient.

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

• Large capacity data storage with power-off protection design ensures that the instrument is not damaged and data records are not lost.

• Strong anti-interference ability, suitable for industrial sites, and can be applied to monitoring surface water and pollution sources.

• The instrument adopts a semiconductor cold light source emitter, optical circuit design, strong anti-interference ability, high measurement data accuracy, good stability, and the light source life can reach tens of thousands of hours.

• Equipped with a data output interface, it can be connected to a computer to transmit measurement data to the computer;

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

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

• 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;

  3、 Main technical indicators:

  1. Determination method: ammonium molybdate spectrophotometric method;

  2. Measurement range: 0.01mg/L to 10mg/L;

  3. Measurement error: ≤± 5%;

  4. Number of samples to be digested simultaneously: ≤ 4;

  5. Dissolution temperature: 120 ± 1 ℃; Dissolving time: 30 minutes; Automatic timing;

  6. Curve parameters: 100 measurement curve parameters can be set;

  7. Data storage: can store 10000 measurement data;

  8. Data calibration: 1-7 point calibration mode, automatically correcting curve values;

  9. Environmental temperature: (5~40) ℃; Environmental humidity: relative humidity<85% (no condensation);

  10. Working power supply: AC 220V ± 10%/50Hz; DC+16V, 20AH lithium battery.