DR3900Desktop spectrophotometer
The DR3900 desktop spectrophotometer is a newly launched high-performance desktop spectrophotometer product by Hash Company. There will be outstanding performance in the following aspects:

Make you more confident in the test results

• Reduce errors - take the average of 10 readings within 5 seconds to avoid errors caused by surface contamination and scratches on the colorimetric dish.

Color screen, easy to operate

• Color full touch screen - direct reading of data concentration, intuitive range bar chart display.
• Guide program - gradually guide the operation process, eliminating the step of consulting the method manual.

A great helper for data processing

• Data processing - trend and ratio analysis, making data processing more timely and convenient.
• Network transmission function - facilitates data transmission, program updates, and method manual downloads.

Humanized design reduces workload

• The full module LINK2SC software enables intelligent comparison between laboratory data and online data with just one click. After comparison, real-time calibration of online probes can be achieved immediately as needed, without the need for additional calibration
• Go to the site to calibrate the probe.
• The newly added AQA functionality and personalized design can bring you a brand new user experience, reducing the additional work of reconfirmation.

The DR3900 desktop spectrophotometer is equipped with over 240 application programs for testing methods and over 100 user-defined programs. (For measurable parameters, please refer to Table 6 "Hash Spectrophotometer and Colorimeter Measurement Parameter List" on page 17 of the sample.) This instrument can be widely used for water quality monitoring in industries such as industry, municipal government, environmental protection, and education. Its characteristics are:

• Quasi dual beam spectrophotometer
• 800 × 480 pixel 7 'color touchscreen style, fully Chinese operation menu, more clear and intuitive
• For important parameters such as COD, automatically measure 10 values at different locations, remove outliers, and then take the average. The final average result can be displayed within 5 seconds
• The operation guide program displays the operation steps on the screen, reducing the probability of incorrect operations and eliminating the need to print the operation process
• The trend and ratio analysis function makes data processing more timely and effective, storing, calling, and analyzing data within a specified time period
• Three USB ports and one Ethernet port for convenient data transfer. External printing equipment is available for convenient data printing and retention
• Equipped with password protection and timer function
• Multi user management allows administrators and standard users to set different permissions