7500A Type Water Quality Meter, Sewage Detection, Determination Range 3 ~ 10000mg/L (CAT#: STEM-GLE-1657-LGH)

Microcomputer precision type, all Chinese operation interface. Large-screen LCD with backlight LCD display, clearly display clock, parameters, data, units, status prompts, etc.;
Equipped with micro-power chip, large-capacity memory, high-precision clock chip. Equipped with a USB interface, which can be connected to a PC computer and a micro-printer. Optional PC software;
Up to 30 to 360 sets of working standard curves can be selected, which can be used directly. Automatic parameter selection, more than 100 water quality parameters can be selected.
There are four working modes: T, A, C, and F. Up to 7 points of automatic non-linear concentration calibration in C mode.
1001 sets of test data can be stored arbitrarily. With self-diagnosis error code prompt function, with power-down save function;
Reliable positioning structure and independent multi-optical path detection system can effectively avoid the interference caused by stray light, and can accurately measure the ion concentration value in the sample;
The complete set is equipped with a digestion furnace, the digestion temperature and timing can be set at will, the microcomputer heating temperature control system, and the over-temperature protection function can effectively save energy consumption;
Independent research and development of rapid digestion reagents to ensure long-term stable low-cost supply, effectively reduce user workload and sample testing costs, in line with national standards.

Temperature control range: 0 ~ 200℃
Temperature control accuracy: 165±0.2℃
Indicating value accuracy: 0.1℃
Timing range: 0 to 99 hours 99 minutes (Multi-channel timing is supported)
Determination of COD against chlorine interference: [CL-]& LT; 1000 mg/L; When more than 1000mg/L can be diluted; You can also choose anti - high chlorine reagent determination
Determination parameters: COD, ammonia nitrogen
Determination range: COD: 3 ~ 10000 mg/L segments; Ammonia nitrogen: 0 ~ 50mg/L segment
Determination time: 10 ~ 15 minutes
Adjustable wavelength range: 325 ~ 1000nm

Microcomputer precision type, all Chinese operation interface. Large-screen LCD with backlight LCD display, clearly display clock, parameters, data, units, status prompts, etc.;
Equipped with micro-power chip, large-capacity memory, high-precision clock chip. Equipped with a USB interface, which can be connected to a PC computer and a micro-printer. Optional PC software;
Up to 30 to 360 sets of working standard curves can be selected, which can be used directly. Automatic parameter selection, more than 100 water quality parameters can be selected.
There are four working modes: T, A, C, and F. Up to 7 points of automatic non-linear concentration calibration in C mode.
1001 sets of test data can be stored arbitrarily. With self-diagnosis error code prompt function, with power-down save function;
Reliable positioning structure and independent multi-optical path detection system can effectively avoid the interference caused by stray light, and can accurately measure the ion concentration value in the sample;
The complete set is equipped with a digestion furnace, the digestion temperature and timing can be set at will, the microcomputer heating temperature control system, and the over-temperature protection function can effectively save energy consumption;
Independent research and development of rapid digestion reagents to ensure long-term stable low-cost supply, effectively reduce user workload and sample testing costs, in line with national standards.