Technical Specifications:
1. Measurement principle: Luminescent bacteria method
2. Bacterial working temperature: 15-20 degrees
3. Bacterial culture time: < 5 minutes
4. Measurement cycle: Fast mode: 5 minutes; Normal mode: 15 minutes; Slow mode: 30 minutes
5. Measurement range: Relative luminescence (inhibition rate) 0-100%, toxicity level
6. Temperature control error
(1) The system has an in-built integrated temperature control system (not external), with an error of ≤ ±2℃;
(2) The temperature control error of the measurement and culture chamber ≤ ±2℃;
(3) The temperature control error of the bacterial strain low-temperature preservation component ≤ ±2℃;
7. Reproducibility: ≤ 10%
8. Accuracy: Pure water detection light loss ± 10%, actual water sample ≤ 20%
9. Quality control function: Includes negative quality control, positive quality control and reaction time quality control; Positive quality control: 2.0 mg/L Zn2+ reaction for 15 minutes, inhibition rate 20%-80%; Negative quality control: Pure water reaction for 15 minutes, 0.6 ≤ Cf ≤ 1.8;
10. Communication port: RS-232/485, RJ45 and (4-20) mA output
11. Control signal: 2-channel switch output and 2-channel switch input; Supports linkage with sampler for over-limit retention function, pump linkage;
12. Has the function of automatic bacterial solution preparation, automatic bacterial solution usage days alarm function, reducing maintenance workload;
13. Has the function of automatic temperature alarm for detection and culture temperature;
14. Environmental requirements: Moisture-proof, dust-proof, temperature: 5-33℃;
15. Instrument size: 600mm * 600mm * 1600mm
16. Uses 10-inch TFT, Cortex-A53, 4-core CPU as the core, high-performance embedded integrated touch screen;
17. Other aspects: Has the function of recording the instrument operation process log; Can store at least one year of original data and operation logs; Instrument abnormal alarm (including fault alarm, over-range alarm, over-limit alarm, reagent shortage alarm, etc.); Data is automatically saved in case of power failure; TFT true-color liquid crystal touch screen display and command input; Abnormal reset and automatic recovery of working state after power failure and power restoration; Instrument status (such as measurement, idle, fault, maintenance, etc.) display function; The instrument has three-level management authority.
