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Testermeter- OXY684 Intelligent Large Flow Particulate Sampler
Feature
1. Adopt imported wide temperature OLED display screen, good man-machine interface with Chinese menu and pictures and texts, which saves the trouble of adjusting contrast, and can work in ultra-low temperature environment. 2. The flow control adopts high-precision imported sensor, which has good flow stability and high sampling accuracy, automatically detects the sampling flow, automatically controls constant current sampling, and compensates for flow fluctuations caused by changes in voltage and resistance. 3. Automatically record the accumulated flow and accumulated time during the sampling process, and convert the standard volume according to the air pressure and temperature. The real-time clock can set various sampling methods such as time sampling, interval sampling, multiple sampling, and cyclic sampling. 4. The built-in rechargeable battery is used to save data when the AC power is cut off. When the AC power is turned on, it will automatically resume sampling, automatically deduct the power-down time during the sampling process, and allow users to query the power-down time. 5. Brushless motor air pump, long-term continuous operation with high reliability, low noise, trouble-free running time of more than 20,000 hours, and long service life. 6. The optional PM10 cutter can sample inhalable particles, and the optional PM2.5 cutter can be used to sample fine particles. The cutters are made of aluminum alloy and have anti-static adsorption. 7. Automatically save the parameters set by the last user, and use it automatically the next time the machine is turned on, realizing one-key sampling. It can store multiple sets of data, and the storage period is 10 years, which is convenient for users to query. 8. Automatic overload protection: During the sampling process, when the sampling flow is less than or greater than the set sampling flow, the instrument will automatically shut down for protection, and power failure protection function: the power failure during the sampling process, the sampling data can be automatically saved, and the sampling will continue after the power is turned on. 9. The user can calibrate the instrument through the waterproof keyboard. Maintenance requires a password to enter, to ensure the security of the instrument data, it will not be easily modified and made mistakes, and the function of restoring the factory settings is provided. 10. The unique rain-proof design is suitable for any environment, and the flip-up structure can be folded for easy transportation. |
Technical Parameter
Items | Parameter | Resolution | Accuracy |
Flow rate | (0.5~1.6) m3/min | 0.001 m3/min | ≤ ±2.5% |
Factory set flow rate | 1.050 m3/min | 0.001 m3/min | ≤ ±2.5% |
Control methods | Manual or Automatic, set the switch time arbitrarily within 24 hours | ||
Effective size of filter membrane | 250 mm×200 mm | ||
Delay time | 1min~99h59min | 1min | ≤ ±2S |
Sampling time | 1min~99h59min | 1min | ≤ ±2S |
Intervals time | 1min~99h59min | 1min | ≤ ±2S |
Flow stability | ≤3% (When the resistance changes 3 Kpa~6Kpa, the grid fluctuation is ≤±10%) | ||
Timing accuracy | 24hours±2S | ||
Number of samples | 1~99 times | ||
Pre-meter temperature | (-55~+150)℃ | 0.1℃ | ≤ ±2℃ |
Atmospheric pressure | (60~130) Kpa | 0.1Kpa | ≤ ±2.5% |
Working power | AC220V ± 10% 50Hz | ||
Noise | <60dB (A) | ||
Power consumption | <800W | ||
Dimensions | 500x420x1300mm (LxWxH) | ||
Total Weight | About 20kg | ||
