| Main technical parameter: | Light source | Semi-conductor laser, life time over than 35000hours | | Sampling flow | 2.83L/min (0.1ft3)Imported sampling pump | | Display type | LCD,real-time display,last period display,real-time concentration display,time display,date,measured value,temperature and humidity,room,number,sampling site,sampling times,battery power,statues, etc. 95% UCL count, can directly display particle concentration(cap/CMB) | | Rechargeable battery | Li-ion battery,7.4 V,2200mAh. | | Power supply | AC power adapter,AC :100V~245 V,50/60 Hz to DC: 7.4 V,1 A; | | Working hours | 6 hours(Battery indicator) | | Counting mode | aggregate value, difference value, concentration value | | Testing mode | Unitary, repeat, continuous, counting, long-distance | | Unit conversion | The unit can be converted to m3 | | Grain size channel | 0.3 , 0.5, 1.0, 3.0, 5.0, 10μm, six particle sizes can be counted at the same time | | Sampling period | 1~10000(s) Delay count:0~99(S ) Self-purification:≤10 (min ) | | Working environment | Temperature:10~40℃ (50~104℉) Relative temperature:20~90%RH,no condensation. Barometric pressure:86-106KPa | | Temperature and humidity | Option (1)Temperature:0~50℃±1℃. (2)Humidity:0~100%RH±5% | | UCL setting | Sampling number(A):2~9 points setting. sampling times each point:(L)2~9 times setting measuring position:0-999 | | UCL statement | Confirm to the standards ISO14644-1,GB50073-2001, GMP,FS-209E | | Data storage | Can storage 1000 sets data(recycle buffer)( including grain size, data, environment data, year, month, day, time, sampling quantity, data connector), the data will not lose if power failure. | | Communication connector | RS232,9600Baud rate | | Alarm setting | can alarm for level 100, level 1000, level 10000, level 100000, level 300000, level 1000000 if over the standard alarm for low battery and voltage. | | Zero count | Can meet the requirement of Dust particle counter regulation requirement JJG-547-88 JIS B9921:1997 less than 1 each 5 minutes | | Over lapping error | 5 %,2,000,000 grain/c.f. | | Printer | External printer(Option) | | Dimension | 230×130×45(mm) | | Weight | 0.6kg | | Standard configuration | Suitcase/charger,power sampling head,zero filter,RS 232 connecting line,disc for computer connect. | | Option | External printer, professional triangle sampling frame, temperature and humidity sensor. | |