ÃÂ 5.7âLED display
ÃÂ On board storage for over 20 years of data
ÃÂ Real-time operating system, onware upgradeã
ÃÂ Keyboard input
ÃÂ Automatic calibration and manual calibration. Receive remote control commands for automatic calibration
àAutomatic compensation for temperature and pressure changes
àoptical shutter periodic switch and Automatic detection compensation for Luminous Flux detector
ÃÂ Automatic fault diagnosis and alarms, also capable of fixing errors remotely
ÃÂ Multi interface output: analog output, current output, relay output
Measuring range | 0-500ppb-1000ppb(0-20ppm extendable) |
Min LOD | Â 1.0ppb |
Zero drift |  ±1ppb/24h |
80% range drift | ±10ppb |
20%Â range drift | 5ppb |
80%Â range precision | 10ppb |
Power supply | AC220V±10%, 50Hz±1Hz |
Theory | UV fluorescence method |
noise | 0.5ppb |
Response time |  â¤120s |
resistance | >10kPa |
Sampling flow | 700mL/min±10% |
Operating temperature | 10âï½30â |
Interface | RS485,4-20mA,0-1V/2V/5V/10VÂ |