CA-2100A气体的解决办法

CA-2100A Gas Solution Features: 1. Advanced MPU technology2. Max. capacity of system: 2 channels3. Work in patrol type4.Standard transmission signal of 4-20mA: PositiveTerminal,NegativeTerminal, Signal Line IO5. Three digitals display gas concentration ; four digitalsdisplay time.6. Alarm Function: 2 level output; Low Limit Alarm:10%-25%LEL (adjustable) ;High Limit Alarm: 26%-99%LEL (adjustable)7. Real-time clock, works continuously even out of power8. Zero adjustable function9. Should use with our fixed probe (CA-217A-D) Specifications: Working Method Auto Patrol Output Voltage: DC24V@500mA (Supply Power to The Probe #CA-217A-B) Communication Interface: 4-20mA Standard Signal Working Voltage: AC220V/50Hz Transmission Distance: ≤ 1000 m Alarming Function: 2 Level Output Sample Rate: <4 Channels/Second Max. Capacity of System: 2 Channels Display Method: Digital Tube Display rotationally Display Error: <+-5% Working Environment: Tem-10% +50% RH 30%-95% Display Function: LCD Display Weight About 2.5 Kg Controller Size: 290mm*210mm*85mm Connection Thread : 1/2G Inner Thread Performance Standards: GB16808-1997/GB16808-2008 OEM ODM are Welcome