Owner manual
44
9. Specification
Product IAQ Monitor
Model 2211
Object Clean air flow
Method
Electrochemical
Range 0.0-50.0 ppm(0.0~500 ppm*)
Resolution 0.0-99.9ppm:0.1ppm,100-500ppm:1ppm
Accuracy
±3% of displayed value or ±3ppm; whichever that is larger (@20℃)
Compensation: Temp
±0.125 %FS/℃ (within ‐20-40℃: standard is 20℃)
Compensation:
Air Pressure
±0.02 %FS/hPa (within 700-1200hPa: standard is 1013hPa)
CO
Response Time
Approx. 60sec.
(
90%responsive, with calibration cover
)
Method
NDIR (Non-Distributed Infrared)
Range 0~5000 ppm
Resolution
1ppm
Accuracy
±3% of displayed value or ±50ppm; whichever that is larger (@20℃)
Compensation: Temp ±
0.34%FS/
℃
(
within
‐
20-40
℃
: standard is 20
℃)
Compensation:
Air Pressure
±0.02%FS/hPa (within 700~1200hPa: standard is 1013hPa)
CO2
Response Time
Approx. 45sec. (90%responsive, calibration cover)
Method Platinum Temperature Measuring Resistive Element
Range
0.0~60.0°C(‐20.0~60.0℃)
Resolution
0.1 °C
Accuracy ±0.5 °C
Temp.
Response Time Less than 60sec. (velocity:1m/s, 90% responsive)
Method
Electrostatic Capacity
Range
2.0~98.0 %RH
Resolution 0.1 %RH
Accuracy
2~80%RH:±2.0%RH,80~98%RH:±3.0%RH
Humidity
Response Time Approx. 45sec.(90%responsive)
Function
Measured/Max value HOLD, Battery Indicator (5-level), Time/date,
Barometer comp., Unit selection (Temp/DT/WB: °C or °F, AH:g/m
3
or
lb/ft
3
, OA%:g/kg or lb/lb), Max/Min/Average (interval: 1~999sec., retry:
1~999, Max memory: 1500data), OA%, Gas calibration
Output Function
Digital output: RS-232C (baud rate:4800,9600,19200,38400bps) for
printer and/or PC
Analog Output: DC0~1V (CO, CO2, temperature, or humidity)
Power Supply 6x AA Batteries, AC Adaptor
*
: AC100~240V(50/60Hz)
Battery Life
Approx. 10hours
(20℃, alkaline batteries, no RS-232C connection)
Main Body 5~40 ℃ (no condensation)
Probe ‐20~60 ℃ (no condensation)
Condition
Storage ‐20~60 ℃ (no condensation)
Weight Main body: Approx. 400g (including batteries) Probe: Approx. 250g
Standard Kits
Carrying case, Operation manual, AA batteries x6, Calibration cover and
tube, Probe stand, Data processing software for Windows, RS232C
cable
Optional Accesories
Spare probe, analog output, printer, ZERO gas, SPAN gas for CO/CO2,
flow control valve, AC adaptor