VALTRONICS MODEL 2008SDH-2AP
CARBON DIOXIDE MONITOR
INSTRUCTION MANUAL
Copyright 2017 VTI-Valtronics Inc.
8
VI. SPECIFICATIONS
•
Method:
N.D.I.R. (Non-Dispersive Infra-red) Sample-Draw type gas sampling
•
Gas Sample Hose Barbs:
Desig
ned for ⅛ inch I.D. tubing and a flow rates between 0.05
and 0.3 liters/minute
•
Gas:
Carbon Dioxide (CO
2
)
•
Available Ranges:
0-50%, 0-100%
•
Accuracy:
± 5% of reading from ½ scale to full scale and ± .025V from 0.0 % to ½ scale
•
Repeatability:
± 1% of full scale (using the same gas sample and assure zero)
•
External Power Source:
12 VDC @ .6A max. (11.0 to 16.0 VDC absolute min/max)
•
Power Consumption:
Less than 3 watts @ 12.0 VDC (2.4 watts typical/7.2 watts peak)
•
Output Signals:
Voltage Output: 0 to 1 volt = 0 to full-scale CO
2
Current Output: 4 to 20 mA = 0 to full scale CO
2
•
Zero Drift at Constant Temperature:
Less than 2% of full scale per 24 hours (random,
not cumulative)
•
Zero Noise at Constant Temperature:
Less than 10 mV peak to peak, measured at V
out during any 20-second period.
•
Zero Drift due to Ambient Temperature:
Less than 0.5% of full scale per degree
Centigrade
•
Operating Temperature Range:
0 to 50ºC (32º to 122ºF)
•
Storage Temperature Range:
-40º to +70ºC (-40º to +158ºF)
•
Operating Humidity Range:
5 to 95% Relative Humidity (non-condensing)
•
Weight:
Less than 0.5 pounds (0.23 kilograms)
•
External Dimensions:
3.9” x 5” x 1.5”
