TSI Quest EVM-7 - Carbon Dioxide Sensor; Relative Humidity Sensor; Temperature Sensor

Specifications
Carbon Dioxide Sensor
EVM Series User Manual
120
Carbon Dioxide Sensor
Method & Detector
Display Range
Display Resolution
Accuracy/Repeatability
CO
2
sensor
 NDIR (non-dispersive
infrared)
*See CO
2
sensor for more
details (FAQ section).
0 to 5,000 ppm; auto-
ranging (Non-
condensing)
*Note: Manufactured
before Qtr3 2012 range
is 0 to 20,000 ppm.
1 ppm
±100 ppm @ 20⁰C, 1 bar
pressure at 2,000 ppm
applied gas.
Temperature Influence
additional ±0.2%
Settling time
90% of change in <90 seconds
Life expectancy/Warranty
5 years/ 1 year warranty
Relative Humidity Sensor
Method & Detector
Display Range
Display Resolution
Accuracy/Repeatability
RH sensor
 Capacitive
0.0 to 100%
0.1
± 5% RH signal between
10 – 90%
Temperature Influence
0.1%
Settling time
90% of change in 15 seconds
Life expectancy/Warranty
2 years/ 1 year warranty
Temperature Sensor
Method & Detector
Display Range
Display Resolution
Accuracy/Repeatability
Temp sensor
 Junction Diode
 0.0 ºC to 60.0 ºC
 14.0º F to 140.0º F
0.1
0.1
± 1.1 ºC (± 2 ºF)
± 2ºF
Life expectancy/
Warranty
2 years/ 1 year warranty