TSI Quest EVM-7 User Manual

Specifications
Toxic Gas Sensors
EVM Series User Manual
121
Toxic Gas Sensors
Gas Type
Display Range
Display
Resolution
Accuracy/
Repeatability
Life expectancy/
warranty
Carbon Monoxide (CO)
0 – 1000 ppm
1 ppm
5%/ 2% of signal
2 years/ 2 years
Chlorine (CL
2
)
0.0 – 20 ppm
0.1 ppm
5%/ 2% of signal
2 years/1 year
Ethylene Oxide (EtO)
0.0 – 20 ppm
0.1 ppm
5%/ 2% of signal
2 years/1 year
Hydrogen Cyanide (HCN)
0 – 50 ppm
0.1 ppm
5%/ 2% of signal
2 years/1 year
Hydrogen Sulfide (H
2
S)
0 – 500 ppm
1 ppm
5%/ 2% of signal
2 years/1 year
Nitrogen Dioxide (NO
2
)
0.0 – 50 ppm
0.1 ppm
5%/ 2% of signal
2 years/1 year
Nitric Oxide (NO)
0.00 – 100 ppm
0.1 ppm
5%/ 2% of signal
2 years/1 year
Oxygen (O
2
)
0.0 – 30 %
0.1 %
5%/ 2% of signal
2 years/ 2 years
Ozone (O
3
)
0 – 1.0 ppm
0.01 ppm
5%/ 2% of signal
18 months/12
months (sensitivity
drift 10% over 6
years)
Sulphur Dioxide (SO
2
)
0.0 – 50 ppm
0.1 ppm
5%/ 2% of signal
2 years/1 year
Air Velocity Accessory (Optional – Air Probe 10)
Method & Detector
Display Range
Display Resolution
Accuracy/Repeatability
Omni-directional heated
thermistor windprobe
0.0 – 20.0 m/s
0 – 3940.0 ft/min
0.1
1
± (0.12 m/s + 4.5 %)*
± (23.6 ft/min + 4.5 %)*
*of measurement value
Battery life
6 - 8 hours for fully charged NiMH battery
Charge time
9 hours
Life
expectancy/Warranty
1 year/ 5 years
Displayed Data
Measurements
Level, Minimum, Maximum, Average, Short-Term Exposure Level (STEL), Time
Weighted Average (TWA)
Real-time measurements
Once per second display update rate
Time history data
logging intervals
1, 5, 15, 30 seconds, 1, 5, 10, 15, 30 and 60 minutes
Trend graphing intervals
for all parameters
1.5, 3, 15 minutes, 1.5, 3, 8, 12 and 24 hours
Status indicators
Battery, Run, Pause, Stop, Overload and Under Range

TSI Quest EVM-7 Specifications

General

Brand	TSI Quest
Model	EVM-7
Category	Measuring Instruments
Language	English