TSI Instruments EVM SERIES, Руководство пользователя

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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