Toxic Gas Sensors. TSI Quest Quest Environmental Monitor EVM Series, EVM-7

121 Specifications

Toxic Gas Sensors

Toxic Gas Sensors

Gas Type

Carbon Monoxide (CO)

Chlorine (CL

2

)

Ethylene Oxide (EtO)

Hydrogen Sulfide (H

Nitrogen Dioxide (NO

Nitric Oxide (NO)

Oxygen (O

Ozone (O

3

2

)

)

2

S)

2

)

Display Range

0 – 1000 ppm

0.0 – 20 ppm

0.0 – 20 ppm

Hydrogen Cyanide (HCN) 0 – 50 ppm

Display

Resolution

1 ppm

0.1 ppm

0.1 ppm

0.1 ppm

0 – 500 ppm

0.0 – 50 ppm

1 ppm

0.1 ppm

0.00 – 100 ppm 0.1 ppm

0.0 – 30 % 0.1 %

0 – 1.0 ppm 0.01 ppm

Sulphur Dioxide (SO

2

) 0.0 – 50 ppm 0.1 ppm

Accuracy/

Repeatability

Life expectancy/ warranty

5%/ 2% of signal 2 years/ 2 years

5%/ 2% of signal 2 years/1 year

5%/ 2% of signal 2 years/1 year

5%/ 2% of signal 2 years/1 year

5%/ 2% of signal 2 years/1 year

5%/ 2% of signal 2 years/1 year

5%/ 2% of signal 2 years/1 year

5%/ 2% of signal 2 years/ 2 years

5%/ 2% of signal 18 months/12 months (sensitivity drift 10% over 6 years)

5%/ 2% of signal 2 years/1 year

Air Velocity Accessory (Optional – Air Probe 10)

Method & Detector

Omni-directional heated thermistor windprobe

Display Range

0.0 – 20.0 m/s

0 – 3940.0 ft/min

Display Resolution Accuracy/Repeatability

0.1

1

± (0.12 m/s + 4.5 %)*

± (23.6 ft/min + 4.5 %)*

*of measurement value

Battery life

Charge time

Life expectancy/Warranty

6 - 8 hours for fully charged NiMH battery

9 hours

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

1.5, 3, 15 minutes, 1.5, 3, 8, 12 and 24 hours Trend graphing intervals for all parameters

Status indicators Battery, Run, Pause, Stop, Overload and Under Range

EVM Series User Manual