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EVM Environmental Monitoring Instrument
A device integrates the measurement functions of three detectors: particulate matter, gas, and ultraviolet ionization (PID), reducing the need for equ
Product details
EVM7 |
EVM-4 |
EVM-3 |
|
temperature |
√ |
√ |
√ |
relative humidity |
√ |
√ |
√ |
Wind speed (optional attachment) |
√ |
√ |
√ |
Particulate matter (mass concentration) |
√ |
√ |
|
Toxic gas（9Optional sensors) |
√ |
√ |
|
carbon dioxide |
√ |
√ |
|
Select volatile organic compounds |
√ |
|
detection method |
unit |
display resolution |
display range |
repeat accuracy |
particulate | ||||
90° light scattering/integrating photometer |
mg / m3 |
0.001 |
0.000-200.0 |
+/-15%(rel ARD*) |
optionalppbperhapsmg /m3 |
1 |
0 - 50,000 |
Calibration value+/-5% /2%*** |
|
mg/m3 |
1 |
0 - 20,000 |
+/-15%(rel ARD*) |
|
Particle size range |
mm |
N/A |
0.1 - 10 |
** |
electrochemical sensor | ||||
CO Carbon monoxide sensor |
ppm |
1 |
0 - 1,000 |
The signal+/-5%/2% |
Cl2 Chlorine gas sensor |
ppm |
0.1 |
0.0 - 20 |
The signal+/-5%/2% |
EtO Ethylene oxide sensor |
ppm |
0.1 |
0.0 - 20 |
The signal+/-5%/2% |
HCNHydrogen cyanide sensor |
ppm |
0.1 |
0.0 - 50 |
The signal+/-5%/2% |
H2SHydrogen sulfide sensor |
ppm |
1 |
0.0 - 500 |
The signal+/-5%/2% |
NOoneNitrogen oxide sensor |
ppm |
0.1 |
0.0 - 100 |
The signal+/-5%/2% |
NO2 nitrogen dioxidesensor |
ppm |
0.1 |
0.0 - 50 |
The signal+/-5%/2% |
O2 Oxygen Sensor |
% |
0.1 |
0.0 - 30 |
The signal+/-5%/2% |
SO2 Sulfur dioxide sensor |
ppm |
0.1 |
0.0 - 50 |
The signal+/-5%/2% |
|
detection method |
unit |
display resolution |
display range |
repeat accuracy |
VOC: 10.6eVPhotoionization detector | ||||
Low sensitivityPID |
optionalppmperhapsmg /m3 |
0.01 |
0.00 - 2,000 |
Calibration value+/-5%/ 2%*** |
High sensitivityPID |
optionalppbOr μg /m3 |
1 |
0 - 50,000 |
Calibration value+/-5%/ 2%*** |
CO2 | ||||
NDIR（ Non dispersive infrared spectroscopy |
ppm |
1 |
0 - 5,000ppm; Automatic range (non condensing) |
+/-100ppm@20 deg C, gas2,000ppmpresspower1 bar |
temperature |
||||
diode tube |
deg C |
0.1 |
0.0 - 60.0 |
+/- 1.1deg C |
deg F |
0.1 |
32.0 - 140 |
+/- 2deg F |
|
relative humidity | ||||
capacitance |
%humidity |
0.1 |
0.0 - 100 |
The signal+/-5%RH* 10%-90% |
wind speed | ||||
|
Omnidirectional thermal wind speed probe |
meter/sec |
0.1 |
0.0 -20 |
The signal+/-0.12m/s + 4.5% |
feet/min |
1 |
0 - 3940 |
The signal+/-23.6ft/min + 4.5% |
|
EVMEnvironmental monitoring instrument
TSI Quest ™ The EVM environmental monitoring device can simultaneously measure real-time concentrations of particulate matter and gases. These monitoring devices can measure toxic gases, volatile organic compounds (VOCs), relative humidity, temperature, and wind speed.
Features and advantages
A device integrates the measurement functions of three detectors: particulate matter, gas, and ultraviolet ionization (PID)
Reduced the need to carry equipment to the work site, with a compact design and user-friendly interface
Ø 90 degree light scattering laser photometer for real-time measurement of particulate matter
A particle size cutting device designed with patented technology; No need to install an external cyclone separator
Ø Built in sampling pump for weight based sampling
Ø Easy to read large screen with measurement trend curve display function
Equipped with historical data recording function and compatible with DMS detection management software, making data analysis more efficient
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