Thiết Bị Đo Bụi Evm-7

Method

Base Units

Display Res.

Display Range

Accuracy/Repeatability

Particulates

Light-scattering Photometer

mg/m³

0.001

0.000-199.9

± 15% (rel ARD†)

Particulates Size Range

µm

N/A

0.1-10

*

VOCs

10.6 eV PID

ppm

0.01

0.00-2000

± 5%/2% (rel to Isobutylene) at calibration level

Carbon Dioxide

NDIR

ppm

1

0-20,000

± 2% of signal, ± 50 ppm between 0 and 2500

Toxic Gas (Electrochemical Sensors)

Carbon Monoxide

ppm

1

0-1000

± 5%/2% of signal

Chlorine

ppm

0.1

0.0-20

± 5%/2% of signal

Ethylene Oxide

ppm

0.1

0.0-20

± 5%/2% of signal

Hydrogen Cyanide

ppm

0.1

0.0-50

± 5%/2% of signal

Hydrogen Sulfide

ppm

1

0-500

± 5%/2% of signal

Nitric Oxide

ppm

0.1

0.0-100

± 5%/2% of signal

Nitrogen Dioxide

ppm

0.1

0.0-50

± 5%/2% of signal

Oxygen

%

0.1

0.0-30

± 5%/2% of signal

Sulfur Dioxide

ppm

0.1

0.0-50

± 5%/2% of signal

Temperature

Junction Diode

deg C

0.1

-10.0-60.0

± 1.1 deg C

deg F

0.1

14.0-140.0

± 2 deg F

Relative Humidity

Capacitive

% humidity

0.1

0.0-100

± 5% RH of signal between 10 and 90%

Air Velocity

Omni-directional Heated Thermistor Windprobe

m/sec

0.1

0.0-20

± 0.12 m/s + 4.5% of signal

ft/min

1

0-3940

± 23.6 ft/min + 4.5% of signal

General

Size Fractions

PM2.5, PM4, PM10, or TSP*

Sample Pump Flow Rate

1.7 L/min

Power/Run Time

Rechargeable Li-Ion battery pack provides minimum of 8 hrs of continuous operation

Weight

2.9 lb (1.3 kg)

Standards

CE marked and RoHS compliant