Met One ES-642 远程尘埃监测仪

Manufacturer: Met One
Model: ES-642
Origin: USA
Warranty: 12 months

- Building Automation
- Military Applications
- Environmental Clean-Up Sites
- Air Pollution Level Monitoring
- Dust Level Warning Systems


Measurement Principle: Particulate concentration by forward
light scatter laser Nephelometer
Available Cut Points: TSP Inlet Standard. PM10, PM2.5, and PM1
sharp-cut cyclone inlets available.
Measurement Range: 0 to 100 mg/m3 (0 to 100,000 mg/m3)
Measurement Sensitivity: .001 mg/m3.
Nephelometer Accuracy: ± 5% traceable standard with 0.6um PSL.
Particle Size Sensitivity: 0.1 to 100 micron.
Display: 2 X 16 backlit LCD. Provides concentration,
flow and status information.
Zero Calibration: Automatic Zero Calibration every hour or as programmed
from 1 to 999 minutes.
Flow Rate: 2.0 liters/minute ± 0.1 lpm.
Input Voltage: 11 – 40 VDC
Power Consumption: 12 VDC = 300 mA (heater off), 1.2 A (heater on)
24 VDC = 140 mA (heater off), 0.6 A (heater on)
Analog Output: 4-20 mA and 0 – 10 VDC.
Serial Ports: RS-232 and RS-485
Serial Protocols: ASCII Text data format and MODBUS RTU.
Alarm Output: Normally open and normally closed relay 30 VDC @ 1A maximum.
Operating Temperature: -10 to +50°C. (Ambient Temperature Sensor Range -30 to +50°C).
Barometric Pressure: 600 to 1040 mbar pressure sensor range.
Ambient Humidity Range: 0 to 90% RH, non-condensing.
Intake Moisture Control: Automatic 10 Watt inlet heater module controlled
to sample RH set point.
Factory Serivce Interval: 24 Months typical, under continuous use in normal ambient air.
Mounting Options: Mounting bracket standard (wall or 2” vertical mast).
Optional EX-905 tripod.
Unit Weight: 2.7 kg (6.0 lbs.)
Unit Dimensions: 22.9cm high, 17.8cm wide, 10.8cm deep. (9.0” x 7.0” x 4.25”). w/out inlet assy.
48.3cm high, 17.8cm wide, 10.8cm deep. (19.0” x 7.0” x 4.25”).
w/ inlet assy.
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