THIẾT BỊ THEO DÕI HẠT BỤI BAM 1020| MET ONE VIỆT NAM

THIẾT BỊ THEO DÕI HẠT BỤI BAM 1020| MET ONE VIỆT NAM

 

 

BAM 1020 tự động đo và ghi lại các mức nồng độ hạt trong không khí (tính bằng miligam hoặc microgam trên mét khối) bằng cách sử dụng nguyên tắc suy giảm tia beta đã được chứng minh trong ngành. Hàng nghìn thiết bị BAM 1020 hiện đang được triển khai trên toàn thế giới, khiến thiết bị này trở thành một trong những nền tảng giám sát không khí thành công nhất trên thế giới.

 

Đặt trưng

 

• U.S. EPA Equivalent Method for PM₁₀, PM_2.5, and PM_10-2.5 monitoring
• Long term unattended remote operation of up to 60 days between site visits
• Very low operating costs
• Automatic Span Calibration checks
• Fast and easy field audits using common FRM audit tools
• Bench top or equipment rack mounting in mobile or stationary shelters
• Rugged anodized aluminum, stainless steel, and baked enamel construction
• Highly accurate, reliable, and mechanically simple flow system
• Hourly filter advances minimize effects on volatile compounds
• Advanced Smart Heater technology precisely controls sample relative humidity
• Integrated datalogger allows the connection of up to two multi-parameter meteorological sensors
• Data retrieval through RS-232 or RS-485 serial ports using direct PC connections, or digital data collection systems

 

Thông số kỹ thuật

 

Measurement Principle:       Mass Concentration of Ambient Particulate Matter by Beta Attenuation

US-EPA Designations:         US-EPA PM10 Equivalent Method: EQPM-0798-122

                                               US-EPA Class III PM2.5 Equivalent Method: EQPM-0308-170

                                               US-EPA PM10-2.5 Equivalent Method: EQPM-0709-185

Range:                                  0 - 10 mg/m3 (0 - 10,000 μg/m3)

Analog Ranges:                    0 - 0.1, 0.2, 0.5, 1, 2, 5, 10 mg/m3 (others available)

Accuracy:                             Exceeds all US-EPA designation requirements for PM10, PM2.5, and PM10-2.5

Measurement Resolution:    0.1 μg/m3

Instrument noise (1 hour):   Less than 2.4 μg/m3 (less than 2.0 μg/m3 typical). Auditable with zero filter test

Lower Detection Limit (2 ) (1 hour): Less than 4.8 μg/m3 (less than 4.0 μg/m3 typical). Auditable with zero                                                                  filter test

Lower Detection Limit (2 ) (24 hours): Less than 1.0 μg/m3. Auditable with zero filter test

Measurement Cycle Time:   1 Hour (others available)

Flow Rate:                            16.67 liters/minute. Actual flow

Filter Tape:                            Continuous glass fiber filter, 30mm x 21m roll. > 60 day operation/roll

Span Check:                          Manual; Automatic optional

Beta Source:                         14C (carbon-14), 60 μCi ±15 μCi (< 2.22 X 106 Beq), Half-Life 5730 years

Beta Detector Type:              Photomultiplier tube with plastic scintillator

Operating Temp. Range:       0° to +50°C

Operating Humidity Range: 0-90% non-condensing

Humidity Control:                 Actively controlled inlet heater module, 10% - 99% RH setpoint

Approvals:                             US-EPA, MCERTS, CE, NRC, TUV, CNEMC, Korea

User Interface:                       Graphic color touch screen display

Analog Output:                      2 channels, voltage range 0-1 VDC, 0-2.5 VDC, 0-5 VDC

Serial Interface:                     RS-232 2-way serial ports for PC or modem communications, USB

Contact Closure Specification: 1 channel, dry, Normally Open contact 12 VDC 0.5 A

Alarm Contact Closures:        Data Error, Tape Fault, Flow Error, Power Failure, Maintenance

Compatible Software:            Air Plus™, COMET™, HyperTerminal®

Error Reporting:                    User-configurable. Available through serial port, display, and relay outputs

Memory:                               14,000 records (1.6 years @ 1 record/hr)

Power Supply:                      100 - 240 VAC, 50/60 Hz Universal input

Weight:                                 19 kg (42 lbs) without external accessories

Unit Dimensions:                   H x W x D = 32 cm x 43 cm x 46 cm (12.5” x 17” x 18”)

 

CATALOG