MET ONE
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| Brand | MET ONE |
|---|---|
| Origin | USA |
| Manufacturer Type | Authorized Distributor |
| Product Category | Stack Emission Heavy Metal & Black Carbon Analyzer |
| Model | BC 1054 |
| Measurement Principle | Optical Absorption (Multi-Wavelength Aethalometer Principle) |
| Measurement Range | <1 ng/m³ to >100,000 ng/m³ (effective) |
| Detection Limit | 0.1 ng/m³ |
| Filter Tape Replacement Interval | 24 hours |
| Operating Temperature Range | 1–40 °C |
| Operating Relative Humidity Range | 10–90 % RH (non-condensing) |
| Operating Pressure Range | 80–106 kPa |
| Wavelengths | 370, 430, 470, 525, 565, 590, 660, 700, 880, 950 nm |
| Time Resolution | Standard 1 min |
| Sample Flow Rate | 2 or 5 L/min (user-selectable) |
| Inlet Compatibility | TSP, PM₁₀, PM₂.₅, PM₁ |
| Calibration Method | Factory-calibrated in smoke chamber against traceable NIST-traceable reference standards per ASTM D6216 and ISO 12103-1 |
| Data Output | Analog (4–20 mA), RS-232/RS-485, Ethernet (TCP/IP), Modbus RTU/TCP |
| Compliance | Designed for EPA Reference Method equivalency assessment |
| Brand | Met One |
|---|---|
| Origin | USA |
| Model | BT-610 |
| Flow Rate | 1.0 cfm (28.3 L/min) |
| Flow Accuracy | ±5% |
| Timing Accuracy | ±10% |
| Repeatability | ±5% |
| Size Channel Resolution | 0.3–10.0 µm (6 calibrated channels at 0.3, 0.5, 1.0, 2.0, 5.0, 10.0 µm) |
| User-Selectable Sizing | 0.3–2.0 µm in 0.1 µm increments |
| Concentration Range | 0–3,000,000 particles/ft³ (0–105,900 particles/m³) |
| Measurement Accuracy | ±10% (per ISO 21501-4 calibration aerosol) |
| Data Storage Capacity | >8,000 sample events |
| Power | Internal 14.8 V Li-ion battery (8 h continuous / 24 h intermittent) |
| Communication Interfaces | RS-232, RS-485, USB, SD card slot |
| Analog Output | 0–5 VDC |
| Environmental Operating Range | 0–40 °C, 10–90% RH (non-condensing) |
| Dimensions (H×W×D) | 22.2 × 17.1 × 21.5 cm (3.67 kg) |
| Compliance | ISO 21501-4, ISO 14644-1, 21 CFR Part 11, CE, ISO 9001 |
| Brand | MET ONE |
|---|---|
| Origin | USA |
| Model | GT-324 |
| Instrument Type | Handheld |
| Flow Rate | 2.83 L/min |
| Flow Accuracy | ±5% |
| Timing Accuracy | ±0.0 s |
| Repeatability | ±5% |
| Size Distribution Accuracy | ±10% |
| Indication Accuracy | ±10% |
| Particle Size Channels | 0.3, 0.5, 0.7, 1.0, 2.5, 5.0, 10.0 µm (selectable 4-channel configuration) |
| Concentration Range | 0–3,000,000 particles/ft³ (0–105,900 particles/L) |
| Data Storage Capacity | 2,200 samples |
| Operating Temperature | 0–50 °C |
| Battery Life | 11 h (Li-ion, 7.2 V) |
| Charging Time | 2.5 h |
| Light Source | 780 nm laser diode, 90 mW |
| Display | 16×2 character LCD |
| Interface | Rotary encoder + membrane keypad |
| Communication | USB |
| Compliance | ISO 21501-4, FDA 21 CFR Part 11 (user access control) |
| Brand | Met One |
|---|---|
| Origin | USA |
| Model | GT-521 |
| Instrument Type | Handheld |
| Flow Rate | Low-flow (2.83 L/min) |
| Flow Accuracy | ±1% of full scale |
| Timing Accuracy | ±1 second per hour |
| Repeatability | ≤±1% RSD |
| Size Channel Resolution | Two simultaneous channels (0.3 µm and 0.5 µm) |
| Counting Efficiency | ≥50% at 0.3 µm, ≥100% at ≥0.5 µm (per ISO 21501-4) |
| Data Storage | Internal memory for up to 1,000 sample records |
| Power Supply | Rechargeable Li-ion battery (up to 8 hours continuous operation) |
| Interface | RS-232 serial output |
| Compliance | ISO 21501-4, JIS B 9921, ASTM F328 |