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| Brand | RAE Systems Inc. (USA) |
|---|---|
| Origin | USA |
| Model | MicroRAE |
| Detection Principle | Electrochemical (CO, H₂S), Catalytic Bead (LEL), Galvanic Cell (O₂) |
| Form Factor | Portable |
| Response Time (T₉₀) | ≤30 s |
| Repeatability | ±2% of reading (O₂, LEL, CO, H₂S) |
| IP Rating | IP67 |
| Operating Temperature | −40 °C to +70 °C (2 h at extremes) |
| Battery Life | 15 h (non-wireless), 11 h (wireless enabled, 20 °C) |
| Wireless Protocols | Proprietary RAE Mesh (up to 200 m), Bluetooth Low Energy (up to 5 m) |
| Certifications | IECEx Ex ia d IIIC T4 Gb, China Ex d ia IIIC T4 Gb, CMC, CCCF |
| Sensor Configuration | O₂ (0–30.0% vol, 0.1% vol res.), LEL (0–100% LEL, 1% LEL res.), CO (0–1000 ppm, dual-range: 0–250 ppm @ 1 ppm |
| 250–1000 ppm @ 3 ppm), H₂S (0–100 ppm, dual-range | 0–50 ppm @ 0.1 ppm |
| Data Logging | Continuous 6-month storage (1-min interval, 4 sensors) |
| Alarm Types | Audible (100 dB @ 30 cm, multi-tone), visual (tricolor LED, monochrome display with dual-color backlight), vibratory, remote (via ConneXt Plus/Pro/Loneworker, Safety Communicator), fall detection with pre-alarm and real-time transmission |
| Calibration | Two-point (manual or AutoRAE 2 automated) |
| Dimensions | 117 × 76 × 24 mm (H×W×D) |
| Weight | 206 g (incl. Li-ion battery & belt clip) |
| Brand | BW |
|---|---|
| Origin | Canada |
| Model | M5 Series |
| Instrument Principle | Electrochemical Sensing |
| Type | Portable |
| Response Time | ≤15 s |
| Detectable Gases | H₂S, CO, O₂, SO₂, LEL (Combustible Gases), NH₃, NO₂, Cl₂, HCN, PH₃, O₃, ClO₂, VOCs (PID option), CO₂ (NDIR option) |
| Compliance | CE, ATEX, UL, IECEx, RoHS |
| Brand | RAE Systems Inc. |
|---|---|
| Origin | USA |
| Model | PGM-1600 |
| Instrument Principle | Electrochemical Sensor (O₂, CO, H₂S), Catalytic Bead (LEL), Metal Oxide Semiconductor (MOS) |
| Type | Portable Multicomponent Gas Analyzer |
| Response Time | ≤15 s (T90) |
| Repeatability | ±2% of reading (O₂, LEL, CO, H₂S) |
| Sampling Pump | Integrated diaphragm pump, 30 m extendable sampling line |
| Power Supply | Rechargeable 3.7 V Li-ion battery or 4× AA alkaline batteries |
| Data Storage | Removable SD card, CSV/Excel-compatible export format |
| Display | Backlit graphical LCD with multilingual UI (including Chinese) |
| Sensor Slots | 3 configurable bays supporting interchangeable electrochemical, catalytic bead, TC, and MOS sensors |
| Brand | Boreal Laser |
|---|---|
| Origin | Canada |
| Model | GasFinder3-DC |
| Type | Portable In-Situ Analyzer |
| Measurement Principle | TDLAS with Wavelength Modulation Spectroscopy (WMS) |
| Response Time | 1 s |
| Accuracy | ±2% FS |
| Repeatability | CH₄, CO₂, H₂S, NH₃, C₂H₂, O₂ |
| Output Options | Up to three 4–20 mA analog outputs and dry-contact relays per channel (enhanced configuration) |
| Communication Protocols | RS-232, RS-485 (Modbus RTU), Ethernet (TCP/IP, Telnet) |
| Display & Control | Integrated HMI touchscreen or remote GasView software |
| Operating Temperature | −40 °C to +50 °C |
| Enclosure Rating | IP66 / NEMA 4X |
| Laser Source | Semiconductor diode laser (~10 mW output) |
| Laser Safety Class | IEC 60825-1 Class 1 AEL |
| Hazardous Area Certification | NA Class I, Zone 2, IIC, T4 (analyzer) |
| Functional Safety | SIL2 compliant |
| Dimensions | 495 × 368 × 160 mm |
| Weight | 14.6 kg (32.2 lbs) |
| Power Supply | 24 VDC, 20 W (optional 120–220 VAC adapter) |
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