GasAlertMicro 5 Multi-Gas Detector – 5-in-1 Portable Confined Space Monitor by BW Technologies (Honeywell)
| [Origin | Canada |
|---|---|
| Manufacturer Type | Authorized Distributor |
| Origin Category | Imported |
| Model | GasAlertMicro 5 |
| Pricing | Available Upon Request |
| Detection Principle | Electrochemical (toxic gases/O₂), Catalytic Bead (LEL), Photoionization (VOC/PID) |
| Operating Temperature | −20 °C to 50 °C |
| Relative Humidity | 5–95% RH (non-condensing) |
| IP Rating | IP66/IP67 |
| Battery Life | Up to 18 hr (rechargeable hot-swap pack), 14 hr (alkaline AA) |
| Dimensions | 145 × 74 × 38 mm |
| Weight | 370 g |
| Compliance | EMC Directive 89/336/EEC, ATEX II 2G Ex ib IIC T4 Gb, IECEx Ex ib IIC T4 Gb, UL 913 Class I, Div 1, Groups A–D, T4, CSA C22.2 No. 152 |
| Data Logging | 32 MB MMC flash (user-replaceable), configurable sampling interval (1–127 s), auto-overwrite mode |
| Alarm Types | Visual (dual-stage wide-angle LED), Audible (95 dB @ 0.3 m), Vibration |
| Calibration | Auto-zero, span calibration with user-defined gas concentrations, expiration tracking |
| Sensor Architecture | Plug-in modular electrochemical (O₂, H₂S, CO, SO₂, NH₃, Cl₂, NO₂, HCN, PH₃, O₃), catalytic bead (combustibles), and PID (VOCs) sensors] |
Overview
The GasAlertMicro 5 is a certified, intrinsically safe, multi-gas detection instrument engineered for real-time monitoring of up to five hazardous atmospheric constituents simultaneously in industrial, confined space, and emergency response environments. Developed by BW Technologies—a Honeywell company—it integrates three complementary sensing technologies: electrochemical cells for toxic gases and oxygen, catalytic bead sensors for combustible gas (%LEL), and a photoionization detector (PID) for volatile organic compounds (VOCs). Its measurement architecture conforms to internationally recognized performance benchmarks for portable gas detection, including IEC 60079-29-1 (gas detectors), ISO 4037 (radiation safety for calibration sources), and ANSI/ISA-12.13.01 (performance requirements for portable gas monitors). Designed for continuous operation under variable ambient conditions, the device delivers high reproducibility across temperature ranges from −20 °C to 50 °C and relative humidity up to 95% non-condensing—making it suitable for field deployment in petrochemical plants, wastewater treatment facilities, semiconductor cleanrooms, and municipal utility infrastructure.
Key Features
- Modular plug-in sensor architecture supporting customizable 5-gas configurations—including O₂, H₂S, CO, SO₂, NH₃, Cl₂, NO₂, HCN, PH₃, O₃, combustibles (%LEL or %v/v), and VOCs (ppm range via PID)
- Dual-stage visual alarm system with wide-angle, high-intensity LEDs; audible alarm rated at 95 dB(A) at 0.3 m; and tactile vibration feedback for silent or noisy environments
- Full-function self-test at power-on verifying sensor integrity, circuit continuity, battery status, and firmware health—with pass/fail diagnostics displayed on startup
- User-configurable alarm thresholds: instantaneous low/high limits per gas, plus time-weighted average (TWA) and short-term exposure limit (STEL) calculations compliant with OSHA and ACGIH guidelines
- Hot-swap rechargeable battery pack (18 hr runtime) and alkaline AA option (14 hr); optional integrated sampling pump (13 hr/10 hr runtime) for remote or diffusion-limited sampling
- Backlit alphanumeric LCD with multilingual interface support (English, Spanish, French, German, Chinese), adjustable backlight modes (auto-dimming, alarm-triggered, manual override)
- Password-protected configuration menu enabling secure access control, calibration lockout upon expiry, “SAFE” status display, and secret mode (disables all alarms and backlight)
Sample Compatibility & Compliance
The GasAlertMicro 5 is validated for direct ambient air sampling without pre-conditioning or filtration in standard industrial atmospheres. It supports detection of gases commonly encountered in hydrocarbon processing, chemical synthesis, biogas handling, and indoor air quality assessment. All sensor modules comply with EN 45544-1:2018 (electrochemical sensors), EN 50104:2018 (oxygen sensors), and EN 50194-1:2018 (combustible gas sensors). The instrument meets global certification requirements including ATEX II 2G Ex ib IIC T4 Gb, IECEx Ex ib IIC T4 Gb, UL 913 Class I, Div 1, Groups A–D, T4, and CSA C22.2 No. 152. Its housing features dual-injection molded impact-resistant polymer with IP66/IP67 ingress protection, ensuring operational reliability in dusty, wet, or high-vibration settings. Calibration traceability follows NIST-traceable standards, and all firmware updates are digitally signed to maintain integrity under FDA 21 CFR Part 11 and EU Annex 11 audit requirements.
Software & Data Management
Equipped with an optional data logger module, the GasAlertMicro 5 records timestamped events—including gas concentration readings (ppm, %LEL, %v/v), TWA/STEL values, peak exposures, alarm activations, zero/span calibrations, sensor faults, and battery warnings—at user-defined intervals (1–127 seconds). Data is stored on removable 32 MB MMC flash cards (upgradable to 64 MB or 128 MB), retaining approximately two months of continuous logging before automatic overwrite. Raw logs export via USB to BW’s proprietary Companion Software (v4.0+), which supports GLP-compliant report generation, trend analysis, exposure history mapping, and audit trail review—including operator ID, calibration gas concentration, and environmental metadata. The software enforces electronic signature workflows and maintains immutable timestamps aligned with UTC, satisfying documentation requirements for ISO 17025-accredited laboratories and OSHA-mandated exposure recordkeeping.
Applications
- Confined space entry verification prior to worker deployment in tanks, silos, sewers, and vaults
- Leak detection and perimeter monitoring during hydrocarbon transfer, LNG loading, or solvent handling
- Real-time exposure assessment for maintenance crews performing hot work in refinery units or offshore platforms
- Indoor air quality surveillance in laboratories, pharmaceutical cleanrooms, and waste treatment control rooms
- Emergency response triage during hazmat incidents involving chlorine, ammonia, hydrogen sulfide, or cyanide release
- Regulatory compliance verification for EPA Method 21 (fugitive emissions), OSHA 1910.120 (HAZWOPER), and NFPA 70E (electrical safety)
FAQ
What gases can the GasAlertMicro 5 detect simultaneously?
It monitors up to five gases concurrently—including O₂, combustibles (%LEL), and up to three additional toxic gases (e.g., H₂S, CO, SO₂, Cl₂, NH₃)—plus VOCs via PID, depending on installed sensor modules.
Is the instrument compatible with third-party calibration gases?
Yes—users may define custom calibration gas concentrations within the configuration menu, provided certified reference standards meet ISO 6141 traceability requirements.
Does the data logger meet regulatory audit requirements?
Yes—the logged dataset includes tamper-evident timestamps, operator authentication, calibration event records, and firmware version stamps, fulfilling GLP, GMP, and 21 CFR Part 11 electronic record criteria.
Can sensor modules be replaced in the field without tools?
Yes—all electrochemical, catalytic, and PID sensors feature hot-swappable plug-in design with automatic recognition and zero-point compensation upon insertion.
What is the warranty coverage for sensors and electronics?
BW Technologies provides a two-year comprehensive warranty covering all hardware components and factory-installed sensors, excluding consumables such as calibration gas cylinders and pump filters.
