
| Item | Value |
|---|---|
| Measured gases | NH3ammonia, COcarbon monoxide, NO nitric oxide, O2oxygen, NO2 nitrogen dioxide, toxic gas |
| Measuring range | 0-30% |
| Detection principle | electrochemical |
| Accuracy | ±5% |
| Resolution | 1ppm |
| Response time | |
| Ingress protection | IP66/67 |
| Explosion protection | |
| Operating temperature | -40°C to 50°C |
| Power supply | 3 volt lithium battery (CR2 camera battery) |
| Output signal |
Designed for comfort and durability, the GasAlert Extreme features a variety of effective toxic gas modes to reliably monitor any single hazardous gas. With a simple on/off operation, this singlegas detectorProvide long life with field-replaceable 2-year batteries and sensors. Calibration is a simple automated procedure and is compatible with BW's MicroDock II automated test and calibration system. A wide range of user options, multilingual display, and data logging capabilities make GasAlert Extreme a solution for many applications.

● Designed for long-term solutions for harsh conditions
● Large LCD provides real-time readings directly
● Uninterrupted work in continuous shifts — excellent battery life
● Accurate and reliable historical data recording
● Uninterrupted LCD display real-time gas concentration
● The design is compact and lightweight, making it comfortable to wear
● Waterproof
● Simple automatic calibration program; Compatible with BW MicroDock II automated test and calibration stations
● Perform full-function self-test for sensors, battery status, circuit integrity, and audible/visual alarms at startup
● Bright wide-angle visual alarm light column
● Built-in shockproof cover
● Large LCD provides real-time readings directly
● Uninterrupted work in continuous shifts — excellent battery life
● Accurate and reliable historical data recording
● Equipped with a built-in vibration alarm for high-noise areas
● Accurate and reliable historical data recording
● Multilingual support, including English, French, German, Spanish, and Portuguese
● Tamper evident settings with password protection
Reading: Displays the composition/concentration of the gas after the self-test is turned on
Calibration: Automatic calibration and zeroing
TWA/STEL: can be recorded and displayed as required
Backlight: When the light is low/when alarming/when the user presses
Peak: The background light turns on automatically when the gas exposure value button is recorded and displayed as required
Relative humidity: 5-95% RH relative humidity (non-condensing)
Sensor: Plug-in electrochemical sensor (temperature compensated)
Operating temperature: -40°C to 50°C H2S, SO2, HCN1
Alarm indication: Clearly in both audible and visual ways -30 degrees to 50 degrees CO1 indication alarm -20 degrees to 50% other gases
Visual alarm: flashing, wide-angle alarm lens and two reds
IP rating: IP66/67 rated LED warning light and alarm LCD readout
Audible alarm: 95 decibels 0.25 meters away from the detector
Battery Type: 3 volts of lithium battery (CR2 camera battery) pulse
Battery life: 2 years with swappable 3-volt battery life (standard)
Beep: 5 seconds interval (on-site selectable switch)
Volumetric weight: 28*50*95 mm/82 g
Sensor service life: greater than or equal to 3 years
It is suitable for industrial safety monitoring and on-site inspection scenarios.
This module lists part numbers and descriptions for model selection. Price information is excluded.
| Category | Part Number | |
|---|---|---|
| General Accessories | BWS1-A-B | BW™ Solo - (HCN) Wireless BW™ Solo - (NH₃) Wireless BW™ Solo - (NH₃ ext range) Wireless |
| Replacement Parts | BWS1-A-PCB1 | PCB Hydrogen Cyanide (HCN) - Wireless BW PCB Ammonia (NH3) - Wireless PCB Ammonia ext. ran |
| General Accessories | BWS1-A-Y | BW™ Solo - (HCN) Wireless BW™ Solo - (NH₃) Wireless BW™ Solo - (NH₃ ext range) Wireless |
| General Accessories | BWS1-A2-B | BW™ Solo - (NH₃) Wireless BW™ Solo - (NH₃ ext range) Wireless BW™ Solo - (NO) Wireless |
| Replacement Parts | BWS1-A2-PCB1 | PCB Ammonia (NH3) - Wireless PCB Ammonia ext. range (NH3 Ext) - Wireless PCB Nitric Oxide |
| General Accessories | BWS1-A2-Y | BW™ Solo - (NH₃) Wireless BW™ Solo - (NH₃ ext range) Wireless BW™ Solo - (NO) Wireless |
| General Accessories | BWS1-BL-B | BW™ Solo - (SO₂) Wireless BW™ Solo - (CO₂) Wireless BW™ Solo - (HF) Wireless |
| Replacement Parts | BWS1-BL-PCB1 | PCB Sulfur Dioxide (SO₂) - Wireless PCB Oxygen (CO₂) - Wireless PCB Hydrogen Fluoride (HF) |
| General Accessories | BWS1-BL-Y | BW™ Solo - (SO₂) Wireless BW™ Solo - (CO₂) Wireless BW™ Solo - (HF) Wireless |
| General Accessories | BWS1-C-B | BW™ Solo - (Cl₂) Wireless BW™ Solo - (ClO₂) Wireless |
| Replacement Parts | BWS1-C-PCB1 | PCB Chlorine (Cl₂) - Wireless PCB Chlorine Dioxide (ClO₂) - Wireless |
| General Accessories | BWS1-C-Y | BW™ Solo - (Cl₂) Wireless BW™ Solo - (ClO₂) Wireless |
| General Accessories | BWS1-D-B | BW™ Solo - (NO) Wireless BW™ Solo - (NO₂) Wireless BW™ Solo - Ozone (O₃) Wireless |
| Replacement Parts | BWS1-D-PCB1 | PCB Nitric Oxide (NO) - Wireless - PCB1 PCB Nitrogen Dioxide (NO₂) - Wireless PCB Oxygen ( |
| General Accessories | BWS1-D-Y | BW™ Solo - (NO) Wireless BW™ Solo - (NO₂) Wireless BW™ Solo - Ozone (O₃) Wireless |
| General Accessories | BWS1-E-B | BW™ Solo - (CO-H₂ resistant) Wireless BW™ Solo - (ETO) Wireless BW™ Solo - Hydrogen (H₂) W |
| General Accessories | BWS1-E-Y | BW™ Solo - (CO-H₂ resistant) Wireless BW™ Solo - (ETO) Wireless BW™ Solo - Hydrogen (H₂) W |
| General Accessories | BWS1-G-B | BW™ Solo - (NO₂) Wireless BW™ Solo - Ozone (O₃) Wireless BW™ Solo - (PH₃) Wireless |
| Replacement Parts | BWS1-G-PCB1 | PCB Oxygen (O₂) - Wireless PCB Ozone (O3) - Wireless PCB Phosphine (PH3) - Wireless B1 |
| General Accessories | BWS1-G-Y | BW™ Solo - (NO₂) Wireless BW™ Solo - Ozone (O₃) Wireless BW™ Solo - (PH₃) Wireless |
| General Accessories | BWS1-H2-B | BW™ Solo - Hydrogen (H₂) Wireless BW™ Solo - (H₂S ext range) Wireless BW™ Solo - (HCN) Wir |
| Replacement Parts | BWS1-H2-PCB1 | PCB Hydrogen Sulfide (H₂S) - Wireless PCB Hydrogen Sulfide ext. range (H₂S Ext) - Wireless |
| General Accessories | BWS1-H2-Y | BW™ Solo - Hydrogen (H₂) Wireless BW™ Solo - (H₂S ext range) Wireless BW™ Solo - (HCN) Wir |
| General Accessories | BWS1-HC-B | BW™ Solo - (HF) Wireless BW™ Solo - (HCl) Wireless BW™ Solo - Lite |
| General Accessories | BWS1-HC-Y | BW™ Solo - (HF) Wireless BW™ Solo - (HCl) Wireless BW™ Solo - Lite |
| General Accessories | BWS1-HF-B | BW™ Solo - (CO₂) Wireless BW™ Solo - (HF) Wireless BW™ Solo - (HCl) Wireless |
| General Accessories | BWS1-HF-Y | BW™ Solo - (CO₂) Wireless BW™ Solo - (HF) Wireless BW™ Solo - (HCl) Wireless |
| General Accessories | BWS1-HL-B | BW™ Solo - (CO) Wireless BW™ Solo - (H₂S) Wireless BW™ Solo - (O₂) Wireless |
| Replacement Parts | BWS1-HL-PCB1 | PCB Hydrogen (H₂) - Wireless PCB Hydrogen Sulfide (H₂S) - Wireless PCB Hydrogen Sulfide ex |
| General Accessories | BWS1-HL-Y | BW™ Solo - (CO) Wireless BW™ Solo - (H₂S) Wireless BW™ Solo - (O₂) Wireless |
| General Accessories | BWS1-M2-B | BW™ Solo - (ClO₂) Wireless BW™ Solo - (CO-H₂ resistant) Wireless BW™ Solo - (ETO) Wireless |
| Replacement Parts | BWS1-M2-PCB1 | PCB Carbon Monoxide (CO) - Wireless BWS1 - PCB Carbon Monoxide-H₂ resistant () - Wireless |
| General Accessories | BWS1-M2-Y | BW™ Solo - (ClO₂) Wireless BW™ Solo - (CO-H₂ resistant) Wireless BW™ Solo - (ETO) Wireless |
| General Accessories | BWS1-ML-B | Yellow Black BW™ Solo - (CO) Wireless BW™ Solo - (H₂S) Wireless |
| General Accessories | BWS1-ML-Y | Yellow Black BW™ Solo - (CO) Wireless BW™ Solo - (H₂S) Wireless |
| General Accessories | BWS1-N | PCB Ammonia ext. range (NH3 Ext) - Wireless PCB Nitric Oxide (NO) - Wireless - PCB1 PCB Ni |
| General Accessories | BWS1-N-B | BW™ Solo - (NH₃ ext range) Wireless BW™ Solo - (NO) Wireless BW™ Solo - (NO₂) Wireless |
| General Accessories | BWS1-N-Y | BW™ Solo - (NH₃ ext range) Wireless BW™ Solo - (NO) Wireless BW™ Solo - (NO₂) Wireless |
| General Accessories | BWS1-P-B | BW™ Solo - Ozone (O₃) Wireless BW™ Solo - (PH₃) Wireless BW™ Solo - (SO₂) Wireless |
| General Accessories | BWS1-P-PC | PCB Ozone (O3) - Wireless PCB Phosphine (PH3) - Wireless B1 PCB Sulfur Dioxide (SO₂) - Wir |
| General Accessories | BWS1-P-Y | BW™ Solo - Ozone (O₃) Wireless BW™ Solo - (PH₃) Wireless BW™ Solo - (SO₂) Wireless |
| General Accessories | BWS1-R-B | BW™ Solo - (ETO) Wireless BW™ Solo - Hydrogen (H₂) Wireless BW™ Solo - (H₂S ext range) Wir |
| Replacement Parts | BWS1-R-PCB1 | PCB Ethylene Oxide (ETO) - Wireless BWS1 -E-PCB1 PCB Hydrogen (H₂) - Wireless PCB Hydrogen |
| General Accessories | BWS1-R-Y | BW™ Solo - (ETO) Wireless BW™ Solo - Hydrogen (H₂) Wireless BW™ Solo - (H₂S ext range) Wir |
| General Accessories | BWS1-S-B | BW™ Solo - (PH₃) Wireless BW™ Solo - (SO₂) Wireless BW™ Solo - (CO₂) Wireless |
| Replacement Parts | BWS1-S-PCB1 | PCB Phosphine (PH3) - Wireless B1 PCB Sulfur Dioxide (SO₂) - Wireless PCB Oxygen (CO₂) - W |
| General Accessories | BWS1-S-Y | BW™ Solo - (PH₃) Wireless BW™ Solo - (SO₂) Wireless BW™ Solo - (CO₂) Wireless |
| General Accessories | BWS1-V-B | BW™ Solo - (Cl₂) Wireless BW™ Solo - (ClO₂) Wireless BW™ Solo - (CO-H₂ resistant) Wireless |
| Replacement Parts | BWS1-V-PCB1 | PCB Chlorine (Cl₂) - Wireless PCB Chlorine Dioxide (ClO₂) - Wireless PCB Carbon Monoxide ( |
| General Accessories | BWS1-V-Y | BW™ Solo - (Cl₂) Wireless BW™ Solo - (ClO₂) Wireless BW™ Solo - (CO-H₂ resistant) Wireless |
| General Accessories | BWS1-XL-B | BW™ Solo - (H₂S) Wireless BW™ Solo - (O₂) Wireless |
| Replacement Parts | BWS1-XL-PCB1 | PCB Nitrogen Dioxide (NO₂) - Wireless PCB Oxygen (O₂) - Wireless PCB Ozone (O3) - Wireless |
| General Accessories | BWS1-XL-Y | BW™ Solo - (H₂S) Wireless BW™ Solo - (O₂) Wireless |
| General Accessories | BWS1-Z-B | BW™ Solo - (H₂S ext range) Wireless BW™ Solo - (HCN) Wireless BW™ Solo - (NH₃) Wireless |
| General Accessories | BWS1-Z-Y | BW™ Solo - (H₂S ext range) Wireless BW™ Solo - (HCN) Wireless BW™ Solo - (NH₃) Wireless |
| General Accessories | GA-NS-1 | BW Solo test/calibration cap Neck strap safety release: complete list Sampling & Testing |
| General Accessories | GA-VM-2 | BW Solo LCD G vibration motor H sensors, see Sensors' section I |