Gas Detector Honeywell BW Gas Alert Extreme O2


Size1.1 x 2.0 x 3.75 in. / 2.8 x 5.0 x 9.5 cm
Weight2.9 oz. / 82 g
Alarms– Visual, vibrating, audible (95dB)
– Low, High, STEL, TWA
TestsSensor integrity, circuitry, battery and audible/visual alarms on activation, battery (continuous)
PumpCompatible with the Sampler motorized pump
Typical battery life2 year battery life (typical) with replaceable 3V battery
User optionsConfidence beep, Latching alarms, Stealth mode, Passcode protection, Automatic O2 Calibration, Datalogger Sampling Rate, Automatic backlight, User-settable calibration gas level, Calibration past due lockout, Language choices (5), Adjust clock
WarrantyFull 2 year warranty including sensors (1 year NH3 sensor)
GasMeasuring Range (ppm)Operating TemperatureRelative Humidity (non-condensing)
H2S0-100-40 to +122°F/-40 to +50°C15% – 90%
H2S (High Range)0-500-40 to +122°F/-40 to +50°C15% – 90%
SO20-100.0-40 to +122°F/-40 to +50°C15% – 90%
HCN0-30.0-40 to +122°F/-40 to +50°C15% – 90%
CO0-1000-22 to +122°F/-30 to +50°C15% – 90%
CO (Low H2)0-1000-22 to +122°F/-30 to +50°C15% – 90%
NH30-100-4 to +104°F/-20 to +40°C15% – 90%
NH3 (High Range)0-400-4 to +104°F/-20 to +40°C15% – 90%
Cl20-50.0-4 to +122°F/-20 to +50°C10% – 95%
NO0-250-4 to +122°F/-20 to +50°C15% – 90%
NO20-100-4 to +122°F/-20 to +50°C15% – 90%
PH30-5.0-4 to +122°F/-20 to +50°C15% – 90%
ETO0-100.0-4 to +122°F/-20 to +50°C15% – 90%
ClO20-1.0-4 to +122°F/-20 to +50°C15% – 95%
O30-1.0-4 to +122°F/-20 to +50°C15% – 90%
O2 (%by Vol.)0-30.0%-4 to +122°F/-20 to +50°C0% – 99%



Gas Detector Honeywell BW Gas Alert Extreme O2

There are many gas detection products on the market that might appear to be the same, but a closer inspection of specification, functionality and features reveals major differences in what products can do and the potential value they can offer.

Similarly, individual applications are also unique in their respective designs, needs and processes undertaken.

Know your site risks

Before beginning to consider gas detection equipment, a risk assessment needs to be conducted.

Any company employing staff has the obligation to conduct risk assessments to identify potential hazards and these can include potential gas, vapor or Oxygen deficiency risks.

If gas hazards are identified, gas detection is applicable as a risk reduction method.

Identifying the prime objective

Depending on the processes being undertaken and the gases being detected, remote or off-site alarm notification plus event data logging/reporting may also be required for Health and Safety management records.

Another factor impacting on the need for enhanced reporting functions might be regulatory compliance or a condition of insurance.

Ask the right questions

Gas Detector Honeywell BW Gas Alert Extreme O2

Having identified the primary objective, the suitable equipment is selected by asking a number of key questions. These fall into three broad categories:

• The gases to be detected and where they may come from

• The location and environmental conditions where detection is to take place

• The ease of use for operators and routine servicing personnel

Gas Detector Honeywell BW Gas Alert Extreme O2

Identify the gases to be detected and where they may come from

The gases to be detected should be identified by the risk assessment, however experienced gas detection equipment manufacturers and their approved distributors are often able to help in this process, based on their experience of similar applications.
Single Gas Detector Honeywell BW Gas Alert Extreme H2S


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