BM 25 Multi-Gas Area Monitor

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Oxygen Gas Detector

WHY CHOOSE BE ATEX

Re-calibrate of gas detection equipments
Check and verify of all PPE equipements
Customised configuration of all devices

The leading transportable, versatile multi-gas area monitor with a wireless function.

The BM25 multi-gas area monitor can detect up to five gases, packing the benefits of a fixed detector into a transportable, rugged and easy-to-use device.

It has been designed to protect teams performing work or maintenance in zones with a gas risk, for short-term maintenance or construction work.

With its 32 interchangeable sensors, the BM25 offers a whole range of possible combinations, meaning it can be used in a number of sectors, including the petrochemical, chemical, refinery and pharmaceutical industries, as well as for work in confined spaces and water treatment plants, for example.

Detected gas

See video

Characteristics

Size

16.7 x 7.1 x 7.5 in. (47.0 x 18.0 x 19.0 cm)

Weight

15 lbs (6.8 kg)

Housing materials

Autonomy

NiMH (up to 170 hours operating time, 135 hours in wireless mode)
Charging in 4.5 hrs

Operating temperature

-4°F to 122°F (-20°C to +50°C)

Humidity

1% to 99% RH sensor dependent

Alarms

Visual (Ultrabright LED beacon visible 360°)
Audible (103 dB @ 1m)

Additional feature

Wireless network:
2.4 GHz - 100 mW - IEEE 802.15.4
30 devices per network
16 independent networks
Communication distance : 0.6 mile line of sight

Other features

Sensors:
Combustible Gas – Catalytic Diffusion
Methane, Propane, Butane, Isobutane, LPG, Ethanol, Pentane –
Infrared
Oxygen and Toxic Gases – Electrochemical
CO2 – Infrared
Isobutylene – PID

Protection Class

IP66

Approval

ATEX / IECE (standard version)
Without IR sensor: II 1G / I M1, Ex ia IIC T4 Ga / Ex ia I Ma
With IR sensor: II 2G / I M2, Ex ia d IIC T4 Gb / Ex ia d I Mb

ATEX / IECE (wireless version)
Without IR sensor: II 1G / I M1, Ex ia IIB T4 Ga / Ex ia I Ma
With IR sensor: II 2G / I M2, Ex ia d IIC T4 Gb / Ex ia d I Mb

Warranty

2 years

Features

Equipped with a powerful 360° beacon and audible alarm (103dB at one meter).
More than 4-month datalogging capacity (in a five-gas configuration).
Network (cable or wireless): To send alerts from one device to another, to monitor a safety perimeter, for example.
Mesh-network technology: All the BM25s are connected peer-to-peer, without a centralised hierarchy, therefore forming a mesh-like structure. Consequently, each BM25 can receive, send and relay data.
Communication takes place every 10 seconds on the licence-exempt frequency band around 2.4GHz at less than 100mW and at a distance of up to 1,000 metres in the line of sight.
Optional: Safe trickle charger can be used to power the monitor’s batteries for long-term work in classified zones.

Datasheet

BM25 datasheet - BE ATEX

Manual

BM25 - User manual

Accessories

BM25 Trickle Charger

BM 25 Multi-Gas Area Monitor

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