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Analygas® Systems Models 20 and 20B are multipoint versions of our highly successful Model 21 Gas Monitor.

These units protect people, produce and machinery from excessive concentrations

of gases and vapours.

They are particularly suited to operation in unattended locations such as machine rooms and parking garages. 

KEY FEATURES

Reliable Broad Band Sensors
 

Fully Modular System 

 

Up to 20 sensing points

in 10 detection zones
 

Visual and Audible Alarms
 

Output Relays
 

Easy to install 

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Analygas® Systems Models 20 and 20B are wall

mounted gas monitors for use in non-hazardous

indoor locations and housed in rugged steel

enclosures.

The Model 20 has up to 10 independent

channels, each of which may be fitted

with 1 or 2 remote sensors.

The Model 20B is a scaled down version

having 1 or 2 channels.

Channels can be configured to detect different gases and each is designed with 2 alarm levels, allowing flexible control of beacons, horns, fans, etc

SPECIFICATIONS

Solid state sensors
 

Up to 20 sensing points

LED alarm lights 120V

or 240V, input 200VA 

 

1 Output relay per point

 

1 Common output relay

Operating temperature

-40°C to 40°

-40°F to 104°F

Carbon Monoxide
C3H8
Halocarbons
C3H8
Propane
CH4
Methane
NH3
Ammonia
H
Hydrogen
Others
Others
(consult factory)

Dry contact relays are included to control ventilation fans or permit activation of other auxiliary equipment.

To reduce unnecessary fan cycling, these units are equipped with electronic timers, which delay the action of alarms and relays.

Models 20 & 20B are both ideal for use in parking garages, loading docks, battery charging areas or any indoor location requiring multipoint gas detection.