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Analygas® Systems Model 28 Gas Monitor

is particularly sensitive to Ammonia and has

an exceptional solid state sensor that is largely unaffected by fluctuations in temperature, relative humidity and other common contaminating gases.

Popular for use in cold storage facilities, this inexpensive watchdog protects products 24/7, even in the most extreme conditions. 

 

KEY FEATURES

Reliable Solid State

Ammonia Sensor

 

Sensors available

for other gases

 

Unique built-in sample tunnel

 

Wide operating temperature range

 

 4-20mA or 0-1V Output

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Analygas® Systems Model 28 is a wall

mounted gas monitor for use in non-hazardous indoor locations. It is housed in a rugged

steel enclosure.

This product was introduced because of

the demand for a monitor having an Ammonia specific solid state sensor that will communicate with a system controller. It is suitable for use where propane or battery powered equipment may be present.

As an Ammonia Monitor, it has a wide operating temperature range of -40oC to 40oC (-40oF to 104oF), without the need for an internal heater. 

SPECIFICATIONS

Solid State Sensor 􏰀

 

Single Sensing Point 􏰀

 

24VDC Input, 200mA 􏰀

 

4-20mA or 0-1V Output 􏰀

 

Operating Temperature

-40oC to 40oC

-40oF to 104oF 

Designed by Analygas Systems, the Model 28's unique built-in tunnel causes sample air to flow onto the sensor by convection. In this manner, the sensor is not mounted externally and is protected from direct drafts, dust and debris.

A 4-20mA output is standard for data logging, PLC or computer processing, etc.
While popular for use with facility process controllers, this instrument may also

be connected to Analygas Systems

Models 20, 20B, 40 and 41, multipoint systems.

It can also be configured to detect other gases. 

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