top of page

Analygas® Systems Model 73 is a single point, sample drawing gas monitor specifically designed to detect Carbon Dioxide and

can be used for monitoring work areas,

remote unattended spaces or as

a process control device.

The Model 73 is suitable for use in wash down areas in the food and beverage industry.

The Model 73 protects people from the effects

of exposure to harmful levels of the target gas.


It can also be used to help control the levels

of Carbon Dioxide where it is critical to the process. 


Specific Infrared Sensor


Stainless Steel Enclosure


Digital Display


Easy ‘Automatic Calibration’


Visual and Audible Alarms

Analygas® Systems Model 73 is a wall

mounted gas monitor for use in non-hazardous indoor locations and housed in a rugged

stainless steel enclosure that  meets industry standard NEMA 4X.

It offers a high degree of protection against

dirt, corrosion and liquid ingress and is most suitable for use in washdown locations.

It utilizes non-dispersive infrared technology

to specifically detect Carbon Dioxide.

The central component is an Analygas Systems designed infrared sensor assembly that can be configured to detect up to 100% of the target gas.


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

The front panel has an acrylic viewing window, behind which is a Vacuum Fluorescent digital display plus power and alarm status LED's.

A keypad assembly allows selection and adjustment of many on-board features.

During routine calibration, the instrument detects the presence of calibration gas and enters its AUTO-CAL procedure, prompting easy to follow instructions on the display. 

(consult factory)
bottom of page