Model name: AI-CO

Carbon Monoxide Transmitter

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Product Description


Ace Instruments carbon monoxide (CO) transmitter is a high-accuracy electrochemical sensor based transmitter. Available with/without display in an IP54 rated plastic wall mounting enclosure. The CO transmitter provides a reliable solution to challenging applications across industries with a sensor life of over 10 years from leading Japanese manufacturers.

The transmitter supports monitoring in critical environments, for a range of industries: oil and gas, mines, semiconductor manufacturing, parking lots and marine applications. The transmitters can be used as a part of comprehensive indoor air quality monitoring solutions to ensure healthy levels in smart buildings and industrial spaces.

Customize the CO transmitter for your individual application, with optional relay and buzzer alarms and RS-485 Modbus communication allowing users to conveniently export data to BMS systems. Customizable ranges available on enquiry.

Applications


The Ace Instruments AI-CO sensor is a customizable, versatile monitoring solution designed for various applications, including: 

  • Parking lots & garages: Carbon monoxide emissions from vehicles can accumulate rapidly in parking structures, posing risks to occupants. The AI-CO transmitter is widely used in underground and multi-level parking areas to monitor CO levels effectively. It automates ventilation systems in shopping malls, airports, hotels, and office complexes based on real-time data, ensuring occupant safety while reducing energy costs by activating ventilation only when necessary.
  • Industrial facilities: Industrial environments often involve processes that produce carbon monoxide as a byproduct. The AI-CO transmitter is ideal for oil and gas facilities where combustion processes generate CO. It is also highly effective in manufacturing plants that use boilers or equipment prone to incomplete combustion. Engine test rooms rely on this transmitter for precise monitoring of exhaust emissions, ensuring safe working conditions.
  • Specialized applications: The versatility of the AI-CO transmitter extends to specialized environments across industries where poor ventilation increases CO risks. It is also used in marine vessels and boats with enclosed engine spaces that require constant air quality monitoring. Tunnels and other confined spaces benefit from its ability to measure CO levels accurately even in areas with restricted airflow.

Features

  • High-performance Japanese electrochemical sensor with > 10 year life
    The Ace Instruments AI-CO Transmitter uses Japanese electrochemical sensors to deliver precise CO measurements. It offers detection ranges such as 0-100 ppm, 0-250 ppm, and up to 500 ppm. With a fast response time of less than 60 seconds, the transmitter ensures real-time alerts in critical situations. Its sensor lifespan exceeds ten years, making it a durable and cost-effective solution for long-term use.
  • Flexible communication options
    The AI-CO Carbon Monoxide transmitter provides versatile communication capabilities to suit different monitoring systems. It supports analog outputs like 0-10 VDC or 4-20 mA for basic integration. For advanced setups, RS-485 Modbus allows seamless integration with building management systems (BMS). Additionally, it offers relay outputs for direct control of alarms or ventilation systems, enabling automated responses to CO level changes.
  • With/without display options available 
    The transmitter is designed to adapt to diverse installation requirements. Models are available with or without an LCD display for on-site monitoring convenience. The AI-CO Carbon Monoxide Transmitter's wide operating temperature range (-10°C to +60°C) ensures reliable performance in extreme conditions.
  • Optimized energy utilization & control of ventilation systems
    One of the standout features of the AI-CO transmitter is its ability to integrate with ventilation systems for demand-controlled operation. By activating ventilation only when CO levels exceed safe thresholds, the device helps optimize energy usage while maintaining air quality standards. Relay control & buzzer alarms alert users to changes in CO levels & trigger corrective action.

Compliance

  • Indian Standards for carbon monoxide (CO) monitoring
    • National Building Code (NBC) 2016 (Part 8) : Recommends demand control ventilation for enclosed parking lots and basements. By the use of CO sensors connected to variable frequency drives (VFD), in case of high levels fresh air can be triggered by VFD to ensure CO levels remain below 50 ppm (8-hour average). This results in enhanced energy efficiency and safety of occupants.
    • ISHRAE Standard 10001:2016: Restricts CO exposure to less than 9 ppm as an 8-hour average in line with global regulations to ensure worker safety.
    • GRIHA: Ensure continuous monitoring of carbon monoxide levels such that they meet the permissible thresholds as per Indian Society of Heating, Refrigerating and Air Conditioning Engineers (ISHRAE) standard 10001:2016.
    • IGBC: Points are awarded under the health and well-being credit for installation of permanent CO sensors in potential source areas (e.g., cafeterias with gas stoves, parking basements) and linking them to the building management system for automatic ventilation.
  • Global standards for carbon monoxide (CO) monitoring
    • Middle East
      • Estidama (Pearl Rating System - UAE): Mandates compliance with ASHRAE 62.1, requiring CO monitoring to modulate ventilation in high-density zones or areas near combustion.
      • Mostadam (Saudi Arabia): Encourages real-time monitoring of indoor pollutants, including CO, particularly in mixed-use buildings with attached parking.
    • Japan
      • CASBEE (Comprehensive Assessment System for Built Environment Efficiency): High scores require a Building Management System (BMS) that actively monitors pollutants, including carbon monoxide.
      • Garage/Kitchens: Specific sub-credits for containment and exhaust control of combustion gases (CO) in service areas to prevent leakage into occupied zones.
    • Europe
      • BREEAM (Building Research Establishment Environmental Assessment Method): Hea 02 (Indoor Air Quality): Requires an Indoor Air Quality Plan that minimizes pollution. Credits are awarded for sensors that monitor CO (and NOx) to ensure levels stay within WHO guidelines (approx. 6 ppm for 24-hours or 9 ppm for 8-hours).
      • HQE (Haute Qualité Environnementale - France): Target 13 (Sanitary Quality of Air): Prioritizes the monitoring of specific physico-chemical pollutants, including CO, especially in schools and offices.
    • LEED v4.1 (Leadership in Energy and Environmental Design)
      • EQ Credit: Enhanced Indoor Air Quality Strategies: Option 2 explicitly requires continuous monitoring of Carbon Monoxide in occupied spaces if combustion equipment is present.
      • Alarm Threshold: Sensors must trigger an audible/visual alarm if levels exceed 10 ppm.


Specification

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Frequently Asked Questions

  1. What is the Ace Instruments AI-CO Carbon Monoxide Transmitter used for?
    The Ace Instruments AI-CO Carbon Monoxide Transmitter is designed to monitor carbon monoxide (CO) levels in various environments. It is used in parking lots, industrial facilities, HVAC systems, tunnels, mining operations, and other spaces where CO levels need to be measured to ensure safety and compliance with air quality standards.
  2. How does the transmitter detect carbon monoxide?
    The transmitter uses advanced Japanese electrochemical sensors to detect carbon monoxide levels with high accuracy. These sensors are capable of measuring CO concentrations in ranges like 0-100 ppm, 0-250 ppm, and up to 500 ppm, ensuring reliable monitoring for different applications.
  3. What are the key features of the AI-CO transmitter?

    The Ace Instruments carbon monoxide transmitter offers several standout features:
    • High accuracy with a fast response time (less than 60 seconds).
    • Long sensor life (over 10 years).
    • Flexible communication options, including analog outputs (0-10 VDC or 4-20 mA), RS-485 Modbus.
    • Customizable design with or without an LCD display.
    • Durable ABS plastic enclosure.
  4. Can this transmitter be used in parking garages?
    Yes, the AI-CO transmitter is ideal for parking garages and lots where vehicle emissions can cause elevated CO levels. It monitors CO concentrations in real time and integrates with ventilation systems to maintain safe air quality while optimizing energy usage.
  5. Does it support Modbus communication protocols?
    Yes, the AI-CO transmitter supports the industry RS485 Modbus standard protocol. These features make it compatible with IoT platforms and building management systems (BMS).
  6. Does it have any international certifications? 
    Yes, the Ace Instruments AI-CO transmitter is CE marked, complying to global standards.
Sensor Type

Electrochemical sensor
Sensor meets UL2034, EN50291, and EN54-31 requirements

Measuring Range
  • Option 1: 0 to 150 ppm
  • Option 2: 0 to 250 ppm
  • Option 3: 0 to 500 ppm
Accuracy

±5% in 0~1000 ppm range

Display (Optional)

LCD Display

Enclosure

ABS plastic wall mounting enclosure

Relay (Optional)

1 relay output (NO/CO/NC) rated 2 amps

Buzzer (Optional)

In-built programmable high level buzzer alarm  

Analog Output

0-10 VDC/ 4-20mA 

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