SKU:MSC2-CO2-NH3-System
CO2 & NH3 Fixed Gas Detection System for Refrigeration Systems | Ammonia & CO2 Leak Detection with Alarms
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The MSC2-CO2-NH3 System: CO2 & NH3 Fixed Gas Detection System for Refrigeration is an industrial-grade multi-gas safety solution designed for continuous monitoring of carbon dioxide (CO2) and ammonia (NH3) in refrigeration environments.
This system delivers real-time gas monitoring, dual-gas detection, and automated alarm response, helping facilities prevent exposure incidents, equipment damage, and costly compliance violations.
Built on the MSC2 multi-gas safety platform, this solution uses remote sensors to detect leaks at the source, triggering alarms, activating ventilation systems, and integrating with facility controls for rapid mitigation.
Features
- Dual Gas Monitoring (CO2 + NH3)
- Remote Sensor Detection
- Built for Refrigeration Systems
- Audio/Visual Alarms + Relays
- Multi-Gas Expandable Platform
- BMS & PLC Integration Ready
- Custom Configurations
- Flexible Power Options
- IP65 Rugged Enclosure
📦 What’s Included?
- MSC2 Fixed Gas Detection Controller (Main Display Unit)
- (2) Remote Sensors (CO2) + (NH3)
- (2) Audible & Visual Horn/Strobe Alarms
- Pre-Configured Alarm Relays
- Power Supply Compatibility (100–240 VAC / 24 VDC)
- Wall-Mount Hardware & Installation Kit
- User Manual & Quick Start Guide
Specifications
- CO2 Measurement Range: 0–5,000 ppm (custom ranges available)
- NH3 Measurement Range: 0–100 ppm (expandable up to 5,000 ppm)
- Gas Types: Carbon Dioxide (CO2) + Ammonia (NH3)
- Housing Type C/E: Polycarbonate
- Installation: Wall Mounted
- Knockouts for Cable Entry: Standard 6x M20/25
- Ingress Protection: IP65
- Temperature Range: -13°F to 140°F (-25°C to 60°C)
- Humidity Range: 15-95% RH non-condensing
- Power Supply: 100-240 VAC or 24VDC
- Power Consumption: 24 VDC | Max. 60 mA (1.5 VA), w/ sensor, w/o WAO
- Alarm Relay (3): 5 A Dry Contact Configurable
- Transistor Output (2): 24 VDC/0.1 A
- Analog Input (2/3): 4-20mA compatible
- Analog Output Signal (1): Fault & range monitoring included
- Controller Dimensions: 5.12 x 5.12 x 2.95 in. (130 x 130 x 75 mm)
- Controller Weight: 1.32 lbs. (0.6 kg)
Warranty
- 1 year - See CO2Meter Terms and Conditions.
Documents
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Data Sheets
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Manuals
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Technical Documents
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Videos
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Additional Resources
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Case Studies

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Call us at 877.678.4259.
We'll be happy to help you find the right product!
Still need Help? Talk to an Expert.
Call us at 877.678.4259.
We'll be happy to help you find the right product!
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Call us at 877.678.4259.
We'll be happy to help you find the right product!
Still need Help? Talk to an Expert.
Call us at 877.678.4259.
We'll be happy to help you find the right product!
Still need Help? Talk to an Expert.
Call us at 877.678.4259.
We'll be happy to help you find the right product!
Still need Help? Talk to an Expert.
Call us at 877.678.4259.
We'll be happy to help you find the right product!
Still need Help? Talk to an Expert.
Call us at 877.678.4259.
We'll be happy to help you find the right product!
Still need Help? Talk to an Expert.
Call us at 877.678.4259.
We'll be happy to help you find the right product!
Still need Help? Talk to an Expert.
Call us at 877.678.4259.
We'll be happy to help you find the right product!
Still need Help? Talk to an Expert.
Call us at 877.678.4259.
We'll be happy to help you find the right product!
Still need Help? Talk to an Expert.
Call us at 877.678.4259.
We'll be happy to help you find the right product!
Still need Help? Talk to an Expert.
Call us at 877.678.4259.
We'll be happy to help you find the right product!
Still need Help? Talk to an Expert.
Call us at 877.678.4259.
We'll be happy to help you find the right product!
Still need Help? Talk to an Expert.
Call us at 877.678.4259.
We'll be happy to help you find the right product!
Still need Help? Talk to an Expert.
Call us at 877.678.4259.
We'll be happy to help you find the right product!
Still need Help? Talk to an Expert.
Call us at 877.678.4259.
We'll be happy to help you find the right product!
Still need Help? Talk to an Expert.
Call us at 877.678.4259.
We'll be happy to help you find the right product!
Still need Help? Talk to an Expert.
Call us at 877.678.4259.
We'll be happy to help you find the right product!
Still need Help? Talk to an Expert.
Call us at 877.678.4259.
We'll be happy to help you find the right product!
Still need Help? Talk to an Expert.
Call us at 877.678.4259.
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