Gas & Flame Detection | Fixed Gas Detection Systems

Cosmos NV-120 Series Single Point Gas Detection System


Cosmos NV-120 Series Single Point Gas Detection System

The NV-120 Series is a comprehensive and flexible gas detection system featuring a modular design. The system consists of modular Indicator and Alarm units that can be individually replaced. The panel is available in wall-mounted and panel-mounted designs depending on the required detection channels. 

The indicator units have a direct reading LCD scale and dual alarm levels for monitoring clear and accurate gas concentration. Additionally, they provide power to their respective detector heads for seamless operation. 

Technical Data 

Power Supply: 

  • 100-240V AC (standard) 
  • 24V DC (option) 

External Outputs: 

  • Power Output: 24VDC 
  • Signal Output: 4-20 mA 
  • Contact Capacity: 2A@100V AC 

Option Available: 

  • The backup battery feature allows short-term continued operation in the event of a power failure. 


  • Non-backup power type: W113mm x D77mm x H219mm 
  • Backup power type: W113mm x D115mm x H234mm 

The NV-120 Series Single Point Gas Detection System offers an advanced modular design, providing flexibility and ease of maintenance. Its reliable performance and comprehensive features ensure accurate gas detection and enhance safety in various industrial applications. 

Model  Connection Detectors  Detection Principle 
NV-120Cv  KD-5  Catalytic Combustion 
NV-120Ci  KD-2A & PE-2DC  Catalytic Combustion 
NV-120Mx  KD-12 & PD-12  4-20mA input 
NV-120Hv  KD-5  Hotwire Semiconductor 
NV-120Hi  KD-2A & PE-2DC  Hotwire Semiconductor 
NV-120Dx  KS-2D & PS-2DP  Electrochemical 
NV-120Sx  KS-2O & PS-2OP  Galvanic Cell