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SCA Single-Channel Gas Detection Controller

SCA Single-Channel Gas Detection Controller

Wall-mounted single channel gas detector control unit

The Neutronics Model SCA Single-Channel Gas Detector Control Unit is a wall mounted monitoring and control unit designed for installation in a safe area where there is no risk of the presence of potentially explosive gases. 

 

For applications where the fixed gas detector is located in a hazardous area, a safety barrier must be used to limit the maximum voltage and current under a fault condition and prevent an incendive spark. Where suitable, the internal safety barrier can be installed in the control unit. This can be done at the time of manufacture or at a later time if the system is extended by the installation of an additional detector.

  • Control unit with integral or remote sensor mounting option
  • Built-in audible and visual alarms
  • LCD backlit alphanumeric display
  • Ready for plant PLC or DCS integration with 3 dry relay contacts
  • Full calibration menu accessed by external push buttons
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SCA Single-Channel Gas Detection Controller
SCA Single-Channel Gas Detection Controller
Wall-mounted single channel gas detector control unit
Highlights
Videos
Specifications
Approvals
Tools and Training
Literature
Highlights
The Neutronics Model SCA Single-Channel Gas Detector Control Unit can be used with the following detector configurations:
  • Fitted with an integral CO2 (IR), oxygen or toxic gas sensor for safe area use only
  • Connected to a remote CO2 (IR), oxygen, or toxic gas detector head for safe area use only
  • Fitted with an internal (or external) safety barrier and connected to a remote certified intrinsically safe (Ex ia) flammable, oxygen, or toxic gas detector head located in a hazardous area
  • Connected to a remote flameproof (Ex d) certified flammable, oxygen, or toxic gas detector head located in a hazardous area
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Specifications
Ambient Temperature
-4 to 122°F (-20 to 50°C)
Analog Communication
4-20 mA0-5 V
Country of Origin
United Kingdom
Display Size
Backlit alphanumericLCD display with Green/Red/Yellow LED (power on/Alarm/Fault)
Enclosure Rating
IP66 enclosure Universal input/output isolating barriers
Humidity
O2: 0 to 99% RH (non-condensing) Toxic: 15 to 95% RH (non-condensing)
Power
115/230 VAC ±5% @ 50/60 Hz 20/28 VDC Opt. battery backup (8hr)
Product Dimensions (L×W×H)
9.8" x 10.55" x 7.87"
Product Weight
8.8 lb
Relay Rating
1 for audible 1 for visual alarms and 1 for fault condition
Sensor Type
Available with electrochemical, IR or Pellistor
Approvals
Approvals subject to change without notice and may differ based on configuration, part number and/or country. Contact Customer Service or check approval label on product for specific approval information.
Tools and Training
Literature
Part Number(s)

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