Armstrong Monitoring Corporation (AMC)

- Model 1AVCsv - Standalone CO/NO2 Monitor with VFD Output

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The AMC 1AVCsv Gas Monitor is an economical standalone monitoring package for mixed vehicle applications, incorporating state of the art sensing technology and micro-controller based design within a compact package. It features a configurable VFD output circuit of the 'worst case' gas concentration that can be set independently of sensor scale, and is jumper selectable for 4,20 mA, 0-20 mA, 0-10 VDC, or 2-10VDC.

The AMC-1AVCsv incorporates a robust steel enclosure designed to provide optimal gas flow ensuring rapid response.

It is ideally suited for smaller parking and/or service garages for detecting the exhaust of gasoline, propane, natural gas, and diesel powered vehicles, where the interlocked exhaust fans are being controlled by VFDs.

The AMC-1AVCsv Gas Monitor provides an all-inone monitoring package for mixed vehicle applications. Incorporating state of the art sensing technology and micro-controller based design; it provides accuracy, durability, and ease of use within a compact package.

The monitor delivers low cost and versatility, turning even the simplest job into big savings. It incorporates a robust enclosure designed to provide optimal gas flow ensuring optimum response.

  • Sensor Types: Electrochemical
  • Enclosure: ASA 61 gray enameled 16 gauge steel
  • Supply Voltage: 120 VAC, 60 Hz
  • Relay Contacts: Two DPDT 10A @ 250 VAC Res. max relays, for two thresholds
  • Calibration: 0‐100 ppm CO / 0‐10 ppm NO2
  • Alarm Points: 25 & 100 ppm CO, 1 & 3 ppm NO2
  • Dimensions: 20.32cm H x 20.32cm W x 12.70cm D (8” x 8” x 5”)
  • Weight: 4.54 kg (10 lb)
  • Operating Temperature: ‐20°C to 40°C (‐4°F to 104°F)
  • Monitor Warranty: Two years
  • Sensor Warranty: 3 years (CO) / 1 year (NO2)
  • Typical Sensor Life: 5 years (CO) / 3 years (NO2)
  • Indicators (per Gas):
    • Red LED – Alarm
    • Yellow LED – Warning
    • Green LED
    • LED On – Run
    • LED Flashing – Fault
    • LED Off – Off
  • Typical Coverage Area: 7500 sq. ft.
  • Recommended Mounting Height: 4‐5 ft. A.F.F.

  • Eligible for the EZ Cal Sensor Exchange Program
  • 4‐20 mA Output per Gas
  • Selectable 4‐20 mA, 0‐10 VDC, 2‐10 VDC Output of the peak gas concentration can be tied back to variable drives and fan motors for significant energy savings over traditional “all or nothing” ventilation strategies
  • User selectable:
    • Activation delays, five minutes for Warning and/or Alarm set points
    • Minimum Run Timer
  • 95 dBa Audio alarm with Warning and/or Alarm set points
  • Optional Concentration Displays

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