Designed to significantly reduce the nuisance alarms associated with using diesel equipment in coal mines. In addition to emitting carbon monoxide (CO), the diesel engine also emits nitric oxide (NO) in a CO/NO ratio of approximately 4:1.

Using two gas sensing cells, the monitor employs the same CO sensing cell and circuitry used in the traditional MC-4210-CO gas monitor along with another NO cell and its associated sensing circuitry.

  • Available as O2, CO, NO, NO2, SO2, H2S, H2
  • Stand Alone or part of a complete Atmospheric Monitoring System
  • Magnetically activated test and calibration without opening the front cover
  • Microprocessor controlled calibration with no mechanical adjustments
  • Adjustable alarm and warning outputs
  • May be used in hazardous areas with external I.S. barrier
  • Low current operation
  • Easy to read 4 Digit LCD Display
  • Smart operation: Testing and Calibration procedures do not activate alarms
  • Network communications indication
  • Sealed polycarbonate enclosure
  • Optional Input/Output Interface PC Board available
Enclosure Dimensions:7.5″W x 9.5″H x 5.5″D
(19.05 cm x 24.13 cm x 13.97 cm)
Operating Voltage:16-24VDC
Backup Battery:No
Inputs:AMR Data Line
Outputs:AMR Data Line
Display:Single Line, 4 Digit LCD
Communication Protocols: AMR
Address Range:1 - 511
Self Test Feature:Yes
Other Notes:Reduces nuisance alarms for diesel equipment

Head Office

PO Box 234
12187 N Scenic Highway
Rocky Gap, VA 24366

T:  +1-800-541-5583
F:  +1-276-928-1815

Hours of operation:
Monday - Friday
8:00AM - 4:30PM EST

Bluefield Facility

1960 Valley Dale Street
Bluefield, VA 24605-9454

GPS > 700 Fincastle Tnpk

T:  +1-800-428-7800
P:  +1-276-326-2611

Hours of operation:
Monday - Friday
8:00AM - 5:00PM EST

After Hours, Weekend & Holiday Service

+1 866-456-0231 (Toll Free)
* A technician will respond by phone within four hours of receiving your call.