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Senva TGM-A4X-AS : Metal Wall Mount R410A Refrigerant Sensor/Controller, 0-10V, 0-5V, 1-5V and 4-20mA Selectable Output, LCD Display, Solid/Opaque Enclosure, 7-Year Warranty

Senva

MSRP: $1,001.70
$400.50
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TGM-A4X-AS
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Senva TGM-A4X-AS : Metal Wall Mount R410A Refrigerant Sensor/Controller, 0-10V, 0-5V, 1-5V and 4-20mA Selectable Output, LCD Display, Solid/Opaque Enclosure, 7-Year Warranty

Applications

  • Refrigerant leak detection in mechanical rooms
  • Pre-calibrated for R410A and also senses refrigerant including R134A, R410A, R407C, R404A, R22, R123
  • Monitor multiple gases with one mounted unit
  • Alert occupants of elevated gas levels
  • Directly control exhaust fans

Specifications

Power Supply 15-30VDC/24VAC(1), 4W max, 160mA max.
Analog Outputs  
Programmable output 0-10V (default), 0-5V, 1-5V, 4-20mA (menu selectable)
Output scaling Menu selectable; see installation manual for ranges
Fan Relay  
Fan relay characteristics N.C. 1A@24/30VDC (50/60Hz) (no mains connection)
Fan relay setpoint 300 ppm (default), 0-1000 ppm (menu selectable)
Alarm Relay  
Alarm relay characteristics N.C. 1A@24/30VDC (50/60Hz) (no mains connection)
Alarm relay setpoint 600 ppm (default), 0-1000 ppm (menu selectable)
Display 3-1/2 digit LCD Green, Yellow, Red
Audible Alarm 85dB Piezo transducer 30 minutes above alarm setpoint (menu selectable)
General Purpose Sensor Performance  
Type MOS
Detection Range 0-1000 ppm
Resolution 1 ppm
Listed Gas types 2-9 Factory calibrated for respective gas
R134A Sensitivity(2) @300ppm test gas: 450 ppm R410A, 425 ppm R407C, 400 ppm R404A, 370 ppm R22, 300 ppm R134A, R134
Other detectable gases(3) R407A, R407F, R427A, R452B, R507, R448A, R422A, R422D, R452A, R514A, R32, R123
Life expectancy >10 years (typical life expectancy for MOS sensors)
Coverage Area 5000-7500 square feet
Operating Environment  
Temperature, Operational -30 to 50oC (-22 to 122oF) (CO2 versions rated to -40o C)
Humidity 15-95% continuous, 0-95% intermittent
Max Elevation 2000m, Refrigerant 2629 m (8625 ft)
Enclosure (Metal)  
Material & Enclosure Rating Powder-coated steel, NEMA 3R
Dimensions 5.0”h x 4.3”w x 2.25”d
Opening Dual air vents on front lid of enclosure
Mounting Pre-drilled for 2x4” electrical box
Rating IP20
Agency Compliance UL61010-1 Listed UL, cUL, CE

 

Datasheets

pdf logo Senva TG Series Duct Refrigerant Sensor/Controller Data Sheet
pdf logo Senva TG Series Installation
pdf logo Senva TG Sensing Element Replacements
pdf logo Engineering Specifications TG Series - Toxic Gas Sensor
pdf logo Senva Made In USA Certificate 2023
pdf logo Application Note TG Sensor Placement
pdf logo R134A Refrigerant Cross-Sensitivity
pdf logo User’s Guide TG Series
pdf logo Application Note TG Field Calibration

 

 
Enclosure Style:
Wall
Gas Element:
Refrigerant
Analog Output:
2
Relay Output:
2 SPDT
Communication:
None
Display:
LCD Display

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