Sensor Specifications
NOTE: Additional sensor specification details can be found on the X30 & X50 Sensor Specification Datasheet which can be found on MSASafety.com.
| Sensor Life (Typical) |
~5 years |
5+ years |
| Temperature Range |
-40º to 50º C |
-40º to 50º C |
| -40º to 122º F |
-40º to 122º F |
Refrigerant Gas List
Refrigerant gases are monitored using a Broadband group structure for HCFC, HFC, HFO, and HC refrigerant gases using the MOS sensor. Each group has a base gas listed to which the device is factory calibrated. Each gas listed in the group can be monitored in this state. In order to achieve a higher degree of accuracy, the user can initiate a field calibration with the target gas at any time.
Similarly, annual calibrations that are recommended for maintenance can be conducted using the base or target gas
Refrigerant gases are monitored by a metal oxide semiconductor sensor, which has been factory calibrated to one of three base gases.
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Target gases: R290, R32, R410A, R449A, R455A |
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Target gases: R1234yf, R1234ze(E), R404A, R407C, R507A, R513A, R515B |
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Target gases: R454A, R454C, R1233zd(E) |
NOTE: For R134a, if the device is installed at higher ambient temperatures (30°C - 50°C), a calibration must be completed upon installation and during maintenance. Warmer temperatures may result in gas readings indicating higher-than-expected values (early side warning).
R-744 (Carbon Dioxide) Gas Monitoring
The specifications below apply to all Carbon Dioxide (R744) non-dispersive infrared sensors within the product:
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Default Warning Level Settings: 50% and 90% of range (adjustable) |
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Maximum Warning Level Setpoint: Varies by range |
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Minimum Warning Level Setpoint: Varies by range |