Calibration Instructions
The MSA Bacharach X30 & X50 Monitors must be calibrated during regular maintenance intervals. Additional calibrations can be beneficial as a troubleshooting tool, or when sensor performance or environmental conditions significantly change from baseline.
When planning a calibration for Broadband Group 1-4 R-Gas configurations, humidity is an important aspect to consider. The semiconductor sensor requires humidity to successfully calibrate and should not be calibrated with dry gas for best results. It is recommended to use a calibration method to introduce humidity into the sample. The MSA calibration kit includes Nafion tubing, which provides adequate humidity to calibrate the sample.
NOTE: Never conduct a calibration with pure refrigerant gas. For R-Gases, calibration should be conducted with a minimum of 500 ppm calibration gas to a maximum of 1000 ppm concentration, balance of air. For CO2, calibration can be conducted between 50% and 90% of range.
The Installation & Calibration Kit available for purchase includes a calibration cap, Nafion tubing, tygon tubing, and other accessories to aid in conducting a successful calibration. A Regulator Kit (0.3 LPM) is also available for purchase.
To conduct a calibration, connect to the device via Bluetooth™ and the mobile app:
| 1. | Identify which sensor channel is intended for calibration and select it. Initiate the calibration procedure for the selected sensor by pressing the "Calibrate" button. Enter all relevant information regarding the concentration of calibration gas being used. |
| 2. | Begin zero calibration with no gas present in the environment. Allow the zero calibration to complete. |
| 3. | Attach the calibration cup by pressing firmly onto the sensor face. |
| 4. | Initiate flow of calibration gas by turning the regulator to 0.3 LPM. |
| 5. | Begin the Span Calibration and allow the calibration to proceed. Step-by-step instructions and visual aids will appear on the mobile app. |
After calibration, the unit may enter an alarm or fault state if the wrong gas type or concentration of gas is applied. To resolve, initiate another calibration with the correct gas. If calibration does not pass, consult troubleshooting methods or contact Technical Support.