Information for persons submitting instruments for calibration or legalization
Calibration of gas concentration meters requires that they be technically functional for the measurements they perform. If they are not functional, please contact our service center.

For gas concentration meters submitted for calibration, please include:
- Equipment necessary for start-up (e.g. probes, computer, gas connection adapter)
- User manual
- Charger / power supply, cables
- Customer order review – [link] (click to download)
For re-legalization of exhaust gas analyzers, please include:
- Exhaust gas sampling probe
- User manual
- Last certificate of legalization – if legalization was performed in another laboratory
- Application for re-legalization – [link] (click to download)
Comments and suggestions regarding the services provided by the Laboratory should be sent to: ap002@rtserwis.com
We would appreciate it if you could complete the survey: Customer Satisfaction Survey – [link] (click to download)