- Suitable for gases according to DVGW worksheet G-260 and neutral, non-aggressive gases, other gases on request
- Special design for aggressive gases is possible
- Roller counter, which registers the total volume and displays it at any time without a power supply
- High measuring accuracy
- Horizontal or vertical gas flow
- Optionally with mechanical output clutch
- TRZ 03E without mechanical counter, with electronic tap for computer systems
