TDC-GP22 is next generation‘s upgrade for TDC-GP21.
It is a 100% pin-to-pin and functional
compatible upgrade of TDC-GP21, with an extended functionality. Especially the new first-wave
detection capability makes the TDC-GP22 perfectly suited for ultrasonic water meters with their
The programmable offset range of the comparator is increased to ± 35 mV and
the offset is automatically set back to zero after the first wave detection. Measuring the relative
pulse width of the first wave gives the user an indication of the strength of the received signal.
This can be used for adopting the system to long-term signal attenuation or for bubble detection.
The multi-hit data processing and data read-out is simplified compared to TDC-GP21.
All in all, the TDC-GP22 is a further improvement and simplification for the design of ultrasonic
heat meters and a necessary step for compact ultrasonic water meters.
1x TDC-GP22V1 Time-to-Digital Converters Time-of-Flight Laser Range Finder Sensor