Sonotronics Device / Instrument
Temperature and Depth Telemetry Transmitters
CTT temperature and DT/IBDT depth telemetry transmitters that report water temperature or depth by varying the interval between pings.
Description
Sonotronics telemetry transmitters encode a sensor reading in the interval between pings.
Key features
- CTT (coded temperature telemetry): ping interval of about 700 ms at 0 deg C and 1450 ms at 25 deg C; accuracy +/-2 deg C with 0.5 deg C resolution, user-calibratable; range up to 1 km+
- DT and IBDT (depth telemetry): 650 ms at the surface (0 psi) and 2050 ms at full scale of 100 psi; 50, 100, 200, 300 and 500 psi models with +/-2% of full scale accuracy
- Range up to 1 km+ for the IBDT and up to 3 km+ for the DT-97
Applications
Studies of fish depth use and thermal habitat.
Specifications
| CTT accuracy | +/-2 deg C |
|---|---|
| CTT resolution | .5 deg C |
| Depth models | 50, 100, 200, 300, and 500psi |
| Depth accuracy | +/- 2% of full scale |
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