Level
ST-H Transducer
The SIEMENS ST-H transducer uses ultrasonic technology to measure level in chemical storage and liquid tanks. The ST-H's narrow design allows the transducer to be mounted on a 2" (50.8 mm) standpipe. When mounted correctly, it is completely protected from the process and can even be used in harsh, corrosive environments.
| Range | 0.3 to 10 m (1 to 33 ft) |
|---|---|
| Maximum Temperature | 73 °C (163 °F) (CSA/FM model) |
| " | 60°C (140 °F) (ATEX model) |
| Frequency | 44 kHz |
| Key Applications | Chemical storage, liquid tanks |
The SIEMENS ST-H transducer uses ultrasonic technology to measure level in chemical storage and liquid tanks. The ST-H’s narrow design allows the transducer to be mounted on a 2″ (50.8 mm) standpipe. When mounted correctly, it is completely protected from the process and can even be used in harsh, corrosive environments.
During operation, the ultrasonic transducer emits acoustic pulses in a narrow beam perpendicular to the transducer face. The level transceiver measures the propagation time between pulse emission and reception of the echo to calculate the transducer’s distance to the material. The integral temperature sensor automatically compensates variations in sound velocity due to temperature changes within the permissible range.
| Siemens Level Guide | SIEMENS-Level-Guide |
|---|
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