HighTempPressureDry High-Temperature Dynamic Pressure Sensors
Discuss a dry sensing head with remote electronics when cooling services are unavailable. Select the sensing technology from the real temperature and low-frequency requirements.
450–700°C application review · configuration-specific review
HTP-DYN identifies an RFQ configuration family. Final ratings and an issued drawing are agreed for the selected build.
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HTP-DYN: conditions that determine the configuration
Head temperature and dwell time; ambient at the conditioner
Lowest and highest useful frequency with allowed amplitude error
Dynamic amplitude plus total static line pressure
Connector insulation, cable length and mounting cavity
Set dry-head temperature and cable limits separately
A high-temperature charge pressure sensor needs a matched charge amplifier and a stated low-frequency cutoff. Include insulation, connector temperature, cable length and total pressure as well as dynamic amplitude.
A dry head still has a thermal limit
SOI, thin-film and piezoelectric technologies do not share a universal maximum temperature. Packaging, connectors, insulation resistance and cable terminations may impose a lower limit than the sensing material. Continuous and transient ratings must be reviewed separately.
Charge-mode measurements need low-frequency planning
A charge amplifier and cable determine the low-frequency cutoff and discharge time constant. Specify the lowest frequency of interest, expected pressure pulsation and permissible drift. Mean pressure may require a separate static channel.
Installation can dominate the measured spectrum
Recessed ports and sense tubes can introduce resonances and attenuation. Request the probe geometry, cable routing, thermal shielding and mounting-cavity review before using the system for turbine or combustion analysis.
Where HTP-DYN fits the pressure duty
Turbine combustion monitoring, exhaust pulsation and hot research instrumentation where coolant is unavailable.
Charge or remote bridge conditioning; technology selected per duty
Request configuration evidence →Accessories selected around the sensing technology
For bridge-output probes only. State the required DC–100/200 kHz target, excitation, cable and BNC output; final bandwidth and price require review.
For charge-mode probes only. Confirm pC range, low-frequency cutoff and upper bandwidth.
USD budget references. Final selection and commercial prices follow the reviewed RFQ.
Before specifying HTP-DYN
Does the temperature band guarantee a supplied rating?
No. It describes an application selection route. Media, sensor-body, cable and electronics limits must be confirmed from the selected configuration documentation.
Can this replace an existing branded sensor?
Send the complete part number, installation drawing and electrical specification. Thread size alone does not establish equivalence in sealing, insertion depth, signal behavior or dynamic response.
What documentation should accompany the quotation?
Request a configuration datasheet, dimensioned installation drawing, wiring details, calibration scope and the evidence relevant to thermal duty and response.
Turn your thermal duty into a clear sensor RFQ.
Send media and ambient temperatures, pressure reference, dynamics and mounting requirements.
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