Editorial Technical Reference

Pressure/Temperature Sensors

This page explains how Pressure/Temperature Sensors is classified within Machinery and Equipment Manufacturing. Technical values and manufacturer relationships are research references; confirm the current specification and supplier evidence for each order.

Technical Definition & Core Assembly

Integrated sensors that simultaneously monitor pressure and temperature conditions within the separation unit's fluid stream.

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Pressure/Temperature Sensors in a manufacturing environment
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Product Specifications

Technical details and manufacturing context for Pressure/Temperature Sensors

Definition
These dual-function sensors are installed in the In-line Separation Unit to provide real-time monitoring of both pressure and temperature parameters. They are critical for maintaining optimal separation efficiency, ensuring process stability, and preventing equipment damage by detecting abnormal conditions in the fluid flow. The sensors combine pressure and temperature sensing elements in a single housing, typically using stainless steel for the housing, ceramic for the sensing elements, and copper for internal wiring. Pressure sensing commonly employs piezoelectric or strain gauge technology to convert mechanical pressure into electrical signals, while temperature sensing uses thermocouples, RTDs, or thermistors to measure thermal changes. Both measurements are transmitted to the unit's control system for processing and display. The sensors are designed for a range of operating conditions, with an operating pressure range of 1.0–1.6 MPa and an operating temperature range of -40 to 85 °C. Pressure accuracy is ±0.5% FS (per IEC 60770), and temperature accuracy is ±0.5 °C (Class A per IEC 60751). The supply voltage is 9–36 V DC, with a 4–20 mA two-wire loop-powered output (per IEC 60381). Ingress protection is rated IP65–IP67 (per IEC 60529), and the process connection is G1/2 to G1 inch (per DIN 3852). The sensor material is 316L stainless steel (per ASTM A276), and the response time is ≤10 ms for 63% of a step change. Weight ranges from 0.2 to 0.5 kg depending on connection and options. All specifications are reference values; verify model-specific details with the manufacturer.
Working Principle
Pressure sensing typically uses piezoelectric or strain gauge technology to convert mechanical pressure into electrical signals, while temperature sensing employs thermocouples, RTDs, or thermistors to measure thermal changes. Both measurements are integrated into a single housing with separate sensing elements that transmit data to the unit's control system.
Common Materials
Stainless steel housing, Ceramic sensing elements, Copper wiring
Technical Parameters
ParameterTypical rangeNotes & selection driver
Operating Temperature-40–85 °CExceeding range may damage sensing element
Pressure Accuracy±0.5 % FSIncludes linearity, hysteresis, repeatabilityIEC 60770
Temperature Accuracy±0.5 °CClass A toleranceIEC 60751
Supply Voltage9–36 V DCReverse polarity protected
Output Signal4–20 mATwo-wire loop poweredIEC 60381
Ingress ProtectionIP65–IP67For outdoor or washdown environmentsIEC 60529
Process ConnectionG1/2–G1 inchThread size per customer requirementDIN 3852
Sensor Material316LCorrosion resistant for most mediaASTM A276
Response Time≤10 msFor 63% of step change
Weight0.2–0.5 kgDepends on connection and options

Ranges are indicative industry figures for RFQ preparation, not a supplier commitment. Confirm every value and standard with the legal manufacturer before ordering.

Components / BOM
  • Pressure Sensing Element
    Converts mechanical pressure into electrical signal
    Material: Stainless steel diaphragm with piezoelectric crystal
  • Temperature Sensing Element Part
    Measures thermal changes in the fluid
    Material: Platinum RTD or thermocouple
  • Signal Transmitter
    Converts sensor signals to standardized output
    Material: Electronic circuit board with copper components
  • Protective Housing
    Shields sensing elements from process media and environmental factors
    Material: 316L stainless steel

Application & selection

Application Fit & Sizing Matrix

Operational Limits
pressure: 0 to 100 bar
flow rate: Up to 10 m/s
temperature: -40°C to 150°C
slurry concentration: Up to 30% solids by weight
Media Compatibility
✓ Water-based fluids ✓ Hydraulic oils ✓ Process chemicals (pH 4-10)
Unsuitable: Hydrofluoric acid or highly caustic solutions
Sizing Data Required
  • Process fluid type and properties
  • Required pressure and temperature measurement ranges
  • Installation location and connection requirements

Risk, maintenance & compliance

Reliability & Engineering Risk Analysis

Failure Mode & Root Cause
Drift or Inaccuracy
Cause: Thermal cycling, mechanical stress, or contamination causing sensor element degradation or calibration shift over time.
Signal Loss or Intermittent Output
Cause: Wiring/connection failure due to vibration, corrosion, or moisture ingress, or internal electronic component failure.
Maintenance Indicators
  • Erratic or unstable readings on the control system display or HMI that deviate from expected process values.
  • Physical damage such as cracked housing, loose fittings, or visible corrosion/leaks at the sensor installation point.
Engineering Tips
  • Implement regular calibration checks and condition monitoring (e.g., trend analysis) to detect drift early and schedule proactive maintenance.
  • Ensure proper installation with vibration isolation, environmental protection (e.g., seals, enclosures), and correct wiring practices to minimize stress and contamination.

Indicative industry ranges for design and RFQ preparation. Confirm the exact figures and applicable standard with the manufacturer before specifying.

Compliance & Manufacturing Standards

Applicable Standards
ANSI/ISA-67.04.01-2006 - Setpoints for Nuclear Safety-Related Instrumentation DIN EN 60751:2008 - Industrial Platinum Resistance Thermometers and Platinum Temperature Sensors

Quoted from the published standard.

Manufacturing Precision
  • Pressure Range Accuracy: +/-0.5% of full scale
  • Temperature Measurement Accuracy: +/-0.1°C over operating range
Quality Inspection
  • Hydrostatic Pressure Test - Verifies sensor integrity under maximum rated pressure
  • Thermal Cycling Test - Validates sensor performance across specified temperature extremes
Technical documentation
Request current drawings, revision history, and a signed specification sheet.
Manufacturing capability
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Inspection readiness
Confirm test methods, calibrated equipment, sampling plans, and traceable reports.
Supplier transparency
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Manufacturers of Pressure/Temperature Sensors

Manufacturer profiles associated with Pressure/Temperature Sensors.

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Frequently Asked Questions

What is the operating pressure range of these sensors?

The operating pressure range is 1.0–1.6 MPa. Always confirm the exact range for your specific model.

What is the temperature accuracy?

The temperature accuracy is ±0.5 °C, with a Class A tolerance per IEC 60751. This applies within the operating temperature range of -40 to 85 °C. Exceeding this range may damage the sensing element.

What output signal does the sensor provide?

The sensor provides a 4–20 mA two-wire loop-powered output, per IEC 60381. This is a standard analog signal for process control. The supply voltage is 9–36 V DC, with reverse polarity protection.

What is the ingress protection rating?

The ingress protection rating is IP65–IP67, per IEC 60529. This makes the sensor suitable for outdoor or washdown environments. However, the actual rating may vary with the process connection and options; verify with the manufacturer.

Data basis: editorial classification, named public sources where available, and source-reviewed manufacturer records. See the editorial policy.

Related equipment

Applied To / Applications

This component is essential for the following industrial systems and equipment:

In-line Separation Unit
View system integration details

Industrial Ecosystem & Supply Chain Structure

Data Basis

Editorial classification, named public sources where available, and source-reviewed manufacturer records.

Preliminary Technical Classification
This page supports structured research, RFQ preparation, and supplier evaluation. It does not replace buyer-led supplier qualification, standards review, or technical approval.

Compiled and source-reviewed by the CNFX editorial team. Each manufacturer above links to the page on that company's own website where the product is listed, with the date we checked it. How we source and review · Page last updated 12 October 2026

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