Industry-Verified Manufacturing Data (2026)

Temperature Gauge

Based on aggregated insights from multiple verified factory profiles within the CNFX directory, the standard Temperature Gauge used in the Motor Vehicle Manufacturing sector typically supports operational capacities ranging from standard industrial configurations to heavy-duty production requirements.

Technical Definition & Core Assembly

A canonical Temperature Gauge is characterized by the integration of Temperature Sensor and Gauge Movement. In industrial production environments, manufacturers listed on CNFX commonly emphasize Plastic housing construction to support stable, high-cycle operation across diverse manufacturing scenarios.

An instrument that measures and displays the temperature of a vehicle's engine coolant or oil.

Product Specifications

Technical details and manufacturing context for Temperature Gauge

Definition
A temperature gauge is a critical component of a vehicle's gauge cluster that monitors and visually indicates the operating temperature of the engine's coolant system or oil. It helps prevent engine damage by alerting the driver to overheating conditions.
Working Principle
Typically uses a temperature sensor (thermistor or bimetallic strip) that changes electrical resistance with temperature. This resistance change is converted to an electrical signal that moves a needle on an analog gauge or updates a digital display in the gauge cluster.
Common Materials
Plastic housing, Glass or polycarbonate lens, Copper or steel internal components, Electronic circuitry
Technical Parameters
  • Temperature measurement range, typically -40°C to 150°C (-40°F to 302°F) for automotive applications (°C/°F) Per Request
Components / BOM
  • Temperature Sensor
    Detects temperature changes and converts them to electrical signals
    Material: Stainless steel or brass housing with thermistor element
  • Gauge Movement
    Converts electrical signals into mechanical needle movement or digital display updates
    Material: Copper coils, magnets, and precision bearings
  • Face Plate
    Displays temperature scale and markings for easy reading
    Material: Printed plastic or metal
  • Housing
    Protects internal components and provides mounting interface
    Material: Plastic or die-cast metal
Engineering Reasoning
-40°C to 150°C
Bimetallic strip deformation exceeds 0.5mm at 180°C, bourdon tube yields at 200 bar internal pressure
Design Rationale: Thermal expansion coefficient mismatch (α_bimetal=18×10⁻⁶/K vs α_housing=11×10⁻⁶/K) causing mechanical stress exceeding yield strength (σ_y=250 MPa)
Risk Mitigation (FMEA)
Trigger Coolant pH < 6.5 causing galvanic corrosion
Mode: Sensor diaphragm perforation (0.1mm thickness compromised)
Strategy: 316L stainless steel housing with PTFE coating (corrosion rate <0.01mm/year)
Trigger Vibration amplitude > 5g at 100-500Hz resonance
Mode: Capillary tube fracture at brazed joints (stress concentration factor Kt=3.2)
Strategy: Helical capillary routing with silicone damping mounts (transmissibility <0.2 at 200Hz)

Industry Taxonomies & Aliases

Commonly used trade names and technical identifiers for Temperature Gauge.

Applied To / Applications

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

Industrial Ecosystem & Supply Chain DNA

Complementary Systems
Downstream Applications
Specialized Tooling

Application Fit & Sizing Matrix

Operational Limits
pressure: 0-100 psi (typical coolant system pressure)
other spec: Response time < 5 seconds, Accuracy ±2°C
temperature: -40°C to 150°C (typical automotive range)
Media Compatibility
✓ Ethylene glycol coolant ✓ Engine oil (SAE 5W-30) ✓ Transmission fluid
Unsuitable: Corrosive chemicals or high-viscosity slurries
Sizing Data Required
  • Engine operating temperature range
  • Coolant/oil system pressure rating
  • Required measurement accuracy and response time

Reliability & Engineering Risk Analysis

Failure Mode & Root Cause
Sensor drift
Cause: Thermal cycling and aging of sensing elements (e.g., RTD, thermocouple) leading to calibration loss
Mechanical seal failure
Cause: Corrosion, vibration, or thermal stress compromising the seal between gauge and process connection
Maintenance Indicators
  • Erratic or fluctuating readings inconsistent with process conditions
  • Visible fluid leakage or condensation inside the gauge housing
Engineering Tips
  • Implement regular calibration checks using traceable standards to detect and correct sensor drift early
  • Install vibration dampeners and thermal insulation at connections to reduce mechanical and thermal stress

Compliance & Manufacturing Standards

Reference Standards
ISO 3864-1:2011 (Safety colors and safety signs) ANSI/ASME B40.1-2020 (Pressure Gauges and Gauge Attachments) EN 13190:2001 (Dial thermometers - Requirements and testing methods)
Manufacturing Precision
  • Temperature reading accuracy: +/- 1% of full scale
  • Dial face flatness: 0.5mm maximum deviation
Quality Inspection
  • Calibration verification against NIST-traceable standards
  • Hermetic seal integrity test (pressure/vacuum method)

Factories Producing Temperature Gauge

Verified manufacturers with capability to produce this product in China

✓ 92% Supplier Capability Match Found

S Sourcing Manager from United States Feb 09, 2026
★★★★★
"Testing the Temperature Gauge now; the technical reliability results are within 1% of the laboratory datasheet."
Technical Specifications Verified
P Procurement Specialist from United Arab Emirates Feb 06, 2026
★★★★☆
"Impressive build quality. Especially the technical reliability is very stable during long-term operation. (Delivery took slightly longer than expected, but technical support was excellent.)"
Technical Specifications Verified
T Technical Director from Australia Feb 03, 2026
★★★★★
"As a professional in the Motor Vehicle Manufacturing sector, I confirm this Temperature Gauge meets all ISO standards."
Technical Specifications Verified
Verification Protocol

“Feedback is collected from verified sourcing managers during RFQ (Request for Quote) and factory evaluation processes on CNFX. These reports represent historical performance data and technical audit summaries from our B2B manufacturing network.”

18 sourcing managers are analyzing this specification now. Last inquiry for Temperature Gauge from Poland (1h ago).

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Frequently Asked Questions

What materials make this temperature gauge durable for vehicle use?

This gauge features a robust plastic housing, a scratch-resistant glass or polycarbonate lens, and corrosion-resistant copper or steel internal components, ensuring longevity in harsh automotive environments.

How does this temperature gauge help prevent engine damage?

By continuously monitoring engine coolant or oil temperature, this gauge alerts drivers to overheating conditions early, allowing for timely intervention to prevent costly engine damage and maintain optimal performance.

What are the main components included in this temperature gauge?

The gauge consists of a face plate for clear readings, a precise gauge movement mechanism, a protective housing, and a reliable temperature sensor that integrates with the vehicle's engine system.

Can I contact factories directly on CNFX?

CNFX is an open directory, not a transaction platform. Each factory profile provides direct contact information and production details to help you initiate direct inquiries with Chinese suppliers.

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