Core Value: The Miniature Thermocouple Connector Plug (Type K) is the industry standard for connecting thermocouple sensors to instrumentation with zero signal loss. Featuring a flat-pin design and ANSI-standard Yellow color coding, this connector utilizes true thermocouple alloy pins (Chromel (+) and Alumel (-)) rather than cheap plated brass. This ensures that the thermal gradient across the connection does not introduce error-inducing EMF, guaranteeing laboratory-grade accuracy. Constructed from rugged, glass-filled thermoplastic, it withstands temperatures up to 220°C and ensures a polarized, vibration-proof connection for injection molding, test labs, and HVAC applications. BACKED BY 30+ YEARS MANUFACTURING EXPERIENCE and UNDERGOES MULTIPLE RIGOROUS QUALITY CHECKS for precise calibration conformity.
- ✓ True Alloy Pins: Positive (Chromel) and Negative (Alumel) pins match wire composition for high accuracy.
- ✓ Polarized Design: Flat pins with different widths prevent reverse polarity connection errors.
- ✓ Durable Body: Glass-filled nylon shell withstands impact and temperatures up to 220°C.
- ✓ Quick Connection: Sandwich-style screw terminals allow for rapid wire assembly without soldering.
- ✓ Standardized Fit: Compatible with all standard miniature (SMP/SMPW) flat-pin jacks worldwide.
- ✓ ANSI Color Coded: Bright Yellow housing for instant Type K identification.
- ✓ Reliable Quality: 30+ YEARS MANUFACTURING EXPERIENCE ensures alloy purity.
- ✓ Quality Assured: UNDERGOES MULTIPLE RIGOROUS QUALITY CHECKS.
- ✓ Global Standards: CE, RoHS, ISO 9001, ASTM E230 compliance.
Technical Specifications & Performance Data
| Parameter | Standard Value | Customizable Range | Notes |
|---|---|---|---|
| Calibration Type | Type K (NiCr-NiAl) | J, T, E, N, R/S | ANSI Yellow Color |
| Connector Size | Miniature (Flat Pins) | Standard (Round Pins) | SMP Compatible |
| Pin Material (+) | Chromel (Non-Magnetic) | – | Nickel-Chromium |
| Pin Material (-) | Alumel (Magnetic) | – | Nickel-Aluminum |
| Body Material | Glass-Filled Nylon | Ceramic / High-Temp Polymer | Rugged & Lightweight |
| Max Temperature | 220°C (425°F) | 350°C / 650°C (Ceramic) | Body limit |
| Wire Size | Up to 20 AWG | – | Accepts fine wires |
| Color Code | ANSI Yellow | IEC Green / JIS Blue | Specify standard when ordering |
| Hardware | Stainless Steel Screws | – | Corrosion resistant |
| Warranty | 1 Year Standard | Quality assured | COMPREHENSIVE QUALITY ASSURANCE |
Industrial Applications & Solutions
- Injection Molding Probes: Connecting hot runner manifold sensors to temperature controllers. The miniature size saves space on crowded mold connection panels.
- Handheld Thermometers: The standard interface for almost all portable industrial thermometers (Fluke, Omega, etc.). Allows for quick probe swapping in the field.
- Test & Measurement Labs: Used in data acquisition setups where reliable, repeatable low-noise connections are critical for experiment validity.
- Food Processing: Probing internal food temperatures. The durable plastic shell resists cleaning agents and rough handling.
- HVAC Diagnostics: Connecting air and pipe probes for system balancing. Polarized pins ensure technicians cannot accidentally reverse the reading.
- Automotive Testing: Engine bay temperature logging. High vibration resistance ensures the plug stays mated during dyno runs.
HT-Heater vs Standard Market Connectors
| Feature | HT-Heater (High Grade) | Cheap Market Generic | Your Advantage |
|---|---|---|---|
| Pin Composition | True Thermocouple Alloys | Compensating Metal / Brass | Zero error at connection point |
| Plastic Quality | Glass-Filled Thermoplastic | Recycled ABS | Won’t melt or crack easily |
| Terminal Grip | Sandwich Washer | Direct Screw | Secure wire hold, no fraying |
| Pin Tolerance | Precision Stamped | Loose Tolerance | Tight fit, no signal intermittent |
| Manufacturing Experience | 30+ YEARS EXPERIENCE | New factories | Standardized color accuracy |
| Quality Assurance | MULTIPLE RIGOROUS QUALITY CHECKS | Visual only | ZERO DEFECT DELIVERY |
Installation & Integration Guidelines
- Wire Preparation: Strip insulation back approx. 5mm. Do not tin the wires with solder, as this changes the metal composition; clamp the bare wire directly.
- Polarity: Type K is polarized. The Negative (-) pin is slightly wider and is Red wire (ANSI). The Positive (+) pin is narrower and is Yellow wire (ANSI). Connect correctly to avoid negative temperature readings.
- Strain Relief: Utilize the internal wire clamp or an external tube clamp to prevent pulling force on the screw terminals.
- Temperature Limit: This is a thermoplastic connector rated for 220°C. For vacuum furnaces or ceramic kilns, request our High-Temp Ceramic version.
Customer Success Stories
Case 1: Laboratory Calibration Service (UK)
Application: Data logger connections for thermal mapping.
Challenge: Cheap connectors were introducing a ±1.5°C error due to poor alloy quality.
Solution: Switched to HT-Heater Premium Miniature Connectors.
Results: ACCURACY RESTORED TO ±0.1°C. “The true alloy pins make all the difference. HT-Heater UNDERGOES MULTIPLE RIGOROUS QUALITY CHECKS.”
Case 2: Plastic Injection Molder (China)
Application: Quick-change mold temperature sensors.
Challenge: Connectors were cracking during daily mold changes.
Solution: Glass-filled Nylon Type K Plugs.
Results: CONNECTOR BREAKAGE ELIMINATED. “30+ YEARS MANUFACTURING EXPERIENCE shows in the plastic durability. They handle the abuse.”
Case 3: Automotive Testing (Germany)
Application: Brake temperature monitoring.
Challenge: Vibration causing signal loss.
Solution: Precision-fit miniature plugs with sandwich terminals.
Results: STABLE SIGNAL. “Solid connection even at high RPM. Great quality assurance.”
Pricing & Procurement Options
Standard Production: MOQ 10 pieces. BACKED BY 30+ YEARS MANUFACTURING EXPERIENCE ensures consistent quality. Discounts for 50+ units. Standard models in stock.
Lead Times: Standard: 7-10 days production. Custom: 10-15 days. Samples: 5-7 days. Rush service available for urgent requirements.
Global Logistics: Worldwide shipping via UPS, DHL, FedEx, EMS, TNT or the shipping agent as your request. Every shipment backed by 30+ YEARS MANUFACTURING EXPERIENCE.
Sample Orders: Available for testing. Contact sales for pricing. All samples UNDERGO MULTIPLE RIGOROUS QUALITY CHECKS.
Global Certifications & Compliance
- CE Marking
Conforms to European directives - LVD Compliance
Electrical safety requirements - RoHS Compliant
Environmentally safe materials - ISO 9001
Rigorous quality control processes
Quality Documentation: Certificate of Conformity and material analysis reports available. Every unit UNDERGOES MULTIPLE RIGOROUS QUALITY CHECKS before shipment.
Comprehensive After-Sales Support
Warranty: 1 Year Standard Warranty against manufacturing defects.
Technical Support: Assistance with color code selection (ANSI vs IEC) and wire termination.
Service Network: BACKED BY 30+ YEARS MANUFACTURING EXPERIENCE. Global technical support available.
Ready to Secure Your Temperature Signals?
Next Steps:
- 📧 Request Custom Quote – Specify Type (K/J/T) and quantity
- 🔧 Free Sample Request – Check the fit and quality
- 📦 Download Color Code Chart – Avoid wiring errors
- 📞 Contact Sensor Experts – Response within 2 hours
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