TEMP PRO SR-6255-12-PF Rtd Din Alpha Thermocouple 0HM 00385 1.2.1

( Brand: Temp Pro ), ( Manufacturer Part Number: SR-6255-12-PF )

Review TEMP PRO Rtd 100 0hm Din Alpha Thermocouple 1.2.1

The **PRO-SR-6255-12-PF RTD (0 DIN Alpha 0.00385)** is a high-precision, industrial-grade resistance temperature detector (RTD) designed for demanding applications requiring exceptional accuracy, reliability, and long-term stability. Part of the PRO-Series from an industry-leading manufacturer, this RTD is engineered to deliver consistent performance in harsh environments, making it an ideal choice for process control, HVAC systems, laboratory instrumentation, and automated manufacturing processes. Constructed with a **100 platinum (Pt100) sensing element**, this RTD adheres to the **DIN IEC 60751 standard**, ensuring compliance with international calibration requirements while maintaining an **alpha coefficient of 0.00385**, which defines its temperature-resistance relationship with unparalleled precision. The **0 nominal resistance at 0 C** ensures minimal cold-junction error, enhancing measurement accuracy across a wide temperature range, typically spanning from **-200 C to 600 C**, depending on the sheath material and construction. The **1.2mm diameter sheath** provides a compact yet robust design, allowing for easy installation in tight spaces while offering superior thermal response time, making it suitable for dynamic applications where rapid temperature changes must be monitored. The **PF (Platinum Film) construction** ensures exceptional stability over extended periods, reducing drift and maintaining calibration integrity even under thermal cycling or mechanical stress. This RTD is fully compatible with **DIN rail mounting** (via optional DIN rail clips) and features a **standard 3-wire configuration** for enhanced accuracy by minimizing lead wire resistance errors. Whether integrated into a custom control system, industrial automation setup, or high-precision laboratory environment, the PRO-SR-6255-12-PF delivers a seamless balance of performance, durability, and ease of integration, making it a trusted solution for professionals demanding the highest standards in temperature measurement.

### **Pros and Cons of buying a Pro SR-6255-12-PF RTD (0 DIN Alpha 0.00385) Thermocouple (Type 1.2.1)**

1. **High Accuracy and Stability** The specified alpha coefficient (0.00385) indicates a well-calibrated platinum resistance thermometer (RTD), ensuring precise temperature measurements over a wide range. This is critical for industrial, laboratory, or process control applications where accuracy matters.

2. **Wide Temperature Range** RTDs generally perform well across a broad temperature spectrum (typically -200 C to 850 C, depending on the model), making this sensor suitable for applications requiring both low and high-temperature monitoring.

3. **Durability and Reliability** The DIN (Deutsches Institut f r Normung) standard suggests compliance with industrial-grade specifications, implying robust construction for long-term use in harsh environments. The 0 reference point further indicates a stable baseline for measurements.

4. **Compatibility with Industrial Systems** The 1.2.1 designation likely refers to a **Type 1.2.1 RTD** (a variant of Pt100 or Pt1000), which is widely used in automation, HVAC, and manufacturing. It can integrate seamlessly with PLCs, DCS, or data loggers using standard protocols (e.g., 4-20mA, Profibus, Modbus).

5. **Low Drift Over Time** Platinum-based RTDs exhibit minimal drift, meaning they maintain accuracy over extended periods without frequent recalibration, reducing maintenance costs.

6. **Flexibility in Installation** The sensor can be configured for various mounting options (flanged, threaded, or probe-style) depending on the application, allowing for adaptability in different setups.

7. **Long-Term Cost Efficiency** While the upfront cost may be higher than some alternatives (e.g., thermocouples), the longevity and precision of RTDs often justify the investment in applications requiring high reliability.

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1. **Higher Initial Cost** RTDs are generally more expensive than thermocouples, which may be a drawback for budget-sensitive applications where cost is the primary concern.

2. **Slower Response Time** Compared to thermocouples, RTDs have a slower thermal response due to their higher mass and resistance. This can be a limitation in dynamic or rapidly changing temperature environments.

3. **Fragility in Extreme Conditions** While durable, RTDs can be damaged by mechanical stress, vibration, or sudden temperature shocks if not properly protected (e.g., with sheathing or insulation). This requires careful handling in rugged environments.

4. **Limited Flexibility in Wiring** RTDs typically require 3- or 4-wire configurations to compensate for lead wire resistance, adding complexity to installation compared to 2-wire thermocouples.

5. **Potential for Lead Wire Errors** If not properly compensated, the resistance of the lead wires can introduce measurement errors, necessitating careful selection of wiring materials (e.g., low-resistance copper) and compensation techniques.

6. **Less Common in High-Voltage or Explosive Environments** While RTDs can be used in hazardous areas, they may require additional certification (e.g., ATEX, IECEx) and protective measures, adding to complexity and cost in such settings.

7. **Calibration Requirements** Although platinum RTDs are stable, they still require periodic calibration to ensure accuracy, especially in critical applications where traceability is mandatory (e.g., pharmaceuticals, aerospace).

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### **Conclusion**

The **Pro SR-6255-12-PF RTD (0 DIN Alpha 0.00385, Type 1.2.1)** is a high-quality, precision temperature sensor ideal for applications demanding **accuracy, stability, and long-term reliability**. Its strengths lie in its industrial-grade construction, wide temperature range, and compatibility with automated systems. However, its **higher cost, slower response time, and installation complexity** may make it less suitable for cost-sensitive or rapidly changing environments where thermocouples or simpler sensors would suffice.

### **Recommendation**

- You require **high-precision temperature measurement** in industrial, laboratory, or process control applications.

- Your system is **PLC/DCS-compatible** and needs a reliable, long-lasting sensor.

- You can justify the **upfront cost** with the sensor s accuracy and durability.

- The environment is **not excessively dynamic** (e.g., no extreme vibration or rapid temperature swings).

- **Budget is a constraint**, and you can tolerate slightly lower accuracy.

- **Fast response time** is critical (e.g., in combustion systems or rapid heating/cooling processes).

- The application involves **high-voltage or explosive hazards**, where simpler or more rugged sensors may be preferable.

- You need **simpler wiring and installation** (e.g., 2-wire thermocouples).

For most **industrial, HVAC, or automation applications**, this RTD is an excellent choice due to its balance of performance and reliability. However, always verify compatibility with your specific system and environment before purchasing.

Details:

Temp Pro Rtd SR-6255-12-PF 100 0HM Din Alpha 00385 Thermocouple. Our in house technicians refurbish a wide range of high failure, obsolete parts such as: AC/DC Servo Drives, Amplifiers, Touch Screens/ HMI's, Power Supplies, PLC's, Sensors, and virtually any industrial Circuit Boards. E endeavor to take good clear photos of our equipment that may show signs normal use such as scuffs, scratches, or other blemishes. MACT # 3250.

part #: sr625512 prices

• $17.70-$22.41

specifications temperaturcontr:

• brand: Temp Pro
• mpn: Sr-6255-12-pf

shipping Temperaturcontr:

• transit: 3-6 Days
• service: UPS Ground, FedEx Ground / FedEx Home Delivery, USPS Priority Mail, UPS Next Day Air
• type: Calculated
• carrier: UPS, FedEx, USPS
• class: Standard, Expedited, One-day
• cost: $51.70

general Temperaturcontr:

• PLCs HMIs > PLC Peripheral Modules > PLC Temperature Modules
• condition: Used

offer Temperaturcontr:

• started: March 6, 2026
• options: Ship-to-home
• quantity: 1
• best offers: True
• availability: In Stock
• sold: 0

returns Temperaturcontr:

• time: 30 Days
• policy: Returns Accepted
• method: Money back
• paid by: Seller

payments Temperaturcontr:

• other
• credit card: Discover
• wallet: Paypal

seller Temperaturcontr:

• rating: 99.9%
• city: Duncan, South Carolina
• # reviews: 1376

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