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Type E Thermocouple Bare Wire EP EN 1.6mm Diameter High Sensitivity Grade Fast Response Temperature Sensing Wire
| 起源の場所 | 上海 |
|---|---|
| ブランド名 | Huona |
| 証明 | ISO9001 |
| モデル番号 | タイプE |
| 最小注文数量 | 10KG |
| 価格 | 交渉可能 |
| パッケージの詳細 | カートン/木製ケース |
| 受渡し時間 | 5〜21日 |
| 支払条件 | L/C、T/T、ウェスタンユニオン |
| 供給の能力 | 月産500トン |
商品の詳細
| 合金グレード | タイプE | 直径 | 1.6mm(±0.015mm) |
|---|---|---|---|
| 形状 | コイル | 精度等級 | IECのクラス1 |
| 動作温度 | -270℃～800℃（連続） | 抗張力 | 650MPa以上(EP)、450MPa以上(EN) |
| 伸長 | ≧20％（EP）、≧30％（EN） | 表面仕上げ | ゴールド/ブルー (色はカスタマイズ可能) |
| ハイライト | Type E thermocouple bare wire,1.6mm diameter thermocouple wire,high sensitivity temperature sensing wire |
||
製品の説明
Type E Thermocouple Bare Wire (EP/EN) – 1.6mm Diameter High-Sensitivity Grade
Product Overview
This Type E thermocouple bare wire from Huona is a high-sensitivity, mid-temperature thermoelectric pair consisting of EP (Chromel, positive leg) and EN (Constantan, negative leg), purpose-built for precision low-to-medium temperature applications. Manufactured via precision drawing and controlled annealing, this heavy-gauge wire delivers exceptional Seebeck coefficient, excellent corrosion resistance, and robust mechanical performance, making it ideal for process control, cryogenic systems, and chemical processing where high signal output and long service life are critical.
Core Specifications
- Product Name: Type E Thermocouple Bare Wire (EP/EN Pair, High-Sensitivity)
- Alloy Composition:
- EP (Positive Leg): Chromel (Ni: ~90%, Cr: ~10%)
- EN (Negative Leg): Constantan (Cu: ~55%, Ni: ~45%)
- Diameter: 1.6mm (customizable: 1.0–3.0mm)
- Tolerance: ±0.015mm
- Form: Coil (standard length: 50m/leg; custom lengths available)
- Thermoelectric Performance:
- Accuracy Class: IEC Class 1 (±1.5°C or ±0.4% of reading, whichever is greater)
- Thermoelectric Power: ~60.0 µV/°C at 100°C (highest among common base-metal thermocouples)
- Operating Temperature Range: -270°C ~ 800°C (continuous use; optimized for cryogenic to mid-range industrial processes)
- Standards Compliance: IEC 60584-1, ASTM E230, GB/T 4989, RoHS 2.0
- Manufacturer: Huona (Shanghai) New Material Co., Ltd.
Key Differentiating Advantages
1. Industry-Leading Thermoelectric Sensitivity
Type E wire offers the highest Seebeck coefficient (~60 µV/°C) of any common base-metal thermocouple, delivering significantly stronger output signals than Type K, J, or T. This results in improved measurement resolution and noise immunity, making it ideal for low-temperature applications where small temperature changes need to be detected accurately.
2. Excellent Corrosion & Oxidation Resistance
The Chromel-Constantan pair exhibits superior resistance to corrosion in acidic, reducing, and marine environments compared to iron-based (Type J) or nickel-based (Type K) wires. It is also highly resistant to hydrogen embrittlement, making it suitable for chemical processing and cryogenic applications.
3. Robust Mechanical Durability for Continuous Use
The 1.6mm diameter provides a balanced combination of strength and flexibility, with high tensile strength (≥650 MPa) and resistance to thermal fatigue. It withstands repeated thermal cycling without cracking or deformation, ensuring long-term reliability in industrial process control systems.
4. Stable Performance Across Wide Temperature Ranges
Type E wire maintains consistent thermoelectric properties from cryogenic temperatures (-270°C) up to 800°C, with minimal drift or hysteresis. This versatility makes it suitable for applications ranging from liquid nitrogen storage tanks to industrial ovens.
5. Low Drift & High Accuracy for Precision Applications
Unlike Type J (which suffers from oxidation above 500°C) or Type K (prone to green rot above 800°C), Type E wire maintains stable readings up to 800°C with minimal drift. This makes it ideal for precision process control in pharmaceutical manufacturing, food processing, and semiconductor production.
Technical Specifications Table
| Attribute | Value (Typical) |
|---|---|
| Alloy Grade | EP (Chromel) / EN (Constantan) |
| Diameter | 1.6mm (±0.015mm) |
| Form | Coil |
| Accuracy Class | IEC Class 1 |
| Operating Temperature | -270°C ~ 800°C (continuous) |
| Tensile Strength | ≥650 MPa (EP), ≥450 MPa (EN) |
| Elongation | ≥20% (EP), ≥30% (EN) |
| Surface Finish | Dark, oxide-free finish (optimized for corrosion resistance) |
| Packaging | Moisture-proof, anti-oxidation coil packaging |
Typical Applications
- Chemical & Pharmaceutical Processing: Temperature monitoring in reactors, distillation columns, and sterilization equipment.
- Cryogenic Systems: Temperature sensing in liquid nitrogen storage tanks, cryogenic freezers, and low-temperature research labs.
- Food & Beverage Manufacturing: Process control in ovens, pasteurizers, and fermentation tanks.
- Semiconductor & Electronics: Thermal monitoring in manufacturing equipment and environmental test chambers.
- Marine & Offshore: Corrosion-resistant temperature sensing in shipboard equipment and offshore platforms.
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