SHIELDED TRIADS 屏蔽三芯組
Low Smoke Halogen-Free • Extremely Flexible • 0.6/1kV • Rated 90°C
低煙無鹵 • 極度柔軟 • 0.6/1kV額定電壓 • 90°C額定溫度
GEXOL®-331HF Instrumentation CableSHIELDED TRIADS 屏蔽三芯組
Low Smoke Halogen-Free • Extremely Flexible • 0.6/1kV • Rated 90°C
低煙無鹵 • 極度柔軟 • 0.6/1kV額定電壓 • 90°C額定溫度
📋 Product Overview 產品概述
Individually shielded three-conductor triads for precision instrumentation applications
The GEXOL®-331HF Shielded Triads Instrumentation Cable is specifically engineered for three-wire measurement systems in demanding offshore and marine environments worldwide. Unlike two-conductor pairs, each triad contains three conductors (Black-White-Red color coded) with a bare tinned drain wire, individually shielded with polyester-backed aluminum foil tape providing 100% coverage for superior electromagnetic interference (EMI) protection. The three-conductor design is essential for RTD (Resistance Temperature Detector) circuits requiring lead wire compensation, three-wire transmitter connections, and balanced instrumentation systems. Available in configurations from 1 to 8 triads in 16 AWG, this cable maintains circuit integrity during fire conditions while delivering exceptional signal accuracy for temperature measurement, process control, and critical safety instrumentation.
GEXOL®-331HF 屏蔽三芯組儀表電纜專為全球嚴苛的海洋和離岸環境中的三線制測量系統而設計。與雙導體對不同，每個三芯組包含三根導體（黑白紅色碼）和一根裸鍍錫引流線，每組獨立採用聚酯背襯鋁箔帶屏蔽，提供 100% 覆蓋率，實現卓越的電磁干擾（EMI）防護。三導體設計對於需要引線補償的 RTD（電阻溫度檢測器）電路、三線制變送器連接和平衡儀表系統至關重要。提供 16 AWG 的 1 至 8 組三芯配置，該電纜可在火災條件下保持電路完整性，同時為溫度測量、過程控制和關鍵安全儀表提供卓越的信號精度。
Triad Configuration 三芯組配置
100%鋁箔屏蔽
鍍錫引流線
🔄 Triads vs. Pairs Comparison 三芯組與雙芯組對比
Understanding the advantages of three-conductor triad design
The fundamental difference between triads and pairs lies in their conductor count and measurement capabilities. While shielded pairs contain two conductors ideal for simple 4-20mA loops and two-wire transmitters, shielded triads provide three conductors essential for more sophisticated measurement applications. The third conductor enables lead wire resistance compensation in RTD circuits, allowing accurate temperature measurement regardless of cable length. This is critical for three-wire PT100/PT1000 RTD sensors commonly used in offshore process control where measurement accuracy is paramount. Triads also support three-wire transmitter configurations and provide enhanced flexibility for complex instrumentation wiring.
三芯組與雙芯組的根本區別在於導體數量和測量能力。雙芯屏蔽對包含兩根導體，適合簡單的 4-20mA 回路和兩線制變送器，而屏蔽三芯組提供三根導體，對於更複雜的測量應用至關重要。第三根導體可在 RTD 電路中實現引線電阻補償，無論電纜長度如何都能實現精確的溫度測量。這對於離岸過程控制中常用的三線制 PT100/PT1000 RTD 傳感器至關重要，其中測量精度是首要考量。三芯組還支持三線制變送器配置，並為複雜的儀表佈線提供更大的靈活性。
使用三芯組的三線制 RTD 電路可補償引線電阻，即使在長電纜運行中也能提供 ±0.1°C 或更好的溫度測量精度。這對於離岸平台至關重要，其中儀表電纜可能從現場設備延伸到控制室數百米。
🛡️ Shielding System 屏蔽系統
Advanced electromagnetic interference protection for precision signals
🔒 Multi-Level Shielding Architecture 多層屏蔽架構
Twisted Triad Design 絞合三芯設計
Three conductors twisted together for EMI cancellation and crosstalk reduction.
三根導體絞合以消除EMI和減少串擾。
Individual Foil Shield 單獨箔屏蔽
Polyester-backed aluminum foil tape with 100% coverage on each triad.
每組採用聚酯背襯鋁箔帶，100%覆蓋。
Tinned Drain Wire 鍍錫引流線
Bare tinned copper drain wire for effective shield grounding.
裸鍍錫銅引流線實現有效屏蔽接地。
Triad-to-Triad Isolation 組間隔離
Complete isolation between triads for maximum noise immunity.
組間完全隔離，實現最大抗噪能力。
✅ Ratings & Approvals 認證與批准
International certifications ensuring global compliance and reliability
🔧 Cable Construction 電纜結構
Layer-by-layer breakdown of cable materials and specifications
Component Layers 組件層次
Each layer engineered to meet IEEE 1580 and IEC standards. 每層均按照 IEEE 1580 和 IEC 標準設計。
軟退火柔性絞合鍍錫銅
耐火帶 + 交聯聚烯烴 黑白紅
聚酯背襯鋁箔100%覆蓋+引流線
黑色低煙無鹵聚烯烴
編織絲鎧裝
黑色低煙無鹵阻燃聚烯烴
⚡ Electrical Parameters 電氣參數
Capacitance, inductance, and resistance specifications
📊 16 AWG (1.3 mm²) Triads Electrical Characteristics
📐 RTD Lead Wire Compensation Benefits 引線補償優勢
🔧 Technical Features 技術特點
Key performance characteristics and material specifications
🔥 Fire Performance 耐火性能
- Fire Resistant: IEC 60331 circuit integrity 電路完整性
- Flame Retardant: IEC 332-3 Category A 阻燃等級
- IEEE 1202: Vertical tray flame test 垂直托盤燃燒測試
- Low Smoke: Minimal smoke generation 最小煙霧產生
- Halogen-Free: Zero halogen content 零鹵素含量
❄️ Mechanical Properties 機械性能
- Flexibility: High strand count conductors 高股數導體
- Cold Bend: -40°C rating (CSA) 低溫彎曲性能
- Cold Impact: -35°C rating (CSA) 低溫衝擊性能
- Installation: Easier than IEC 60092-350 series 安裝更便捷
- Durability: Exceeds CSA cold requirements 超越CSA低溫要求
🛡️ Armor Options 鎧裝選項
- Type: Basket weave wire armor 編織絲鎧裝
- Standard: IEEE 1580 & UL 1309/CSA 245 標準
- Bronze: Standard configuration 青銅（標準配置）
- Aluminum: Available by request 鋁（可選）
- Tinned Copper: Available by request 鍍錫銅（可選）
⚠️ Hazardous Locations 危險區域
- Class I, Division 1: Armored & sheathed config. 鎧裝護套配置
- Class I, Zone 1: With armor and sheath 配合鎧裝和護套
- Class I, Division 2: Suitable applications 適用場合
- Class I, Zone 2: Suitable applications 適用場合
- Explosion Proof: EExd rated configurations EExd等級配置
📐 Shielded Triad Design 屏蔽三芯組設計
- Triads: 1 to 8 triads available 1至8組三芯可選
- Wire Gauge: 16 AWG (1.3 mm²) 線規
- Color Code: Black-White-Red per triad 每組黑白紅色碼
- Shield: 100% aluminum foil coverage 100%鋁箔覆蓋
- Drain Wire: Bare tinned copper 裸鍍錫銅引流線
🌡️ RTD Applications RTD應用
- 3-Wire RTD: Lead resistance compensation 引線電阻補償
- PT100: Standard platinum RTD 標準鉑RTD
- PT1000: High resistance RTD 高電阻RTD
- Accuracy: Enhanced measurement precision 增強測量精度
- Distance: Long cable run capability 長距離電纜能力
🎯 Applications 應用領域
Critical three-wire instrumentation circuits in demanding environments
GEXOL®-331HF Shielded Triads Instrumentation Cables are specifically designed for three-wire measurement systems in offshore facilities worldwide. The three-conductor triad configuration is essential for RTD temperature sensors using three-wire compensation, which eliminates lead wire resistance errors that would otherwise affect measurement accuracy. This cable should be deployed on any circuit dedicated to PT100/PT1000 RTD temperature measurement, three-wire transmitter connections, fire detection systems requiring temperature monitoring, emergency shutdown systems, and critical process instrumentation where measurement precision directly impacts safety and operational efficiency.
GEXOL®-331HF 屏蔽三芯組儀表電纜專為全球離岸設施的三線制測量系統設計。三導體三芯組配置對於使用三線補償的 RTD 溫度傳感器至關重要，可消除引線電阻誤差，否則會影響測量精度。該電纜應部署在任何專用於 PT100/PT1000 RTD 溫度測量、三線制變送器連接、需要溫度監測的火災偵測系統、緊急停機系統以及測量精度直接影響安全和運營效率的關鍵過程儀表的電路上。
3-Wire RTD Sensors 三線RTD傳感器
PT100/PT1000 with lead compensation.
帶引線補償的PT100/PT1000。
Process Temperature 過程溫度
High-accuracy temperature monitoring.
高精度溫度監測。
Fire Detection 火災偵測
Heat detector temperature circuits.
熱感探測器溫度電路。
Safety Systems 安全系統
ESD and critical shutdown circuits.
緊急停機和關鍵停機電路。
Offshore Platforms 離岸平台
Oil & gas process instrumentation.
石油和天然氣過程儀表。
Marine Vessels 船舶
Shipboard RTD and temperature systems.
船舶RTD和溫度系統。
📊 Technical Specifications 技術規格
Complete physical dimensions for all triad configurations
| Triads三芯組數 | Part No.零件編號 | Unarmored Dia.無鎧裝 (in) | Unarmored Wt.(lbs/MFt) | Armored (B) Dia.鎧裝 (in) | Armored (B) Wt.(lbs/MFt) | Sheathed (BS) Dia.護套 (in) | Sheathed (BS) Wt.(lbs/MFt) |
|---|---|---|---|---|---|---|---|
| 1 | 37-104-668 | 0.457 | 113 | 0.523 | 188 | 0.665 | 269 |
| 3 | 37-104-669 | 0.902 | 359 | 0.952 | 503 | 1.152 | 702 |
| 4 | 37-104-698 | 0.980 | 412 | 1.035 | 571 | 1.230 | 786 |
| 6 | 37-104-676 | 1.148 | 598 | 1.203 | 785 | 1.398 | 1050 |
| 7 | 37-104-670 | 1.152 | 649 | 1.203 | 836 | 1.403 | 1081 |
| 8 | 37-104-677 | 1.175 | 693 | 1.291 | 905 | 1.425 | 1235 |
電纜直徑為標稱值，受 ±5% 製造公差限制。每個三芯組包含三根導體（黑白紅），採用聚酯背襯鋁箔帶獨立屏蔽，提供 100% 覆蓋率，配備裸鍍錫引流線實現有效接地。三導體設計可實現 RTD 應用的引線補償，確保無論電纜長度如何都能獲得測量精度。
🔩 Hawke Gland Compatibility 電纜接頭兼容性
Recommended cable gland types for hazardous area installations
| Application 應用 | Area Classification 區域分類 | Unarmored 無鎧裝 | Armored & Sheathed 鎧裝護套 |
|---|---|---|---|
| Industrial & Safe Area (IP68) | General 一般區域 | 121 | 153-X |
| Increased Safety “EExe” | — | 501/421 | 501/453/U |
| Explosion Proof “EExd” | Class I, Div. 1 / Zone 1 & 2 | 710 | 753 |
| Flameproof | Zone 1 & 2 (≤2L enclosures) | 501/421 | 501/453/U |
| Flameproof | Zone 1 & 2 (>2L enclosures) | — | ICG 653/U |
🛒 Ordering Information 訂購信息
How to specify GEXOL®-331HF Shielded Triads Instrumentation Cables
Ordering Example: For an instrumentation cable, 0.6/1kV rated, #16 AWG with 4 triads, bronze armor and outer sheath, specify the cable using the format shown below. The triad configuration is ideal for three-wire RTD temperature measurement systems requiring lead wire compensation. Select the appropriate part number from the table based on the required number of triads. Contact our technical team for custom configurations or special requirements.
訂購示例：如需訂購 0.6/1kV 額定、#16 AWG、4 組三芯、帶青銅鎧裝和外護套的儀表電纜，請使用以下格式指定電纜。三芯組配置非常適合需要引線補償的三線制 RTD 溫度測量系統。根據所需三芯組數量從表格中選擇適當的零件編號。如需定制配置或特殊要求，請聯繫我們的技術團隊。
Format 格式：
AmerCable GEXOL-331HF + 37-104-698 + BS
Prefix: AmerCable GEXOL-331HF | Part No.: From table (triad count) | Armor: BS = armored & sheathed, B = armored only, Blank = unarmored
📦 Configuration Options 配置選項
- BS: Bronze armor with outer sheath 青銅鎧裝帶外護套
- B: Bronze basket weave armor only 僅青銅編織鎧裝
- Blank: Unarmored configuration 無鎧裝配置
- Tinned Cu: Armor available by request 鍍錫銅鎧裝按需提供
- Aluminum: Armor available by request 鋁鎧裝按需提供
📊 Available Configurations 可用配置
- 16 AWG: 1, 3, 4, 6, 7, 8 triads available
- Color Code: Black-White-Red per triad 每組黑白紅
- Shield: 100% aluminum foil per triad 每組100%鋁箔
- Drain Wire: Bare tinned copper 裸鍍錫銅引流線
📚 Authoritative References 權威參考資料
International standards and certification bodies for marine instrumentation cables
📖 International Standards 國際標準
- 1 IEEE 1580-2021 – Recommended Practice for Marine Cable for Use on Shipboard and Fixed or Floating Offshore Facilities. standards.ieee.org
- 2 IEC 60331 – Tests for electric cables under fire conditions – Circuit integrity. webstore.iec.ch
- 3 IEC 60751 – Industrial platinum resistance thermometers and platinum temperature sensors. webstore.iec.ch
- 4 IEC 60332-3 – Tests on electric cables under fire conditions – Vertical flame spread test. webstore.iec.ch
- 5 IEC 60092-350 – Electrical installations in ships – General construction and test methods. webstore.iec.ch
- 6 UL 1309 – Standard for Marine Shipboard Cable. ul.com
- 7 CSA C22.2 No. 245 – Thermoplastic-insulated wires and cables. csagroup.org
- 8 IEEE 1202 – Standard for Flame-Propagation Testing of Wire and Cable. standards.ieee.org
🏛️ Classification Societies 船級社
- A American Bureau of Shipping (ABS) – Type approval for marine cables. eagle.org
- B DNV GL – Det Norske Veritas Germanischer Lloyd classification. dnv.com
- C Lloyd’s Register – LRS certification for marine electrical equipment. lr.org
- D Transport Canada – Canadian maritime safety regulations. tc.canada.ca
