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April 2026 is not just another milestone—it marks the moment when industrial instrumentation shifts from experimentation to execution.For years, the...
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جهاز إرسال الجهد 4-20 مللي أمبير DIN للسكك الحديدية DIN عازل إشارة القضبان
Instrava Curated Instruments — Precision Signal Isolation for Reliable Process Control
At Instrava, we go beyond simply supplying instruments. Through our Curated Instruments approach, every 4–20mA voltage transmitter is carefully selected from trusted manufacturers to ensure superior accuracy, stable performance, and long-term reliability.
Designed for industrial automation and process control, this DIN rail 4–20mA signal isolator transmitter converts and isolates analog current signals with exceptional precision. It supports two-wire, three-wire, and four-wire transmitters, making it an ideal solution for signal isolation, signal conversion, and interference suppression in demanding industrial environments.
مع Optimized Solutions philosophy, we help customers deploy high-performance signal conditioning solutions that improve system stability, enhance measurement integrity, and ensure reliable control.
Power Monitoring & Control Description
High-Accuracy 4–20mA Signal Isolation and Conversion
هذا 4–20mA voltage transmitter provides one input and one output, converting standard 4–20mA current signals into isolated 4–20mA output signals with complete galvanic isolation.
Key Features & Benefits
- Universal Input Compatibility
يدعم:- Two-wire transmitters
- Three-wire transmitters
- Four-wire current source signals
- High Precision Performance
Delivers ±0.1% full-scale accuracy for highly reliable signal transmission. - Excellent Linearity and Stability
Ensures accurate signal reproduction over the entire measurement range. - Low Temperature Drift
Typical drift of ≤0.005% F.S./°C for consistent long-term performance. - وقت الاستجابة السريعة
Less than 20ms (0–90%) for rapid signal processing.
التطبيقات النموذجية
- PLC analog input isolation
- DCS signal conditioning
- Process control systems
- Industrial automation
- Sensor signal isolation
- Field transmitter interface
Triple Isolation Protection for Industrial Reliability
هذا DIN rail 4–20mA isolator transmitter is engineered for maximum safety, signal integrity, and immunity to electrical interference.
Advanced Performance Highlights
- Three-Port Galvanic Isolation
Complete isolation between:- Input
- المخرجات
- مزود الطاقة
- High Dielectric Strength
Withstands 2500VAC for 1 minute between all isolated ports. - Excellent Insulation Resistance
Greater than 100MΩ between input, output, and power supply. - Strong EMC Performance
Compliant with GB/T 18268.1 (IEC 61326-1) for industrial electromagnetic compatibility. - Wide Supply Voltage Range
Operates reliably from DC 18–36V (nominal 24VDC).
Installation Advantages
- Standard 35mm DIN rail mounting
- Compact footprint for control cabinets
- Easy integration into existing automation systems
Power Monitoring & Control Parameter
| المعلمة | المواصفات |
|---|---|
| Input Signal | 4-20 مللي أمبير |
| إشارة الإخراج | 4-20 مللي أمبير |
| Input Compatibility | 2-wire, 3-wire, 4-wire transmitters |
| جهد الإمداد | DC 24V (Range: DC 18–36V) |
| Distribution Voltage | ≥21VDC |
| Distribution Current | ≤30mA |
| معاوقة الإدخال | ≤50Ω |
| Output Load Resistance | ≤500Ω |
| Current Consumption | ≤50mA |
| الدقة | ±0.1% F.S. |
| انجراف درجة الحرارة | ≤0.005% F.S./°C |
| وقت الاستجابة | <20ms |
| Isolation Voltage | 2500VAC / 1min |
| Insulation Resistance | >100MΩ |
| درجة حرارة التشغيل | -20°C to +55°C |
| درجة حرارة التخزين | -40°C to +80°C |
| الرطوبة النسبية | 10%–90% RH |
| معيار EMC | GB/T 18268.1 (IEC 61326-1) |
| التركيب | 35mm DIN Rail |
إنسترافا OEM/ODM
أدوات موثوقة. حلول تناسب تطبيقك.
تركز إنسترافا على تقديم حلول صناعية موثوقة من خلال المنتجات المنتقاة بعناية والتحسين القائم على التطبيقات والتخصيص المرن. نختار الأدوات التي أثبتت كفاءتها من الشركات المصنعة الموثوق بها لضمان جودة متسقة، ونعمل على تحسين الحلول بناءً على ظروف العمل الحقيقية لحل التحديات العملية، ونوفر تكوينات مصممة خصيصًا لتلبية احتياجات التطبيقات المحددة.
تساعد Instrava العملاء على تقليل المخاطر وتحسين الكفاءة وتحقيق نتائج يمكن الاعتماد عليها في البيئات الصناعية المعقدة من خلال الجمع بين الخبرة في الاختيار وفهم التطبيقات.
What is an industrial voltage signal transmitter and how does it work?
An industrial voltage signal transmitter measures electrical voltage and converts it into a standardized 4–20mA output signal for monitoring and control systems.
The device typically includes signal conditioning and isolation circuits to ensure accurate, stable transmission, even in electrically noisy industrial environments.
Why choose a DIN rail isolated voltage transmitter?
DIN rail mounting allows easy installation inside control panels, while electrical isolation protects both the transmitter and connected systems from voltage spikes, ground loops, and interference.
This combination ensures safer operation, improved signal integrity, and long-term reliability in industrial and data center applications.
What are the advantages of 4–20mA output in industrial voltage transmitters?
The 4–20mA signal is widely used because it offers:
- High immunity to electrical noise
- Accurate signal transmission over long distances
- Easy fault detection (0mA indicates a wiring issue)
- Compatibility with PLC, DCS, and SCADA systems
These features make it ideal for critical monitoring environments.
Where are industrial voltage signal transmitters commonly used?
تُستخدم على نطاق واسع في:
- Industrial automation and manufacturing systems
- Power distribution panels and substations
- Data center power monitoring systems
- Building energy management systems (BMS)
They provide reliable voltage data for real-time monitoring, control, and optimization.
How does isolation improve the performance of a voltage transmitter?
Isolation separates the input, output, and power circuits, preventing electrical interference and protecting against high voltage surges.
This reduces measurement errors, enhances safety, and ensures stable operation in complex electrical systems with multiple grounding points.
What factors should be considered when selecting an industrial voltage transmitter?
Important selection criteria include:
- Input voltage range (e.g., AC or DC levels)
- Output type (4–20mA for industrial compatibility)
- Isolation level and protection features
- Mounting method (DIN rail for panel integration)
- Accuracy, response time, and environmental ratings
Choosing the right transmitter ensures reliable measurement and seamless integration into your monitoring system.
لماذا تختار إنسترافا
مبني على الاتساق وليس على الادعاءات
التركيز على التطبيقات الصناعية
نحن متخصصون في التحليل والكشف الصناعي، مع فهم واضح لبيئات ومتطلبات التشغيل في العالم الحقيقي.
معايير اختيار المنتج الصارمة
يتم تقييم كل أداة على أساس الأداء والثبات وملاءمة التطبيق - وليس فقط المواصفات أو الأسعار.
توريد موثوق به واتساق الجودة
نحن نعمل مع مصنعين موثوق بهم لضمان استقرار الإمدادات، والجودة الثابتة، والتسليم الموثوق به.
الدعم العملي القائم على الخبرة
ترتكز توصياتنا على فهم التطبيق، مما يساعد العملاء على تجنب المشكلات الشائعة وتحقيق نتائج موثوقة.
تم تصميم إنسترافا لتقليل عدم اليقين - بحيث يكون كل قرار تتخذه أكثر وضوحًا وأمانًا وموثوقية.
