Products Description
Shielded instrumentation cable is a special industrial signal cable. It is mainly used to connect sensors, transmitters and control systems such as PLC and DCS.
The built-in shielding layer effectively resists external electromagnetic interference, ensures stable and accurate signal transmission. It is widely applied in industrial automation, chemical, power and other complex working environments.
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Rated Voltage |
300/500V |
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Conductor |
0.5mm², 0.75mm², 1.0mm², 1.5mm² |
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Temperature Range |
-20℃ ~ +80℃ |
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Standards |
IEC 60227, IEC 61034 |
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Core structure |
multi-pair, multi-core |
Application
Certificate
ISO Quality Management System Certificate
Verification to IEC 60227-5:2024,
EN IEC 61000-6-1:2019, EN IEC 61000-6-3:2021
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1.Construction |
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S/N |
Construction |
Requirement |
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1 |
Conductor |
2 Class 2 copper conductor |
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2 |
Insulation |
XLPE |
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3 |
Overall shield |
+ Copper-plastic composite tape + drain wire |
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4 |
Isolation |
PVC |
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5 |
Armor |
Galvanized steel wire armor |
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6 |
Sheath |
Rodent and ant proof, Flame Retardant PVC |
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2. Cable identification Core identification: Single twisted pair: Red, White Multiple twisted pairs: Red, White + number code Sheath color: Black 3. Standard compliance GB/T 34016-2017, IEC 60332-3-22, TICW/06-2009, Q/WHY 09 |
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4.Application |
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S/N |
Item |
Technical requirement |
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1 |
Rated voltage |
AC 300/500V |
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2 |
Operating temperature |
'-15~90℃ |
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S/N |
No. of cores × sectional area |
Structure of conductor |
Approx. dia. of conductor |
Nominal thk. of insulation |
Nominal thk.of sheath |
Approx. OD of cable |
Approx. weight of cable |
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no.× sqmm |
no./mm |
mm |
mm |
mm |
mm |
kg/km |
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1 |
1×2×2.5 |
7/0.68 |
2.0 |
0.6 |
1.1 |
12.1 |
279 |
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2 |
5×2×2.5 |
7/0.68 |
2.0 |
0.6 |
1.4 |
24.2 |
1169 |
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5. Electrical characteristics |
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S/N |
No. of cores × sectional area × |
Max. DC resistance of conductor@20℃ |
Voltage withstand test |
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no.× sqmm |
Ω/km |
kV/min,no breakdown |
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1 |
1×2×2.5 |
7.41 |
1/1 |
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2 |
5×2×2.5 |
7.41 |
1/1 |
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Huayu Shielded Instrumentation Cable Benefit
- 70dB+ shielding effectiveness, resists EMI from motors and power equipment
- Capacitance ≤200pF/100m, stable 4-20mA signal up to 800m
- Class 5 tinned copper, supports RS485 transmission up to 1200m
- Over 55dB crosstalk suppression for multi-pair signal separation
- Insulation resistance ≥5000MΩ·km, low signal leakage for long-term use
- Operates -20℃~+80℃, flame-retardant & LSZH options available
- Full-batch testing before delivery for consistent signal performance
FAQs
1.When should I consider shielded instrumentation cable?
Pick shielded version if cables run close to power cables, motors or VFD equipment. The shield helps avoid signal interference for 4-20mA, RS485 instrument loops.
2.What is the difference between overall shield and individual pair shield?
Overall shield covers the whole cable, cost-effective for general sites. Individual pair shield gives better crosstalk reduction, used for multi-pair high-precision signal wiring.
3.What is the maximum transmission distance for instrumentation cable?
For 4-20mA analog signal, stable run up to 800m; for RS485 communication, max reach 1200m under proper installation conditions.
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