V-LIM
Safe: Protects people, systems, and environments with early detection of cable degradation.
Monitor: Continuous, high-precision IR monitoring up to 10 GΩ (V-LIM2).
Flexible Integration: Easy to retrofit or embed within new and existing systems.
Intuitive Control: Touchscreen LCD, configurable alarms, and USB data access.
V-LIFE Ready: Enables remote protection and insulation recovery when combined with V-LIFE.
Overview
Electrical insulation degrades over time due to harsh environments, moisture ingress, and electrical stress – raising safety risks and causing system instability. The V-LIM product range delivers highly accurate, condition monitoring with continuous measurements of insulation resistance, capacitance, and related parameters, providing a precise real-time view of system health. Using advanced digital signal processing and V-NET Sync technology, V-LIM ensures stability and reliability, even in electrically noisy environments. Compact, configurable, and easy to install, V-LIM supports flexible deployment across industries. Whether embedded, retrofitted, or used as a portable diagnostic unit, it enables proactive maintenance and early fault detection—extending system life and improving safety, and stability under both energised and de-energised conditions make it an ideal choice for safeguarding electrical networks across industries.Â
More about V-LIM features & technology
- The V-LIM range has been developed to deliver high-precision electrical monitoring for modern, mission-critical systems. Designed for total lifecycle visibility, V-LIM continuously tracks insulation resistance up to 10 GΩ (V-LIM2) to identify degradation trends long before faults occur. This empowers operators to take preventative action, reducing operational risk and costly unplanned repairs.
- Each device incorporates advanced digital signal processing (DSP) for accuracy, V-NET Sync to minimise electrical noise and crosstalk, and a touchscreen LCD interface for instant access to live and logged data. Configurable alarms and relays alert operators to changing system conditions, while USB and optional network connectivity make data export and remote support simple.
- When integrated with PlatformVi, data can be analysed across fleets or facilities, providing predictive insights and automated alerts. Fully V-LIFE Ready, V-LIM enables remote insulation recovery and enhanced protection in the event of degradation. Compact, robust, and adaptable, the V-LIM product range represents the next generation of intelligent electrical condition monitoring.
Choose the right V-LIM
V-LIM has evolved across generations to deliver greater accuracy, usability, and integration flexibility. Use the comparison below to identify the variant best suited to your system.
V-LIM2High-precision, panel-mounted insulation monitor with early warning, extended-range trending, and integrated power monitoring for complete ungrounded system visibility. Datasheet > |
V-LIMPanel-mounted insulation monitor delivering early warning and measurement trending of ungrounded power systems’ health. Datasheet > |
V-LIM DINCompact and easy-to-install DIN-rail insulation monitor offering early warning and measurement trending of ungrounded power systems’ health. Datasheet > |
V-LIM PortableRugged, portable insulation monitor for retrofit and temporary installations, providing early warning and measurement trending of ungrounded power systems’ health. Datasheet > |
|
IR Measurement Range Extended (1 kΩ – 10 GΩ) |
Standard (1 kΩ – 1 GΩ) |
Standard (1 kΩ – 1 GΩ) |
Standard (1 kΩ – 1 GΩ) |
|
Power Monitoring Capability Advanced |
Limited |
Limited |
Limited |
|
Interface Advanced |
Standard |
Standard |
Standard |
|
Installation Method Panel Mount |
Panel Mount |
DIN Rail Mount |
Rugged Portable Case |
|
Power Supply Options Wide-range AC/DC or 24 VDC |
Wide-range AC/DC or 24 VDC (by variant) |
24 VDC |
Wide-range AC/DC |
Monitor Smarter. Operate Safer. Perform Better.
Achieve continuous system insight with V-LIM’s intelligent condition monitoring.
Because monitoring isn’t just about data—it’s about preventing disruption and ensuring safety.
Resources
Find answers to common questions about the V-LIM product and its applications.
Brochures & Datasheets
V-LIM Datasheet
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White papers & Technical Papers
Copper Saving Study
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Subsea Case Studies
Upgrading Brownfields with V-LIM
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Our Solutions
Viper’s subsea oil & gas solutions
Viper’s technology was pioneered in the subsea oil & gas industry – where safety, uptime, and reliability are paramount. Electrical degradation doesn’t have to lead to downtime. By installing V-LIM or V-LIM2, operators gain continuous visibility of insulation health and the ability to activate V-LIFE, the world’s only intervention-free subsea electrical protection technology.Â
Together with PlatformVi, operators can assess real-time data trends, receive predictive alerts, and trigger remote insulation protection when required. These connected, intelligent systems eliminate the need for costly subsea intervention, ensuring operational safety and continuity.Â
Trusted by more than 40 global operators across 20+ countries, Viper’s subsea solutions—built around the principles of Safe, Monitor, Assess, Prevent, Protect, have been proven to extend the life of critical systems while reducing risk, cost, and environmental impact.Â
Case Study
V-LIM hardware enables V-LIFE protection
A global operator retrofitted V-LIM units to an ageing subsea control system to improve reliability and reduce unplanned outages. Continuous monitoring provided early warnings of insulation degradation, enabling proactive maintenance before failure occurred.Â
By combining V-LIM with remote V-LIFE activation, the operator avoided a costly subsea intervention and extended the asset’s service life – proving the technology’s value in demanding, high-integrity environments.Â
Applications
V-LIM technology can support any sector where electrical integrity matters
Solutions To Maximise Asset Life
Electrical Condition Monitoring
Real-time visibility of your electrical system’s health using V-LIM and V-SLIM technologies, detecting insulation degradation early to prevent costly downtime.
Protection for Electrical Systems
Our patented V-LIFE technology restores insulation resistance without intervention — extending cable life and maintaining reliable, safe operations.
Predictive Analytics for Protection & Performance
Data-driven insight through PlatformVi and the CableGuardian Portal, turning monitoring data into preventative action and predictive intelligence.
Detection & Location of Electrical Faults
Pinpoint accuracy with SSTDR technology — detecting and locating faults before they cause disruption, improving network reliability.