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Knick Interface LLC - Knick Interface Rail Newsletter

Rail systems are evolving fast, and modern control platforms require precise, real-time speed data. Our latest rail newsletter highlights how the Knick P16800 Speed Signal Duplicator helps integrate systems like CBTC, PTC, and ETCS without adding sensors or modifying bogie assemblies.

Take a look to learn more about the application and our current free trial offer. (read more)

Knick Interface LLC - Fast, Accurate Feedback for Energy Storage Control

Key Facts -

Sector: Energy Storage

Application: Control and feedback loops for charge/discharge events (read more)

Knick Interface LLC - Simplify Rail Car Projects - P16800 Free Trial

Reduce complexity. Cut cost. Simplify speed signal duplication

The P16800 allows you to access speed sensor signals without adding extra sensors to the train — minimizing hardware, installation time, and potential failure points.
This is accomplished by duplicating the speed signal and replicating it through a SIL rated tran... (read more)

Knick Interface LLC - P16800 Speed Signal Duplicator - Rail Car Solution

Modern rail projects keep adding systems — but speed sensors don’t need to multiply to keep up.
Installed directly in the control cabinet, the P16800 helps rail OEMs, integrators, and train operators:
- Maintain functional safety
- Simplify architectures
- Save on project cost (read more)

Knick Interface LLC - Measurements for Energy Storage Control Systems

In modern energy storage systems, the control loop is only as good as the measurement feeding it. Whether balancing loads, managing peak shaving, or stabilizing grid response, engineering professionals depend on accurate, isolated, and fast electrical feedback to keep systems performing safely and efficiently.

Knick’s P40000 series transducers are built specifically for thes... (read more)

Knick Interface LLC - Speed-to-Power Solutions for Modern Data Centers

Supporting Speed-to-Power Initiatives in Data Centers As data centers race to keep up with the exponential growth of AI and digital infrastructure, one idea has taken center stage: Speed-to-Power. Getting facilities energized and operational now demands solutions that eliminate bottlenecks, simplify integration, and deliver trusted performance from day one.

Knick Interface... (read more)

Knick Interface LLC - The Power Behind Data AI & Data Centers

The Power Behind Data AI & Data Centers: Real Data, Real Time, Real Results

Artificial intelligence demands massive amounts of power to train and operate, driving data centers to become both the source and solution of its optimization. As AI pushes the limit of energy consumption, operators are now using that same intelligence to improve how electrical power is generate... (read more)

Knick Interface LLC - Functionally Safe High Voltage Measurements

Functionally safe measurement of high voltages in industrial applications

Whether electromobility or energy storage – being able to measure high direct current voltages in a functionally safe manner and connect to safety-oriented controllers are in demand. Knick has developed the P45000 high voltage transducer for this purpose. This can be used in numerous... (read more)

Knick Interface LLC - Knick Special Product: P27000 for shunt simulation

Part #: P27000H1-S034

Special Feature: Conversion of 0...10 V input to 0...250 mV output

Other Information: Continuous isolation to 1000 V

Application Example: Emulation of shunt resistor in Power Hardware in the Loop (PHIL) testing systems (read more)

Knick Interface LLC - High Voltage Cables for Transducers

Introducing the ZU1475 HV Signal Cable: High-voltage connection cable for transducers

The ZU1475 is a rugged, high-isolation signal cable designed to safely connect primary high-voltage circuits to Knick transducers, especially those in the high voltage range. Engineered for demanding industrial and railway environments, it delivers reliable performance even under harsh con... (read more)

Knick Interface LLC - Ensuring Safety with Discrete Signal Duplication

Ensuring Safety with Discrete Signal Duplication in Hydrogen Applications

In safety-critical hydrogen environments, discrete binary signals like door lock status, emergency stop commands, or interlock activations must be transmitted reliably and without interference. The P16800 Safety Signal Doubler is a solution for duplicating discrete signals in functionally safe (SIL) e... (read more)

Knick Interface LLC - Application Note - H2 Stack/String Monitoring

Precise Voltage, Current, and Temperature Monitoring in Electrolyzer and Fuel Cell Systems

This hydrogen system monitoring application focuses on precise voltage, current, and temperature measurements in electrolyzer and fuel cell stacks and strings. These parameters are essential for ensuring safe, efficient hydrogen production and its reliable conversion into electrical e... (read more)

Knick Interface LLC - Knick Interface E-Newsletter June 2025

Check out the latest newsletter from Knick Interface highlighting new innovations and updates, including:
- Launch of the P45000 SIL 2 (SIL 3 capable) High Voltage Transducer designed for high-isolation applications up to 4800 VDC where safety and precision are essential.
- Application focus on DC voltage monitoring in energy systems, including electrolyzers, fuel cells, and ot... (read more)

Knick Interface LLC - P45000 SIL Rated Voltage Transducer

Measure with Confidence. Isolate with Certainty.

When you're dealing with high-voltage DC systems, safety and precision can't be optional. The P45000 from Knick delivers:

  • SIL 2 certified (SIL 3 redundant)
  • Continuous isolation up to 4.8 kV
  • Measurement up to 3 kV DC
  • Designed for demanding industrial and control environments
(read more)
Knick Interface LLC - Safety & Precision in Hydrogen Monitoring Systems

Knick Interface delivers SIL-rated voltage transducers and monitoring devices engineered for demanding applications like those seen within hydrogen electrolyzer and fuel cell systems. Precise measurement of stack and string-level voltage, current, and temperature is safely achievable with Knick hardware - critical parameters for evaluating system health and anticipating fault conditions.... (read more)

Knick Interface LLC - Knick Interface P16800 - Speed Signal Duplicator

Discover how the P16800 speed signal duplicator from Knick Interface simplifies integration of modern train control systems like CBTC, Passenger Information Systems (PIS), brake control, and more, without the need to install additional speed sensors.

This SIL-rated device duplicates existing speed sensor signals, supports Direction of Travel (DoT), and offers frequency division fo... (read more)

Knick Interface LLC - P41000AG - Nominal and Overcurrent Monitoring

Knick Interface P41000AG Adaptive Gain Current Transducer: One Device for Two Critical Jobs

In high power electrical systems, overcurrent events aren't just an inconvenience, they are a costly risk to both equipment and personnel. Protection relays, high-speed circuit breakers, and other critical infrastructure components are constantly being stressed by both routine loads... (read more)

Knick Interface LLC - Knick Interface - Railway Industry Measurements

From rolling stock to DC traction power supplies, Knick Interface provides high precision electrical measurement solutions designed to meet the demanding requirements of the railway industry. With a strong track record of safety, reliability, and efficiency, our technology supports critical applications across the rail sector.

Knick Interface offers solutions for voltage and curre... (read more)

Knick Interface LLC - Knick Special Product - P42000 Increased Accuracy

Part #: P42100D3-S010

Special Feature(s): Gain Error Reduced from 0.3% to 0.15%

Other Information: Continuous Isolation to 3600 V

Application Example: Precision DC Power Measurement (read more)

Knick Interface LLC - Knick Interface P40000 High Voltage Transducers

Knick Interface highlights a staple in the product catalogue for voltage and current measurements by way of the P40000 series transducers. These devices uphold Knick's quality, defined as: Accuracy, Safety, Speed, and Ease of Use.

The P41000 current transducer allows for current measurements by way of mV readings when combined with a shunt. This device packs up to a 3600 V of work... (read more)

Knick Interface LLC - Knick Special Product - P52000VPD ± 3 V Threshold

Part #: P52000K11-MS0012R/00

Special Feature(s): Voltage Presence Detection down to ± 3 V

Other Information: Continuous Isolation to 2000 V & Reinforced Isolation to 1000 V

Application Example: Protection of High-Votlage Plant Areas & Detection of Residual Battery Charge (read more)

Knick Interface LLC - Enhanced Flexibility with Knick Special Products

Part #: P27000H1-S033

Special Feature(s): Measurement down to 10 μA and up to 1 A. Standard output of 0…10 VDC

Other Information: Continuous isolation to 1000 VDC

Application Example: Evaluation of semiconductor leakage test currents (read more)

Knick Interface LLC - Enhance DAQ's with Knick Interface High Isolation

Enhancing Data Acquisition Systems with High Voltage Isolation: Knick’s Front-End Advantage

Modern industries rely heavily on data acquisition systems (DAQs) to monitor, log, and analyze system performance. However, the inability to directly manage high voltage signals is a common challenge that arises when interfacing DAQs with high voltage equipment. This is due to... (read more)

Knick Interface LLC - Understanding Isolation in Electrical Systems

Introduction

Electrical isolation is a critical concept in electrical system design, ensuring both the safety of personnel and the protection of equipment. This is especially important in high-voltage systems, where precise measurement devices prevent failures. At Knick Interface, we engineer solutions tailored to the unique isolation needs of various applications. Careful... (read more)

Knick Interface LLC - Ensure Safety with High Voltage Presence Detectors

Voltage Presence Detectors: Ensuring Safety in High Voltage Test Cells

In today’s era of rapid electrification and advanced manufacturing, safeguarding personnel working around high-voltage systems is more crucial than ever. With plant floor and factory-side test cells operating at potentially dangerous voltages, a reliable system for detecting voltage levels and sign... (read more)

Knick Interface LLC - Knick HV Transducers: Battery Cycling Precision

Knick High Voltage Transducers: Powering Precision in Battery Cycling Applications

In the rapidly advancing fields of energy storage and electric vehicles, battery cycling is a critical process that requires precise measurement and control. During battery tests, the charging and discharging cycles—mirroring real-world use profiles—are meticulously simulated to e... (read more)

Knick Interface LLC - Elevate Power Hardware in the Loop Applications

Elevate Power Hardware in the Loop Applications with Knick Solutions

In the evolving landscape of product development, particularly within electromobility, Power Hardware in the Loop (P-HIL) testing is revolutionizing how we evaluate high-voltage components. As testing requirements escalate, today’s standards demand continuous isolation more than 1000 V DC, often at b... (read more)

Knick Interface LLC - Versatile & Precise - P27000 Signal Conditioner

Unlock Versatility and Precision with Knick’s P27000 Signal Conditioner

In today’s fast-paced industrial landscape, precision and adaptability in signal conditioning are crucial. The Knick P27000 signal conditioner excels on both fronts, offering an impressive range of 480 different input possibilities, all configurable via DIP switches. This makes it an essenti... (read more)

Knick Interface LLC - Essential Isolation for Fuel Cells & Electrolyzers

Why Isolation Up to the Stack and String Levels is Essential for Fuel Cells and Electrolyzers

When monitoring and measuring fuel cells and electrolyzers, proper isolation is not just a technical detail—it's essential for safety, accuracy, and equipment longevity. Think of it like exploring the ocean depths—while you might be focused on a small area, you need to... (read more)

Knick Interface LLC - Enhancing Battery Management System (BMS) Testing

Within electric vehicles, the lifespan of a battery hinges on the effectiveness of the battery management system (BMS). Monitoring parameters such as charge/discharge voltage, current, and temperature in each individual cell is crucial. Effective testing of BMS performance before installation is critical, and the P41000 high voltage transducer from Knick Interface is a vital tool in the... (read more)

Knick Interface LLC - Safety and Reliability in Rail Traction Power

Within rail traction power systems, safety, reliability, and high-end performance are paramount. Knick Interface recognizes these critical needs and offers the P42000 series, a high voltage transducer that sets the standard for rail traction power applications. (read more)

Knick Interface LLC - Uncompromised Range in TRMS Voltage Measurement

The next step up in measurable range for the TRMS line of voltage transducers from Knick: P42000 TRMS reliably isolates and measures voltages up to ±3600VAC.

https://www.knick-international.com/en/products/interface-technology/proline/ac-dc-transducers/varitrans-p-42000-trms/

Knick Interface P42000 TRMS devices are available for any... (read more)

Knick Interface LLC - Universal Transmitter for Resistance Applications

The Knick A20230 provides connection possibilities for all standard potentiometers for angle, position determination, path measurement, or setpoint specification. Any special measuring task can be addressed with customer specific versions of A20230 in the same 6 mm housing.

https://www.knick-international.com/en/products/interface-technology/proline/res... (read more)

Knick Interface LLC - Achieving True TRMS Values with Galvanic Isolation

Due to the unpredictable nature of sinusoids, referencing peak voltages for system interaction could prove to be problematic, if the waves themselves are not perfect RMS values of sinusoidal voltages are used to ensure a clear parameter that can be used reliably in a control system. The necessity of having a true RMS voltage value from the sensor can make all the difference. Enter: the K... (read more)

Knick Interface LLC - Compact/Quick/Reliable - Knick Interface's A26000

The A26000 from Knick Interface was made specifically for precise conversion and galvanic isolation of bipolar signals.
This is Knick Interface's tailor-made, quick and simple solution for bipolar standard signal conditioning.
https://www.knick-international.com/en/products/interface-technology/proline/universal-isolated-signal-conditioners/v... (read more)

Knick Interface LLC - Clear signals needed for Hydro Power Generation

Accurate balancing and management of system parameters, done either digitally (via SCADA) or with analog system controls, can only be carried out when sensor signals are received properly. Assuring the integrity of these signals within the severe conditions of large power generation systems, like hydroelectric dams, requires that sensor output information be protected from any exterior n... (read more)

Knick Interface LLC - Overload-protected current measurement in HV cases

The P51000 offers safe, overload-protected, current measurement via shunt resistor from amps to kiloamps with up to 10 switchable calibrated ranges.
It adds another strong point to the entire lineup of High Voltage Transducers from Knick.

https://www.knick-international.com/en/products/interface-technology/proline/high-voltage-transducers/pr... (read more)

Knick Interface LLC - Temperature transmitter couples with any sensor

A transmitter for temperature measurement, the P32100 plays a key role in offering universal usability for all known temperature sensors.
Whether it's paired with resistance thermometers or thermocouples, its 6-mm housing with infrared interface and SIL approval make it the reliable and safe option
for any temperature sensing application.
These can be flexibly adapted to t... (read more)

Knick Interface LLC - Signal Clarity in Wind Turbine Applications

As wind energy production methods progress and become more established, the need to capture, monitor, and control the input and output data of these systems continues to increase accordingly.

https://www.knick-international.com/en/products/interface-technology/proline/

Sensors and measurement devices throughout wind turbine power systems are the answer... (read more)

Knick Interface LLC - Current Measurement in High Voltage Environments

The P43000 family's capability is a result of Knick's robust construction and thorough manufacturing techniques.

The High Voltage Transducer provides true transformer-based galvanic isolation, direct measurement of bipolar input currents ±5A, working voltage/continuous isolation up to 3600V AC/DC, and custom-adjustable configurations.

https://www.knick-interna... (read more)

Knick Interface LLC - Condition Monitoring of High-Voltage Motors

Having an active predictive maintenance campaign in place for large rotating equipment can be a key strategy for maximizing process uptime. With the advent of Industry 4.0, condition monitoring programs that employ the collection and analysis of temperature and vibration data have become more and more widespread across a number of industries.

Some of this rotating equipment, such... (read more)

Knick Interface LLC - 4800VDC High-Voltage Transducer-Industry Benchmark

Knick’s P52000 series of transducers set an industry benchmark with measurement and isolation capability to 4800 VDC in a smartly designed housing. For applications where no compromises can be made with accuracy, speed, safety, and overall quality. (read more)

Knick Interface LLC - DC measurement for energy storage: to 2000 VDC

Energy storage with battery and hydrogen technology is critical for growth and continuous development of some important industries, such as vehicle electrification and renewable energy. Knick's P42000D2 assists with DC voltage measurement to 2000 VDC for critical applications. (read more)

Knick Interface LLC - High-Voltage DC Current Transducer - Up to 20 kA

For accurate measurement of currents up to 20 kA in high voltage environments to 3600 V AC/DC, the P41000 series by Knick delivers performance… the perfect application solution when no compromises can be made with accuracy, safety, speed, and flexibility. (read more)

Knick Interface LLC - High isolation transducers in the railway industry

High isolation transducers for voltage, current and speed signals in the railway industry

Knick Interface is pleased to announce the launch of our 2023 Rail Industry Solutions Guide. It contains electrical measurement products and associated applications seen within the Rail Industry, for both Traction Power Infrastructure and Rolling Stock. Highlighted... (read more)

Knick Interface LLC - 2000 VDC High-Voltage Transducer - Compact Design

Coming in at a width of only 45mm, the P42000D2 represents a new benchmark for DC voltage measurement and isolation at the 2000 volt level. In addition to a small footprint, the P42000D2 also ensures a high level of performance with attention paid to accuracy, safety, speed, and flexibility. (read more)

Knick Interface LLC - Isolated Resistance Transmitter for High Voltage

Pt100 Resistance Thermometers in high voltage environments need to be isolated in order to maintain proper function of temperature measurement. These thermometers can be insulated against high voltage. In practice, however, the available installation space is often too small. P44000 from Knick Interface brings a convenient and safe option for isolation in these scenarios.

https://... (read more)

Knick Interface LLC - Solid price-to-performance for measuring ±500VDC

Short circuit recognition, motor monitoring and control, DC-link voltage recognition or battery current/voltages.

Designed to measure currents and voltages in applications with up to 500 V, the BL590 from Knick Interface brings a palatable price point to more cost sensitive projects. It does this without sacrificing safety or device longevity.

Facts
– Calibrated... (read more)

Knick Interface LLC - A20220 - A Strain Gauge Sensor Transmitter

The universal A20220 strain gauge transmitter provides connection possibilities for all standard strain gauge force transducers and strain gauge load cells in full bridge configuration.

https://www.knick-international.com/en/products/interface-technology/proline/

The Knick Interface A 20200 Family of Temperature, Resistance, and Strain Gauge Transmitter... (read more)