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Electrical Measurement Experts in North America

Electrical measurement and signal conversion solutions offered by Knick Interface bring true CONTROL to applications across a wide range of industries. With solutions engineered for measurement and safe isolation of voltages upwards of 4800 V, we truly are a high-voltage problem solver… no compromises are made with accuracy, safety, speed of response, and flexibility.

With sales and service operations in California and products shipping out of Ohio, we strive to bring value to our diverse North American customer base. Application know-how, attention to detail, strong support, and legitimate caring for our customers’ success are our primary areas of focus.

Get in touch with us

Steve Allard - your contact for Knick Interface

Steve Allard

General Manager  
[email protected]  
+1 714 299-9941  
Linkedin

Elyse Richardson - your contact for Knick Interface

Elyse Richardson

Office Manager
[email protected]  
+1 888 625-6425  
Linkedin

Jonathan Smith - your contact for Knick Interface

Jonathan Smith

Regional Sales Manager
[email protected]  
+1 803 848-1905  
Linkedin

CJ Kompare - your contact for Knick Interface

CJ Kompare

Applications Engineer  
[email protected]  
+1 708 305-0725  
Linkedin

Meet us

Data Center World 2026
20.
Apr

Data Center World 2026

4/20/26, 8:00 AM - 4/23/26, 4:00 PM
Walter E. Washington Convention Center | Washington, D.C., USA
Visit Knick Interface at the show, booth #1670!
Data Center Expo 2026
18.
May

Data Center Expo 2026

5/18/26, 9:30 AM - 5/19/26, 5:30 PM
San Jose McEnery Convention Center, CA | USA
Visit us at the show at booth #316!
TRACCS RailDay
17.
Jun

TRACCS RailDay

6/17/26, 9:00 AM - 6/18/26, 5:00 PM
The International Centre, Mississauga 6900 Airport Rd, Mississauga, ON L4V 1E8 | Canada
Visit us at the show at booth #212!
APTA TRANSform & Expo
04.
Oct

APTA TRANSform & Expo

10/4/26, 9:00 AM - 10/7/26, 5:00 PM
McCormick Place 2301 S Martin Luther King Dr 60616 Chicago | USA
Visit us at booth #3864!
The Battery Show North America
12.
Oct

The Battery Show North America

10/12/26, 9:30 AM - 10/15/26, 4:30 PM
Huntington Place Detroit, MI | USA
Visit us at booth #6504!

Current topics

The videos below offer insights into electrical measurement solutions by Knick Interface. They show how precise and reliable measurements are achieved in high voltage environments across a wide range of applications, from power electronics and railway systems to hydrogen technologies and safety critical industrial and test setups. Select the topic that best matches your objectives.


P16800 – Speed Signal Doubler/Converter

The P16800 speed signal doubler enables speed signals to be doubled. The video explains the use of the P16800 and the retrofit of rolling stock.


Electrical Measurements for the Railway Industry

Electrical measurement solutions for use in the railway industry must withstand extreme conditions. In this video, Knick Interface presents measurement technology that ensures safety, reliability, and compliance with standards for rolling stock and railway infrastructure.

Introduction to railway solutions


Stack and String Monitoring for Hydrogen Applications

Precise monitoring of voltage and current is essential in hydrogen applications. The video presents solutions for stack and string monitoring that increase safety and efficiency in fuel cell and electrolyzer systems.

Overview of solutions for stack and string monitoring


Knick Interface P40000 Series – Transducers for voltage and current

The P40000 series enables precise voltage and current measurements for applications with high voltage. Important features such as accuracy, isolation, and versatility when used in the use of modern electrical systems are explained.

Overview of key data for the P40000 series transducers


Knick Interface & Rexgear – Joint Webinar

In this webinar recording, Knick Interface and Rexgear, Inc. discuss practical applications for high voltage DC testing such as PHIL testing and battery cycling. The recording offers expert insights into challenges and proven measurement concepts for modern test systems.

Recording of the webinar hosted by Rexgear, Inc. and Knick Interface


P45000 – SIL-certified transducer

The P45000 is a SIL-certified transducer with a special enclosure type that was developed for safety-critical applications. The video explains the role of the safety integrity level (SIL) and shows how functional safety is supported.

Overview of the P45000


The importance of insulation in Knick signal conditioners

Galvanic isolation is a crucial factor for safety and measurement quality in high-voltage systems. The video explains why isolation is so important and how Knick consistently implements it.

Importance of isolation in systems with high voltage
Product Overview


Overview of all product solutions
Energy Brochure


Overview of energy-specific applications and product solutions

Product solutions

High Voltage Transducers
Current, voltage, and temperature measurement with high insulation; high-precision measurement for billing DC energy; detection of applied voltages
Isolated Signal Conditioners
Active and passive signal conditioners for current and voltage measurement, standard signal conditioning, and supplying 2-wire sensors and repeater power supplies with average insulation.
Sensor Transmitters
Measurement of speed, temperature, strain, force, resistance, shunt voltages, and threshold value monitoring with low isolation.
Signal Multipliers
Doublers, converters, and conditioners of speed sensor signals with high EMC, doublers and quadruplers of standard signals.
Railway Transducers
Transducers for high voltage and current measurement in railway applications.
Indicators
Loop-powered digital indicators for panel mounting or in a separate housing.

Brochures
P42000D2 - Control to 2200 Volts
Electrical Measurement up to 4800 V
Electrical Measurement for Battery Applications
Railway Industry


Overview of railway-specific applications and product solutions

Latest blog posts

Mar 2026

Interface Technology

High-Voltage Transducer, Data Centers

The Shift to 800 V DC in AI Data Centers — and Why Precise Measurement Is Critical
Reliable current, voltage, temperature and fault monitoring for high-density architectures.

Feb 2026

Interface Technology

Railway, Functional Safety

SIL-compliant speed signal doubling for safety-critical applications
Simplifies retrofitting and reduces costs for new rail vehicles: the new Universal Speed Signal Doubler P16890.

Nov 2025

Interface Technology

High-Voltage Transducer, USA, Data Centers

The Power Behind Data AI & Data Centers
Empower AI with precision: High-voltage measurement solutions from Knick deliver real-time, reliable data.

Nov 2025

Interface Technology

USA, Temperature Transmitter

High-Isolation Temperature Measurement at KEMA Labs
Safe and precise temperature measurement for demanding high-voltage testing.

Sept 2025

Interface Technology

P45000, SIL

Functionally safe measurement of high voltages in industrial applications
Designed for measurements of voltages up to 3,900 V DC and 4,500 V ACpeak: the new P45000 High Voltage Transducer.

Sept 2025

Interface Technology

High-Voltage Transducer, Railway, USA

Upgrading Rail Infrastructure with Knick HV-Transducers and Dewesoft DAQ Systems
A joint railway project with Dewesoft shows: The P40000 series from Knick offers maximum flexibility.

Jun 2025

Interface Technology

P45000, SIL, Energy

P45000 SIL 2 / SIL 3: Voltage measurements in applications with functional safety
Knick offers a new future-proof solution for modern energy infrastructures: reliable, flexible, safe.

Sept 2024

Interface Technology

Hydrogen

Stack and String Voltage Measurement in Electrolyzers and Fuel Cells
Voltage, current and temperature measurement in electrolyzers with P40000 series high voltage transducers

Sept 2024

Interface Technology

New 30 mV Shunt Resistors for Knick Transducers

Knick is expanding the accessory range for its high-voltage transducers with immediate effect by adding shunt resistors with a 30 mV voltage drop
Innovations at InnoTrans 2024

Sept 2024

Interface Technology

Exhibition, InnoTrans

Innovations at InnoTrans 2024 for rolling stock and DC traction power supply
At InnoTrans 2024 Knick presents electrical measurement solutions for rolling stock and DC traction power supply applications

Dec 2023

Company

|

Interface Technology

|

Process Analytics

Knick Austria - direct customer contact in Austria from 2024
Reorganization of sales in Austria and new contacts in the field of process analytics and interface technology

May 2022

Interface Technology

Energy

Energy storage - the handshake between renewable energy and electric vehicles
Energy storage technology such as battery and hydrogen are critical for growth and continuous development of renewable energy and e-mobility.

Feb 2022

Interface Technology

P52000VPD, Voltage

P52000VPD voltage presence detector reliably detects voltages up to 4200 V DC
The new P52000VPD voltage presence detector reliably monitors areas with high voltages and sends a signal to the downstream plant control system when a specified threshold value is reached.

Sept 2021

Interface Technology

USA, Exhibition

Knick Interface at Battery and Electric & Hybrid Vehicle Technology Expo
Knick will be showcasing high-voltage electrical measurement and signal conversion products.

May 2021

Interface Technology

Quadruple Standard Signals in Just One Signal Conditioner
The A20340 can output a standard input signal to four calibrated and galvanically isolated outputs in parallel.

Apr 2021

Interface Technology

Hydrogen

Electrical measurement and process analytics for hydrogen production
Knick products optimize hydrogen production in the process and in electrolyser operation.

Mar 2021

Interface Technology

High-Voltage Transducer, USA, P44000

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.

Mar 2021

Interface Technology

Pulse frequency conditioner for speed sensors
The new P16000 from Knick is a pulse frequency conditioner that converts frequency signals from speed sensors into standard signals.

Nov 2020

Interface Technology

High-Voltage Transducer, Voltage, P42000D2

Worldwide smallest transducer up to ±2200 V
The P40000 series from Knick enables reliable voltage measurements from ±50 mV to ±3600 V and current measurements from ±100 mA to ±20 kA.

Aug 2020

Interface Technology

DC

Importance of broad-range power supplies for DC electrical measurement
Many DC electrical measurement products manufactured by Knick contain universal, also known as broad-range, power supplies.

Jul 2020

Interface Technology

High-Voltage Transducer, DC, P29000

Measuring Photovoltaic Degradation
Photovoltaic (PV) array degradation is an important aspect to consider for system design and installation.

Jun 2020

Interface Technology

High-Voltage Transducer, USA

Electrical Measurement Solutions: Control from 480 to 4800 Volts
Voltage and current transducers from Knick bring true control to electrical measurement applications across a wide-range of industries.

Jun 2020

Interface Technology

High-Voltage Transducer

Benefits of High Voltage Transducers versus Instrument Transformers
When a need arises to step voltage in a circuit either up or down for purposes of power transmission or distribution, there is no doubt that transformers are essential.

Nov 2019

Interface Technology

DC, USA, Current

Shunt Resistor versus Hall Effect Technology
There are many systems where measurement of large DC currents are needed for performance and safety.

Mar 2018

Interface Technology

MTBF beyond 3000 years: A snap hook for your plant
Failure of equipment on the plant floor can lead to considerable and costly disruption.

Jan 2018

Interface Technology

UL

Knick Products Comply With UL - What Does That Mean?
There are different assessments and approaches to reach an adequate level of safety. Manufacturers are typically on the “safe” side, if they comply with recognized standards.

Nov 2017

Interface Technology

High-Voltage Transducer, P50000

High-voltage transducer offers more safety on railway vehicles
The requirements placed on railway vehicles have increased significantly in recent years. Products for rolling stock need to ensure a higher level of functional safety than ever before.

Feb 2017

Interface Technology

P41000TRMS

True RMS Measurement with P41000TRMS
Traditional millivolt AC transducers are very susceptible to errors due to their poor insulation and are only designed for pure sinewave measurement.

Feb 2017

Interface Technology

SIL, P22400

Functional safety and maximum availability can go together
The requirements on operational and safety-related circuits are continuously growing.

We look forward hearing from you!
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GlobalSpec

Knick Interface LLC | Canada, USA, Mexico

16787 Beach Blvd # 634
CA 92647 Huntington Beach
United States of America
Phone: +1 714-499-9077
https://www.knick-interface.com
Business Unit Interface Technology
Responsible for Canada, the USA, and Mexico
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