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Pepperl + Fuchs KFD2-UT-EX1

Name: KFD2-UT-EX1
Brand: Pepperl + Fuchs
SKU: KFD2-UT-EX1
Price: 111.48 GBP
Availability: InStock

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£111.48 (ex. VAT)

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Marvo Stock ID MV-BQ5N

HS Code 8543

SKU KFD2-UT-EX1

Condition New sealed

Warranty 12 months

Weight (kg) 0.11

Length (mm) 115.00

Width (mm) 20.00

Height (mm) 124.00

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Specification & Description

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Commonly Asked Questions

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Specification & Description

Specification	Description
Part Number	KFD2-UT-EX1
Alternative Part Number	KFD2UTEX1
Manufacturer	Pepperl + Fuchs
Supply Voltage	20 ... 35 V DC
Power Consumption	≤ 1.5 W
Input Connection	Terminals 1, 2, 3 and 4; suitable for various RTDs and thermocouples
Output Voltage	1 ... 5 V; 5.125 V at input signal overrange
Output Current	4 ... 20 mA; 20.5 mA at input signal overrange
Lead Resistance	≤ 50 Ω per lead
Measuring Current	Approx. 400 µA with resistance measuring sensor
Safety Maximum Voltage (Um)	250 V
Accuracy	Pt100: ± 0.1 % of measurement value in K + 0.05 % of span + 0.1 K (4-wire connection)
Ambient Temperature	-20 ... 60 °C
Protection Degree	IP20
Mass	Approx. 110 g
Electrical Isolation	Input/Output safe electrical isolation acc. to EN 50020, voltage peak value 375 V
Directive Conformity	Directive 94/9 EC (ATEX), Electromagnetic compatibility Directive 89/336/EC
Type of Protection	[EEx ia] IIC
Certification	TÜV 02 ATEX 1797 X, BASEEFA No. Ex 94C2435, CSA control drawing LR 65756-13
Accessories	Power Rail PR-03, Power Rail UPR-03, Power feed module KFD2-EB2..., Adapter K-ADP1, PACTware™
Response Time	≤ 430 ms
EMC Compliance	NAMUR NE 21
Suitable for Hazardous Areas	Yes, suitable for installation in division 2
Entity Parameters	Voltage VOC 11.6 V, Current It 30.9 mA, Max. external capacitance and inductance specified
Temperature Classification	Group, category, type of protection, ¬ II 3 G EEx nA II T4
Programming Interface	Available, no electrical isolation between the programming input and the supply and output
Climatic Conditions	According to DIN IEC 721
Insulation Coordination	According to DIN EN 50178
Electromagnetic Compatibility	According to EN 50081-2 / EN 50082-2

The Pepperl + Fuchs KFD2-UT-EX1 is a versatile signal converter designed to facilitate the connection of temperature sensors such as RTDs (Pt100, Ni100) and thermocouples (types B, E, J, K, L, N, R, S, or T) in hazardous areas. This single-channel unit is engineered to provide a reliable 4-20mA output, with an optional 1-5V output available. It boasts a 24V DC nominal power supply and offers exceptional accuracy within ±0.1%.

The KFD2-UT-EX1 is equipped with a range of adjustment options, allowing for precise calibration of temperature measuring ranges for resistance and voltage sensors. It supports 2-, 3-, or 4-wire configurations for RTDs and offers both internal and external cold junction compensation for thermocouples. Additionally, the device includes sensor burnout monitoring for thermocouples and sensor burnout and short-circuit monitoring for Pt100 sensors.

All settings on the KFD2-UT-EX1 can be configured via a serial interface to a PC, enabling online parameterisation for ease of use. The device can be factory set upon request, ensuring it is ready for immediate deployment in your system. The signal converter is also compliant with NAMUR NE 21 standards for electromagnetic compatibility, ensuring stable operation in industrial environments.

The KFD2-UT-EX1's robust design includes galvanic isolation between the input, output, programming output, and power supply, enhancing the safety and integrity of your signal processing. The unit's functionality is further enhanced by its programmable fault signal response, with a red flashing LED providing clear indication of any errors per NAMUR NE 44 recommendations.

Ideal for process automation applications, the Pepperl + Fuchs KFD2-UT-EX1 is a reliable and precise solution for temperature signal conversion in potentially explosive environments. Its compact and user-friendly design makes it a valuable addition to any industrial temperature monitoring and control system.

Commonly Asked Questions

Is my order covered by a warranty?

Marvo provides a full 12-month warranty on all products, whatever the condition. For your peace of mind, all parts are ‘Marvo Approved’ which means that they have been tested and checked to ensure that they are in working condition. If you are unhappy with the part(s) you received and would like to request a return, you can do so by completing our quick and easy online form. Once we have received your Returns Request, a member of the team will be in touch to discuss this further with you. You can read more about our warranty policy here.

What payment methods do you accept?

We accept card payments from all major credit, debit and Mastercard providers including Visa, American Express, Western Union, Paypal and bank transfers. Before you complete an order you will be prompted to input your payment details, at which point you can enter the relevant card information you wish to use for your transaction. If you are experiencing issues with your payment method then you can contact our team via email here. From there, you will be directed to the most relevant resource or person to help you complete your payment, get your order processed and ensure that your parts are on the way to your delivery address.

Is Marvo a credible parts supplier?

Marvo is a highly credible supplier of industrial automation parts and components with dedicated hubs around the world offering industry-leading products and services. Marvo is committed to providing a quick, easy and reliable place to source your automation and control components. All purchases come as standard with a comprehensive 12-month return to base warranty meaning that, in just a few clicks, you can source critical parts more seamlessly than ever before. Click here to read an article on how Marvo is redefining convenience for automation and manufacturing professionals.

Have steps been taken to ensure quality control?

Marvo takes pride in product quality and has put several measures in place to assure high levels of quality standards. For your peace of mind, all parts have been ‘Marvo Approved’ which means that they have been tested and checked to ensure that they are in working condition. Redefine convenience and secure priority delivery on all parts along with a comprehensive 12-month warranty. This is the smart new way to buy automation and control components.

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Our service to you

Lightning-Fast Express Shipping: Receive your order in record time with our express shipping options, ensuring you minimize downtime and keep your projects on track.

No-Risk Returns, Guaranteed: Return your parts anytime for a full refund. Our hassle-free return policy ensures you’re never stuck with something you don’t need.

Clear Pricing with No Hidden Fees: What you see is what you pay, transparent pricing with no extra costs, ever. Rest assured, all taxes and fees are already included in your final price.

Rock-Solid Reliability at a Fraction of the Cost: Get pre-owned electronic parts that are fully tested for peak performance, saving you money without compromising on quality, backed by a comprehensive warranty.

Frequently Asked Questions

What types of sensors can be connected to this converter?

The KFD2-UT-Ex1 converter is designed to connect with RTDs such as Pt100 and Ni100, as well as thermocouples of types B, E, J, K, L, N, R, S, or T. It supports 2-, 3-, or 4-wire RTD configurations.

Can the KFD2-UT-Ex1 be used in hazardous areas?

Yes, the converter is suitable for use in hazardous areas and is certified with protection type [EEx ia] IIC, allowing for safe operation in such environments.

What is the power supply requirement for this converter?

The converter requires a rated voltage of 20 to 35 V DC, which can be supplied via Power Rail or directly through terminals 11+ and 12-.

How is the KFD2-UT-Ex1 converter programmed?

Programming of the converter can be done via a serial interface to a PC, allowing for online parameterisation and setting adjustments such as temperature range, wire configuration, and thermocouple type.

What output signals does the KFD2-UT-Ex1 provide?

The converter provides a 4-20 mA current output signal proportional to the measured temperature. There is also an optional voltage output of 1-5V.

Does the KFD2-UT-Ex1 offer any diagnostic features?

Yes, the converter includes sensor burnout monitoring for thermocouples and sensor burnout and short-circuit monitoring for RTDs, ensuring reliable operation and quick troubleshooting.

What is the accuracy of the temperature measurement with this converter?

The KFD2-UT-Ex1 offers an accuracy of ±0.1% for RTD measurements, ensuring precise temperature monitoring for critical processes.

Is the KFD2-UT-Ex1 compliant with EMC standards?

Yes, the converter is compliant with EMC standards according to NAMUR NE 21, ensuring minimal electromagnetic interference with other devices.

What are the ambient operating conditions for the KFD2-UT-Ex1?

The converter can operate within an ambient temperature range of -20 to 60°C, making it suitable for a wide range of industrial environments.

How is electrical isolation achieved in the KFD2-UT-Ex1?

The converter features safe electrical isolation according to EN 50020 between the input, output, and power supply, with a voltage peak value of 375 V, ensuring safety and preventing ground loops.

Part conditions explained

We want your buying experience to be as seamless as possible. So, here are all of the product descriptions you will see when browsing Marvo, explained a little further:

New unsealed: The product is in its original packaging, but the packaging has been opened or unsealed. It has never been used and should be in near pristine condition.

New sealed: The product is sealed in its original packaging. It has never been opened or used, ensuring that it's in an untouched state.

New unboxed: The product does not come in its original packaging, but it has never been used and is in great working condition.

Refurbished: The product has been previously used, but it has undergone a thorough refurbishment process to restore it to a like-new or functional condition. Any defects or issues have been addressed, making it suitable for reuse.

Used: The product has been previously owned and has been used. It may show signs of wear and tear but is still functional and operational. The condition may vary depending on the specific item and its usage history.

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