Pepperl+Fuchs KFD0-TT-Ex1

Thermocouple Converter
SKU: KFD0-TT-Ex1
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The Thermocouple Converter is a 1-channel isolated barrier designed for reliable temperature measurement in hazardous environments. It features a thermocouple input and provides a 4 mA to 20 mA output, ensuring compatibility with various industrial control systems.

All description
Manufacturer: Pepperl+Fuchs
Description:

The Thermocouple Converter is part of a specialized family of intrinsic safety barriers that facilitate safe temperature monitoring in potentially explosive atmospheres. These devices are engineered to ensure that electrical signals are transmitted without compromising safety, making them ideal for use in industries such as oil and gas, chemical processing, and other sectors requiring stringent safety compliance.

Equipped with internal cold junction compensation, the converter ensures accurate temperature readings by compensating for variations in temperature at the connection points. The device also incorporates sensor breakage detection, providing an additional layer of reliability. Its DIP switch selectable ranges allow for flexible configuration to meet various application requirements, enhancing versatility in temperature measurement tasks.

Rated voltage 12 … 35 V DC loop powered
Configuration via DIP switches
via rotary switch
Insulation coordination EN 50178
Connection side control side
Connection side field side
Measurement range span 4 … 100 mV, zero point -12 … 60 mV , both adjustable
Degree of protection IP20
Ambient temperature -20 … 60 °C (-4 … 140 °F)
Rise time 250 ms
Connection terminals 9+, 8-
Supplementary information Observe the certificates, declarations of conformity, instruction manuals, and manuals where applicable. For information see www.pepperl-fuchs.com.
Current output 4 … 20 mA , limited to 35 mA
Certificate TV 01 ATEX 1777 X
Connection terminals 1+, 2-, 3- thermocouple E, J, K, N, R, S or T, cold junction referenced to 0 °C (32 °F)
Labeling space for labeling at the front
Connection screw terminals
Control elements DIP-switch
rotary switch
Input/Output safe isolation according to EN 50178, rated insulation voltage 253 Veff
Mass approx. 150 g
Mounting on 35 mm DIN mounting rail acc. to EN 60715:2001
Load (U -12 V) / 0.02 A
Lead resistance max. 100 andOmega; per line
Fault signal downscaling 3 mA , upscaling 22 mA
Characteristic curve the output voltage is linearly proportionate to the input voltage (not to temperature)
Power dissipation 0.4 W
EU-Type Examination Certificate ZELM 00 ATEX 0035
Degree of protection IEC 60529
Current lead monitoring ON: 15 nA; OFF: 1 nA
Signal type Analog input
Dimensions 20 x 119 x 115 mm (0.8 x 4.7 x 4.5 inch) , housing type B2
Galvanic isolation EN 50178
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