Series K

Force sensor K series
– Precision at its best

Configurator

Configure Your Force Transducer
Kraftaufnehmer Serie K - Präzise, robuste und konfigurierbare Kraftmesssensoren von 200 N bis 630 kN

Precise, Robust and Configurable Force Sensors from 200 N to 630 kN

The K series force sensors use the bending ring principle as the only integrated measuring method in force measurement. This means that these force sensors set standards for accuracy, reliability and quality. This significantly affects the very low sensitivity to parasitic influences (shear forces, bending moments, torsional moments, temperature fluctuations). They can withstand forces of up to 300 % of the nominal force without breaking and up to 150 % of the nominal force without zero point shift. With a fixed cable connection, the K series force sensors achieve IP protection class IP68.

The K series is a force sensor that enables high-precision measurement throughout the entire measuring range - from the smallest load to the nominal force. This means that the same force sensor can be used for the widest possible measuring range, providing a reliable and economical solution for your force measurement needs - ideal for materials and component testing, for static and dynamic testing machines or demanding production applications for process control and quality assurance.

+ Key Facts

  • Tensile and compressive forces, static and dynamic
  • Nominal force range: 200 N to 630 kN
  • Accuracy class: 0.02 to 0.05
  • Fatigue endurance limit: >100 million load cycles
  • Mounting: flange or threaded
  • IP protection class: up to IP68

+ Advantages

  • Flexibly configurable sensor variants
  • Precise and reliable measurements
  • Well suited for dynamic applications
  • Investment security due to long service life
  • Very robust & durable

Options

  • Flanged, threaded, or flanged & threaded mechanical design based on nominal loadMechanical protection with fixed connection socket
  • Rated output (nominal) 2 mV/V, 1 mV/V
  • Second axial measuring circuit for redundancy
  • Bending moment measuring circuits Mx, My for checking the axial force introduction
  • Fixed connection socket or fixed cable in various lengths on the force sensor
  • If fixed cable on the sensor: different connector types (e.g. D-Sub, MS, M12) or free ends
  • Extended temperature range: -40 °C to +180 °C

Technical Data: K series force sensor

General data
Nominal force range 0,2 to 630 [kN]
Linearity deviation 0,02 - 0,03 [%]
Hysteresis 0,02 - 0,08 [%]
TKC rated value 0,04 [%/10K]
TK0 zero signal 0,025 [%/10K]
Type of construction (1) flange
(2) central thread
(3) flange & central thread
*depending on nominal force

 

Electrical data
Nominal characteristic value 2 or 1 [mV/V]; depending on nominal force
Bridge resistance 900-1200 [Ohm]; depending on nominal force
Zero signal tolerance 0,5 [%]
Operating range of excitation voltage 5-20 [V]

 

Mechanical data
Fatigue strength 1. Amplitude ≤ 80% Fnom @2mV/V
2. Amplitude ≤ 100% Fnom @1mV/V
Maximum overload 150 [%]
Static breaking load 300 [%]
Fatigue strength / cycles Continuous vibration proof >108
Sensor body material 1. 0.2 kN - 0.5 kN: high strenght aluminium alloy
2. 1 kN - 630 kN: alloyed heat treated steel
Hermeticaly sealed Yes
Electrical connection 1. fixed connector socket on the sensor housing
2. fixed cable with open ends or selectable connectors

 

Environmental conditions
Rated temperature range -10 - +60 [°C]
Extended temperature range -40 - + 180 [°C]
Degree of protection IP68, with fixed cable connection
IP50, with plug connection

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