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Tension Sensor FSR-422

5 Tension ranges available
from 0 - 10 N up to 0 - 200 N

Stationary electronic tension sensor for flexible material, as wires, thin ropes and cable up to 10 mm Ø, as well as linear materials up to 10 mm width

Large, hardened guide rollers for minimized material deflection with 29.5 mm or 70 mm groove Ø

Tension sensor with RS-422 output for multi station system and connection to a with PC.
Single roller system for mounting at an existing deflection pulley.

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Special Features


Tension sensor FSR-422 with integrated microprocessor controlled measuring amplifier and RS-422 interface for multi station system

Sensor for installation at an existing deflection pulley; the in- and outcoming angle β has to be 20° or more.

Ball-bearing mounted steel or aluminium guide rollers 29.5 mm and 70 mm groove Ø,
– V-grooved (for material with max. 4 mm Ø)
– U-grooved (for material with 3 up to 10 mm Ø)
– tape grooved (for material with max. width of 10 mm)

Easy mounting of customer provided rollers – please contact us!

Easy installation, even afterwards, on existing machines

2 Mounting possibilities: housing mounting or cylindrical hole mounting (mounting cut out: long hole R 19 mm, length 54 mm)

Easy calibration to customized material by operator – zero and gain calibration is required

Measuring principle – load cell with high quality strain gauge bridge

Tension sensor with mechanical overload protection

Standard Features


Control lamp shows operative mode availability

Tension sensor FSR-422 with aluminium housing

CAT 5 cables are used for data transfer

required power supply +15…24 V DC (regulated)

Certificate of Compliance with the order 2.1 according EN 10204 is included

Optionally available: Inspection Certificate 3.1 according EN 10204 with calibration report

Special features of the RS-422 interface:

  • Up to 24 sensors with different tension ranges and designs may be connected in one line (data transfer max. 200 readings/sec.)
  • Connection to RS-232 using a converter (RS-422 – RS-232).
  • The RS-422 signal can be used for a single sensor over a distance of 1000 m.
  • Each sensor can individually be addressed and set up
  • Can be connected to PLC controls with digital input
  • Simple connection to BUS-Systems using gateways

Lern more about the different tension measuring systems

You are not sure, which system is right for, or where the differences are? Here we explain it for you.

Info tension measuring system

Available Models

ModelNominal Load
FSR-10N-4220 – 10 N
FSR-20N-4220 – 20 N
FSR-50N-4220 – 50 N
FSR-100N-4220 – 100 N
FSR-200N-4220 – 200 N
FSR-500N-4220 – 500 N

Anzeige SC-PM und Vorverstärker SCV-1For the tension sensor FSR-422 we offer different display units for one or more sensors, as well as strain gauge amplifier.

Find further information at display units and amplifier

Specifications

Calibration:According to SCHMIDT factory procedure
Accuracy:±1 % full scale and ±1 digit or better
Other calibration material:
±3 % full scale and ±1 digit or better
Overload protection:100 % of tension range
Measuring principle:Strain gauge bridge
Measuring roller deflection:Max. 0.5 mm
Natural frequency:Approx. 500 Hz, depending on tension range
Signal processing:Digital 12-bit A/D converter, Internal averaging up to 4 sec.
Communication frequency:200 readings/s
Temperature coefficient:Less than ±0.05 % full scale/°C
Output signal:RS-422 (57600, 8, N, 1)
Temperature range:10 – 45 ºC
Air humidity:85 % RH, max.
Power supply:+15…24 V DC, 50 mA (regulated)
Housing material:Aluminium
Dimensions:See dimensions
Weight net (gross):Approx. 350 g (450 g)

Specifications subject to change without notice!

Mounting

Tension sensor FSR can be easily mounted everywhere a deviating point respectively a guide roller is built in at the machine. These places can be used as measuring point, assumed the in and outgoing angle is constant.
Installation sketch (PDF)

Determining the Tension Range

Determining the force for 1 roller tension sensors

The tension range can be calculated for every wrapping angle with this formula:

Formular to determine the force of single roller tension senorsWhen selecting the nominal measurement force it is necessary to take into account the weight of the guide roll and raise the nominal load respectively, particularly when working with small nominal forces.

Guide Rollers

Order-CodeLine Speed vmax. … m/minRoller Material
Standard4000Stainless steel 1.4125 (max. Ø 4 mm)
Code R14000Hard chrome-plated steel (Ø 3 – 9 mm)
Code F4000Hard-coated aluminium
Code FB4000Tempered steel
Code B62000Hardened steel, width 6 mm
Code B102000Hardened steel, width 10 mm

Accessories (optional)

  1. Tension Inspect 3

    Software Tension Inspect 3

    Tension Inspect 3 Info (PDF)

    For displaying and saving readings on a PC (Win 7 and higher; 32 Bit und 64 Bit).
    Features:
    – Real-time reading
    – The readings are also shown in a X-Y- diagram (time/date-tension)
    – For data analysing the buffered diagram can be zoomed and scaled
    – Recording of the buffered readings as CSV-file (on user request)
    – Download of values to Excel

    Software for 4, 8, 12, 16 or 24 sensors are available.


  2. EBG800 - Serial Port Converter

    Converter from RS-422 to RS-232 with terminal strip.
    Order number: EBG800


  3. EK0715 - Connecting Cable Cat 5 with open ends

    Cat 5 cable with open ends for RS-422/RS-232 converter and power supply, length 3 m.
    Order number: EK0715


  4. EK0711 and EK0712 - Connecting Cable Cat 5

    Cat 5 cable for series connection of FS sensors.
    Order number: EK0711, Length 3 m
    Order number: EK0712, Length 1.5 m


  5. EK0643 - RS-232 Connecting Cable

    Connecting cable for connecting EBG-800 converter to PC, length 2 m.
    Order number: EK0643


  6. K50204 - Mains Adapter

    Mains adapter K50204Recharger with 4 adapters (EU/USA/UK/AUS-NZL) for worldwide use,
    100 – 240 V AC
    Order number: K50204


Output Signal

Standard

Standard

Output signal: RS-422
Up to 200 readings can be transferred per second (internal sampling rate max. 57600 times/sec).


Calibration Report

Abnahmeprüfzeugnis-Inspection Certificate Hans Schmidt GmbHInspection Certificate 3.1 according DIN EN 10204
including a calibration report is optional available.

 

Calibration Report 3.1 (PDF)
Dimensions

Dimensions of tension sensor FSR-422 to download.
Drawing (PDF)
Delivery Includes

Tension sensor FSR-422 with transport packaging, operating instruction in German or English (as requested), Certificate of Compliance with the order 2.1 according EN 10204 free of charge

How To Order

To order tension sensor FSR-422:

Please indicate the complete order number, e. g.:

Model with tension rangeCode guide rollers (if not standard)Complete Order No.
FSR-10N-422+FB=FSR-10N-422-FB

Instruction Manual

Download the instruction manual of tension sensor FSR-422:
Instruction Manual (PDF)

If you want to get a quote or want to place an order please contact us.


+49 (0)8638 9410-0

+49 (0)8638 4825


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