FSR
Tension Sensor

5 Tension ranges available
from 0 – 10 N up to 0 – 500 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

Inexpensive, online tension sensor, single roller system, for mounting at an existing deflection pulley

Special Features

  • Tension sensor FSR with integrated measuring amplifier and high accuracy of 1.5 % FS
  • 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!
  • Various output signals are available:
    – analog: 0 – 1 V DC (standard), 0 – 10 V DC (optional)
    – digital (optional): USB, RS-232, Wi-Fi, RS-422 – see model FSR-422
    – current: 4 – 20 mA (optional)
  • Easy installation, even afterwards, on existing machines
  • 2 Mounting possibilities: housing mounting or cylindrical hole mounting (mounting cut out 38.5 – 40 mm Ø) – see picture. The housing of sensors with digital output are larger.
  • 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

  • Tension sensor FSR with Aluminium housing
  • 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

 Available Models

Model Nominal Load
FSR-10N 0 – 10 N
FSR-20N 0 – 20 N
FSR-50N 0 – 50 N
FSR-100N 0 – 100 N
FSR-200N 0 – 200 N
FSR-500N 0 – 500 N

SPECIFICATIONS

Calibration: According to SCHMIDT factory procedure
Accuracy: ±1.5 % full scale and ±1 digit % full scale or better
Other calibration material: ±3 % full scale 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: Analog (Option: digital)
Temperature drift: Less than ±0.05 % full scale/ºC
Output signal: Standard: 0 – 1 V DC (analog) impedance: ≥ 5 kΩ
Option: 0 – 10 V DC (analog), 4 – 20 mA DC (current)
Option digital: USB (500 Hz), RS-232 (200 Hz), RS-422 (200 Hz) or Wi-Fi
Damping (fg): Standard: 30 Hz (other values on request)
Temperature range: 10 – 45 ºC
Air humidity: 85 % RH, max.
Power supply: +15…24 V DC, max. 50 mA regulated (standard output)
Code A3: 50 mA, Code 422: 50 mA, Code 232: 40 mA
Housing material: Aluminium
Dimensions: See dimensions
Weight, net (gross): Approx. 250 g (350 g)

Specifications subject to change without notice!

MOUNTING

Tension sensor TSR 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.

DETERMINING THE TENSION RANGE

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

When 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-Code Line Speed vmax. … m/min Roller Material
Standard 4000 Hardened steel (max. Ø 4 mm)
Code R1 4000 Hard chrome-plated steel (radius R5)
Code F 4000 Hard-coated aluminium
Code FB 4000 Tempered steel
Code B6 2000 Hardened steel, width 6 mm
Code B10 2000 Hardened steel, width 10 mm

STANDARD ACCESSORIES

EK0805 – USB Connecting Cable

Cable for USB output to connect the tension meter to a PC.
Cable length 3 m
Order number: EK0805

OPTIONAL ACCESSORIES

SW-TI3 – Software Tension Inspect 3

For displaying and saving readings on a PC (Win 7 and higher; 32 bit and 64 bit). Only for Sensors with RS-422, RS-232, USB or WI-FI available.
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
Order number: SW-TI3

 

 E10071 – M9 Sub-Miniatur Connector

Connector suitable for sensors of FS series,
cable outlet 3.5 – 5 mm
Ordering Example: E10071

 

 

 

 

 

 E10070 – M9 Sub-Miniatur Right Angle Plug

Plug suitable for sensors of FS series,
cable outlet 3.5 – 5 mm
Ordering Example: E10070

 

 

 

 

 

 EK0620 and EK0621 – Connecting Cable with M9 Sub-Miniatur Connector and Open Ends

Connecting cable for an analog output.
For connecting sensors of FS series to the display unit SC-PM.
Order number: EK0620, Length 2 m
Order number: EK0621, Length 5 m

 

 

 

 

 

 

 

 

 EK0622 and EK0623 – Connecting Cable with M9 Sub-Miniatur Right Angle Plug and Open Ends

Connecting cable for an analog output.
For connecting sensors of FS series to the display unit SC-PM.
Order number: EK0622, Length 2 m
Order number: EK0623, Length 5 m

 

 

 

 

 

 

 

 

 EK0624 – Connecting Cable with M9 Sub-Miniatur Connector and Diode Plug

Connecting cable for analog output.
For connecting sensors of FS series to the display unit SCD-1.
Order number: EK0624, Length 2 m

 

 

 

 

 

 

 EK0640 – RS-232 Connecting Cable

Connecting cable for tension sensor FSR with RS-232 interface – Code RS 232:
This cable is needed to connect the sensor to a PC or an analog signal processing unit; AC adapter for 100 – 240 V with 3 adapters (EU/USA/UK) for power supply is included, 3 m long
Order number: EK0640

 

 

 

 

 

 

 EK0643 – RS-232 Extension Cable

Extension cable for RS-232 connecting cable EK0640, length 2 m
Order number: EK0643

OUTPUT SIGNAL

Standard

Output signal: 0 – 1 V DC

 

 

 

 

 

 Code A2

Output signal: 0 – 10 V DC

 

 

 

 

 

 Code A3

Output signal: 4 – 20 mA DC

 

 

 

 

 

 Code USB

Output signal: USB
Up to 500 readings can be transferred per second. No external power supply is required

 

 

 

 

 Code 232

Output signal: RS-232
Up to 200 readings can be transferred per second.

 

 

 

 

 Code WL

Output signal: Wi-Fi

The Wi-Fi module is not licensed for all countries. Please contact us for further information!

 

 

 

 

 Code 422

Output signal: digital RS-422
Max. 32 sensors can be connected in line to a PC.

For more information look at the sensor FS1-422.

DELIVERY INCLUDES

Tension sensor FSR 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.

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