Tension Sensor TSW

3 Tension ranges available
from 0 - 20 daN up to 0 - 100 daN

Stationary electronic tension sensor for measuring wires, ropes and cables up to 15 mm Ø

Sensor with large guide rollers (60 mm Ø), minimizes material deflection

Rugged tension sensor for high tension and for quick and easy mounting

Special Features

Tension sensor TSW with integrated measuring amplifier

Guide rollers 60 mm groove Ø, V-grooved or U-grooved, ball-bearing mounted

Various output signals are available:
– analog: 0 – 1 V DC (standard), 0 – 10 V DC (optional)
– current: 4 – 20 mA (optional)
– analog DMS: mV/V (optional)

Easy installation, even afterwards, on existing machines

Different guide rollers are available, according to the application

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 TSW with mechanical overload protection

Note: a wide range of custom designed models as well modifications are available on request. Please contact us with your demand!

Standard Features

Tension sensor TSW with rugged aluminum 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

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.

Available Models

ModelTension Range
Measuring Heas Width*
Calibration Material**
TSW-20K0 – 20 daN550 mmsteel rope 1.50 mm Ø (7x7x0.20)
TSW-50K0 – 50 daN550 mmsteel rope 3 mm Ø (6x7x0.30)
TSW-100K0 – 100 daN550 mmsteel rope 4 mm Ø (6x7x0.50)
Other tension ranges available on request.
Other measuring units available, such as kg.
* Outside dimensions of front plate


Calibration to customized material:
If process material differs significantly from the SCHMIDT calibration material in diameter, rigidity or shape, special calibration using customer supplied samples is recommended. For this purpose a material sample of about 5 m should be supplied.

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

Find further information at display units and amplifier

Tension Sensor TS1Tension Sensor TSW can be reconverted for special applications.

Find further information at special design


Calibration:According to SCHMIDT factory procedure
Accuracy:±1 % full scale and ±1 digit
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
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 (current) or mV/V (DMS)
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
Code A10: max. +5 V DC, max. 20 mA regulated
Housing material:Aluminium
Dimensions:See dimensions
Weight, net (gross):Approx. 1500 g (approx. 1800 g)

Specifications subject to change without notice!

Guide Rollers

Order-CodeLine Speed vmax. … m/minRoller Material
Standard2000Hard-coated  aluminium (radius R3)
Code R22000Hard-coated  aluminium (radius R5)
Code R32000Hard-coated  aluminium (radius R8)

Accessories (optional)

  1. Software Tension Inspect 3


    For displaying and saving readings on a PC (Win XP and higher; 32 bit and 64 bit). Only for sensors with RS-232 output.
    – 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

  2. Diode Plug with Bayonet Cap

    Diode plug suitable for sensors of TS series,
    cable outlet 3.5 – 6 mm
    Order number: E10061

  3. Connecting Cable with 2 diode plugs

    Connecting cable with 2 diode plugs, for analog output and voltage signal.
    For connecting the TS sensor to the display unit SCD-1.
    Order number: EK0603, Length 3 m
    Order number: EK0605, Length 5 m
    Order number: EK0610, Length 10 m

  4. Connecting Cable with 1 diode plug and open ends

    Connecting cable with 1 diode plug and open ends, for analog output and current signal.
    For connecting sensors of TS series to the display unit SC-PM.
    Order number: EK0612, Length 3 m
    Order number: EK0614, Length 5 m
    Order number: EK0615, Length 10 m

    Other cable length available on request!

  5. RS-232 Connecting Cable

    Connecting cable for tension sensor TSW 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 power supply is included, 3 m long
    Order number: EK0640

  6. RS-232 Extension Cable


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

Output Signal

Calibration Report

title page calibration certificate 3.1Inspection Certificate 3.1 according DIN EN 10204
including a calibration report is optional available
Spare Rollers

Title guide roller catalogueDownload an overview for the guide rollers.



Dimensions of tension sensor TSW for download.
Delivery Includes

Tension sensor TSW with transport packaging, operating instruction in german and english (as requested), Certificate of Compliance with the order 2.1 according EN 10204 free of charge

How To Order

To order tension sensor TSW:

Please indicate the complete order number e. g.:

Model with tension rangeCode guide rollers (if not standard)Code output signal (if not standard)Complete Order No.

Instruction Manual

Download the instruction manual of tension sensor TSW and TSW with RS-232 output.

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