FS1
Tension Sensor

10 Tension ranges available
from 0 – 50 cN to 0 – 50 daN
Stationary electronic tension sensor for measuring threads, fibres and thin wires with a diameter up to approx. 2 mm

Universal sensor for continuous tension measuring in wire and textile industry with different output signals

Low cost tension sensor for quick and easy mounting

Special Features

  • Tension sensor FS1 with integrated measuring amplifier and high accuracy of 1.5 % FS
  • Different guide rollers are available according to the application
  • 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 FS1-422 (FS1-100 and higher)
    – 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)
    The housing of sensors with digital output are larger and need as mounting cut a long hole R 19 with a length of 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

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

Standard Features

  • V-grooved guide rollers, ball-bearing mounted
  • Tension sensor FS1 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 Tension Range
 Measuring Head Width*
 SCHMIDT Calibration Material**
FS1-50 0 – 50 cN 64 mm PA: 0.12 mm Ø
FS1-100 0 – 100 cN 64 mm PA: 0.12 mm Ø
FS1-200 0 – 200 cN 64 mm PA: 0.12 mm Ø
FS1-500 0 – 500 cN 64 mm PA: 0.20 mm Ø
FS1-1000 0 – 1000 cN 64 mm PA: 0.30 mm Ø
FS1-2000 0 – 2000 cN 124 mm PA: 0.50 mm Ø
FS1-5000 0 – 5000 cN 124 mm PA: 0.80 mm Ø
FS1-10K 0 – 10 daN 124 mm PA: 1.00 mm Ø
FS1-20K 0 – 20 daN 224 mm PA: 1.50 mm Ø
FS1-50K 0 – 50 daN 224 mm steel rope 1.50 mm Ø

Other tension ranges and measuring head widths available on request.
Other measuring units available, such as g or kg.
* Outer dimensions of front plate
** Suitable for 95 % of applications PA = Polyamide Monofilament

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.

SPECIFICATIONS

Calibration: According to SCHMIDT factory procedure
Accuracy: ±1.5 % 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 (Option: digital)
Temperature drift: Up to FS1-200 less than ±0.2 % full scale/ºC
From FS1-500 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
Digital output signals are available for FS1-100 and higher
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. 21 mA (standard output)
Code A3: 50 mA, Code 422: 50 mA, Code 232: 40 mA
Housing material: Aluminium
Dimensions: See dimensions
Weight, net (gross): Up to model FS1-1000 approx. 250 g (350 g)
Models FS1-2000 up to FS1-10K approx. 280 g (380 g)
Models FS1-20K and FS1-50K approx. 330 g (500 g)

Specifications subject to change without notice!

GUIDE ROLLERS

Order-Code Line Speed vmax. … m/min Roller Material
Standard 2000 Hard-coated aluminium
Code K
 3500 Hard-coated aluminium
Code H
 5000 Plasma-coated aluminium
for model  FS1-100 and higher ranges
Code ST 1000 Hardened steel
Code B 1000 Tempered steel (for tire cord)
Code CE2 1000 Aluminium ceramic-coated
Code ASY 1000 Hard-coated aluminium, asymmetrical groove
for model FS1-500 and higher ranges
(measuring head width 124 mm)
Code ASYB 1000 Tempered steel (for tire cord), asymmetrical groove
for model FS1-500 and higher ranges
(measuring head width 124 mm)
Code U 2000 Hard-coated aluminium (radius R3)
for model FS1-500 and higher ranges
(measuring head width 124 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 digital output signal.
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, EK0621 and EK0627 – 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
Order number: EK0627, Length 10 m

 

 

 

 

 

 

 

 

EK0622 and EK 0623 – 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 FS1 with RS-232 interface – Code 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

 

 

 

 

 

 

 

 EBG510 – USB Adapter

Adapter from RS-232 to USB.
Order number: EBG510

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
for model FS1-100 and higher
Up to 500 readings can be transferred per second. No external power supply is required

 

 

 

 

 Code 232

Output signal: RS-232
for model FS1-100 and higher
Up to 200 readings can be transferred per second.

 

 

 

 

 Code WL

Output signal: Wi-Fi
for model FS1-100 and higher

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

 

 

 

 Code 422

Output signal: RS-422
for model FS1-100 and higher
max. 24 sensors can be connected in line to a PC.

For more information look at the sensor FS1-422.

DELIVERY INCLUDES

Tension sensor FS1 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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