Tension Meter TMT

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The portable electronic Tension meter TMT from S2Tech allows warp tension measurement with measuring range up to 2.000g. A portable digital display allows measurement processing with statistical functions, plus analog and digital output signals.

  • Measuring head allows to measure yarn groups up to 20 mm
  • Transducer’s light weight construction (300 g) allows measurements without disturbing yarn tensioning
  • Transducer can be used for fast mobile measurements or for long period measurements, by means of additional fixing points (vertical measurement allowed)
  • Displaying and storage of various tension measurements
  • Analog output: from 1 to 4 V
  • Digital outputs: RS232, RS 485 with ModBus or CANopen
  • No moving parts for ease of use and reduced maintenance
  • Transducer’s head is overload protected

TMT Tensiometer has been developed to provide a tool for the weaving industry that allows machine analysis, so to tune several machine for the same tensioning, for quality control, for development of new weaving solutions. The transducer can be easily applied on the yarn, due to a simple design, and is kept in position by means of a Velcro™ band, on transducer’s cable, to be fixed on the weaving machine. Additional fixing points on transducer’s body allow its rigid fixing to the machine frame.

Measured tensioning can be evaluated, as waveform, using the on-board amplified 1 to 4 V analog signal or by means of the provided digital outputs. Analog output is directly obtained from transducer’s signal by means of a dedicated analog amplifier, thus obtaining a signal bandwith unaffected by display sampling rate.

TMT’s digital display can send measurements to the weaving machine controller using CANopen or RS485 connection or can provide data to remote computer for signal analysis (RS232, RS485, CANopen).

TMT comes with default digital output with CANopen protocol.

Other outputs are available upon request and can be equipped on the device (digital outputs) or supplied with an external device (analog outputs)

Fullscale

2000 g

Accuracy

±1 digit

Converter A/D

through a programmable converter, 24 bit max, da 7,5 to 3,8 kHz as update frequency

Safety limit

110 % FS

Overload

150 % FS

Sampling frequency

3.8 kHx max

Damping

supplied with the A/D converter

Display

Main measurements: up to 7 digits LCD, 11 mm height###Secondary measurements: up to 14 digits LCD, 6 mm height

Display update rate

10 times/sec (other values available on request)

Output signal

from 1 to 4 V

Digital output

RS 232, RS 485 with protocol MODbus or built-in CANopen

Supply

up to 10 hours, through rechargeable battey (4 x NiMH AA, 2200 mA) or through external supply at 110/220 VAC with external transformer (supplied)

Air humidity

max 85%RH

Operating temperature

10 to 45 °C

Material

Transducer=aluminium alloy###Display=plastic

Wire

2 mt in PVC, it connects the transducer to the display

Digital Output

CAN open, RS422, RS485

Output signal type

Analog, Digital

Analog Output

1-4V

Material

Aluminium

  • Measuring Full Scale (FS): 2.000 g (other values may be defined upon request)
  • Calibration: according to S2Tech internal procedure
  • Accuracy: ±1 digit
  • A/D conversion: by means of a programmable converter 24 bit max, 7,5 to 3,8kHz measurement update
  • Safe load limit: 110% FS, without accuracy guarantee
  • Overload protection: 150 % FS
  • Sampling rate: 3.8 kHx max
  • Damping : A/D converter provided and moving averaging
  • Display:
  • Main measurement: up to 7 digits LCD, 11 mm high
  • Secondary measurement: up to 14 digits LCD, 6 mm high
  • Display update time: 10 times/sec (other values are possible)
  • Analog output signal: 1 to 4 V, directly obtained from transducer’s signal by analogue amplification, so to achieve maximum signal bandwidth
  • Digital connectivity: RS 232, RS 485 with MODbus protocol or built-in CANopen
  • Power supply: up to 10 hours, battery powered (4 x NiMH AA batteries, 2200 mA) or line 110 /220 AC with external transformer (provided)
  • Working temperature range: from 10 to 45 °C
  • Air humidity: 85%RH, max
  • Material: Transducer = Aluminium alloy ; Display = plastic
  • Cable wiring : 2 mt PVC wire, from transducer to display
Tensiometro TMT
In costruzione
In costruzione