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TS621HD High Speed Strain Gauge Amplifier

TS621HD High Speed Strain Gauge Amplifier
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The TS621HD electronic strain gauge amplifier is especially intended for amplification of high frequency sensor signals in mV range.

Best temperature and long-term stability as well as high accuracy are guaranteed by using modern technology.

The TS621HD delivers superb performance features such as galvanic isolation, removable terminal block for the sensor connections, multiple options and high quality.

Features

  • Detection of high frequency sensor signals by wide gain bandwidth; DC to 40kHz
  • Low noise
  • Great noise immunity and service reliability for use in rough industrial operation
  • Input power supply of 24V DC, reverse-polarity protected, providing:
    • wide operating input power supply of 19-36V DC, LED indicates power-on status
    • integrated DC-DC converter for galvanic isolation between power supply and measuring circuit (very important to avoid ground loops in combination with secondary electronics)
  • Provides a well-regulated power supply for sensor excitation, balanced to ground
  • Coarse and fine adjustments for zero and amplification setting
  • Screw terminal for power and outputs
  • Removable screw terminal plug for the sensor connections

Applications

  • shock or impact testing
  • load test on crash-tests with dummies, seatbelt materials etc.
  • analyzing shock waves in hydraulic systems
  • vibration analysis
  • dynamic testing of materials
  • high dynamic stress measurements on materials and constructional elements

Standard Output

Voltage output Vout (@ Gnom • Usig)
0 to ± 10 V, bipolar, max. 10 mA

Optional Outputs

In standard version the strain gauge amplifier TS621HD offers a voltage output.
The device can be extended by one additional output.
Option D 2nd voltage output, filtered for TS621 / TS621HD
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Option D
2nd voltage output, filtered
  • 0 to ±10V
  • Selectable cut-off frequency
  • 0.5 - 5 - 10 - 20 Hz
  • Setting by DIP-switches
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2nd voltage output with additional amplification (40kHz)
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Option X40
2nd voltage output with additional amplification (40kHz)
  • 0 to ±10V
  • Additional amplification, selectable 2x, 3x, 4x or 5x
  • Filtered (cut-off-frequency 40Khz)
  • Setting by DIP-switches
Option DX 2nd voltage output, filtered with additional amplification for TS621 / TS621HD
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Option DX
2nd voltage output, filtered with additional amplification
  • Additional amplification, selectable 2x, 3x, 4x or 5x
  • Cut-off frequency 0.5 / 5 / 10 / 20 Hz
  • Setting by DIP-switches
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Current output 0/4-20mA (40kHz)
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Option A40
Current output 0/4-20mA (40kHz)
  • Parallel to voltage output Vout
  • Bipolar 0 to ±20mA
  • Unipolar 0 to +20mA
  • Unipolar 4 to +20mA
  • Filtered (cut-off-frequency 40Khz)
  • Setting by DIP-switches
Option AD
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Option AD
Current output 0/4-20mA, filtered
  • Bipolar 0 to ±20mA
  • Unipolar 0 to +20mA
  • Unipolar 4 to +20mA
  • Cut-off frequency 0.5 / 5 / 10 / 20 Hz
  • Setting by DIP-switches
click here to view more information

Specifications

DesignDIN-rail housing for convenient snap-in installation
Accuracy class0.1
Sensors to be connected:
- strain gauge, full bridge
admissible connection impedance
≥ 150 Ω
Bridge excitation voltage
- referenced to ground (GND)
10 ± 0.5% V DC
± 5 V DC
Nominal gain Gnom667
Nominal measuring range Usig± 15 mV
Calibration range referenced to Gnom38% to 100% to 580%
Adjustment range zero @ Gnomfine approx. ± 20% of final value
coarse approx. ± 60% of final value
Input impedance1010 Ω
Cut-off frequency (- 3 dB)approx. 40 kHz
Phase delay (frequency range)< 7.5 µs
max. slew rate Vout2.5 V / µs
max. ringing at surge [2]< 5%
Standard OutputVoltage output Vout (@ Gnom • Usig): 0 to ± 10 V, max. 10 mA
Nominal temperature range0 to 60°C (32 to 140°F)
Operation temperature range0 to 60°C (32 to 140°F)
Storage temperature range-25 to 75°C (-13 to 167°F)
Temperature influence per 10°C
- on zero at amplifier output
- on calibration

< 10 mV (@ Gnom)
< 0.05% of final value
Supply voltage19 to 36 V DC
Power consumptionmax. 3 W
integrated DC-DC converter for galvanic isolation between supply voltage and measurement circuit
Amplifier connectionscrew terminals for flexible cable 0.2 to 2.5 mm2
Sensor connectionplug with screw terminals for flexible cable 0.08 to 1.5 mm2
Dimensions (L x W x H)80mm x 25mm x 95mm (3.15" x 0.98" x 3.74")
Weightapprox. 100g (0.22 lbs)
[2] @ Gnom and 15 mV square wave amplitude input signal (Usig)

fC = Cut-off frequency
Vout = Voltage at standard output
Gnom = Nominal gain
Vout* = Voltage at optional output with select. amplification factor
Usig = Input voltage
Vdout = Voltage at optional damped output

Downloads

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