Ref: DA70

Screw-on strain sensor - 300 µm/m - IP65 - optional amplifier

  • Type: strain sensor;
  • Measuring range : 300 µm/m
  • Signal output: 1,5mV/V, 0-10V, 4-20mA
  • dimensions: 78mm x 40mm x15mm;
  • material: tool steel, zinc-plated;
  • connection: 5m 2 x 2 x 0,25 PUR;
  • weight: 250 g
  • Mounting : 2 bolts M10
  • Operating temperature: -20 / +85 °C
  • Voltage input: 1 à 10 VDC

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Introduction

The strain sensor DA70 is suitable for strain and force measurement on machine elements under rough conditions. The strain on the surface of the constructional element is measured by the strain sensor due to the bolted-assembly.

The connection cable is protected by a non-crushable spiral tube. The temperature behavior and conversion factor depend on the geometrical and material pairing of sensor and component. The sensor is calibrated by subjecting the component to a known force.

The measuring range is 300µm/m. The strain gage is wired as quarter bridge. Rated output is 1,5mV/V. The operating temperature range is -20 à +85°C. The excitation voltage ranges 1 to 10 VDC (nominal : 5VDC). Available with embedded amplifier with 4-20mA and 0-10VDC output in option

Specifications

Model Output Offset Voltage input
DA70 non amplifié / 1,5mV/V 0 mV/V 1..10VDC
DA70e 0-10 0-10 VDC 0V 14..30VDC
DA70e 0-10-5 0-10 VDC 5V 14..30VDC
DA70e 4-20 4-20mA 4mA 14..30VDC
DA70e 4-20-12 4-20mA 12mA 14..30VDC

Dimensions

Installation

Installation is done quite simply by screwing the sensor with 2 screws M10 on an even material surface.

The DA70e onboards an integrated electronic GSV-15L which provides an output signal 0-10V or 4...20 mA proportional to the applied force on the constructional element. The electronic GSV-15L offers a digital input for automatic zero adjustment, a digital input for autoscale and a digital output as threshold switch. The Scaling can be completed at part load (5% steps)

Applications

The areas of application are, for example:

  • force monitoring in agricultural and construction machinery
  • fill level measurement
  • strain data acquisition on machine elements.
Type
strain sensor
Measuring Range
300 µm/m
Precision (max error)
1 %
Temperature Compensated Range
-10 to 60 °C
Température de fonctionnement
-20 to 85 °C
Analog output signal
0-10 VDC, 4-20 mA, non-amplifié
Résistance du pont
350 Ω
Tension d'alimentation
10 Vcc
Measurement direction
Traction & Compress.
Surcharge
150 %PE
Housing
Steel
Protection Class
IP65
Measuring Range (Force)
< 1000µε
Application
OEM, low cost

  • Amplifier
  • cable
  • Mounting kit
  • Display
  • Wireless data acquisition

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