The strain gauge was linked to the pneumatic circuit, which included a constant pneumatic resistor Rc (Teflon tube, inner diameter = 0.2 mm) and pressure sensors (015PDAA5, Honeywell, 15 PSI Differential 5 V) for measuring the supply pressure Psupply and pressure inside the pneumatic strain gauge Pgauge. The pressure sensor data were recorded with a data acquisition device (USB-6356, National Instruments). For tensile tests, the soft pneumatic strain gauge was clamped from its ends to a mechanical tester (TA.XT Plus, Stable Micro Systems, Fig. 1f ). For the compression tests, the strain gauge was placed below the spherical probe (TA-18A, 3/4” diameter ball, Stable Micro Systems, Fig. 3e ). The overall measurement setup in shown in Supplementary Fig. 12a .
015pdaa5
Manufactured by Honeywell
The 015PDAA5 is a laboratory equipment product manufactured by Honeywell. It is designed to perform specific functions within a controlled laboratory environment. The core function of this product is to provide accurate and reliable data measurements. No further details about the intended use or interpretation of this product's capabilities are provided.
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Lab products found in correlation
2 protocols using 015pdaa5
1
Soft Pneumatic Strain Gauge Characterization
2
Vascular Phantom for Cerebrovascular Procedures
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Polyvinyl chloride (PVC) tubing that replicates the vascular anatomy from the femoral endovascular access point to the ICA was fabricated and used to connect the syringe pump to the cerebrovascular phantom (Fig. 2B). The tubing was heat treated and formed to a planar geometry that mimicked the tortuosity and diameters of the human vasculature: femoral and iliac artery (9.5-mm inner diameter [ID]); aorta (19.1-mm ID); brachiocephalic artery (12.7- mm ID); and carotid artery (6.4-mm ID). In addition, 4 variable-flow resistors and a segment of compliant latex tubing were added to the inlets and outlets of the vascular anatomy, respectively, to adjust the flow pressure and pulsatility. Systolic and diastolic pressures were calibrated by adjusting the variable-flow resistors and the length of flexible soft latex tubing. The latex tubing can also dampen the pressure pulsatility created by the pump. Pressures were calibrated to those recorded clinically with patients in a supine position. Pressure was measured proximal to the ICA by using a differential pressure sensor (model 015PDAA5; Honeywell).
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