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VH400 - Low-Cost Soil Moisture Sensors Quick view

Reference: VH400-2M

Brand: VEGETRONIX

VH400 - Low-Cost Soil Moisture Sensors

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VH400 Soil Moisture Sensor Probe Specifications Power consumption: < 13mA Supply Voltage: 3.5V to 20 VDC. Dimensions See drawing. Power on to Output stable: 400 ms Output Impedance: 10K ohms Operational Temperature: -40ºC to 85ºC Accuracy at 25°C: 2% Output: 0 to 3V related to moisture content Shell Color: Red Voltage Output Curves: Curves, Piecewise...
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M&J UA-002-64 HOBO Pendant Temperature/Light 64K Data Logger Quick view

Reference: UA-002-64

Brand: ONSET

UA-002-64 HOBO Pendant Temperature/Light 64K Data Logger

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A miniature, value-priced, waterproof data logger for temperature and light monitoring applications; stores 52K measurements.  IMPORTANT INFORMATION Requires HOBOware software and either an Optic USB Base Station or a HOBO Waterproof Shuttle (U-DTW-1). HOBOware Pro is required when using the HOBO Waterproof Shuttle. See compatible items below.
Price €100.00
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Platinum on Vulcan - Carbon Paper Electrode 0.5 mg/cm² 60%
  • Platinum on Vulcan - Carbon Paper Electrode 0.5 mg/cm² 60%

11060024 Platinum on Vulcan - Carbon Paper Electrode 0.5 mg/cm² 60%

11060024

The standard low-cost electrode utilizing a carbon fiber paper substrate and a 60% Platinum on Vulcan Carbon support catalyst.  This low loading is designed for cost sensitive applications and is suitable for electrochemical systems needing low amounts of Platinum to support the reaction.  This electrode is perfect for Hydrogen/Air Fuel Cell applications where the extra cost of the higher loading GDE may not be justified. The Gas Diffusion Layer (GDL) used is Sigracet 22 BB which is 215 microns thick. Other GDL materials are also available by custom request, as are custom sizes and loadings.

Includes a Nafion Post Coat for improved water management and adhesion to the membrane.

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Description

Catalyst Type:  60% Platinum on Vulcan (Carbon)
Loading:  0.5 mg/cm²
Gas Diffusion Layer Properties
Material Type:  Carbon Fiber Paper - Sigracet 22 BB
Thickness:  215 microns +/- 20 microns
Basic Weight (g/m²):     70 +/- 15 g/m²
Thermal Conductivity:  0.30 W(m^-1)(K^-1)
Bending Stiffness (MD/TD):  1.5 / 0.9 N mm
Electrical Resistivity (through plane):  < 10 mΩcm² (milliohms cm²)
Water Contact Angle (MPL):  > 130°
Roughness (MPL side):  7.2 µm
Impurities (Fe, Co, Ni):  < 10 ppm
Tensile Strength: 6.9 / 4.6 (MD/TD)
Substrate PTFE Treatment:  5 wt%
Microporous Layer:  Yes, on catalyzed side

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11060024
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