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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.
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Quattro Fuel Cell H2/O2/Air
  • Quattro Fuel Cell H2/O2/Air

Quattro Fuel Cell H2/O2/Air

12120031

Quattro Fuel Cell H2/O2/Air

This Proton Exchange Membrane (PEM) fuel cell produces electricity by using hydrogen and oxygen gas (or atmospheric oxygen).  Its only by-products are water and heat.

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Description

H-TEC's Quattro Fuel Cell H2/O2/Air can be operated in two modes: (1) Hydrogen and Oxygen and (2) Hydrogen and Air.

With the Quattro Fuel Cell H2/O2/Air, you have the option of operating the cell in air-breathing mode (Hydrogen and Air mode) simply by removing the stopper.  When operating with atmospheric oxygen (air), the power of the cell is somewhat lower than when operating with pure oxygen (Hydrogen and Oxygen Mode).  When dealing with larger fuel cell systems running your fuel cell on Atmospheric Oxygen (Air) versus pure Oxygen allows for an easier and cheaper overall operation!

Quattro Fuel Cell H2/O2/Air, F105 - Technical Specifications:
• Power in Fuel Cell H2/O2 Mode: 2 W
• Power in Fuel Cell H2/Air Mode: 600mW
• Dimensions (H x W x D): 2.5" x 2.4" x 2.5" (62 x 60 x 62 mm)
• Weight: 2.6 oz (78 g)

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12120031
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Reference: 12120030

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