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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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VH400 - Low-Cost Soil Moisture Sensors Quick view

Reference: VH400-2M

Brand: VEGETRONIX

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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...
From Price €78.00
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  • PAYMENT METHODS

    PAYMENT METHODS
BLK - GLD sticker series MYJ
  • BLK - GLD sticker series MYJ
  • BLK - GLD sticker series MYJ
  • BLK - GLD sticker series MYJ
  • BLK - GLD sticker series MYJ

BLK - GLD sticker series

BLK - GLD

Black and gold stickers for measuring convective and radiative heat flux separately

Want to study energy transport / heat flux in detail? Hukseflux helps taking your measurement to the next level. Simply provide your heat flux sensors with radiation-absorbing black and radiation-reflecting gold stickers. You can then measure convective + radiative flux with one, and only convective flux with the other. Subtract the two measurements and you have radiative flux. BLK and GLD stickers are available for sensor models FHF05 series and HFP01. They are designed to be applied by the user to the sensor; see the user manual and installation video for instructions.

Quantity

Description

Specifications

Measurand
convective and / or radiative heat flux
BLK
:
Measurand
convective and radiative heat flux
Spectral range (UV-VIS-NIR-FIR) 
250 to > 10000 x 10⁻⁹ m
Absorption over range
> 95 %
Rated temperature range - continuous use 
-40 to +150 °C*
Rated temperature range - short intervals 
-40 to +260 °C*
GLD
:
Measurand
convective heat flux
Spectral range (NIR-FIR)
700 to > 10000 x 10⁻⁹ m
Reflection over range
> 95 %
Spectral range (VIS) 
400 to 700 x 10⁻⁹ m
Reflection over range
> 80 %
Solar absorption
< 20 %
Rated temperature range - continuous use 
-185 to +150 °C*
Rated temperature range - short intervals 
-185 to +260 °C*
Working with BLK – GLD sticker series
:
Effect on sensor sensitivity
negligible
Application on sensor
by user or at factory see user manual and instruction video
Versions and order codes
:
GLD for use with FHF05(SC)
GLD-10X10, GLD-15X30, GLD-50X50 (SC), GLD-15X85, GLD-85X85 (SC)
BLK for use with FHF05(SC): 
BLK-10X10, BLK-15X30, BLK-50X50 (SC), BLK-15X85, BLK-85X85 (SC)
GLD for use with HFP01: 
GLD-80
BLK for use with HFP01:
BLK-80
*
See also the rated temperature ranges in the sensor user manuals

Description

Heat flux measurement is a powerful tool for gaining insight into processes involving thermal energy. Heat flux consists of conductive, convective and radiative flux. When measuring heat flux, users may wish to measure only radiative heat flux or only convective heat flux. This is now possible with the BLK – GLD sticker series, designed for use with a wide range of our market-leading heat flux sensors. The black BLK absorbent stickers will absorb all radiation and are sensitive to both radiative and convective heat flux, while the gold GLD reflective stickers reflect all radiation and are sensitive to only convective heat flux. The combination of BLK and GLD, applied to two independent heat flux sensors, will allow radiative heat flux measurements:

Φ radiation + convection = Φ BLK

Φ convection = Φ GLD

Φ radiation = Φ BLK - Φ GLD

The BLK – GLD adhesive series has unique features and advantages:

allows for convective and radiative heat flux measurements
available as an accessory for the FHF05(SC) and HFP01 series heat flux sensors
designed to be applied by the user (see also the instruction video on our YouTube channel)

BLK – GLD adhesives are designed to be applied by the user, but can optionally also be pre-applied at the factory. Applying an adhesive to a heat flux sensor does not change the sensitivity of the sensor, so no additional calibration is required. Thanks to the reliable measurement technology behind our heat flux sensors, separating convective and radiative heat flux has never been easier.

Working principle of the BLK – GLD stickers: Sensors equipped with black absorbing stickers will absorb all radiation, while the gold reflective stickers will reflect all radiation. Both stickers are sensitive to convective heat flux. The image shows the FHF05 heat flux sensor with the black BLK-50X50 sticker and the gold GLD-50X50 sticker.

Suggested use

For heat flux measurement, users may wish to measure only radiative or only convective heat flux. This is now possible with the BLK – GLD sticker series, designed for use with a wide range of our market-leading heat flux sensors. The BLK – GLD stickers are designed to be applied by the user, but can optionally also be pre-applied at the factory. See also the instruction video of the application procedure on our YouTube channel.

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BLK - GLD
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