Data Harvest EASYSENSE V-Hub Podręcznik referencyjny - Strona 8
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EASYSENSE V-Hub Reference Manual
If V-Hub is accepting power from the USB port or Wi-Fi or Bluetooth connected it will not operate auto
switch off.
Hard Reset
If V-Hub fails to respond to the computer or a button press, carry out a hard reset.
If necessary attach V-Hub to power.
Press and hold down the button for about 10 seconds until the word V-Hub is displayed then release.
If V-Hub still fails to respond contact Product Support at Data Harvest.
Please provide details of:
The computer platform it is being used with.
The software version number.
Its firmware number and serial number. (With the cursor pointing at About, press the button until this
option highlights then release. Use a short press to exit).
A description of the problem being encountered
If possible, telephone from a location where you can operate V-Hub with the computer.
Specifications
V-Hub
8
only: 4 built-in sensors (Light, Sound, Humidity, Air Pressure)
4 Smart Q sensor inputs
Timing inputs A & B
12 bit analogue sampling resolution
Digital timing accuracy: 3.2 µs
Fastest logging speed (per channel): 50,000 samples per second [20 microsecond (µs) between
samples (50 kHz)]
Firmware upgradeable
USB communication to PC V1.1 & V2.0 compatible
Power specifications: 5 V at 500 mA or more from USB, or 1 A or more from charger
Rechargeable battery pack: Lithium-ion 3.7 V, 1300 mAh
Operating range: 0 - 40˚C and 0 to 95% RH (non-condensing).
Graphical LCD display (approx. 17 mm high x 41 mm wide).
Weight of V-Hub (logger only): approx. (166g + 7 g Wi-Fi version)
External dimensions of V-Hub: approx. Height 92 mm x Width 110 mm
x Depth 34 mm.
Pack size: approx. Height 160 mm x Width 230 mm x Depth 55 mm.
Weight 435 g + 7 g Wi-Fi version
Bluetooth
Bluetooth 4.2 low energy radio, single mode compliant
Transmit (TX) power: 0 dBm
Receiver (RX) sensitivity: - 90 dBm
Usable transmission range: up to 10 m in open air
Frequency Range: 2.402 to 2.480 GHz operation
Wi-Fi
V-Hub Wi-Fi is a wireless enabled data logger. It is classed as a mobile device and has a usable
transmission range of 0.2 m to 10 m in open air.
Data Harvest Group Ltd, 2017
8
DO260 (2)
92 mm
110 mm