Data Harvest EASYSENSE V-Hub, Справочное руководство, Страница: 8 / 15

EASY SENSE V-Hub Reference Manual DO260 (2)

Data Harvest Group Ltd, 2017
8
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.
110 mm
92 mm