external heat source.
How the Sensor Works
Go Direct Static Charge is an extremely high impedance voltage sensor with a 0.01 μF capacitor in
series with the input. The capacitor will accumulate charge until the source’s voltage is reached, i.e.
equilibrium is achieved. Small amounts of charge can be measured even though their initial potential
is higher than the input range of the sensor. The input circuit also includes a 1 MΩ resistor in series
with the capacitor to protect the unit from large current surges. When connected by USB to a computer
or to a data-collection interface connected to AC power, the negative polarity (black) input wire is
grounded to Earth.
Troubleshooting
For additional troubleshooting and FAQs, see www.vernier.com/til/9652
Repair Information
If you have followed the troubleshooting steps and are still having trouble with your Go Direct Static
Charge, contact Vernier Technical Support at support@vernier.com or call 888-837-6437. Support
specialists will work with you to determine if the unit needs to be sent in for repair. At that time, a
Return Merchandise Authorization (RMA) number will be issued and instructions will be communicated
on how to return the unit for repair.
Accessories/Replacements
Warranty
Warranty information for this product can be found on the Support tab at
www.vernier.com/gdx-q
General warranty information can be found at www.vernier.com/warranty
Disposal
When disposing of this electronic product, do not treat it as household waste. Its disposal is subject to
regulations that vary by country and region. This item should be given to an applicable collection point
for the recycling of electrical and electronic equipment. By ensuring that this product is disposed of
correctly, you help prevent potential negative consequences on human health or on the environment.
The recycling of materials will help to conserve natural resources.
For more detailed information about recycling this product, contact your local city office or your
disposal service.
Battery recycling information is available at www.call2recycle.org
Do not puncture or expose the battery to excessive heat or flame.
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