Dahua HWS1800G-CS Radar Velometer

Radar Velometer User's Manual V1.0.1 - Page 5

For HWS1800G-CS.

PDF File Manual, 83 pages, Download pdf file

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IV
The power and communication port of the Device can sustain a surge of±6 KV in common mode
and±4 KV in differential mode. Extra surge protection is required when the Device is connected
to a circuit with higher surge levels.
To ensure heat dissipation, the gap between the Device and the surrounding area should not be
less than 50 mm on the sides and 50 mm on top of the Device.
A safety circuit breaker is designed on the connector of the Device to cut the power of the
Device. Make sure the breaker can be easily operated during installation.
Only applicable for use in altitudes below 2,000 meters.
Operation Requirements
This is a class A product. In a domestic environment this may cause radio interference in which case
you may be required to take adequate measures.
Make sure that the power supply is correct before use.
Do not unplug the power cord on the side of the Device while the adapter is powered on.
Operate the Device within the rated range of power input and output.
Use the Device under allowed humidity and temperature conditions.
Do not drop or splash liquid onto the Device, and make sure that there is no object filled with
liquid on the Device to prevent liquid from flowing into it.
Do not disassemble the Device.
We recommend you use the Device with a lightning protection device for stronger protection
against lightning. For outdoor scenarios, strictly comply with the lightning protection
regulations.
Protect the line cord and wires from being walked on or squeezed particularly at plugs, power
sockets, and the point where they exit from the Device.
Do not block the ventilation near the Device.
Do not vibrate, squeeze or immerse the Device in liquid.
Ground the function earthing portion of the Device to improve its reliability. The device is a class I
electrical appliance. Make sure that the power supply of the Device is connected to a power
socket with protective earthing.
Prevent water from flowing into the Device during on-site installation to avoid the risk of
damage.
Do not place an open flame on the Device, such as a lit candle.
The device is applicable for DC power supplies with the negative pole grounded.
Replace unwanted batteries with new batteries of the same type and model. To prevent
explosion, replace the battery with the correct model and dispose of the old ones as instructed.
Do not expose the battery to extremely hot environments, such as direct sunlight and fire.
Maintenance Requirements
Clean the Device with a soft dry cloth or a clean soft cloth dipped in neutral detergent.
Use the accessories suggested by the manufacturer. Installation and maintenance must be
performed by qualified professionals.
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