Instructions

11.3.1.2 Emission Testing
The instrument fulfills the limit requirements for Class A equipment but does
not fulfill the limit requirements for Class B equipment. The instrument was
not designed to be used in domestic establishments.
11.3.2 Low Voltage Directive (Safety)
In order to comply with the European Low Voltage Directive (73/23/EEC),
Hart Scientific equipment has been designed to meet the IEC 1010-1 (EN
61010-1) and the IEC 1010-2-010 (EN 61010-2-010) standards.
11.3.3 RF Certification
The 1620A Thermo-Hygrometer may contain a radio transceiver as an option
that can be used for wireless communications. The transceiver operates in the
2.4 GHz frequency band with a maximum transmitting power of 1 mW. The
transceiver generates and radiates RF signals only when the RF device is en-
abled and is requested to transmit by command from a remote modem (see Sec-
tion 7.5.3.2). The transceiver has been tested and certified for use in various
areas worldwide.
11.3.3.1 United States
The transceiver used in the 1620A Thermo-Hygrometer has been approved for
use in the United States by FCC Part 15 certification, FCC ID: OUR-XBEE.
The following statement accompanies the device:
“Contains FCC ID: OUR-XBEE
The enclosed device complies with Part 15 of the FCC rules. Operation is sub-
ject to the following two conditions: (1) this device may not cause harmful in-
terference and (2) this device must accept any interference received, including
interference that may cause undesired operation.”
This equipment has been tested and found to comply with the limits for a Class
B digital device, pursuant to Part 15 of the FCC Rules. These limits are de
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signed to provide reasonable protection against harmful interference in a resi
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dential installation. This equipment generates, uses and can radiate radio
frequency energy and, if not installed and used in accordance with the instruc
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tions, may cause harmful interference to radio communications. However, there
is no guarantee that interference will not occur in a particular installation.
If this equipment does cause harmful interference to radio or television recep
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tion, which can be determined by turning the equipment off and on, the user is
encouraged to try to correct the interference by one or more of the following
measures: Re-orient or relocate the receiving antenna, increase the separation
between the equipment and receiver, connect equipment and receiver to outlets
on different circuits, or consult the dealer or an experienced radio/television
technician for help.
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11 Troubleshooting
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