6
ug/m
3
for more than 50% time of the year, or a concentration of more than 500 ug/m
3
for more than
20% time of the year. The consistency of the sensor may decrease, possibly due to internal dust
accumulation. The data is too high.
7. Important Maintenance Instruction
This device is NOT truly waterproof/ resistant and is for indoor use.
Please keep the device in a dry place. Precipitation, humidity, and all types of liquids or
moisture can contain minerals that corrode electronic circuits. In cases of accidental liquid spills
to a device, please leave the device dry properly before storing or using.
Do not use or store the device in dusty or dirty areas.
Do not use or store the device in extremely hot temperatures. High temperatures may damage
the device or battery.
Do not use or store the device in extremely cold temperatures. When the device warms to its
normal temperature, moisture can form inside the device and damage the device or battery.
Do not drop, knock, or shake the device. Rough handling would break it.
Do not use strong chemicals or washing to clean the device.
Do not paint the device. Paint would cause improper operation.
Handle your device, battery, and accessories with care. The suggestions above help you keep your
device operational. For damaged device, please contact the authorized service center in your area.
8. FCC Statement
The OEM integrator has to be aware of not to providing information to end users regarding how to install or
remove this RF module in the user manual of the end product.The user manual which is provided by OEM
integrators for end users must
Include the following information in a prominent location.
“
To comply with FCC RF exposure compliance requirement, the antenna user for this
transmitter must be
installed to provide a separation distance of at least 20cm from all persons and must not be co-located or operating
in conjunction with any other antenna or transmitter .”
Label for the end product must include “Contains FCC
ID :NRH-ZB-Z100B”or “A RF
transmitter inside,FCC
ID :NRH-ZB-Z100B”.
You are cautioned that changes or modifications not expressly approved by the party responsible for compliance
could void your authority to operate the equipment.
This device complies with Part 15 of the FCC Rules. Operation is to the following two conditions:(1)this device
may not cause harmful interference and (2)this device must accept any interference received, including interference
that may cause undesired operation.
FCC RF Radiation Exposure Statement:
1This Transmitter must not be co-located or operating in conjunction with any other antenna or transmitter.
2.This equipment complies with FCC RF radiation exposure limits set forth for an uncontrolled environment. This
equipment should be installed and operated with a minimum distance of 20 centimeters between the radiator and
your body.
