User Manual

MCR METER Manual
2
Chapter 1 Instrument inspection and preparation
Please be sure to check the receipt of the instrument, and must understand and have the
condition before using the instrument.
1.1 The crates
 After receiving the product, it is found that the packing is badly damaged. Please keep it until
it is normal for the whole machine and the accessories.
 Check the machine, if the instrument is damaged, please contact the dealer or the company
in charge of the business.
 Please check the attachment, please check the attachment according to the packing list, if
the attachment is missing or damaged, please contact your dealer or division to protect your
rights and interests.
1.2 Power connection
（1） Power supply voltage range：
100 ～ 120 Vac（The power supply of the instrument rear panel is selected as 110V display）
198 ～ 242 Vac（The power supply of the instrument rear panel is selected as 220V display）
（2） Frequency range of power supply：47 ～ 63 Hz。
（3） Power supply range：>= 30 VA。
（4） Wire-L、Wire-N、Groud-E should be the same as the power plug of
the instrument.
The instrument has been carefully designed to reduce the interference caused by the input
of the AC power supply side, but still should try to make it in low noise environment, if you
can not avoid, please install the power filter.
Warning: in order to prevent leakage of equipment or artificial damage, the user must
ensure that the power supply to the earth ground reliable.
1.3 Fuse and toggle switch
Instrument factory has been equipped with a fuse, the user should use the company
equipped with a fuse.
Warning: you should pay attention to the position of the toggle switch is consistent with the
power supply voltage range of power on before.
1.4 Environmental requirements
（1）Please do not use in the dust, vibration, direct sunlight, corrosive gases, such as the use of
bad environment.
（2）Instrument is not used for a long time, please put it in the original packing box or similar to
the box in the reservoir is 5 to 40 DEG C temperature, relative humidity is not more than
85% RH of the indoor ventilation, air should not contain harmful impurity in corrosion
measurement instrument and should avoid direct sunlight.
（3）Please ensure that the instrument is in good ventilation condition, do not plug the
instrument cooling and ventilation holes.
（4）In particular, the instrument is connected with the test wire of the test piece to be far away
from the strong electromagnetic field, so as not to interfere with the measurement.
1.5 Test fixture requirements
Please use the company's test fixture or test cable, the instrument test fixture or test cable
should be kept clean, the test device pin to keep clean, to ensure that the test device and the fixture