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power input. However, it should be used in low noise environment as far as possible. If
unavoidable, install power filter.
(5)If the instrument is not used for a long time, please put it in the original packing box or similar
box and store it in the ventilation room with the temperature of 5
℃
～
40
℃
and the relative
humidity of not more than 85% RH. Air should not contain harmful impurities in the corrosion
gauge, and direct sunlight should be avoided.
(6)Instruments, especially those connected with the tested parts, should be far away from strong
electromagnetic fields, so as to avoid interference with measurement.
1.5 Use test fixture
Please use the test fixtures or cables provided by our company, user-made or other company's test
fixtures or test cables may result in incorrect measurement results.The instrument test fixture or
test cable should be kept clean, and the pins of the device under test should be kept clean to ensure
good contact between the device under test and the fixture.Connect the test fixture or cable to
Hcur, Hpot, Lcur and Lpot of the front panel of the instrument.For the tested parts with shielding
shell,The shielding layer can be connected to“┴”of the instrument.
Note: when the test fixture or test cable is not installed, the instrument will display an unstable
measurement result.
1.6 Preheat
(1)To ensure accurate measurement of the instrument, the warm-up time should be no less than 15
minutes.
(2)Please do not switch the instrument frequently, so as to avoid the confusion of internal data.
1.7 Other characteristics of instrument
(1)Power consumption: power consumption≤80VA.
(2)Size (W*H*D):235(w)*105(H) *360(D)
；
(3)Upper frame size(W*H*D):215(w)*88(H)*335(D)
；
(4)Weight:about 3.6kg
；
Chapter two Summary
This chapter describes the basic operation characteristics of JK2817N/2811B series
instruments.Read this chapter carefully before using the JK2817N/2811B series of instruments so
that you can quickly learn how to operate JK2817N/2811B
2.1 Front panel specification
Figure 2-1 gives a brief description of the JK2817N/2811B front panel.
Содержание JK2817N
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