Tonghui TH2827 Series - Function Check; Test Signal Level; Frequency; Measurement Accuracy

TH2827 Series Operation Manual Chapter 7 Command Reference
77
1k
10k
100k
4 Standard inductor
100H
0.02%
1mH
10mH
100mH
5 Frequency counter
（0～1000）MHz
6 Digital Multimeter
0.5％
7 Insulation resistance meter 500V 10 levels
8 Hipot Tester
0.25kW
（0～500）V
6.6.3 Function check
Ensure function keys, displayer and terminal etc. can work normally.
6.6.4 Test signal level
Adjust multimeter in AC voltage range, where one test cable is connected to H
CUR
and the other is connected to ground terminal. Change level as: 10mV, 20mV,
100mV, 200mV, 1V, 2V, the reading should meet the demand of test signal level in
this chapter.
6.6.5 Frequency
Connect frequency meter to ground terminal. The test terminal of the frequency
meter is connected with H
CUR.
Change the frequency as: 20Hz, 100Hz, 1kHz,
10kHz, 100kHz, 200kHz, 300kHz（TH2827A is 300kHz）. The reading of frequency
meter should meet the demand of the test signal frequency in this chapter.
6.6.6 Measurement accuracy
Basic parameters are R, L, C and D，so measurement accuracy is mainly about R,
L, C and D.
6.6.7 Accuracy of C and D
Function C
p
-D
Test frequency 100Hz 1kHz 10kHz 100kHz Test respectively
Level 1V
Range AUTO