Applent Instruments AT824, Руководство пользователя, Страница: 23 / 52

23 [MEAS DISPLAY] Page
Frequency Accuracy: 0.02%
Tips
120 Hz accurate frequency is 120.048 Hz, frequency accuracy is
0.05%
USB Command: FREQ <100|120|1k|10k|100k>

Procedure of setting test frequency:
Step 1 Press[MEAS]key to enter <MEAS DISPLAY> page
Step 2 Use the cursor key to select[FREQ]field
Step 3 Select the frequency by soft key
4.1.3 Impedance Range [RANGE]
Table 4-4 Auto Range and Range Hold
Range Pros Cons
Auto Automatically
select the best range acc
ording to impedance
Range is automatically
set.
Very
convenient
Test speed is slower
than manual ranging,
especially in lower
frequencies (100Hz
and 120Hz)
Hold The instrument will
always use
the user-specified range
Highest speed Set the range
previously
Five Range: 30
Ω ,100 Ω , 1k Ω , 10k Ω and 100k Ω 。
Table 4-5 Range No
Range No. Range Measurement Range
4
10 Ω 0 Ω ～ 100 Ω
3
100 Ω 100 Ω ～ 1k Ω
2
1k Ω 1k Ω ～ 10k Ω
1 10k Ω
10k Ω
～
100k Ω
0
100k Ω 100k
Ω
～
∞

Procedure of setting the range:
Step 1 Press [MEAS] key to enter <MEAS DISPLAY > page
Step 2
Use the cursor key to select [RANGE] ；
Step 3 Auto Auto ranging
Hold Current range is hold