Operation manual of TH2685/TH2686 Electrolytic Capacitor Leakage Current Meter
5
3. Instruction of panel function
Label
Name of key
Function
1
Brand and model
2
Leakage current
display window
Display the value of measured leakage current adopting 3
1/2 digit display, the unit includes nA
，
μ
A
，
mA
3
Test voltage display
window
Display the value of measured voltage adopting 3digit
display
4
Sorting indication
When the leakage current value of tested capacitor is
smaller than the set one.
，
PASS indicator lights up
；
where
as, FAIL indicator lights up with alarm indication.
5
Leakage current
setting switch
The value is the qualified-setting leakage current value.
When the tested leakage current value is smaller than the
set one, it means the product is qualified, whereas is
unqualified. There are 3 digits of diver plate value with
format of AB
×
10
n
nA
，
if the setting is 324
，
the set leakage
current value is 32
×
10
4
nA=320
μ
A
6
Charge time setting
switch
There are 3 digits of diver plate value with format of ABC
×
0.1 s
，
if the setting is 324
，
then the charge time is 324
×
0.1=32.4s
。
the charge of tested capacitor is performed
automatically according to the setting of drive plate
，
when
the charge finishes, the instrument turns to the
measurement status automatically.
7
Voltage
transformation key
TH2685 can be selected to 75V or 200V bin freely
，
and TH2686 can be selected to 200V or 5 00V bin
8
Correction key
Zeroing status
：
Zeroing indicator lights and the instrument
can be performed to open correction. After pressing start,
the instrument performs 5 bin open correction, when the
correction finishes press correction key, and the instrument
returns to the measurement status.
9
Lock key
Locking
：
Locking indicator lights now and the display data
is the Max. value of capacitor leakage current when the
charge finishes.
Unlocking
：
The display data is the actual tested value of
capacitor leakage current under the current status.
10
Discharge key
On the status of charge
：
Press discharge key to perform
discharge on the tested capacitor.
On the status of measurement
：
Press discharge key to
perform discharge on the tested capacitor.
On the status of discharge: Press discharge key to perform
discharge on the tested capacitor.
11
Start key
On the status of correction
，
start key to perform open
correction on the instrument.
On the status of discharge, start key to perform
