ES51925
3000 Counts Smart DMM
1.5 Capacitance Measurement
The following table summarizes the eight ranges of capacitance measurement
mode:
Configuration Full Scale Range
Relative Resistor
20kΩVR+100kΩ
20kΩVR+100kΩ
101kΩ
C1
C2
C3
C4
C5
C6
C7
C8
3.000nF
30.00nF
300.0nF
3.000uF
30.00uF
300.0uF
3.000mF*
30.00mF**
10kΩ
R9K / R1K
R9K / R1K
R9K / R1K
R9K / R1K
Note: * & ** The C7-C8 both range is not available for auto scan mode
In order to obtain an accurate reading, a capacitor must be discharged before
measurement begins. The chip has a built-in discharge mode to automatically
discharge the capacitor. In discharge mode, the LCD displays “dIS.C”
Discharging through the chip is quite slow. We recommend users to discharge the
capacitor with some other apparatus.
1.6 Auto power off mode (APO)
1.6.1 Idle Time selection
ES51925 has a default auto power off function. If the meter is idle for more than
the given Idle Time, the chip automatically turns the power off. The idle time to
trigger the auto power off function is determined by pin ‘APOSEL’. If pin
APOSEL is connected to V-, the Idle Time will be set to 3 minutes. If pin
APOSEL is connected to DGND or floating, the Idle Time will be set to 10
minutes. When APO happens, the state of the meter is saved. If the APO is
necessary to be cancelled, power on the ES51925 when any of the push key,
except for HOLD, is pressed down simultaneously.
Ver 2.9
10
10/06/25
CYRUSTEK [ Cyrustek corporation ]
