ES51932
22,000 Counts Auto DMM
4.6 OPTION 2
0
1
1
UL
PMAX
PMIN
0
BIT 6
BIT 5
BIT 4
BIT 3
BIT 2
BIT1
BIT 0
Under the following conditions, the UL bit will be set to 1.
1. In 22.00Hz range, the input frequency is less than 2.00Hz.
2. In 220.0Hz range, the input frequency is less than 20.0Hz.
3. In duty cycle mode, the reading is less than 10.0%.
If PMAX field is 1, PMAX is active and LCD panel display maximum peak value.
If PMIN field is 1, PMIN is active and LCD panel display minimum peak value.
4.7 OPTION 3
This packet contains information on the operation mode of the meter. The format is
shown below. The DC field indicates that the meter operates in DC measurement mode,
either voltage or current. The AC field indicates that the meter operates in AC
measurement mode, either voltage or current. The AUTO field is set to one if the meter
operates in automatic mode, and is set to zero when the meter operates in manual mode.
0
1
1
DC
BIT 3
AC
BIT 2
AUTO VAHZ
BIT 1 BIT 0
BIT 6
BIT 5
BIT 4
4.8 OPTION4
This packet contains information on the operation mode of the meter. The format is
shown below. VBAR will be set to high, only when the VBAR pin is connected to V-.
Hold bit is set to high when meter enters hold mode. The default value of LPF0/LPF1
bit are all “HI”. When the low-pass-filter feature is activated, the 3dB BW status is
shown in the table below.
3dB BW
Full
10kHz
1kHz
LPF1
LPF0
0
0
1
1
0
1
0
1
LPF off
0
1
1
Hold
BIT 3
VBAR
BIT 2
LPF1
BIT 1
LPF0
BIT 0
BIT 6
BIT 5
BIT 4
Ver. 1.2
24
10/05/27
CYRUSTEK [ Cyrustek corporation ]
