ES51983
3 3/4 AUTO DMM
OVSG
100
ACV
OR1
1K
10K
101K
1.111M
VR5
VR4
2.2u
+
VR3
VR2
+Vs
14
13
12
11
10
9
1
2
3
4
5
6
7
TEST5
ACVL
-Vs
4.7u
ACVH
150
8
10K
+Vs
500K
-Vs
2.2u
+
ADI
ADO
AGND
22k
1k
1.2 Resistance Measurement
A reconfigurable divider automatically provides a suitable full scale range in resistance
measurement mode. The following table summarizes the full scale ranges and the
reference resistors in each configuration.
Configuration
OR1
Full Scale Range
400.0Ω
Divider Ratio
Resister Connection
R6
R5
100Ω
1KΩ
OR2
4.000KΩ
OR3
OR4
40.00KΩ
400.0KΩ
R4
R1‖ R3
10KΩ
100KΩ
OR5
OR6
4.000MΩ
40.00MΩ
1MΩ
R1‖ R2
R1
10MΩ
1.3 Current measurement
Current measurement has three modes. The following table summarizes the full scale
range of each mode.
Mode
Range Selection
Full Scale
Automatic Mode 1
400.0µA / 4000µA
µA
mA
A
Automatic Mode 2
Automatic Mode 3
Manual Mode
40.00mA / 400.0mA
40.00A / 4.000A
40.00A
A
1.4 Continuity Check
7
11/01/05
CYRUSTEK [ Cyrustek corporation ]
