Campbell Scientific VDIV10.1 and VDIV2:1 Voltage Dividers - Manual (Page 6)

VDIV10.1, VDIV2.1 Voltage Divider Terminal Input Modules
H
L
or G
H
L
G
90 k
Ω
10 k
Ω
90 k
Ω
10 k
Ω
FIGURE 2-1. Voltage Divider Module Schematic
2.2 VDIV2.1
2:1 Resistive Divider
Resistors
10 k
Ω/10 kΩ
Ratio Tolerance @ 25
°C
±0.02%
Ratio Temperature
coefficient
2 ppm/
°C
Power rating 0.25 W
Maximum Input Voltage 10 volts
3. Wiring
Each voltage divider module may be used to measure one differential voltage
(Figure 3-1) or two single-ended voltages (Figure 3-2).
Datalogger
H
L
AG or
G or
Shield
SENSOR
H Output
L Output
H
L
G
FIGURE 3-1. Wiring for Differential Voltage Measurement
2