© PCE Instruments
12
5.4.3
24V power supply connection for measuring loop current
•
Insert the test leads into the V and mA input jacks
（
INPUT
）
of the device as shown in
Figure 5.5.
•
The key-operation is the same as that of the DC current measurement.
MAX
30V
30V
MAX
MAX
30V
INPUT
OUTPUT
COM
mA
V
+LOOP
XMT
+mA-
+
Transmitter
Figure 5.5
24V power supply connection
6
Performance Index
Output Performance Index (applicable to temperature range from 18
℃
to 28
℃
, within one year
after calibration)
Output
Range
Output
Range
Resolution
Accuracy
Remark
DCA
20mA
0.000
～
22.000mA
0.001mA
±0.05% set
value
±4uA
Max. load
1KΩat 20mA.
Simu-transmitter
(absorption current)
-
20mA
0.000
～
-
22.000mA
0.001mA
±0.05% set
value
±4uA
Max. load
1KΩat 20mA.
Note: power
supply range:
5
～
25VDC
Loop Power Supply
24V
10%
Max. output
current up to
25mA.
Input Performance Index (applicable to temperature range from 18
℃
to 28
℃
, within one year
after calibration)
Input
Range
Output
Range
Resolution
Accuracy
Remark
Voltage
28V
-0.200
～
28.000V
1mV
±0.02%
reading±2mV
Input resistance
about 1MΩ
Current
20mA
-1.000
～
22.000mA
0.001mA
±0.02%
reading±4uA
resistance about
20Ω
Loop
Current
20mA
0.000
～
22.000mA
0.001mA
±0.02%
reading±4uA
providing 24V loop
power
