Z201200-0G
Page 3 of 4
06132
Alta Labs, Enercept, Enspector, Hawkeye, Trustat, Aerospond, Veris, and the Veris ‘V’ logo are trademarks or registered trademarks of Veris Industries, L.L.C. in the USA and/or other countries.
Other companies’ trademarks are hereby acknowledged to belong to their respective owners.
Installation Guide
Current Sensors
H421/H421SP
TM
Wiring
Output is not polarity sensitive. 12-30 VDC external power needed.
Example 1: External Power
Zero
Out
Span
1000 2400
DDC
CONTROLLER
Power Supply
AI
Example 2: Powered by the controller
Zero
Out
Span
1000 2400
DDC
CONTROLLER
AI
V(COM)
4-20mA
Scaling
0 10 20 30 40 50 60 70 80 90 100%
LOAD CURRENT
% of Set Span
SENSOR
OUTPUT
20mA
4mA
www.
GlobalTestSupply
.com
Find Quality Products Online at:
