Magnelab Mini AC Current Transformer (CT) Connection Instructions
For use with HOBO
®
H22, U30, and RX3000 Series Data Loggers
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14255-D MAN-MINI-CT-x
Applies to these Magnelab CTs
Onset Part No.
Rated Current
Output
Magnelab Part No.
T-MAG-0400-05
5 Amps
0-333mV AC representing 0 to 5 Amps AC
SCT-0400-005
T-MAG-0400-20
20 Amps
0-333mV AC representing 0 to 20 Amps AC
SCT-0400-020
T-MAG-0400-50
50 Amps
0-333mV AC representing 0 to 50 Amps AC
SCT-0400-050
T-MAG-0400-75
75 Amps
0-333mV AC representing 0 to 75 Amps AC
SCT-0400-075
DANGER!
—HIGH VOLTAGE HAZARD
Installing CTs in an energized electrical enclosure or on any energized conductor can result in severe injury or death. These CTs
are for installation by qualified personnel only. To avoid electrical shock, do not perform any installation or servicing of these CTs
unless you are qualified to do so. Disconnect and lock-out all power sources during installation and servicing.
This document provides instructions on connecting the Magnelab CTs listed above to the
FlexSmart
™
TRMS Module used with either HOBO H22, U30, or RX3000 series data
loggers. It also lists configuration values used by HOBOware
®
software to configure the
logger for each CT.
Required
•
Selected Magnelab CT
•
HOBO H22, U30, or RX3000 series data logger
•
FlexSmart TRMS Module, Onset Part No: S-FS-TRMSA (for H22 series only) or
S-FS-TRMSA-D (for H22, U30, or RX3000 series)
•
HOBOware software, version 2.2.1 or higher (2.4.0 or higher for U30 series)
•
HOBOlink (for RX3000 series)
Dimensions
Dimensions
A
3.962 cm (1.56 in.)
B
2.54 cm (1.00 in.)
C
1.016 cm (0.40 in.)
D
2.54 cm (1.00 in.)
E
2.667 cm (1.05 in.)
Magnelab Mini AC
Current Transformer
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