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Signal isolators receive a 4-20mA process
current inputs and provide an isolated 4-20mA output signal. One multi-channel
units, each channel operates independently and is isolated from the others to
prevent interaction between channels. Galvanic isolation eliminates ground
loops, reduces noise, and blocks transient signals.
Model Number
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Description
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151T |
Transmitter, Loop-Powered Universal Input (TC,
RTD, mV, ohms) • Thermocouple
(J, K, T, E, R, S, B, C, N, U), RTD (Pt, Cu, Ni), -15 to 115mV DC, 4 to
20mA DC |
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Transmitter/Isolator,
Current/Millivolt
Input, Loop-Powered • Multi-range ±20mA or
±500mV input • 4-20mA ouput (sink/source) |
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650T |
651T /
652T: Isolator, Single/Dual Channel •
4 to 20mA DC input • 4 to 20mA DC
output • Output loop powered •
Low cost isolator |
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671T / 672T
/ 674T: Isolator, Single/Dual/Quad Channel •
4 to 20mA DC input • 4 to 20mA DC
output • Input loop powered
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654T |
654T DC Voltage Input
Isolated Transmitter |
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655T 656T |
655T 656 Thermocouple
and MIllivolt Input Isolated Transmitters |
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657T 658T |
657T 658T RTD
Resistance Input Transmitter |
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250T-DC |
250T-DC:
Transmitter, Output Loop Power •
DC voltage or current input • DC
voltage or DC current output •
Excellent accuracy and stability |
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270i |
270i:
Isolator, Input Loop Power •
4-20mA DC input • 4-20mA DC output
• 1500V AC peak isolation DC prevents ground loops |
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340i:
Isolator, DC-Powered • 4 to
20mA DC inoput • 4 to 20mA DC output
• 10-36V DC power • 1500 AC peak
isolation |
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TT236** |
Transmitter/Isolator, Current/Millivolt
Input, DC-Powered •
Multi-range ±20mA or ±500mV input • 4-20mA ouput (sink/source) |
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630T |
631T / 632T: Isolator, Single/Dual Channel •
4 to 20mA DC input • 4 to 20mA DC output
• 15-36V DC SELV, 90-250V AC power |
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TT336* |
Transmitter/Isolator,
Current/ Millivolt Input,
DC Power • Multi-range ±20mA or ±500mV
input • 4-20mA, ±20mA, 0-10V, or ±10V DC |
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330i |
330i:
Isolator, DC-Powered • 4 to
20mA DC input • 4 to 20mA DC output
• 10-36V DC power • Three-way isolation |
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430i |
430i:
Isolator, AC-Powered • 4 to
20mA DC input • 4 to 20mA DC output
• 115V AC or 230V AC power •
Three-way isolation |
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