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FULL
DESCRIPTION |
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The 5B34 is a single-channel signal conditioning module that
amplifies, protects, filters, linearizes and isolates a wide variety of two-
and three-wire RTDs. For true four-wire RTD measurements please refer to the
5B35 section. Two identical sources provide excitation current for the RTD.
For three-wire RTDs, the second current flows through the third RTD lead so
as to cancel the effects of (equal) lead resistance; this current also flows
through a stable resistor laser-trimmed to the RTD value that sets the differential
amplifier input and (module) output to zero volts at that scale point. The
current sources and the amplifier input are protected to withstand input overvoltage
up to 240 V rms. Internal multi-pole lowpass filtering with a four-Hz cutoff
(-3dB)enhances normal-mode (noise on signal) and common-mode (noise on signal
return) rejection at 50/60 Hz, enabling accurate measurement of small signals
in high electrical noise. |
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ACCESSORIES |
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TYPE |
PART
NUMBER |
DESCRIPTION |
PRICE |
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Cable |
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Cable from 5B-08 or 5B-01 to AC1324 or USB-EC Series |
$29.00 |
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Option |
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Regulated 5V Power Supply for 5B Modules |
$49.00 |
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Terminal Panel |
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Complete 5B Backplane for up to 16 Modules |
$399.00 |
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Terminal Panel |
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Complete 5B Backplane for up to 8 Modules |
$299.00 |
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Terminal Panel |
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Interface for 5B-08 and 5B-01 to any A/D Board |
$99.00 |
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Terminal Panel |
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Complete Single Channel Backplane for 1 Module |
$90.00 |
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