Emerson DeltaV 4D33914G03

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Emerson  DeltaV 4D33914G03 Power module In Stock

For applications where a generic RTD temperature measurement is sufficient, select option S3 for a single, 3-wire

measurement. For better results, select option S4 for a single, 4-wire measurement. For added measurement

reassurance, select option D3 for a dual, 3-wire measurement.

Since the lead wires are part of the RTD circuit, the lead wire resistance needs to be compensated for to achieve the

best accuracy. This becomes especially critical in applications where long sensor and/or lead wires are used. Emerson

provides two lead wire configurations that are commonly available: 3-wire and 4-wire.

In a 4-wire configuration, the lead wire resistance is inconsequential to the measurement. It uses a measurement

technique where a very small constant current of about 150 µA is applied to the sensor through two leads and the

voltage developed across the sensor is measured over the other two wires with a high-impedance and high resolution

measuring circuit. In accordance with Ohm’s Law the high impedance virtually eliminates any current flow in the

voltage measurement leads and therefore the resistance of the leads is not a factor.

In a 3-wire configuration, compensation is accomplished using a third wire with the assumption that it will be the same

resistance as the other two wires and the same compensation is applied to all three wires.

Product details:

Emerson  DeltaV 4D33914G03 Power module

Contact information：

Contact person：Luna Chen

Email Address:：sales6@saulplc.com

WhatApp： +86 13358378970

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