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What is the temperature coefficient supported by the 34970A for RTD temperature measurements?
The 34970A supports PT100 RTD's with an alpha=0.00385, RTD's with alpha=0.00385, or alpha=0.00391.

FAQ 2010-05-16

Can strain gauges be measured with the Keysight 34970A?
The 34970A can measure strain gauges using 4-wire ohms measurements and return the strain value using the math formula Mx+B.

FAQ 2009-11-18

How Do I Measure Resistance With A 3-Wire Device?
If you are using a 3-wire device (ie. 3-wire RTD), to measure it accurately, you have to first measure the resistance of R1+R2+Rm then subtract the resistance you measured of R2+R3.

FAQ 2009-09-28

Can I remove a 100V or above common mode voltage when making thermocouple measurements using the 34970A?
Yes, for less than 300V peak by setting the internal DMM's integration time to a value of 1 or larger number of power line cycles.

FAQ 2007-01-10

Why I am getting incorrect results when measuring the temperature of a switch with the 34901A?
If you are doing thermocouple measurements with an AC signal, you need expect noise in the readings. You can reduce this noise by applying the common mode noise rejection.

FAQ 2007-01-09

What temperature reference junction choices do I have for making thermocouple measurements with the Keysight 34970A?
You can use an internal, external, and fixed reference.

FAQ 2006-08-29

34970A: What is Burden Voltage?
Connecting the internal DMM in series with a test circuit to measure a current, a measurement error is introduced.

FAQ 2006-08-29

Can I configure the 34970A for 4-wire resistance, 4-ohms, and/or 4-wire scan?
Yes, the 34970A can be configured for 4 wire resistance, 4 wire RTD or 4 wire external scanning.

FAQ 2006-08-29

How do I make a measurement from the front panel with the Keysight 34970A?
This FAQ describes how to setup for a measurement from the front panel using the thermocouple shipped with the 34970A and a 34901A/34902A/34908A module card.

FAQ 2006-02-02

34970A: How can I improve the stability of flowmeter measurements?
Stability improvements can be made by eliminating unwanted noise.

FAQ 2004-03-29

34970A: Can You Use the 34908A for Thermocouple Measurements?

FAQ 2004-03-24

34970A: Can the voltage measurement float on the 34901A, 34902A or 34908A modules?
If the instruments specification is not exceeded, you can float a measurement.

FAQ 2004-02-02

34970A: How can the measurement speed be maximized?
Several setups can be made to the 34970A to increase your measurement speed.

FAQ 2003-12-11

34970A: How do I measure current with the Keysight 34902A Module?
Although the 34902A does not have dedicated current measurement channels, you can still use it to measure current.

FAQ 2003-12-02

34970A: Will the Keysight 34970A measure differential pressure?
You can use the internal scaling equation or external program to provide psi measurements.

FAQ 2003-12-02

34970A: How do I configure the 34901A or 34902A module to take voltage readings with respect to a common ground?
You can make single ended measurements with the 34901A or 34902A by jumpering the LO channels together.

FAQ 2003-12-02