HP 34970A User Manual download pdf (Page 206)

MEASure:TEMPerature?

{RTD|FRTD},{85|91|DEF}

[,1[,<

resolution>|MIN|MAX|DEF}]] ,(@<scan_list>)

Configure the specified channels for 2-wire or 4-wire

RTD measurements

and immediately sweep through the scan list one time. Use “85” to

specify

α = 0.00385 or “91” to specify α = 0.00391. Note that this command

also redefines the scan list. The readings are sent directly to the

instrument’s output buffer but the readings are not stored in reading

memory. The default (

DEF) type is “85” (α = 0.00385).

For 4-wire

RTD measurements (FRTD), the instrument automatically

pairs channel n with channel n+10 (34901A) or n+8 (34902A) to provide

the source and sense connections. For example, make the source

connections to the

HI and LO terminals on channel 2 and the sense

connections to the

HI and LO terminals on channel 12. Specify the

paired channel in the lower bank (source) as the scan_list channel.

MEASure:TEMPerature?

{THERmistor},{2252|5000|10000|DEF}

[,1[,<

resolution>|MIN|MAX|DEF}]] ,(@<scan_list>)

Configure the specified channels for thermistor measurements and

immediately sweep through the scan list one time. Note that this command

also redefines the scan list. The readings are sent directly to the

instrument’s output buffer but the readings are not stored in reading

memory. The default (DEF) transducer type is a 5 k

Ω thermistor.

MEASure:VOLTage:DC?

MEASure:VOLTage:AC?

[{<

range>|AUTO|MIN|MAX|DEF}

[,<

resolution>|MIN|MAX|DEF}],] (@<scan_list>)

Configure the specified channels for dc or ac voltage measurements and

immediately sweep through the scan list one time. Note that this command

also redefines the scan list. The readings are sent directly to the

instrument’s output buffer but the readings are not stored in reading

memory. For ac measurements, the resolution is actually fixed at

⁄

digits; the resolution parameter only affects the number of digits

shown on the front-panel.

Chapter 5 Remote Interface Reference

The MEASure? and CONFigure Commands

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HP 34970A User Manual Page 206

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