Difference between revisions of "Agilent U1232A"

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| measurements    = voltage, <span style="color:green">current</span>, resistance, capacitance, <span style="color:red">no temperature</span>, frequency, duty cycle (?), diode, continuity
| measurements    = voltage, <span style="color:green">current</span>, resistance, capacitance, <span style="color:red">no temperature</span>, frequency, duty cycle (?), diode, continuity
| features        = autorange, true-rms, data hold, min/max, rel, bargraph, backlight, LED flashlight, data logging (10 readings), auto-poweroff, <span style="color:red">no non-contact voltage detector (Vsense)</span>
| features        = autorange, true-rms, data hold, min/max, rel, bargraph, backlight, LED flashlight, data logging (10 readings), auto-poweroff, <span style="color:red">no non-contact voltage detector (Vsense)</span>
| website        = [http://www.home.agilent.com/agilent/product.jspx?nid=-34618.980704.00 agilent.com]
| website        = [https://www.keysight.com/en/pd-2000224-pn-U1232A/true-rms-6000-count-handheld-digital-multimeter keysight.com]
}}
}}


The '''Agilent U1232A''' is a 6000 counts, CAT III (600V) handheld digital multimeter with USB or Bluetooth connectivity.
The '''Agilent U1232A''' is a 6000 counts, CAT III (600V) handheld digital multimeter with USB or Bluetooth connectivity.


See also the other Agilent U123xA series pages: [[Agilent U1231A]], [[Agilent U1233A]].
For information about the protocol used to communicate to this multimeter, see the [[Agilent U12xxx series]] page.


== Hardware ==
== Hardware ==
* [http://documentation.renesas.com/doc/DocumentServer/r01uh0180ej0200_78k0lx3.pdf Renesas 78K0/LF3] 8-bit microcontroller with 60K flash and 2K RAM on board.
* [http://documentation.renesas.com/doc/DocumentServer/r01uh0180ej0200_78k0lx3.pdf Renesas 78K0/LF3] 8-bit microcontroller with 60K flash and 2K RAM on board.


== Photos ==
== Photos ==
'''Multimeter''':
<gallery>
<gallery>
File:Agilent U1232A.jpg|<small>Device, front</small>
File:Agilent U1232A.jpg|<small>Device, front</small>
Line 33: Line 29:
File:Agilent U1232A PCB MCU.jpg|<small>Microcontroller</small>
File:Agilent U1232A PCB MCU.jpg|<small>Microcontroller</small>
</gallery>
</gallery>
'''IR-USB cable''':
See [[Device cables#Agilent_U1173A]].
'''IR-Bluetooth interface''':
See [[Device cables#Agilent_U1177A]].
== Protocol ==
=== IDN ===
Sending the command <code>*IDN?</code> causes the device to return a comma-separated four-field string, compatible with the identical GPIB command. The four fields are vendor name, model name, serial number and version:
Agilent Technologies,U1232A,MY52020136,V1.00
=== FETC ===
The <code>FETC?</code> command returns the current measured value, as a floating point ASCII string:
+9.25000000E-03
The value always takes exactly this form. If no valid measurement is available, i.e. the display shows "OL", the transmitted value is <code>+9.90000000E+37</code>.
=== CONF ===
The <code>CONF?</code> command queries the device's current measurement configuration. This can be either one, two or three comma-separated fields. The number of fields depends on the first field's value, but the second field always denotes the measurement mode's range and resolution, and the third field is the current type (AC or DC).
{| border="0" width="95%" style="font-size: smaller" class="alternategrey sortable sigroktable"
|-
! style="width: 3em;" | Mode
! style="width: 3em;" | Res.
! style="width: 3em;" | Cur.
! Meaning
|-
| V
| y
| y
| '''Volts'''
|-
|
| 0
|
| Range 600mV, resolution 0.1mV
|-
|
| 1
|
| Range 6V, resolution 1mV
|-
|
| 2
|
| Range 60V, resolution 0.01V
|-
|
| 3
|
| Range 600V, resolution 0.1V
|-
| MV
| y
| y
| '''Millivolts'''
|-
|
| 1
|
| Range 600mV, resolution 0.1mV
|-
| A
| y
| y
| '''Ampere'''
|-
|
| 0
|
| Range 6A, resolution 1mA
|-
|
| 1
|
| Range 10A, resolution 0.01A
|-
| UA
| y
| y
| '''Microampere'''
|-
|
| 0
|
| Range 60μA, resolution 0.01μA
|-
|
| 1
|
| Range 600μA, resolution 0.1μA
|-
| FREQ
| y
| y
| '''AC frequency'''
|-
|
| 0
|
| Always shows 0, even when the range is changed manually on the device. This is possibly a firmware bug.
|-
| RES
| y
| n
| '''Resistance'''
|-
|
| 0
|
| Range 600Ω, resolution 0.1Ω
|-
|
| 1
|
| Range 6kΩ, resolution 0.001kΩ
|-
|
| 2
|
| Range 60kΩ, resolution 0.01kΩ
|-
|
| 3
|
| Range 600kΩ, resolution 0.1kΩ
|-
|
| 4
|
| Range 6MΩ, resolution 0.001MΩ
|-
|
| 5
|
| Range 60MΩ, resolution 0.01MΩ
|-
| CAP
| y
| n
| '''Capacitance'''
|-
|
| 0
|
| Range 1000nF, resolution 1nF
|-
|
| 1
|
| Range 10μF, resolution 0.01μF
|-
|
| 2
|
| Range 100μF, resolution 0.1μF
|-
|
| 3
|
| Range 1000μF, resolution 1μF
|-
|
| 4
|
| Range 10mF, resolution 0.01mF
|-
| DIOD
| n
| n
| '''Diode'''
|}
=== STAT ===
The <code>STAT?</code> command is used to query the current state of the device. The response is a quoted 21-byte string, like this:
"000000000110L00000000"
{| border="0" width="95%" style="font-size: smaller" class="alternategrey sortable sigroktable"
|-
! style="width: 3em;" | Byte
! style="width: 3em;" | Value
! Meaning
|-
| 1
|
| '''Max/min/avg mode'''
|-
|
| 0
| Off
|-
|
| 1
| On
|-
| 2
|
| '''Relative measurement'''. The last value returned from FETC? before this mode was enabled denotes the stored reference value.
|-
|
| 0
| Off
|-
|
| 1
| On
|-
| 3
|
| '''Trig hold-log'''
|-
|
| 0
| Off
|-
|
| 1
| On
|-
| 4
|
| '''Auto hold-log'''
|-
|
| 0
| Off
|-
|
| 1
| On
|-
| 5
|
| '''LED flashlight'''
|-
|
| 0
| Off
|-
|
| 1
| On
|-
| 6
|
| '''LCD backlight'''
|-
|
| 0
| Off
|-
|
| 1
| On
|-
| 7
|
| '''Smoothing'''
|-
|
| 0
| Off
|-
|
| 1
| On
|-
| 8
|
| '''Temp/aux mode'''. When on and rotary switch is in position 5 (capacitance), CONF? returns <code>MV,1,DC</code>, but the value returned from FETC? instead denotes the temperature, in the unit (F or C) according to the meter's configuration.
|-
|
| 0
| Off
|-
|
| 1
| On
|-
| 9
|
| ''Unknown (always 0)''
|-
| 10
|
| '''Beep frequency'''
|-
|
| 0
| 4.2kHz
|-
|
| 1
| 3.8kHz (default)
|-
|
| 2
| 3.4kHz
|-
|
| 3
| 3.2kHz
|-
|
| 4
| Off
|-
| 11
|
| '''Auto power-off''' (APO)
|-
|
| 0
| Off
|-
|
| 1
| On
|-
| 12
|
| ''Unknown (always 0)''
|-
| 13
|
| ''Unknown (always L)''
|-
| 14
|
| ''Unknown (always 0)''
|-
| 15
|
| ''Unknown (always 0)''
|-
| 16
|
| '''Rotary switch position'''
|-
|
| 0
| V/Zlow
|-
|
| 1
| Voltage AC
|-
|
| 2
| Voltage DC
|-
|
| 3
| Resistance
|-
|
| 4
| Diode
|-
|
| 5
| Capacitance
|-
|
| 6
| Current
|-
|
| 7
| Microcurrent
|-
| 17
|
| '''Continuity mode'''. When enabled, the value returned from FETC? is either NAN (no continuity) or any real value to denote continuity.
|-
|
| 0
| Off
|-
|
| 1
| On
|-
| 18
|
| ''Unknown (always 0)''
|-
| 19
|
| ''Unknown (always 0, but briefly 1 at startup)''
|-
| 20
|
| ''Unknown (always 0)''
|-
| 21
|
| ''Unknown (always 0)''
|}


== Resources ==
== Resources ==
* [http://www.home.agilent.com/en/pd-2000224-pn-U1232A/true-rms-6000-count-handheld-digital-multimeter?pm=PL&nid=-34618.980704&cc=US&lc=eng Agilent U1232A document library]: [http://www.home.agilent.com/agilent/redirector.jspx?action=ref&cname=AGILENT_EDITORIAL&ckey=2043826&lc=eng&cc=US&nfr=-34618.980704.00 datasheet], [http://www.home.agilent.com/agilent/redirector.jspx?action=ref&cname=AGILENT_EDITORIAL&ckey=2049045&lc=eng&cc=US&nfr=-34618.980704.00 manual], ...
* [http://www.home.agilent.com/en/pd-2000224-pn-U1232A/true-rms-6000-count-handheld-digital-multimeter?pm=PL&nid=-34618.980704&cc=US&lc=eng Agilent U1232A document library]: [http://www.home.agilent.com/agilent/redirector.jspx?action=ref&cname=AGILENT_EDITORIAL&ckey=2043826&lc=eng&cc=US&nfr=-34618.980704.00 datasheet], [http://www.home.agilent.com/agilent/redirector.jspx?action=ref&cname=AGILENT_EDITORIAL&ckey=2049045&lc=eng&cc=US&nfr=-34618.980704.00 manual], ...


Latest revision as of 20:52, 2 November 2020

Agilent U1232A
Agilent U1232A.png
Status supported
Source code agilent-dmm
Counts 6000
IEC 61010-1 CAT III (600V)
Connectivity USB, Bluetooth
Measurements voltage, current, resistance, capacitance, no temperature, frequency, duty cycle (?), diode, continuity
Features autorange, true-rms, data hold, min/max, rel, bargraph, backlight, LED flashlight, data logging (10 readings), auto-poweroff, no non-contact voltage detector (Vsense)
Website keysight.com

The Agilent U1232A is a 6000 counts, CAT III (600V) handheld digital multimeter with USB or Bluetooth connectivity.

For information about the protocol used to communicate to this multimeter, see the Agilent U12xxx series page.

Hardware

Photos

  • Device, front

  • Device, back

  • PCB, top

  • White silkscreen (LCD background)

  • PCB, bottom

  • PCB detail

  • Microcontroller

Resources

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