Device cables

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This page contains information and teardown photos of various multimeter PC connectivity cables and adapters.

Agilent U1173A

The Agilent U1173A is an IR-USB cable.

Hardware:

  • Prolific PL2303HX (max. baudrate 19200, according to the Agilent website)

Works with:

  • Agilent U1230/40/50/70 series
  • Note: For the U1240 series, the additional U1179A IR bracket is required.1

Where to buy:

  • TODO.

Agilent U1177A

The Agilent U1177A is an IR-Bluetooth interface module.

Notes: 9600 baud, 8n1 settings on the PC. The protocol (AT commands) allows changing the baud rate to 19200, among other things.1 Default Bluetooth PIN: 1234. For the U1240 series, the additional U1179A IR bracket is required.2

Hardware:

  • CSR BC417...
  • Macronix MX...
  • PCB markings: U1177-26500, REV004, MSD-02

Works with:

  • Agilent U1230/40/50/70 series

Where to buy:

  • TODO.

Amprobe 38SW-A

The Amprobe 38SW-A is an RS232 PC interface cable for the Amprobe 38XR-A multimeter. The "38SW-A" name is also used to refer to the respective PC software for use with the serial cable.

Hardware:

  • TODO.

Works with:

Where to buy:

Brymen BU-86X

TODO.

Hardware:

  • TODO.

Works with:

  • Brymen BM867/BM869

Where to buy:

  • TODO.

Fluke IR189USB

The Fluke IR189USB is a USB interface cable for Fluke-18X and 28X DMMs.

Fluke OC4USB

The Fluke OC4USB is a USB interface cable for the Fluke 120 series, 190 series scope meter, and the 430 series power quality analyzer.

Resources:

Fluke PM9080

The Fluke PM9080 is an RS232 interface cable for "digital hard-copy output to serial printer or remote control via a PC". It works for the Fluke scope meter test tools, power harmonics analyzers, graphical multimeters and multifunction counters.

The max. supported baud rate is 57600.

Resources:

GreenLee DMSC-9U

TODO.

MASTECH MAS34X cable

TODO.

UNI-T UT-D01

TODO.

Where to buy: Reichelt, Conrad/Voltcraft

UNI-T UT-D04

The UNI-T UT-D04 is a USB/HID cable for various UNI-T multimeters (and rebranded models) with PC connectivity.

Hardware:

  • WCH CH9325

Works with:

  • UNI-T UT61D/...
  • Voltcraft VC820/VC840/...
  • TODO

Where to buy:

V&A VA4000

The V&A VA4000 is a USB PC interface cable for various V&A multimeters.

It seems there have been at least two different revisions of the cable. The older one used a Sunplus SPCP825 USB-to-serial chip (see here, here, or also check the drivers from here), the newer revisions use a Prolific PL2303HX chip.

Hardware (old cable version):

  • USB to serial chip: Sunplus SPCP825
  • Crystal: ?

Hardware (new cable version):

  • USB to serial chip: Prolific PL2303HX YR0903A
  • Crystal: 12MHz

Works with:

  • TODO.

Where to buy:

  • TODO.

V&A VA4001

The V&A VA4001 is an RS232 PC interface cable for various V&A multimeters.

TODO.