Device cables

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

Multimeters

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.

  • Device, front

  • PCB, front

  • PCB, back

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.

  • Device, front

  • Device, back

  • Battery compartment

  • PCB, front

  • PCB, back

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:

  • Package, top

  • Package, bottom

  • Cable, top

  • Cable, bottom

  • CD-ROM, top

  • CD-ROM, bottom

  • CD-ROM, contents

  • Cable, opened

  • Housing 1

  • Housing 2

  • PCB, top

  • PCB, bottom

  • PCB, pinout

Brymen BU-86X

TODO.

Hardware:

  • TODO.

Works with:

  • Brymen BM867/BM869

Where to buy:

  • TODO.

Digitek DT4000ZC cable

The Digitek DT4000ZC (and the rebadged TekPower TP4000ZC) ship with this RS232-to-audio cable.

Hardware:

  • TODO.

Works with:

Where to buy:

  • The cable ships with the multimeter. It's unclear whether it can be bought standalone (without DMM).

Digitek DT4000ZC photos:

  • Device, front

  • Device, back

  • Device, open

  • Device, open 2

  • Resistor

TekPower TP4000ZC photos:

  • Supplied RS-232 cable

  • RS-232 cable, disassembled

  • RS-232 cable, detail

Fluke IR189USB

The Fluke IR189USB is a USB interface cable for Fluke-18x and 28x series DMMs. It is a basic USB-serial cable, based on the FTDI FT232RL chip.

  • Fluke IR189USB.jpg
  • Fluke IR189USB bottom.jpg
  • Fluke IR189USB PCB top.jpg
  • Fluke IR189USB PCB bottom.jpg

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".

The max. supported baud rate is 57600.

Hardware:

  • TODO.

Works with:

  • Fluke scope meter test tools, power harmonics analyzers, graphical multimeters and multifunction counters.

Where to buy:

Resources:

GreenLee DMSC-9U

TODO.

Hardware:

  • TODO.

Works with:

  • GreenLee DM-800 series, DML-430A

Where to buy:

  • TODO.

MASTECH MAS34X cable

TODO.

Hardware:

  • TODO.

Works with:

Where to buy:

  • TODO.

  • Cable

  • Cable, connected

UNI-T UT-D02

The UNI-T UT-D02 is an RS232 cable for various UNI-T multimeters (and rebranded models) with PC connectivity.

Hardware:

  • TODO.

Works with:

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

Where to buy:

  • Cable

  • Cable, IR

  • Cable, open

  • PCB, front

  • PCB, back

UNI-T UT-D04

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

There have been (at least) two versions of this cable, the older one with Hoitek HE2325U USB/HID chip, the newer one using a WCH CH9325 USB/HID chip.

Hardware (old version):

  • Hoitek HE2325U

Hardware (new version):

  • WCH CH9325 (WCH = Nanjing QinHeng Electronics Co., Ltd.)

Works with:

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

Where to buy:

  • Cable

  • Cable, IR

  • Attached cable

  • Opened 1

  • Opened 2

  • PCB, front

  • PCB, back

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.

  • USB cable

  • USB cable PCB, front

  • USB cable PCB, back

V&A VA4001

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

TODO.

Victor 86C USB cable

The Victor 86C PC interface cable (doesn't seem to have a specific name or part number) contains a USB/HID chip.

Hardware:

  • USB/HID chip: Unmarked SO-20 chip

Works with:

  • Victor 86C. Maybe other Victor models(?)

Where to buy:

  • The cable ships with the Victor 86C. It's unclear whether it can be bought standalone (without DMM).

  • USB cable

  • USB cable, open

  • USB cable PCB, front

  • USB cable PCB, back

More information about the USB chip and the protocol it uses to communicate with the PC can be found on the Victor protocol page.

Sound level meters

Colead SL-5868P cables

Some models of the Colead SL-5868P sound level meter come with a set of two cables:

  • A really bad idea

  • DB9 to USB, top

  • DB9 to USB, bottom

  • 3.5" jack to DB9, top

  • 3.5" jack to DB9, bottom

Tondaj SL-814 cable

The Tondaj SL-814 sound level meter ships with this USB PC interface cable.

Hardware:

  • USB to serial chip: Prolific PL2303HX LFC10073A
  • Crystal: 12MHz

Works with:

Where to buy:

  • The cable ships with the Tondaj SL-814. It's unclear whether it can be bought standalone (without the sound level meter).

  • Cable

  • Cable, connector

  • Cable, open

  • Cable, open 2

  • PCB, top

  • PB, bottom

Programmable electronic loads

M133

The M133 (vendor unknown) cable ships with the ATTEN ATZ9711 programmable electronic load. It's unclear whether this is a custom cable for this device, or a generic RS232 isolator cable.

The 28-pin chip is a standard Prolific PL-2303HX serial-USB chip.

The other chip is presumably an optocoupler, but the vendor/model is unknown.

  • M133 isolated serial-USB cable.jpg
  • M133 isolated serial-USB cable back.jpg
  • M133 isolated serial-USB cable PCB top.jpg
  • M133 isolated serial-USB cable PCB bottom.jpg
  • M133 isolated serial-USB cable chip.jpg
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