Amada WELD CHECKER MM-400A - 2. Features

MM-400A
2. Features
2-1
2. Features
The Weld Checker MM-400A is a measuring instrument designed for stationary resistance
welding machines.
The instrument can measure the current, voltage, current flow time, force
*1
, displacement
*1
,
external voltage input (max. ±10 V)
*1
and external current input (4 to 20 mA)
*1
and display
their waveforms.
(*1: Force/displacement-equipped specification function. You can select to measure external
voltage input or external input current by setting.)
The LCD screen ensures clear viewing of the welding current and force waveforms for
optimal welding quality control. Further, it is equipped with a printer, allowing to print
measured values and waveforms without having to attach an external printer.
The MM-400A offers the following features:
• Easy to use with a touch panel
Easy setting through the menu selection system on the 5.7-inch color touch panel.
• ISO17657-compliant measurement
In addition to the arithmetic mean RMS which is a conventional calculation system, the
RMS in a whole current flow time which is the ISO17657-compliant calculation system can
be selected. For the ISO17657-compliant measurement, the dedicated ISO-compliant
toroidal coil is required.
• Extensive waveform display capabilities
Incorporates a zoom display function, which permits the user to change the spacings of
the X-axis (time) and Y-axis (force/current) freely, and a cursor measurement function, a
function for measuring values between parts of the waveforms by moving the horizontal
cursor.
• Optimal waveform redisplay (FIT) capability
If the waveform is moved or zoomed off the screen, the instrument can resize the
waveform to its optimal size and redisplay it on screen.
• Simultaneous measurement of force and welding current during current flow
(Force/displacement-equipped specification function)
You can measure the force and other measurement items during current flow
simultaneously using the welding head which incorporates a force sensor in the pressure
follow-up mechanism. You can also measure the force and welding current during current
flow simultaneously using the optional current/force sensor (MA-770A/771A), as
conventionally.
• Storing measured values and waveforms
You can store measured values and waveforms in USB or built-in flash memory.
• Managing measurement data with PC
You can transmit measurement data to your PC through the RS-232C, RS-485 or
Ethernet communication.
• Supports a wide range of welding machines
The instrument supports single-phase AC, DC inverter, AC inverter, and transistor welding
machines.
• Supports multiple languages
Languages available are Japanese, English, Chinese, Korean, German, French, and
Spanish.