1 General points
The Millimar C 1208/1216/1240 is an electronic
length measuring and evaluating instrument for
use in a production environment. It is available in
three versions:
C 1208/C 1216 M, T, F: one or two inductive
probes can be connected.
C 1208 PE: a pneumatic sensor (air plug gage,
air ring gage) can be connected.
C 1240 M:
One or two Mahr compatible inductive probes
(including the probe type 1340, which up to
now could only be used in conjunction with the
evaluation unit Millimar 1240) can be connected.
All 3 versions are suitable for dynamic and static
measurement.
The current measured value is shown on the dis-
play in both analog format (as a value on a scale)
and digital format (as a numerical value below
the scale). If required, numerical values from two
probes can also be displayed simultaneously.
However, this is only possible when performing
static measurements.
Resolution can be set in several stages as re-
quired. The lowest possible resolution with
a C 1208 unit is 0.1 µm and 0.01 µm with a
C 1216/ C 1240 unit.
As well as displaying the current measured value,
it is also possible to display the aggregate of, or
the difference between, measured values from
two probes. The required connection formula
between the two channels is indicated on the
display.
Internal measured value memories also enable
the acquisition of maximum, minimum and
mean values over a certain period of time (mea-
surement period). At the end of the measure-
ment period, these values are used to calculate
the features, which are then indicated on the
display.
The measurement period can be set using the
Millimar keypad, an external control signal or an
internal timer.
Depending on the interface protocol that is se-
lected, the RS 232 interface enables measure-
ment results to be transferred to/queried by an
external computer and instrument parameters to
be queried or set by a computer. It is also pos-
sible to connect a printer.
Other instruments such as other instruments
from the Millimar range, or a programmable
controller can be connected to the interface for
auxiliary appliances (I/O).
The Millimar C 1208/C 1216/ C 1240 offers:
• Static or dynamic measurement
• Analog results display
• Digital results display
• Easy-to-adjust functions using 8 function
keys
• Fast access to popular functions by assign-
ing up to 6 functions to the freely program-
mable SELECT key
• Convenient programming with a connected
Windows-based computer using MarTalk.
• RS 232 interface for sequence control or for
integration into a quality assurance system
• (C 1216/ C 1240 units only!) Parallel interface
for auxiliary appliances with three optocou-
pler digital inputs and three optocoupler
digital outputs and one analog output.
• Saving the last 400 measured values in
Millimar and reading these out over the
RS 232 interface.
• Customer calibration
• Connection to the inductive probe Millimar
1340 (only C 1216/C 1240 !)
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