Starrett F2730IQ User manual

INCR

ABS

HOLD TOLERANCE

TIR

HOLD IN/MM 2ND TOL

APPLY TRVL MOVE CHANGE

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N

OFF/

AUTO/OFF

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MODE

ON/

CLR

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Electronic Indicator

Operating Manual Non-Analog Digital Display

3 Programmable Presets and 3 Programmable Ratios

Extra-Large Number Display
Incremental Measuring Mode
SPC Cables USB, MTI, RS232
Measuring System in English or Metric
Travel Reverse
Auto Off
Floating Zero
Rotating Bezel
Internal and External Serial Numbers
T.I.R. with Low & High Storage Recall
Power with Batteries

Additonal Power Through AC Jack

or Data Output
Programmable Lock Combination
User Tolerance Settings (high & low)
Up to 4 User Changeable Resolutions
Inch/Metric Display Conversion
Large LCD Display
Maximum Reading Hold
Display/Freeze Reading Hold
Minimum Reading Hold
Absolute/Preset Measuring Mode

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TABLE OF CONTENTS

Power Source Options .............................................................................3

Button Functions ......................................................................................4

Summary Chart For Digital Button Actions .............................................5

Display-Operating Prompts & Conditions ................................................6

Power On/Off ...........................................................................................7

Auto-Off Toggle ........................................................................................7

Travel Reverse Toggle ..............................................................................7

Change Units ............................................................................................8

Hold Mode ................................................................................................8

Tolerance On/Off .....................................................................................9

Tolerance Settings ...................................................................................9

Set High Tolerance Number ................................................................... 10

Set Low Tolerance Number.................................................................... 10

Set Absolute Number ............................................................................. 11

Lock Toggle ............................................................................................12

Lock Combination .................................................................................. 12

Reset to Factory Defaults ...................................................................... 13

Verify Data I/O Type ...............................................................................13

Set Gage Resolution ..............................................................................14

TIR Mode ................................................................................................ 14

Ratio Mode .............................................................................................15

Custom Applications .............................................................................. 16

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CHOICE OF THREE POWER SOURCES

1. Batteries

The lithium battery used in this indicator is an IEC standard, type CR2450. The indicators
are shipped with the batteries installed.

Note: This indicator has an AUTO-OFF feature to conserve batter y life. After 10 minutes of
“no activity” (no key presses or spindle movement), the gage will turn itself off. This feature
may be disabled if continuous operation is desired; see AUTO-OFF On/Off instructions in
this book.

Installing Batteries

Using a narrow screwdriver, gently pry under the tab on the left side of plastic bezel and
slide out the battery tray as you turn the indicator face side down.
Insert two batteries, “+” side up, into tray cavities, then slide the tray back into its bezel
slot, taking care that the batteries stay in proper position.

2. AC Adapter

First insert the mini-plug into the socket on the lower right side of the bezel, then plug the
adapter into a wall outlet.

3. Data I/O Connector

Power also may be provided through the data I/O connector, for special fixturing or
applications where the indicator is integrated with another piece of equipment. A ripple­free 5 VDC regulated voltage source is required.

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BUTTON FUNCTIONS

Key Function Controlled

OFF/MODE Off – turns indicator off

MODE – controls absolute
numbers & display setup

ON/CLR On – turns indicator on

CLR – resets the Lock Toggle,
Data I/O Type, gage resolution,
and Display setup mode

HOLD Allows you to hold the value

on the display according to the
specified Mode (MAX, MIN, FRZ)

IN/MM Controls the display units (default

is English)

2ND Controls the Lock Toggle,

Data I/O Type, gage resolution,
Travel Reverse, Auto Off and
Display setup mode

TOL Controls Low, High and On

tolerance settings

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SUMMARY CHART FOR DIGITAL BUTTON ACTIONS

Button actions should occur on the press of the button whenever possible. Some button presses will
have the action occur on the release of the button press. For example, when the ‘ON/CLR’ button is used
to clear the display, the action is to happen on the release of the button. When the ‘ON/CLR’ button is
used as the 2nd function in a sequence of button pushes, the action can be on the press of the button.
Whenever a button press requires a continuous press to scroll through some selection process, the action
of the button needs to be on the release of the button.

BUTTON

HOLD

IN/MM

2ND

TOL

ON/CLR

OFF/MODE

* Note: apply, move and change are automatically active when in preset, lock and tolerance setting modes. Apply and change are

automatically active when in resolution set mode.

PRIMARY SUBSIDIARY 2ND FUNCTION 3RD FUNCTION

Select hold type (MAX, s

Toggle on/offs

Toggles between s
inches, millimeters
and X

Enables 2ND s
functions

Toggles tolerance s
on or off

Turn gage ons

Turns gage offs

MIN, FRZ) press and hold
to step through selection
Apply functions

Move functions

Select high or low to view s
or set numbers*
Change functions

Clears/resets display to s
‘0’ or spindle position, or
‘abs’ number or ‘abs’ +/­spindle position

Select measurement mode s
(INCR, ABS, TIR) press
and hold to step through
selection

FUNCTION

Enter setting process s

for ratios*

Toggles travel reverse s

(normal/reverse)

Enter preset s

setting process*

Enables s

3RD function

Toggles auto-off s

on and off

Enter resolution select process*s
(2ND, ON/CLR, HOLD)s

Resets to factory default s
settings
(2ND, ON/CLR, IN/MM)s

Verify data out puts
(2ND, ON/CLR, 2ND)s

Toggles lock on and off; press s
and release (2ND, ON/CLR, TOL)
Enters user lock combination s
setting mode (press and hold to
access setting mode)*

To turn on RATIO feature and s
select RATIO 2ND, ON/CLR,
OFF/MODE. Press and release
to turn on, during button
sequence hold down OFF/
MODE to select RATIO position

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DISPLAY-OPERATING PROMPTS & CONDITIONS

Indicator ready for 2nd

or 3rd function key entry

sequences

AUTO-off is

enabled to conserve

battery life.

Negative reading

indicator. No sign

is displayed for

positive readings.

Features and

presets numbers

are locked

For Total Indicator Runout

(TIR), travel direction is

ignored. Peak (MAX) and

valley (MIN) values are

available.

Indicator is in preset number

setting function for ABS or

tolerance high or low numbers

Preset indicators Ratio indicators

TIR ABS IN CR

HOLD

HOLD

IN/MM

APPLY TRVL MOVE CHANGE

ON

2ND TOL

/

CLR OFF/MODE

AUTO/O FF

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Menu selection

items under hold or

tolerance areas

Displays IN for

English (inch), or

MM for Metric

Measuring Units.

TOLERANCE

Display counts

up with inward
spindle movement
for INCR and ABS

measurement

modes.

Display counts down

with spindle movement

for INCR and ABS

measurement modes.

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OPERATING INSTRUCTIONS

Power On/Off

To turn the unit on, press and hold ON/CLR
until indicator turns on. To turn off, press
OFF/MODE.

Auto-Off Toggle

To turn the Auto-Off function on or off, press
the 2ND button (2ND ICON should appear on
the display). Press the OFF/MODE.

An hour glass appears at the left side of the
display if AUTO OFF is active. If AUTO OFF is
active the indicator will power off in 10 minutes
with no activity (button press or spindle
movement).

Travel Reverse Toggle

To change count direction:
Press 2ND button, then press the IN/MM button.

Note: When arrow is pointed down

, the
display counts down with inward spindle
movement for INCR and ABS.

When the arrow is pointed up

, display
counts up with inward spindle movement. For
most applications this is the normal setting.

TIR ABS INCR

CLR

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TIR ABS INCR

CLR

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TOLERANCE

1

2ND TOL

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OFF

/

MODE

AUTO/OFF

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TOLERANCE

1

2ND TOL

OFF

/

MODE

AUTO/OFF

A

S

U

I

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HOLD

IN/MM

HOLD

APPLY TRVL MOVE CHANGE

/

ON

HOLD

2

IN/MM

HOLD

APPLY TRVL MOVE CHANGE

/

ON

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OPERATING INSTRUCTIONS

Change Units

To change the display units, press the IN/MM
button.

Default unit of measure is set at the factory for
English or metric scales.

Hold Mode

Allows you to hold the value on the display
according to the specified mode.

Press HOLD to toggle hold mode on and off.

MAX – Holds and displays the highest reading
attained.

MIN – Holds and displays the lowest reading
attained.

FRZ – Holds and displays the reading
displayed when HOLD is engaged.

To select type of HOLD (MAX, MIN, FRZ):
Press HOLD until desired feature is flashing,
then release HOLD.

Note: Pressing ON/CLR button resets indicator to spindle

position except in FRZ; resets to zero

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TIR ABS INCR

CLR

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TIR ABS INCR

CLR

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TOLERANCE

2ND TOL

OFF

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MODE

AUTO/OFF

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S

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TOLERANCE

2ND TOL

OFF

/

MODE

AUTO/OFF

A

S

U

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HOLD

IN/MM

HOLD

APPLY TRVL MOVE CHANGE

/

ON

HOLD

IN/MM

HOLD

APPLY TRVL MOVE CHANGE

/

ON

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OPERATING INSTRUCTIONS

Tolerance On/Off

Press TOL to toggle tolerance mode on and
off. If no tolerances are programmed into
the gage, then tol is displayed to indicate an
invalid tolerance setting and the HIGH and/or
LOW icons flash on and off.

When the tolerance settings are incorrect
(high, low, or both) the corresponding icon or
icons will flash.

Tolerance Settings

Continuously press the TOL button to activate
the tolerance menu (LOW, HIGH, ON) and
view the low and high tolerance settings.

If no preset tolerance number is set into the
gage then zero will be displayed.

When viewing low or high, that icon will flash.

TIR ABS INCR

CLR

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2ND TOL

OFF

AUTO/OFF

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TOLERANCE

1

/

MODE

HOLD

IN/MM

HOLD

APPLY TRVL MOVE CHANGE

/

ON

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OPERATING INSTRUCTIONS

Set High Tolerance Number

To change to high tolerance settings:
Press 2ND button (2ND icon should appear on
the display). Press the TOL (CHANGE) button.
High icon will be flashing.

Use the secondary function buttons, CHANGE
and MOVE to set your tolerance setting. After
you have set your high tolerance setting, press
APPLY to store numbers to memory.

Set Low Tolerance Number

To change to low tolerance settings: Press
2ND button (2ND icon should appear on the
display). Press the TOL (CHANGE) button.
Low icon will be flashing.

Use the secondary function buttons, CHANGE
and MOVE to set your tolerance setting. After
you have set your low tolerance setting, press
APPLY to store numbers to memory.

Note: once high and low tolerances are set,
the numeric readings will flash when your
readings are out of tolerance.

TIR ABS INCR

CLR

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TIR ABS INCR

CLR

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TOLERANCE

1 2

2ND TOL

OFF

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MODE

AUTO/OFF

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TOLERANCE

1 2

2ND TOL

OFF

/

MODE

AUTO/OFF

A

S

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HOLD

IN/MM

HOLD

APPLY TRVL MOVE CHANGE

/

ON

HOLD

IN/MM

HOLD

APPLY TRVL MOVE CHANGE

/

ON

The LOW or HIGH icon will flash indicating if
the reading is under or over the tolerance.

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OPERATING INSTRUCTIONS

Absolute /Preset Mode

Press and hold the OFF/MODE button.
Until the

lettering, release the OFF/MODE button. If no
preset number is stored in indicator ABS will
show on display.

To change to absolute number (preset
number), press 2ND button; 2ND icon
should appear on the display. Press the TOL
(CHANGE) button.

To step through PRESET 1 2 3 press the
MOVE (2ND) button.

Use the secondary function buttons, CHANGE
and MOVE, to set your absolute number.
Press MOVE until the +/- or digit to be set is
blinking.

icon appears above the ABS

TIR ABS INCR

CLR

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2 3

2ND TOL

1

OFF

AUTO/OFF

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TOLERANCE

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MODE

HOLD

IN/MM

HOLD

APPLY TRVL MOVE CHANGE

/

ON

Press the CHANGE button to reverse the +/-
sign or change the value of the blinking digit.
Repeat until the desired number is entered.
Press APPLY to store absolute number to
memory.

TIR ABS INCR

CLR

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2ND TOL

OFF

AUTO/OFF

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TOLERANCE

/

MODE

HOLD

IN/MM

HOLD

APPLY TRVL MOVE CHANGE

/

ON

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OPERATING INSTRUCTIONS

Lock Toggle

When the LOCK is on, a key icon is displayed.
When the LOCK is on, all of the setting modes
are disabled, and all 2nd and 3rd functions are
disabled except the lock/unlock sequence.

Press the 2ND button (2ND icon should
appear on the display). Press ON/CLR. Press
TOL. A key symbol will appear on the display
when features are locked.

Lock Combination

Press the 2ND button (2ND icon should
appear on the display), then press ON/CLR.
Continuously press TOL until 000 appears on
the display.

Use the CHANGE and MOVE button to set your
lock combination. After you have set your 3 digit
lock combination press APPLY. A key symbol
will appear on the display and your 3 digit
combination is stored in memory.

WARNING: To change functions after the
indicator has been locked with a combination,
the correct combination must be applied.

TIR ABS INCR

CLR

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TIR ABS INCR

CLR

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TOLERANCE

123

2ND TOL

OFF

/

MODE

AUTO/OFF

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TOLERANCE

123

2ND TOL

OFF

/

MODE

AUTO/OFF

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HOLD

IN/MM

HOLD

APPLY TRVL MOVE CHANGE

/

ON

HOLD

IN/MM

HOLD

APPLY TRVL MOVE CHANGE

/

ON

Please contact the factory if the Lock
Combination is lost.

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OPERATING INSTRUCTIONS

Reset to Factory Defaults

This will set all features and functions back to
the factory default settings.

Press the 2ND button (2ND icon should
appear on the display), followed by ON/CLR,
then press IN/MM.

Note: Factory defaults cannot be reset if the
LOCK feature is on.

Verify Data I/O Type

To view the Data I/O Type Output, press the
2ND button. The 2ND icon will appear on the
display. Press ON/CLR. Press 2ND. Format
information is displayed on the LCD.

All digits of the display are turned off;
characters displayed represent data modes
as RS-232, MITUTOYO serial output, USB or
BYPASS mide.

To exit: Repeat button sequence.

TIR ABS INCR

CLR

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TIR ABS INCR

CLR

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TOLERANCE

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2ND TOL

OFF

/

MODE

AUTO/OFF

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TOLERANCE

123

2ND TOL

OFF

/

MODE

AUTO/OFF

A

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HOLD

IN/MM

HOLD

APPLY TRVL MOVE CHANGE

2

/

ON

HOLD

IN/MM

HOLD

APPLY TRVL MOVE CHANGE

/

ON

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OPERATING INSTRUCTIONS

Set Gage Resolution

For the change resolution feature: Press 2ND,
press ON/CLR, then press HOLD.

After that, each press of the CHANGE Button
(TOL) steps through the available resolution
options: .001˝, .0005˝, .0001˝ or .00005˝ *

*This resolution only available on a .00005˝ resolution gage.

Press the APPLY button to store the resolution
setting. Display returns to measuring mode
at desired resolution, but does not change
displayed value.

TIR Mode

Total Indicator Runout (TIR) mode ignores
travel direction, instead measuring the
difference between peak and valley (MAX and
MIN) values. To enter TIR Mode, continuously
press the OFF/MODE button until the
diamond icon appears above the TIR function.
In TIR mode, the Freeze (FRZ) is the only hold
function available.

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To view the Peak (MAX) Value or the Valley
(MIN) Value, use the HOLD button. Press
HOLD button down until the MIN or MAX is
displayed. The difference between the MIN
and MAX Values equals the TIR Value.

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OPERATING INSTRUCTIONS

Ratio Mode

Press 2ND, ON/CLR, and OFF/MODE to turn
the ratio feature on and off.

Continue pressing the OFF/MODE button to
step through the three ratio positions.

If no ratios have been set previously, the
display will show NONE. The gage will not
operate until a ratio is entered or you exit the
ratio feature.

In this case, a ratio of 2.000 will display 2
inches on the indicator for every 1 inch of
travel, or 2mm on the display for every 1mm of
travel.

There are three ratio settings that be stored.
For the ratio feature to work properly, the
current ratio must be set to a value other than
NONE. Use the MOVE, CHANGE and APPLY
buttons to program or change ratio.

2 3

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CUSTOM APPLICATIONS

Custom LCDs and graphics can be provided
for almost any application. We can help you
design a gage for your exacting requirements.

Keypads and features can be customized to
meet most needs. For example, a gage can
be programmed for T.I.R. only, or a gage can
be programmed so only selected features are
available.

With our programmable software and flexible
microchip, the possibilities are limited only by
your imagination.

Custom hardware is available to fit your
specifications. For example, a gage can be
made without a return spring or a custom
spring. Special length stems, threaded stems,
backs, and contact points, are also available.

Digital Indicators are available in the following travels and resolutions:

Range/Travel Resolution

(operator changeable)

.250" .0001"/.002mm; .00005"/.001mm
.600" .0005"/.01mm; .0001"/.002mm; .00005"/.001mm

1.0" .0005"/.01mm; .0001"/.002mm; .00005"/.001mm

2.0" .001"/.02mm; .0005"/.01mm; .0001"/.002mm

4.0" .001"/.02mm; .0005"/.01mm; .0001"/.002mm

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Part No. K04-0103

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