Mark-10 M5-5, M5-025, M5-50, M5-500, M5-1000 User manual

...
Series 5
DIGITAL FORCE GAUGES
User’s Guide
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Series 5 Digital Force Gauges User’s Guide
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Thank you…
Thank you for purchasing a Mark-10 Series 5 digital force gauge, designed for tension and compression testing applications from 0.12 to 2,000 lbF (0.5 N to 10,000 N) full scale. The Series 5 is an essential component of a force testing system, typically also comprising a test stand, grips, and data collection software.
With proper usage, we are confident that you will get many years of great service with this product. Mark-10 force gauges are ruggedly built for many years of service in laboratory and industrial environments.
This User’s Guide provides setup, safety, and operation instructions. Dimensions and specifications are also provided. For additional information or answers to your questions, please do not hesitate to contact us. Our technical support and engineering teams are eager to assist you.
Before use, each person who is to use a Series 5 force gauge should be fully trained in appropriate operation and safety procedures.
TABLE OF CONTENTS
OVERVIEW ....................................................................... 2
POWER ............................................................................. 3
SETUP .............................................................................. 4
HOME SCREEN AND CONTROLS ................................. 6
OPERATING MODES ....................................................... 9
DIGITAL FILTERS ..........................................................12
SET POINTS ...................................................................13
DATA MEMORY AND STATISTICS ..............................15
COMMUNICATIONS AND OUTPUTS ...........................17
CALIBRATION ...............................................................23
PASSWORDS .................................................................28
OTHER SETTINGS .........................................................30
SPECIFICATIONS ..........................................................33
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Qty.
Part No.
Description
M5-012 –
M5-20
M5-50 –
M5-100
M5-200 –
M5-500
M5-750 –
M5-2000
M5-2-COF
1
12-1049
12-1049
12-1049
12-1049
12-1049
Carrying Case
1
08-1022
08-1022
08-1022
08-1022
08-1022
AC adapter body with US, EU, or UK prong
1
08-1026
08-1026
08-1026
08-1026
08-1026
Battery (inside the gauge)
1
G1024
G1024
G1031
G1031
G1024
Extension rod
1
G1026
G1026
G1033
G1033
G1026
Cone
1
G1025
G1025
G1032
G1032
G1025
Chisel
1
G1027
G1027
G1034
G1034
G1027
V-groove
1
G1029
G1029
G1036
G1036
G1029
Flat
1
G1028
G1038
G1035
G1042
G1028
Hook (not incl. with M5-1500 or M5-2000)
1 - G1039
G1037
- - Coupling
1 - - - G1041
-
Thread adapter
1 - Certificate of calibration
1
09-1165
USB cable
-
USB driver, MESUR® Lite software, MESUR®gauge evaluation software, User’s Guide

1 OVERVIEW

1.1 Included Items

1.2 Safety / Proper Usage

Caution!
Note the force gauge’s capacity before use and ensure that the capacity is not exceeded. Producing a force greater than 200% of the gauge’s capacity can damage the internal load cell. An overload can occur whether the gauge is powered on or off.
Typical materials able to be tested include many manufactured items, such as springs, electronic components, fasteners, caps, films, mechanical assemblies, and many others. Items that should not be used with the gauge include potentially flammable substances or products, items that can shatter in an unsafe manner, and any other components that can present an exceedingly hazardous situation when acted upon by a force.
The following safety checks and procedures should be performed before and during operation:
1. Never operate the gauge if there is any visible damage to the AC adapter or the gauge itself.
2. Ensure that the gauge is kept away from water or any other electrically conductive liquids at all times.
3. The gauge should be serviced by a trained technician only. AC power must be disconnected and the gauge must be powered off before the housing is opened.
4. Always consider the characteristics of the sample being tested before initiating a test. A risk assessment should be carried out beforehand to ensure that all safety measures have been addressed and implemented.
5. Wear eye and face protection when testing, especially when testing brittle samples that have the potential to shatter under force. Be aware of the dangers posed by potential energy that can accumulate in the sample during testing. Extra bodily protection should be worn if a destructive failure of a test sample is possible.
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Serial connector
USB connector
Power input jack
6. In certain applications, such as the testing of brittle samples that can shatter, or other
applications that could lead to a hazardous situation, it is strongly recommended that a machine guarding system be employed to protect the operator and others in the vicinity from shards or debris.
7. When the gauge is not in use, ensure that the power is turned off.

2 POWER

The gauge is powered either by an 8.4V NiMH rechargeable battery or by an AC adapter. Since these batteries are subject to self discharge, it may be necessary to recharge the unit after a prolonged period of storage. Plug the accompanying charger into the AC outlet and insert the charger plug into the receptacle on the gauge (refer to the illustration below). The battery will fully charge in approximately 8 hours.
Caution!
Do not use chargers or batteries other than supplied or instrument damage may occur.
If the AC adapter is plugged in, an icon appears in the lower left corner of the display, as follows:
If the AC adapter is not plugged in, battery power drainage is denoted in a five-step process:
1. When battery life is greater than 75%, the following indicator is present:
2. When battery life is between 50% and 75%, the following indicator is present:
3. When battery life is between 25% and 50%, the following indicator is present:
4. When battery life is less than 25%, the following indicator is present:
5. When battery life drops to approximately 2%, the indicator from step 4 will be flashing.
Several minutes after (timing depends on usage and whether the backlight is turned on or off), a message appears, “BATTERY VOLTAGE TOO LOW. POWERING OFF”. A 4-tone audio indicator will sound and the gauge will power off.
The gauge can be configured to automatically power off following a period of inactivity. Refer to the Other Settings section for details.
If battery replacement is necessary, the battery may be accessed by separating the two halves of the gauge. Refer to the Setup section for details.
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3 SETUP

3.1 Mechanical Setup

3.1.1 Loading shaft orientation
In order to accommodate a variety of testing requirements, the orientation of the loading shaft may be set up in either of the two positions shown below. In order to change the loading shaft orientation, loosen the two captive screws on the back side of the housing, separate the two housing halves, rotate one half 180 degrees, and reassemble. Contact between the two halves is made by the spring pins and contact pads on the printed circuit boards. Note that models M5-1000, M5-1500, and M5-2000 do not utilize a load cell shaft, however, the same rotation procedure applies.
Load cell shaft up Load cell shaft down
3.1.2 Mounting to a plate
Although the gauge may be used by hand, proper mounting is important if attached to a fixture or test stand. The round steel insert with a hole in the back of the housing is provided to withstand the load during a test. A mating dowel pin should be used (see illustration below). Mounting plates on Mark-10 test stands include a dowel pin and clearance holes for the four threaded holes located near the corners of the housing. These holes are designed to accommodate screws in order to hold the gauge in place (Mark-10 test stands include a set of thumb screws for gauge mounting). The screws must not be used for load bearing purposes. Failure to use a dowel pin properly can result in a hazardous situation.
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3.1.3 Mounting attachments to the gauge
The force gauge’s threaded loading shaft is designed to accommodate common grips and attachments with female mounting holes. To mount a grip, gently thread it onto the shaft. Other mounting adapters are also available to prevent rotation. Ensure that the grip or fixture is positioned to ensure axial load with respect to the loading shaft of the force gauge. When using a grip, ensure that it secures the sample in such a way that it is prevented from slipping out during a test, preventing a potential safety risk to the operator and others in the vicinity. If using a grip or fixture from a supplier other than Mark-10, ensure that it is constructed of suitably rugged materials and components.
Do not use jam nuts or tools to tighten grips or attachments onto the shaft. Finger-tighten only.

3.2 Installing the USB driver

Caution!
Install the USB driver before physically connecting the gauge to a PC with the USB cable.
Further instructions for configuring and using the gauge’s outputs are provided in the Communications and Outputs section.
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No.
Name
Description
1
Tension /
These indicators are used throughout the display and menu.
2
Compression Peak
The maximum measured compression peak reading. This reading may be reset by pressing ZERO or by powering the gauge off and on.
3
Tension Peak /
The maximum measured tension peak or static coefficient of friction (for M5-
and on.
4
Primary reading /
The current displayed force reading. See Operating Modes section for
Operating Modes section for details).
5
Load bar
Analog indicator to help identify when an overload condition is imminent. The
details.
6
Units
The current measurement unit. Abbreviations are as follows:
N – Newton
1 2 4 5 6 7 8 9 10
11
12
3

4 HOME SCREEN AND CONTROLS

4.1 Home Screen

compression indicator
Static COF
Kinetic COF
- indicates a compression (push) direction
- indicates a tension (pull) direction
2-COF gauge). May be reset by pressing ZERO or by powering the gauge off
details. For the M5-2-COF gauge, this reading represents the kinetic coefficient of friction when the gauge is set to COF unit of measurement (see Units indicator below) and has completed an Average sequence (see
bar increases either to the right or to the left from the midpoint of the graph. Increasing to the right indicates compression load, increasing to the left indicates tension load. If set points are enabled, triangular markers are displayed for visual convenience. This indicator reflects the actual load, which may not correspond to the primary reading (depends on operating mode). The ZERO key does not reset the load bar. See Operating Modes section for
lbF – Pound-force ozF – Ounce-force kgF – Kilogram-force
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gF – Gram-force
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kN – Kilonewton
capacity / resolution table in the Specifications section for details.
7
Mode
The current measurement mode. Abbreviations are as follows:
See Operating Modes section for details about each of these modes
8
Number of stored data points
The number of stored data points in memory, up to 1000. Displayed only if
Memory Storage is enabled for the DATA key.
9
Battery / AC adapter indicator
Either the AC adapter icon or battery power icon will be shown, depending on power conditions. Refer to the Power section for details.
10
Automatic data
If Auto Output has been enabled under Serial / USB Settings, this indicator
animated. See Communications and Outputs section for details.
11
High / low limit
Correspond to the programmed set points. Indicator definitions are as follows:
– the displayed value is less than the lower force limit
12
Set points
The programmed force limits. Typically used for pass/fail type testing. 1, 2, or
Set Points menu item.
mN – Millinewton COF – Coefficient of friction (M5-2-COF gauge only) Note: not all gauge capacities measure in all the above units. Refer to the
RT – Real Time PC – Peak Compression PT – Peak Tension (static COF for M5-2-COF gauge) A – Average Mode (kinetic COF for M5-2-COF gauge) ET – External Trigger Mode
output indicator
indicators
is displayed. When automatic data output is occurring, the icon becomes
– the displayed value is greater than the upper force limit – the displayed value is between the limits
no indicators may be present, depending on the configuration shown in the
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Primary
Label
Primary Function
Secondary
Label
Secondary Function
Powers the gauge on and off. Press
home screen is displayed.
ENTER
Various uses, as described in the
ZERO
Zeroes the primary reading and peaks.
(UP)
Navigates up through the menu and sub-menus .
MENU
Enters the main menu.
ESCAPE
Reverts one step backwards through the menu hierarchy.
MODE
Toggles between measurement modes.
(DOWN)
Navigates down through the menu and sub-menus.
DATA
Stores a value to memory, transmits
data output, depending on setup.
DELETE
Enables and disables Delete mode
UNITS
Toggles between measurement
DIRECTION
Reverses the display during
menu items.
CLEAR
Zeroes the peak readings, but retains the primary reading.
N/A
N/A

4.2 Controls

briefly to power on, press and hold to power off. Active only when the
the current reading to an external device, and/or initiates automatic
units.

4.3 Menu navigation basics

Most of the gauge’s various functions and parameters are configured through the main menu. To access the menu press MENU. Use the UP and DOWN keys to scroll through the items. The current selection is denoted with clear text over a dark background. Press ENTER to select a menu item, then use UP and DOWN again to scroll through the sub-menus. Press ENTER again to select the sub-menu item.
following sections.
while viewing stored data.
calibration, and toggles between tension and compression directions while configuring set points and other
For parameters that may be either selected or deselected, press ENTER to toggle between selecting and deselecting. An asterisk (*) to the left of the parameter label is used to indicate when the parameter has been selected.
For parameters requiring the input of a numerical value, use the UP and DOWN keys to increment or decrement the value. Press and hold either key to auto-increment at a gradually increasing rate. When the desired value has been reached, press ENTER to save the change and revert back to the sub-menu item, or press ESCAPE to revert back to the sub-menu item without saving. Press ESCAPE to revert one step back in the menu hierarchy until back into normal operating mode.
Refer to the following sections for details about setting up particular functions and parameters.
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AVERAGE MODE

5 OPERATING MODES

Caution!
In any operating mode, if the capacity of the instrument has been exceeded by more than 110%, the display will show “OVER” to indicate an overload. A continuous audible tone will be sounded until the MENU key has been pressed or the load has been reduced to a safe level.
Five operating modes are possible with Series 5 gauges. To cycle between the modes, press MODE while in the home screen.

5.1 Real time (RT)

The primary reading corresponds to the live measured reading.

5.2 Peak Compression (PC)

The primary reading corresponds to the peak compression reading observed. If the actual force decreases from the peak value, the peak will still be retained in the primary reading area of the display. Pressing ZERO will reset the value.

5.3 Peak Tension / Static Coefficient of Friction (PT)

Same as Peak Compression, but for tension readings.
In the M5-2-COF gauge, the reading in this mode represents the static coefficient of friction.
Note: The static COF is always represented in the upper right corner of the display by the peak tension value, regardless of the operating mode.

5.4 Average Mode / Kinetic Coefficient of Friction (AVG)

Average mode is used to obtain an average force over time. This reading also represents the kinetic coefficient of friction for the M5-2-COF gauge. Applications include measurement of peel force, COF, muscle strength, frictional force, and other tests requiring time-averaged readings.
Before the parameters of Average Mode can be configured, it must be enabled. To do so, select Average Mode from the menu, scroll to Enable and press ENTER. The display appears as follows:
Disabled * Enabled Stop at Force + Settings
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Parameter
Description
The minimum force required to start the averaging sequence. Toggle between
active.
The time delay, after the trigger force, before the averaging sequence
Available settings: 0.0 – 300.0 sec., in 0.1 sec. increments
The time duration of the averaging sequence. This setting is ignored when Stop
Available settings: 0.1 – 300.0 sec., in 0.1 sec. increments
Step
Status
Description
1
TRIG WAIT
The trigger force has not yet occurred.
2
INIT DLY
The initial delay is currently taking place.
3
AVERAGING
The gauge is collecting readings. The status will be flashing until averaging has been completed.
4
AVRG DONE
Averaging has been completed. The average force is displayed in the primary reading.

AVERAGE MODE SETTINGS

5.0 sec.
The averaging function operates in one of two ways:
1. Averaging occurs between the trigger force and defined time limit, as illustrated below:
2. Averaging occurs only while above the trigger force. As the force drops back down to this
trigger, averaging stops. To enable this function, scroll to Stop at Force and press ENTER.
Select Settings to configure Trigger Force, Initial Delay, and Averaging Time:
Trigger Force
Initial Delay
Averaging Time

1.00 lbF

1.0 sec.
Trigger Force
or
Start / Stop Force
Initial Delay
Averaging Time
After the parameters have been configured and the menu has been exited, press MODE until AVG is displayed. Then press ZERO. Average mode is now armed, and the averaging sequence will commence when the trigger force has occurred. The current status of the averaging sequence is displayed below the primary reading, as follows:
compression and tension directions by pressing the DIRECTION key. Initial delay follows the trigger force. If Stop at Force is enabled, this parameter is referred to as Start / Stop Force, denoting the minimum force for which averaging will be
commences.
at Force is enabled, unless the 300 sec. limit is reached.
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Option
Description
Momentary High Low
The display will freeze the captured reading until ZERO is pressed. Applies to a high to low transition of the trigger signal.
Momentary Low  High
The display will freeze the captured reading until ZERO is pressed. Applies to a low to high transition of the trigger signal.

Maintained High

The display will show the captured reading only for as long as a high signal is maintained.

Maintained Low

The display will show the captured reading only for as long as a low signal is maintained.

EXTERNAL TRIGGER

COF
At the completion of the averaging sequence, the peak values are retained until ZERO is pressed. Another averaging sequence may be started after ZERO has been pressed. To exit Average mode, press
MODE and select the desired measuring mode.

5.5 COF Sled Weight (for M5-2-COF gauge only)

The M5-2-COF performs COF calculations by dividing the force by the sled weight. For example, a force of 100 gF divided by 200 g equals 0.5 COF. Although many COF testing applications require a sled weight of 200 g, the gauge allows the user to change the sled weight to comply with other requirements. To modify the sled weight, select COF from the menu. The display appears as follows:
* Enabled Sled Weight Unit g Sled Weight
200.0
Available sled weight settings: 100 – 1000 g

5.6 External Trigger (ET)

This mode of operation is useful for measuring electrical contact activation force as well as synchronization of multiple instruments for a “snapshot” view of applied forces. It is possible to capture the reading with a normally open contact (high to low transition of the trigger signal) or a normally closed contact (low to high transition).
Before the parameters of External Trigger Mode can be configured, it must be enabled. To do so, enter the main menu, select External Trigger, scroll to one of the four available options and press ENTER. The options are as follows:
* Disabled Momentary Hi->Lo Momentary Lo->Hi Maintained High Maintained Low
After the selection has been made and the menu has been exited, press MODE until ET is displayed. External Trigger mode is now armed. Refer to the pin diagram in the Communications and Outputs section for connection information.
To exit External Trigger mode, press MODE and select the desired measuring mode.
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DIGITAL FILTERS

1
Note: As long as external trigger has been enabled, it is still active even if the gauge is in Real Time mode. After the display freezes, any programmed set points will be active. However, if the gauge is in External Trigger mode, any programmed set points will be inactive.
5.6.1 External Trigger Schematic Diagram
Note: Custom cabling is required to connect to a switch, or to connect a switch and a Mark-10 test stand simultaneously.

6 DIGITAL FILTERS

Digital filters are provided to help smooth out the readings in situations where there is mechanical interference in the work area or test sample. These filters utilize the moving average technique in which consecutive readings are pushed through a buffer and the displayed reading is the average of the buffer contents. By varying the length of the buffer, a variable smoothing effect can be achieved. The selection of 1 will disable the filter since the average of a single value is the value itself.
To access digital filter settings, select Filters from the menu. The display appears as follows:

(1 = Fastest)

Current Reading 1 Displayed Reading
Two filters are available:

Current Reading – Applies to the peak capture rate of the instrument.

Displayed Reading – Applies to the primary reading on the display.

Available settings: 1,2,4,8,16,32,64,128,256,512,1024. It is recommended to keep the current reading filter at its lowest value for best performance, and the displayed reading filter at its highest value for best stability.
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SET POINTS

3.500

7 SET POINTS

7.1 General Information

Set points are useful for tolerance checking (pass/fail), triggering an external device such as a motorized test stand, or alarm indication in process control applications. Two limits, high and low, are specified and stored in the non-volatile memory of the instrument and the primary reading is compared to these limits. The results of the comparisons are indicated through the three outputs provided on the 15-pin connector, thus providing “under”, “in range”, and “over” signaling. These outputs can be connected to indicators, buzzers, or relays as required for the application.

7.2 Configuration

To configure set points, select Set Points from the menu. The screen appears as follows:
Upper Disabled * Upper Enabled

5.000 Lower Disabled * Lower Enabled

Either one, two, or none of the set points may be enabled. To toggle between the tension and compression directions, press the DIRECTION key.
If two set points have been enabled, they are displayed in the upper left corner of the display. If only one set point has been enabled, the word “OFF” appears in place of the value. If no set points have been enabled, the upper left corner of the display will be blank.
When set points are enabled, the following indicators are shown to the left of the primary reading:
Note: Set point indicators and outputs reference the displayed reading, not necessarily the current live load.
– the displayed value is greater than the upper
force limit (NO GO HIGH)
– the displayed value is between the limits (GO)
– the displayed value is less than the lower force
limit (NO GO LOW)
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7.3 Set Point Outputs Schematic

7.4 Using Set Points to Control a Mark-10 Test Stand

When using set points to stop/cycle Mark-10 motorized test stands, the upper and lower set points must be set to opposite measuring directions. Both set points must be set, even if the intended application is to stop/cycle at only one of the set points. The opposite set point should be a value sufficiently large that it does not get triggered during the course of the test.
For certain Mark-10 test stands, the upper and lower set point directions are reversed.
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0001 2.458 lbF

0007 2.042 lbF

MEMORY

Clear All Data

8 DATA MEMORY AND STATISTICS

Series 5 gauges have storage capacity of 1,000 data points. Readings may be stored, viewed, and output to an external device. Individual, or all, data points may be deleted. Statistics are calculated for the data presently in memory.
To enable memory storage, select DATA Key from the menu, then scroll to Memory Storage and press ENTER. Then exit the menu. In the home screen, the data record number 0000 appears below the primary reading. Press DATA at any time to save the displayed reading. The record number will increment each time DATA is pressed. If DATA is pressed when memory is full the message “MEMORY FULL” will be flashed at the bottom of the display and a double audio tone will be sounded.
To view, edit, and output stored readings and statistics, select Memory from the menu. The screen appears as follows:

View Data

View Statistics Output Data Output Statistics Output Data & Stats

8.1 View Data

All the saved data points may be viewed. The record number is displayed, along with the corresponding value and presently set unit of measurement. Any readings may be deleted individually. To do so, scroll to the desired reading and press DELETE. The letter “D” appears to the left of the record number, indicating that the gauge is in Delete mode, as follows:

0002 2.224 lbF 0003 2.446 lbF 0004 1.890 lbF D 0005 2.098 lbF 0006 1.998 lbF

Press ENTER to delete the value. To exit Delete mode, press DELETE again. Any number of readings may be individually deleted, however, all readings may also be cleared simultaneously. Refer to the Clear
All Data section for details.

8.2 Statistics

Statistical calculations are performed for the saved values. Calculations include number of readings, minimum, maximum, mean, and standard deviation.

8.3 Output Data

Press ENTER to output data to an external device. The display will show, “SENDING DATA…”, then “DATA SENT”. If there was a problem with communication, the display will show, “DATA NOT SENT”. Saved data can be downloaded by some Mark-10 data collection programs. Refer to their respective user’s guides for details.

8.4 Output Statistics

Press ENTER to output statistics to an external device. The display will show, “SENDING STATS…”, then “STATS SENT”. If there was a problem with communication, the display will show, “STATS NOT SENT”.
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*** WARNING ***

8.5 Output Data & Stats

Press ENTER to output data and statistics to an external device. The display will show, “SENDING DATA”, then “SENDING STATS…”, then “DATA SENT”, then “STATS SENT”. If there was a problem with communication, the display will show, “DATA NOT SENT” and/or “STATS NOT SENT”.

8.6 Clear All Data

Press ENTER to clear all data from the memory. A prompt will be shown, “CLEAR ALL DATA?”. Select Yes to clear all the data, or No to return to the sub-menu.
For output of data and/or statistics, RS-232 or USB output must be enabled. Data formatting is <CR><LF> following each value. Units can be either included or excluded. Output of data via the Mitutoyo output is possible, however, output of statistics is not. Refer to the Communications and Outputs section for details.
Note: Data is not retained while the gauge is powered off. However, the gauge protects against accidental or automatic power-off. If manually powering the instrument off, or if the inactivity time limit for the Automatic Shutoff function has been reached, the following warning message appears:

DATA IN MEMORY

WILL BE LOST

CANCEL

POWER OFF

If no option is selected, this screen will be displayed indefinitely, or until battery power has been depleted.
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SERIAL/USB SETTINGS

9 COMMUNICATIONS AND OUTPUTS

Communication with Series 5 force gauges is achieved through the micro USB or 15-pin serial ports located at the bottom of the instrument, as shown in the illustration in the Power section. Communication is possible only when the gauge is in the main operating screen (i.e. not in a menu or configuration area).

9.1 Serial / USB

To set up RS-232 and USB communication, select Serial/USB Settings from the menu. The screen appears as follows:
* RS232 Selected USB Selected + Baud Rate + Data Format + Auto Output
Select either RS-232 or USB input (output is always simultaneous through both the USB and RS-232 ports). RS-232 must be selected when communicating through a Mark-10 test stand controller. When communicating from the gauge directly to a PC or data collector, either RS-232 or USB can be selected as required. Press DATA to transmit individual data points or to commence an automatic output sequence (see Automatic Output sub-section for details). Single point or continuous data may also be requested via ASCII commands from an external device (see Command Set sub-section for details).
Communication settings are permanently set to the following:
Data Bits: 8 Stop Bits: 1 Parity: None
Other settings are configured as follows:
9.1.1 Baud Rate
Select the baud rate as required for the application. It must be set to the same value as the receiving device. When communicating with a Mark-10 test stand controller, the baud rate must be set to 115,200.
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Selection
Description
Numeric + Units
Output format includes the value and unit of measure. Compression values have positive polarity, tension values have negative polarity.

Numeric Only

Output format includes the value only. Polarity same as above.

Invert Polarity

Compression values have negative polarity, tension values have positive polarity. May be selected in addition to the Numeric + Units / Numeric Only selection.

Omit Polarity

Both directions are formatted with positive polarity. May be selected in addition to the Numeric + Units / Numeric Only selection.

AUTO OUTPUT

DATA FORMAT

9.1.2 Data Format
Select the desired data format. The screen appears as follows:
* Numeric + Units Numeric Only Invert Polarity Omit Polarity
9.1.3 Automatic Output
The gauge has the ability to output data continuously via RS-232 or USB. To enable automatic output, select Auto Output from the Serial/USB Settings sub-menu. The screen appears as follows:
* Disabled Enabled Outputs per Sec. 10

Select Enabled to activate automatic output. The number of outputs per second can be set to 1, 2, 5, 10, 25, 50, 125, or 250. The capabilities of the receiving device should be considered when selecting the data output rate.

After the settings have been saved, revert to the home screen. An icon appears in the lower left corner of the display, as follows: of data may be initiated by pressing DATA or by sending the appropriate ASCII command from an external device (see Command Set sub-section for details). The icon will become animated, signaling that automatic output is occurring. Press DATA again to end the data transmission.
This indicates that automatic data output has been armed. Automatic output
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Selection
Function when pressing DATA
RS232/USB Output
Outputs data via the serial and USB ports

Mitutoyo Output

Outputs data via Mitutoyo (Digimatic) through the serial port

Memory Storage

Stores a reading to memory (refer to the Memory section for details)

DATA KEY

MITUTOYO BCD

9.2 Mitutoyo BCD settings

This output is useful for connection to data collectors, printers, multiplexers, or any other device capable of accepting Mitutoyo BCD data. Individual data points may be transmitted by pressing DATA or by requesting it from the Mitutoyo communication device (if available). To enable Mitutoyo output, select the desired format – either with polarity or without polarity. The screen appears as follows:
* Disabled Enabled * Without Polarity With Polarity

9.3 Analog Output

This output can be used for chart recorders, oscilloscopes, data acquisition systems, or any other compatible devices with analog inputs. The output produces ±1 volt at full scale of the instrument. The polarity of the signal is positive for compression and negative for tension.

9.4 DATA Key Functions

The DATA key can be configured to perform several functions. To configure the DATA key, select DATA Key from the menu. The display appears as follows:
* RS232/USB Output Mitutoyo Output Memory Storage
Three options are available:
Any combination of the above functions may be selected.
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Greater than or equal to upper set point
On
Off
Off
Between upper and lower set points
Off
Off
On
Less than or equal to lower set point
Off
On
Off
Greater than or equal to upper set point
Off
On
Off
Between upper and lower set points
Off
Off
On
Less than or equal to lower set point
On
Off
Off
Greater than or equal to upper set point, in compression
Off
On
Off
Between upper and lower set points
Off
Off
On
Greater than or equal to lower set point, in tension
On
Off
Off
Greater than or equal to upper set point, in tension
Off
On
Off
Between upper and lower set points
Off
Off
On
Greater than or equal to lower set point, in compression
On
Off
Off
1
Signal Ground
---
2 *
Tension Overload *
Output
3
RS-232 Receive
Input
4
RS-232 Transmit
Output
5
+12V DC
Input / Output
6
Analog Output
Output
7 *
Compression Overload *
Output
8
Mitutoyo Clock Output Bit 2
Output
9
Mitutoyo Data Output Bit 0
Output
10
Mitutoyo Request Input Bit 3
Input 11 **
Set Point Pin 1 **
Output **
12 **
Set Point Pin 2 **
Output **
13 **
Set Point Pin 3 **
Output **
14
External Trigger
Input
15
Mitutoyo Ready Output Bit 1
Output

9.5 I/O Connector Pin Diagram (DB-15HD female)

Pin No. Description Input / Output
* Maximum voltage: 40V.
** The output assignments depend on several factors described in the table below. Output functions always reference the primary reading on the display, regardless of the current mode.
Force Pin 11 Pin 12 Pin 13
Upper and Lower Set Points are Compression
Upper and Lower Set Points are Tension
Upper Set Point is Compression, Lower Set Point is Tension
Upper Set Point is Tension, Lower Set Point is Compression
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9.6 Command Set / Gauge Control Language 2 (GCL2)

Series 5 force gauges may be controlled by an external device through the RS-232 or USB channels. The following is a list of supported commands and their explanations. All commands must be terminated by a CR (Carriage Return) character, 0x0D, or a CR-LF (Carriage Return – Line Feed) pair, where the Line Feed, 0x0A, is ignored.
Request Readings ? Request the displayed reading (dependent on operating mode) ?C Request the current (real time) reading ?PT Request the peak tension reading ?PC Request the peak compression reading ?ET Request the reading obtained during the External trigger mode ?A Request the average reading obtained during the Average mode
Units LB Switch units to pound-force OZ Switch units to ounce-force KG Switch units to kilogram-force G Switch units to gram-force N Switch units to Newtons MN Switch units to Milli-Newtons KN Switch units to Kilo-Newtons
Basic Functions
CUR Current mode (real time mode) for primary reading PT Peak Tension mode for primary reading PC Peak Compression mode for primary reading CLR Clear peaks Z Zero display and perform the CLR function
Filters FLTPn Digital filter for displayed readings FLTCn Digital filter for current readings n= 0-10, filter = 2 Memory & Statistics MEM Transmit all stored readings STA Transmit statistics CLRMEM Clear all stored readings from memory
Set Points
SPHD Disable high set point SPLD Disable low set point SPHn High set point. n=value (+ for compression, - for tension) SPLn Low set point. n=value (+ for compression, - for tension)
USB/RS-232 Communication
FULL USB/RS-232 transmission with units NUM USB/RS-232 transmission without units (only numeric values) AOUTn Auto-transmit n times per second n=1,2,5,10,25,50,125,250. 0=disabled
Note: n = 1 = yields 50 times per second. This is provided for backward
compatibility with legacy gauges. IPOLn Invert polarity of output. n=1=invert polarity. n=0=normal (default) Note: Normal polarity is positive for compression and negative for tension. OPOLn Omit polarity of output. n=1=omit polarity. n=0=include polarity (default) Note: The “+” sign is always omitted. A “–“ sign is sent when polarity is enabled.
n
, ex: n=0= no filter, n=10=1024 samples averaged
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Mitutoyo Communication MIT Enable Mitutoyo output MITD Disable Mitutoyo output POL Mitutoyo output with polarity (+ for compression, - for tension) NPOL Mitutoyo output without polarity (absolute value) PM Print/send data to a Mitutoyo-compatible device
Averaging
A Enable Average mode AD Disable Average mode AM Select Average mode (if enabled) for primary reading ATn Average time. n=0.1-300.0 seconds DELn Initial delay. n=0.1-300.0 seconds TRFn Trigger force. n=value (+ for compression, - for tension)
External Trigger ETH Enable high level-triggered External trigger mode ETL Enable low level-triggered External trigger mode ETHL Enable reading captured on a high to low transition ETLH Enable reading captured on a low to high transition ETD Disable External trigger mode
Input / Output Bits Sn Set output bit (open drain, pull to ground). n=0,1,2 Cn Clear output bit. n=0,1,2 Rn Read current status of output bit or level of input pin. n=0,1,2,3
Personality
RN Read product name RM Read model number RV Read firmware version number RS Read serial number
Other Commands
AOFFn Auto-shutoff. n=0-30 minutes. 0=auto shutoff disabled SAVE Save current settings in nonvolatile memory LIST List current settings and status

9.7 Command Responses

In response to a reading request command (those which begin with ‘?’) the gauge will return a string with the load data, followed by a space, then the load unit (if enabled under the Serial/USB Settings Data format sub-menu). It will be terminated by a CR-LF pair.
Example return strings:
-0.486 lbF<CR><LF> 0.486 lbF of tension force
1.724 N<CR><LF> 1.724 N of compression force
The number of digits after the decimal point is dependent of the gauge’s capacity and resolution.
By default, the minus sign (-) indicates tension, and the absence of a sign indicates compression. However, positive / negative polarity may be inverted or omitted under the Serial/USB Settings Format sub-menu.
Following is an example LIST output: V1.00;LBF;CUR;FLTC8;FLTP1;AOUT00;AOFF5;FULL;IPOL0;OPOL0;MIT;POL;B0
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Data
Series 5 Digital Force Gauges User’s Guide
23
CALIBRATION
5
CALIBRATION
All fields are separated by “;”. The first field shows the firmware version, the last field shows the remaining battery power (B0=full charge, B3=minimum power). All other fields show the status of settings and features using the same abbreviations as the commands to set them.
Any detected errors are reported back by means of the following error codes:
*10 Illegal command *11 Not applicable *21 Invalid specifier *22 Value too large *51 Command string too long (25 characters maximum)

10 CALIBRATION

10.1 Initial Physical Setup

The gauge should be mounted vertically to a test stand or fixture rugged enough to withstand a load equal to the full capacity of the instrument. Certified deadweights or master load cells should be used, along with appropriate mounting brackets and fixtures. Caution should be taken while handling such equipment.

10.2 Calibration Procedure

1. Select Calibration from the menu. The display appears as follows:
To invert the display, press the DIRECTION button, then press ENTER.
2. Press DIRECTION to invert the display, if desired. ENTER to continue. The display appears as follows:
Enter # cal points
(1 to 10)
Compression:
5
Tension:
The gauge can be calibrated at up to 10 points in each direction. Enter the number of calibration points for each direction (compression and tension). At least one point must be selected for each direction.
Note: To achieve the accuracy specification of ±0.1%, it is recommended to calibrate the gauge at 5 or more even increments in both tension and compression directions. For example, a gauge with capacity of 10 lbF should be calibrated at 2, 4, 6, 8, and 10 lb loads in each direction.
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CALIBRATION
CALIBRATION
CALIBRATION
CALIBRATION
CALIBRATION
CALIBRATION
3. To escape the Calibration menu at any time, press ESCAPE. The display appears as follows:
NOT COMPLETE
Cancel Exit w/o saving
Selecting “Cancel” will revert back to the Calibration setup. Selecting “Exit w/o saving” will return to the menu without saving changes
4. After the number of calibration points has been entered, press ENTER. The display appears as follows:
OFFSET
Place force gauge horizontally, then press ZERO.
5. Place the force gauge horizontally on a level surface free from vibration, then press ZERO. The gauge will calculate internal offsets, and the display appears as follows:
OFFSET
Please wait…
OFFSET
Sensor passed Analog passed
If failed:
6. The following screen appears after the offsets have been calculated:
COMPRESSION
Attach necessary weight fixtures, then press ENTER.
Attach weight fixtures (brackets, hooks, etc), as required. Do not yet attach any weights or apply
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OFFSET
Sensor failed Analog failed
Series 5 Digital Force Gauges User’s Guide
25
CALIBRATION
Press ENTER.
CALIBRATION
CALIBRATION
CALIBRATION
7. The display appears as follows:
COMPRESSION
Optionally exercise sensor, then press ENTER.
Optionally exercise the load cell shaft several times (at full scale, if possible), then press ENTER.
8. The display appears as follows:
COMPRESSION
Gain adjust
Apply full scale load
10.000 lbF +/-20%, then press ENTER.
Apply a weight equal to the full scale of the instrument, then press ENTER.
9. After displaying “Please wait…” the display appears as follows:
COMPRESSION
Ensure no load,
then press ZERO.
Remove the load applied in Step 8, leave the fixtures in place, then press ZERO.
10. The display appears as follows:
COMPRESSION
Apply load
1 OF 5
Enter load:
2.000 lbF
Use the UP and DOWN keys to adjust the load value as required. The load values default to even increments, as indicated by the previously entered number of data points (even increments are recommended for best results). For example, if a 50 lbF capacity gauge is calibrated, and 5 data points were selected, the load values will default to 10, 20, 30, 40, and 50 lb. Apply the calibration load. Then press ENTER.
Repeat the above step for the number of data points selected.
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26
CALIBRATION
CALIBRATION
CALIBRATION
then press ENTER.
11. After all the compression calibration points have been completed, the display appears as follows:
COMPRESSION COMPLETE
Reverse direction for tension. Attach necessary weight fixtures,
Press ENTER.
12. The display appears as follows:
To invert the display, press the DIRECTION button, then press ENTER
Reverse the orientation of the load cell shaft by rotating the gauge 180 degrees. Press DIRECTION to invert the display. Then attach weight fixtures. The following screens will step through the same procedure as with the compression direction. Proceed in the same manner.
13. At the completion of the tension calibration, the display appears as follows:
COMPLETE
Save & exit Exit w/o saving
To save the calibration information, select “Save & exit”. To exit without saving the data select “Exit without saving”.
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27
CALIBRATION
CALIBRATION
CALIBRATION
CALIBRATION
14. Any errors are reported by the following screens:
Units must be gF.
Please try again
Press ENTER.
Displayed at the start of calibration if a disallowed unit is selected.
Load not stable.
Please try again.
Ensure that the load is not swinging, oscillating, or vibrating in any manner. Then try again.
COMPRESSION
Load too low.
Please try again.
The calibration weight does not match the set value.
TENSION
Load too close
to previous.
Please try again.
The entered calibration point is too close to the previous point.
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CALIBRATION PASSWORD
PASSWORDS
PASSWORDS
+ More

11 PASSWORDS

Two separate passwords may be set to control access to the Calibration section and to the menu and other keys. To access the passwords setup screen, select Passwords from the menu. The display appears as follows:
Calibration MENU Key UNITS Key MODE Key
ZERO Key
Select “+ More” for additional options:
DATA Key CLEAR Key
POWER Key

11.1 Calibration Password

Select Calibration from the sub-menu. The display appears as follows:
* Disabled Enabled Set Password (0000 – 9999)
5000
To set the password, select Enabled, then Set Password. Use the UP and DOWN keys to increment and decrement the value, from 0 to 9999. When the desired value has been selected, press ENTER, then
ESC to exit the sub-menu.

11.2 Menu Key Password

If enabled, every time the MENU key is selected, a password must be provided. Select Menu Key from the sub-menu. Follow the same procedure as described in the previous sub-section.

11.3 Locking Out Other Keys

Other keys may be locked out individually. Select any combination of keys (UNITS, MODE, ZERO, DATA, CLEAR, POWER) by pressing ENTER in the Passwords sub-menu. Pressing a locked key will
prompt the message “KEY PROTECTED” instead of performing the key’s function.
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INCORRECT PASSWORD
Press ENTER or ESC

11.4 Password Prompts

If passwords have been enabled, the following will be displayed when pressing the MENU key or accessing the Calibration section:
ENTER PASSWORD
(0000 – 9999)
5000
Use the UP and DOWN keys to select the correct password, then press ENTER to continue.
If the incorrect password has been entered, the display appears as follows:
Reset password
Request code:
XXXX
To re-enter the password, press ESC to exit to the home screen. Then, access the desired function and enter the password again when prompted.
If the password has been misplaced, it can be reset. Press ENTER to generate a request code. The
request code must be supplied to Mark-10 or a distributor, who will then provide a corresponding authorization code. Enter the activation code to disable the password.
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Selection
Description
Disabled
Disable automatic shutoff.
Enabled
Enable automatic shutoff.
Set Minutes
The length of time of inactivity. Available settings: 5-30, in 5 minute increments.
Selection
Description
Off
Backlight to be off upon powering on the gauge.
On
Backlight to be on upon powering on the gauge.
Auto
Backlight to be on upon powering gauge, but will shut off after a period of inactivity (as
Minutes parameter. Available settings: 1-10, in 1 minute increments.
BACKLIGHT
1
AUTOMATIC SHUTOFF

12 OTHER SETTINGS

12.1 Automatic Shutoff

The gauge may be configured to automatically power off following a period of inactivity while on battery power. Inactivity is defined as the absence of any key presses or load changes of 100 counts or less. To access these settings, select Automatic Shutoff from the menu. The display appears as follows:
Disabled * Enabled Set Minutes 5
Note: If the AC adapter is plugged in, the gauge will ignore these settings and remain powered on until the POWER key is pressed.

12.2 Backlight

Although the backlight may be turned on and off at any time by pressing the BACKLIGHT key, there are several available initial settings (applicable upon powering on the gauge). To access these settings, select Backlight from the menu. The display appears as follows:
Off On * Auto Set Minutes
defined in the Automatic Shutoff sub-section). The backlight will turn on again when activity resumes. The length of time of inactivity is programmed in minutes via the Set
Note: If the AC adapter is plugged in, the gauge will ignore these settings and keep the backlight on.
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INITIAL SETTINGS
TONES
LCD CONTRAST

12.3 LCD Contrast

The contrast of the display may be adjusted. Select LCD Contrast from the menu. The screen appears as follows:
Set Contrast
10
Press ENTER to modify the contrast. Select a value from 0 to 25, 25 producing the most contrast.

12.4 Tones

Audible tones can be enabled for all key presses and alerts, such as overload, set point value reached, etc. The Set Point alert can be configured to be either a momentary tone or a continuous tone (until the load is restored to a value between the set points). To configure the functions for which audible tones will apply, select Tones from the menu. The screen appears as follows:
Keys * Alerts Set Points * Momentary Continuous

12.5 Initial settings

This section is used to configure the initial settings upon powering on the gauge. The initial units of measurement and the primary reading measurement mode may be configured. To access these settings, select Initial Settings from the menu. The screen appears as follows:
Units lbF Mode Real Time
The default values are lbF and Real Time.
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Digital Force Gauge
RESTORE DEFAULT

12.6 Restore Default Settings

Default factory settings can be restored by selecting Restore Defaults from the menu. The settings may be found in the Specifications section. The screen appears as follows:
SETTINGS?
No
Yes

12.7 Information / Welcome Screen

The following screen is displayed at power-up and can be accessed at any time by selecting Information from the menu:
Series 5 Model No: M5-50 Serial No: 1234567 Version: 1.0 (c) Mark-10 Corp.
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Accuracy:
±0.1% of full scale
Sampling rate:
7,000 Hz
Power:
AC or rechargeable battery. Low battery indicator appears when battery level is low, and
Backlight on: up to 7 hours of continuous use Measurement units:
lbF, ozF, gF, kgF, N, kN, mN, COF (depending on model)
USB / RS-232: Fully configurable up to 115,200 baud. Includes Gauge Control Language
Set points:
Safe overload:
200% of full scale (display shows “OVER” at 110% and above)
M5-012 - M5-100, M5-2-COF: 1.0 lb [0.45 kg] Carrying case, chisel, cone, V-groove, hook, flat, extension rod, thread adapter (M5-1000
Environmental Warranty:
3 years (see individual statement for further details)
Literature & Software:

13 SPECIFICATIONS

13.1 General

gauge powers off automatically when power reaches critical stage.
Battery life:
Outputs:
Weight:
Included accessories:
requirements:
Backlight off: up to 24 hours of continuous use
2 for full computer control.
Mitutoyo (Digimatic): Serial BCD suitable for all Mitutoyo SPC-compatible devices. Analog: ±1 VDC, ±0.25% of full scale at capacity, General purpose: Three open drain outputs, one input.
Three open drain lines.
M5-200 - M5-500: 1.2 lb [0.54 kg] M5-750 – M5-2000: 1.8 lb [0.82 kg]
only), AC adapter, battery, USB cable, NIST-traceable certificate of calibration with data
40 - 100°F, max. 93% humidity, non-condensing
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Parameter
Setting
Set points
Upper Disabled (defaults to 80% of full scale, compression, when enabled)
M5-2-COF: Disabled (defaults to 0.8 COF [tension] when enabled)
Lower Disabled (defaults to 40% of full scale, compression, when enabled)
M5-2-COF: Disabled (defaults to 0.4 COF [tension] when enabled)
Filters
Current
8
Displayed
512
Average mode
Disabled (enabled for M5-2-COF gauge)
Initial Delay
0
Trigger Force
10% of full scale
Averaging Time (sec.)
5.0
External Trigger
Disabled
DATA Key Functions
RS-232/USB Output
Enabled
Mitutoyo Output
Disabled
Memory Storage
Enabled
Serial/USB
RS-232 Output Selected
Enabled
USB Output Selected
Disabled
Baud Rate
115,200
Data Format
Numeric + units
Auto Output
Disabled
Outputs per Sec.
125
Mitutoyo BCD Output
Disabled
Tones
Keys
Enabled
Alerts
Enabled
Set Points
Momentary
Automatic Shutoff
Enabled
Minutes
5
Backlight
Auto
Minutes
1
Initial Settings
Units lbF
M5-2-COF: COF
Mode Real Time
M5-2-COF: Average
COF (M5-2-COF only)
Enabled
Sled Weight
200 g
Passwords
All passwords disabled

13.2 Factory Settings

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M5-025
M5-10
M5-50
M5-500
12000 x 10
M5-1000

13.3 Capacity x Resolution

Model lbF ozF kgF gF N kN mN
M5-012 0.12 x 0.00002 2 x 0.0005 - 50 x 0.01 0.5 x 0.0001 - 500 x 0.1
0.25 x 0.00005 4 x 0.001 - 100 x 0.02 1 x 0.0002 - 1000 x 0.2
M5-05 0.5 x 0.0001 8 x 0.002 - 250 x 0.05 2.5 x 0.0005 - 2500 x 0.5
M5-2* 2 x 0.0005 32 x 0.01 1 x 0.0002 1000 x 0.2 10 x 0.002 - -
M5-5 5 x 0.001 80 x 0.02 2.5 x 0.0005 2500 x 0.5 25 x 0.005 - -
10 x 0.002 160 x 0.05 5 x 0.001 5000 x 1 50 x 0.01 - -
M5-20 20 x 0.005 320 x 0.1 10 x 0.002 10000 x 2 100 x 0.02 - -
50 x 0.01 800 x 0.2 25 x 0.005 25000 x 5 250 x 0.05 - -
M5-100 100 x 0.02 1600 x 0.5 50 x 0.01 50000 x 10 500 x 0.1 - -
M5-200 200 x 0.05 3200 x 1 100 x 0.02 - 1000 x 0.2 1 x 0.0002 -
M5-300 300 x 0.1 4800 x 2 150 x 0.05 - 1500 x 0.5 1.5 x 0.0005 -
500 x 0.1 8000 x 2 250 x 0.05 - 2500 x 0.5 2.5 x 0.0005 -
M5-750 750 x 0.5
1000 x 0.5 16000 x 5 500 x 0.2 - 500 x 10 5 x 0.002 -
M5-1500 1500 x 1 24000 x 20 750 x 0.5 - 7500 x 5 7.5 x 0.005 -
M5-2000 2000 x 1 32000 x 20 1000 x 0.5 - 1000 x 0.5 10 x 0.005 -
375 x 0.2 - 3750 x 2 3.75 x 0.002 -
* Model M5-2-COF also includes the COF unit, with capacity of 5 and resolution of 0.001. The capacity is variable, depending on sled weight. The value of 5 represents the capacity based on the default sled weight of 200 g.
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Thread
Flat
M5-012 – M5-100, M5-2-COF
#10-32M UNF
5/16 [7.94]
M5-200 – M5-500
5/16-18M UNC
5/16 [7.94]

13.4 Dimensions (in [mm])

M5-012 – M5-500
M5-750 – M5-2000
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