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ESM303 Motorized Test Stand



The ESM303 motorized test stand is configurable for tension and compression measurement applications up to 300 lbF [1.5 kN]. 

A wide range of tests can be performed, including break testing, cycling, limit testing to a load or distance, load holding, elongation testing, tensile testing, compression testing, and more.

Configurable test speed, force and distance limits, cycling, preload, and many other functions, all protected by a password. 

Individual optional functions, such as travel measurement, cycling, loadholding, etc., may be purchased either upfront or enabled in the field through an activation code. This a-la-carte platform allows for custom configuration as appropriate for the application and budget. 

Collect force and travel data, plot and analyze the results, and control test stand motion via PC-based MESUR™gauge Plus software. Or, fully control the stand by a PC through a custom-written program in any language supporting ASCII communications.


  • Selectable speed setting
  • Upper and lower travel limit switches
  • Adjustable, removal controller with intuitive menu navigation
  • Password protection of test parameters
  • Stepper motor-driven, producing smooth and quiet operation with no speed variation under load
  • USB output of force vs. time or force vs. travel
  • Compact footprint, suitable for crowded workbenches
  • Ergonomic design, with smart, clean cable management
  • Integrated electronics assembly, easily removed and transported
  • Adjustable mounting plate with T-slot base
  • 3 year warranty


  • Load capacity
    • 300 lbF (1.5 kN) @ up to 24 in/min (610 mm/min)
    • 200 lbF (1 kN) @ >24 in/min (610 mm/min)
  • Maximum travel distance: 18.0 in (457 mm)
  • Speed range:
    • Standard: 0.5 - 13 in/min (13 - 330 mm/min)
    • Optional: 0.02 - 45 in/min (0.5 - 1,100 mm/min)
  • Speed setting accuracy: ±0.2% of setting
  • Speed variation with load: ±0% (stepper motor driven)
  • Travel accuracy: ±0.002 in. per 10 in. (±0.05 mm per 250 mm)
    • Because load cell deflection and system deflection are present and not automatically compensated for, this equipment is recommended for applications requiring at least 0.2 in [5 mm] of travel distance.
  • Travel resolution: 0.001 in / 0.02 mm
  • Limit switch repeatability: 0.001 in (0.03 mm)
  • Power: Universal input 80-240 VAC, 50/60 Hz, 60W
  • Weight: 56.5 lb (25.6 kg)
  • Warranty: 3 years [see individual statement for further details]
Optional Functions

Any of the below functions may be purchased at time of order or may be enabled in the field at a later date though a code activation process. The only exception is the AF009 travel measurement option, which also requires field hardware installation.

The test stand is shipped in Demo Mode, during which time all available features are temporarily enabled for 160 hours of operation.

Feature Part No. Description Requirements
FollowMe® AF008 Crosshead movement responds to manually pushing or pulling on the force gauge shaft or load cell. Increasing force produces greater speeds. Ideal for setups and quick positioning.
Included when ordering the ESM303-003 safety shield.
Series 7 or 5 gauge or indicator with load cell
09-1214 interface cable
Travel indication AF009 Travel is indicated on the control unit display, with output via USB. An internal scale utilizing Renishaw technology produces significantly higher accuracy than with conventional rotary encoder-based designs. Backlash and nonlinearity are virtually eliminated. If data output to a PC is required, add 09-1214 and 09-1158 cables, and a Series 7 or 5 gauge or indicator with load cell.
Field activation requires hardware installation. Otherwise, hardware is factory installed at time of order.
Computer control AF010 The ESM303 may be fully controlled by a PC through a custom-written program in any language supporting ASCII communications. Also responds to the legacy Chatillon TCD command set and legacy Nexygen TCD software (not available from Mark-10).
This option is not required for MESUR®gauge Plus software.
Series 7 or 5 gauge or indicator with load cell
AF009 travel indication
09-1214 interface cable
09-1158 USB output cable
For full speed range, consider AF017 and AF018 speed range extensions
Programmable travel limits AF011 The stand stops at or cycles between programmable upper and lower travel distances. AF009 travel indication option
Overload protection AF012 Protects a force gauge or force sensor against overload. Program the desired percentage of full scale of the gauge. Adjustable analog voltage setting allows the stand to interface with virtually any gauge with analog output. Series 7 or 5 gauge or indicator with load cell
09-1214 interface cable
Auto return AF013 The crosshead moves to a limit switch, force set point, travel position, or break, then stops and reverses direction at full speed to the opposite limit. If reversing at force set point: Series 7 or 5 gauge or indicator with load cell, and 09-1214 interface cable
If reversing at travel limit: AF011 programmable travel limits option
If reversing at break: AF019 break detection option and 09-1214 interface cable
Cycling / dwell time AF014 Same as auto return, but with the ability to program up to 100,000 cycles. Programmable dwell time for upper and lower limits (set independently) can be set up for up to 10,000 seconds. Same as auto return, at the same speed in each direction. Add AF016 for independent up and down speeds.
Independent Up and Down speeds AF016 Configurable speeds for up and down directions.
Low speed extension AF017 Extends the standard speed range down to 0.02 in/min (0.5 mm/min).
High speed extension AF018 Extends the standard speed range up to 45 in/min (1,100 mm/min).
Break detection AF019 Crosshead stops at a sudden drop in force. Programmable percentage of peak force. Series 7 or 5 gauge or indicator with load cell
09-1214 interface cable
Loadholding AF020 Dynamically adjusts the crosshead position to maintain a programmed load for an indefinite or specified period of time. Series 7 or 5 gauge or indicator with load cell
If a specified time is required, add AF014 cycling / dwell time option
09-1214 interface cable
Preload / sample touch AF021 Stops the crosshead and/or zeroes the travel display at an initial preload – useful in tensile, compression, spring, elongation, and other applications. Preload is programmable as a percentage of force gauge/load cell full scale. Three modes: (1) stop, (2) stop and zero, and (3) zero without stopping. AF009 travel indication
Series 7 or 5 gauge or indicator with load cell
09-1214 interface cable
Profiles AF022 Save and recall sets of test parameters, such as speeds, travel limits, preloads, etc. Up to 50 profiles may be stored.
Complete options package AFCOMP Includes all functions listed above, plus 09-1214 interface cable and 09-1158 USB cable.
Requires a Series 7 or 5 gauge or indicator with load cell.


Included Items
  • (1) ESM303 Motorized Test Stand
  • (1) G1024 extension rod, 2”
  • (1) G1028 small hook
  • (1) G1038 medium hook
  • (1) G1039 coupling, #10-32F/F
  • (1) G1009 compression plate, 2” dia.
  • (1) G1030 thread adapter, 5/16-18M to #10-32F
  • (4) Thumb screw for force gauge / indicator
  • (2) Thumb screw for limit switch
  • (1) Allen wrench set
  • (1) Control panel
  • (1) Control panel mounting bracket and hardware
  • (1) Power cord
  • (1) Resource CD


Related Products
09-1214 Interface Cable
Interface cable for Mark-10 force gauges to Mark-10 test stands, gauge to test stand cross-head.  Compatible Instruments Force Gauges and Indicators-Series 7, 5 and 4 Test Stands-ESM303, ESM750 and ESM1500
09-1158 USB Cable
USB cable, type B to A. The length of the cable is 6 ft. Compatible Instruments Communication from the following instruments to a PC. Test Stands:  ESM303, ESM750, ESM1500
ESM303-001 Single Column Extension
Increases the horizontal clearances for tall samples. *This only includes the column extension. The force gauge and test stand is sold separately. Compatible Items   ESM303 Test Stand
ESM303-002-1/-2/-3 Double Column Extension
Increases the horizontal and vertical clearances for large samples. *This only includes the column extension. The force gauge and test stand is sold separately. Compatible Items   ESM303 Test Stand
ESM303-003 Safety Shield
ESM303-003 safety shield attaches to an ESM303 test stand. It protects the operator from sample debris when a sample breaks.The shield is constructed of rugged PETG material. It rotates via ultra-smooth bearings in both the clockwise and counter-c...
15-1005 MesurgaugePlus Software for Mark-10 Motorized Test Stands
MESUR™gauge and MESUR™gauge Plus expand the functionality of force and torque measuring instruments and test stands. Both programs share the ability to capture and display data in graphical format for load vs. time or load vs. travel vs. time. MES...
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