The model 25ST is designed for tension, compression, flexure and shear strength testing on materials and assemblies. The robust design that incorporates quality
materials and components ensures that our reputation for
superior system performance, ease of use, and longevity is
maintained. A variety of loadcells are available at differing
capacities that give precise applied load measurements from
the smallest test specimen to ones that go to full machine
capacity. Test machines become complete, powerful test
systems with the addition of grips to hold the specimen,
strain measurement instrumentation and Tinius Olsen’s
Horizon Data Analysis software.
MODEL 25ST
Electromechanical
Materials Testing Machine
Features and benefits
● Suitable for tension, compression, flexure,
shear and other tests to a maximum force of
25kN/5000lbf.
● Different system interface options are available,
from a familiar tethered
handheld interface, a wireless
Bluetooth interface panel
running an Android application,
or virtual machine controller
application running on
a PC. All interfaces work
with Horizon Data Analysis
software.
● Meets or exceeds the
requirements of national
and international standard
for materials testing systems.
● Eight full-length T slots built into
the machine column to allow accessories to be
securely mounted to the test frame.
● Built-in pneumatic distribution ports provide
local air supply to pneumatic grips.
OPTIONS AND ACCESSORIES
● Test frame can be extended by up to 400mm/16in
to increase test area size.1
● Grips and fixtures can be easily mounted securely
with a simple locking pin, which also allows
simple and rapid changes.
● Full range of precision extensometers and
deflectometers are available using video, laser,
encoder, strain gauge and/or LVDT technologies.
● Tinius Olsen’s Horizon software can be connected
to the tester by the operator.
1 Supplied at the time of order
Tinius O
lsen
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25EN
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2
www.tiniusolsen.com
Familiar handheld interface
that is tethered to the machine.
With its larger, tactile, sealed
keypad, this interface is ideal
for operators who use gloves to
load and unload specimens and
prefer a push button keypad. It
requires virtual machine control
software running on a connected
PC to operate the basic machine
functions and report basic
numerical test data.
Wireless handheld interface
that is connected to the
machine by a Bluetooth link.
The interface features an
Android-based operating
platform and can be used to
control the machine by itself
or in conjunction with Tinius
Olsen’s Horizon software
Specifications
MODEL 25ST SPECIFICATIONS
FRAME SPECIFICATIONS
Tension compression load capability Yes
Frame capacity
kN 25
kg 2500
lbf 5000
Proof tested 50% over frame capacity
Floor or table mounting Table mounting
Test zones One
Number of columns Two
Column material Aluminium extrusion
Column finish Anodized
Column color Natural
Base material Mild Steel
Base finish Pre-primed, top coat powder coat paint
Base color TO Cool Grey Web # E6 30 27
Crosshead material Mild Steel solid
Crosshead finish Pre-primed, top powder coat paint
Crosshead color TO Green Web # 00 4C 45
Base cover ABS recyclable
Base cover color Cal Black Web # 11 18 20
Distance between columns
mm 410
in 16
Maximum cross head travel
mm 1090
in 43
Optional crosshead travel
mm 410
in 16
Stiffness
kN/mm 100
klbf/in 557
Height
mm 1265
in 64
Width
mm 729
in 29
Depth
mm 506
in 20
Weight
kg 130
lb 287
Force protection system Yes, digital
Displacement protection system Yes, mechanical and user programmable
Accessory fitting interface type Female diameter
Ball screw type High precision low backlash
Ball screw cover/protection Yes
Crosshead drive system DC servo motor
Feet material Non-adjustable impact resistant plastic
Pneumatic air distribution 4mm OD hose with pushfit coupling, rated to 100psi maximum
Reference rule to support cross head
positioning Yes, mm and inches
T slots in columns for accessory mounting Eight x M6/M8
MODEL 25ST SPECIFICATIONS
Noise at full crosshead speed 2m radius 22db
NOTE – Software required for materials tests
CONTROLLER SPECIFICATIONS
Max data processing rate 168 MHz
Data acquisition rate at PC 1000 Hz
Number of instrument device
connections – external
Four
Number of instrument device
connections – internal
Three
Bluetooth enabled v4.0 with A2DP, LE, EDR
External PC connection USB
User interface connectivity TO HMC, Proterm, Horizon
FORCE MEASUREMENT
Force measuring device type Strain gage-based load cell
Load cells available 5N, 10N, 25N, 50N, 100N, 250N, 500N, 1kN, 2.5kN, 5kN, 10kN, 25kN
Resolution One part in 8388608
Accuracy +/-0.2% of applied force across load cell
force range
Range 0.2-100%
Calibration standard +/- 0.5% to ISO 7500-1 ASTM E4
Internal sampling rate 1000Hz
EXTENSION MEASUREMENT
Resolution 0.1μm
Accuracy +/-10μm
Range +/- 217m
Calibration standard ISO 9513, ASTM E83
Internal sampling rate 2.73kHz
POSITION CONTROL
Test speed
mm/min 0.001-1000 to 10kN
mm/min 0.001-500 to 25kN
in/min 0.00004-40 to 2000lbf
in/min 0.00004-20 to 5000lbf
Resolution
μm 0.1
in 0.000004
Accuracy +/- 0.005%
Return speed post test
mm/min 0.001-1000
in/min 0.00004-40
Crosshead positioning speed
mm/min 0.001-1000
in/min 0.00004-40
Return to zero function Yes
POWER REQUIREMENTS
Supply voltage options 110/240V
Frequency 50/60Hz
Power 2000W +/- 10%
ATMOSPHERIC REQUIREMENTS
Operating temperature 10-40°C
Operating humidity 10-90% non-condensing
Storage temperature 10-69°C
Storage humidity 10-90% non-condensing