MRM Precision Instruments Inc.
Digital Force Gauges
Series 3

Series 3 digital force gauges are designed for tension and compression force testing in numerous applications from 0.12 lbF to 500 lbF (0.5 N to 2500 N). The gauges feature a sampling rate of 2,000 Hz, producing accurate results under a wide range of test conditions. A backlit graphic LCD displays large characters, and a menu is available to access the gauges’ features and configurable parameters. USB output is provided for data collection purposes.

Set point indicators are provided for pass-fail testing. The gauges are overload protected to 150% of capacity, and an analog load bar is shown on the display for graphical representation of applied force.

An ergonomic, reversible aluminum housing allows for hand held use or test stand mounting for more sophisticated testing requirements. Series 3 digital force gauges are directly compatible with Mark-10 test stands, grips, and software.

The gauges include MESUR™ Lite data acquisition software. MESUR™ Lite tabulates continuous or single point data. One-click export to Excel allows for further data manipulation.


Use MESURgauge Software to tabulate, graph, and analyze test data  



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  • High-speed 2,000 Hz sampling rate
  • USB data output of continuous or individual data points
  • Ultra-compact size
  • Large backlit graphic display
  • Programmable set points with pass/fail indicators
  • Live load bar graph with set point markers
  • Peak readings and set points always displayed
  • 3 selectable units of measurement
  • Configurable audio alarms and key tones



Accuracy: ±0.3% of full scale
Sampling rate: 2,000 Hz
Power: AC or rechargeable battery. Multi-step low battery indicator is displayed, gauge shuts off automatically when power is too low.
Battery Life: Backlight on: up to 7 hours of continuous use
Backlight off: up to 24 hours of continuous use
Measurement units: lbF, gF, kgF, N (depending on model)
USB Outputs: Configurable up to 115,200 baud.
Safe overload: 200% of full scale (display shows “OVER” at 110% and above)
Weight: M3-012 - M3-100: 0.7 lb [0.33 kg]
M3-200 - M3-500: 0.9 lb [0.41 kg]
Included items: Carrying case, chisel, cone, V-groove, hook, flat, extension rod, universal voltage AC adapter, battery, quick-start guide, USB cable, resource CD (USB driver, MESUR™ Lite software, MESUR™gauge DEMO software, and user's guide), NIST-traceable certificate of calibration (data is available for an additional charge)
Warranty: 3 years (see individual statement for further details)

A wide range of test stands and gripping fixtures

MESUR™gauge software
tabulates and plots load vs. time or load vs. travel. Also calculates statistics, exports to Excel, and more.
Certificate of calibration with data
Eye end adapters
allow for quick grip installation and removal, and prevent grip rotation. Mount to common test frames, load cells, and force gauges.
Mounting plate
For mounting Mark-10 gauges to a fixture or testing system. Includes mounting hardware.
: Gauge mounting plates are included with Mark-10 test stands.

Capacity x Resolution
Model lbF kgF gF N
0.12 x 0.0001
- 50 x 0.05 0.5 x 0.0005
0.25 x 0.0002
- 100 x 0.1 1 x 0.001
0.5 x 0.0005
- 250 x 0.2 2.5 x 0.002
2 x 0.002
1 x 0.001 - 10 x 0.01
5 x 0.005
2.5 x 0.002 - 25 x 0.02
10 x 0.01
5 x 0.005 - 50 x 0.05
20 x 0.02
10 x 0.01 - 100 x 0.1
50 x 0.05
25 x 0.02 - 250 x 0.2
100 x 0.1
50 x 0.05 - 500 x 0.5
200 x 0.2
100 x 0.1 - 1000 x 1
500 x 0.5
250 x 0.2 - 2500 x 2
All models include 110V AC adapters. Add suffix ‘E’ for euro plug (220V), ‘U’ for UK plug (220V), or 'A' for Australian plug (220V).
Example: M3-20E, M3-100U, M3-500A
Additional Items to Consider
CERT Certificate of calibration with data
15-1004 MESUR™gauge software
09-1165 Spare USB cable
08-1026 Spare rechargeable battery
AC1030 Spare AC adapter, 110V
AC1031 Spare AC adapter, 220V EUR
AC1032 Spare AC adapter, 220V UK
AC1035 Spare AC adapter, 220V AUS
AC1052 Mounting plate kit

Gauge Model
Accessory M3-012 - M3-20 M3-50 - M3-100 M3-200 - M3-500
Extension Rods G1024 G1024 G1031
Cone G1026 G1026 G1033
Chisel G1025 G1025 G1032
V-Groove G1027 G1027 G1034
Flat G1029 G1029 G1036
Hook G1028 G1038 G1035
Coupling - G1039 G1037


M3-012 - M3-100 #10-32 UNF
M3-200 - M3-500 5/16-18 UNC

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