MRM Precision Instruments Inc.
Digital Torque Gauges Series TT03


 

TT03 digital torque gauges are designed for clockwise and counter-clockwise torque testing applications in virtually every industry, with capacities from 10 ozFin to 100 lbFin (7 to 1,150 Ncm). A dedicated remote torque sensor with Jacobs chuck can be used to grip a sample, bit, or fixture. The gauges’ rugged aluminum housing allows for hand-held use or test stand mounting for more sophisticated testing requirements.

Series TT03 features 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.

The gauges include MESUR™ Lite data acquisition software, for tabulation of continuous or individual data points. One-click export to Excel allows for further data manipulation.






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

 

 
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  • Interchangeable force and torque sensors through Plug & Test™ technology (sensors are sold separately)
  • Sensor password protection, for preventing use of an unauthorized sensor
  • Password protection for individual keys and calibration
  • High-speed 14,000 Hz sampling rate
  • Continous data capture of up to 5,000 data points, at up to 14,000 Hz, downloadable to a PC
  • Individual data point memory for up to 5,000 readings, downloadable to a PC
  • USB, RS-232, Mitutoyo, and analog outputs
  • Sample break detection with auto functions, including stopping movement of a Mark-10 motorized test stand
  • Automatic output / data storage / zeroing upon various event completions
  • 1st / 2nd peak detection
  • 5 units of measurement, plus Coefficient of Friction and user-defined unit with configurable name
  • Programmable footswitch command string
  • Programmable set points, with indicators and outputs
  • Averaging mode - calculates average readings over time
  • External trigger mode - for switch contact testing or remotely stopping display update
  • Password protection, configurable for individual keys and calibration
 

The 7i indicator features several functions typically found in more complex instruments, such as materials testers, data acquisition systems, and PLCs. The following unique features are highlighted:

High Speed Data Capture & Storage

Series 7 can capture and store up to 5,000 continuous data points at a rate of up to 14,000 readings per second. This unique function is ideal for capturing switch activation forces, sharp breaks, and other short-duration applications. Configurable start and stop triggers are provided. The data acquisition rate is variable and can be slowed to also capture longer events, such as structure relaxation, material expansion, and others. Data from the storage buffer can be exported to data collection software such as MESUR™gauge for further analysis and graphing. Using a Series 7 gauge could replace cumbersome and expensive data acquisition hardware and software.


 

Footswitch Command String

Integrate your footswitch / automation system with a Series 7 gauge to improve testing ergonomics and efficiency; no need for multiple key presses. Up to three steps may be programmed for a single footswitch activation. Select from several commands, including request peak reading, zero the display, save to memory, and others. Time delays can be inserted between each step.


 

Automatic Data Output / Save / Zero / I/O Pin Toggle

Upon completion of several event types, the Series 7 can perform the following productivity-enhancing functions:

  • Automatically save the peak reading to memory.
  • Transmit the peak reading via USB, RS-232, or Mitutoyo output.
  • Zero the display. Toggle an I/O pin, for example to stop movement of an ESM301/ESM301L test stand.

Applicable events include:

  • Sample break detection (also applicable to samples which slip, click, or otherwise reach a peak, then fall).
  • Completion of an averaging sequence.
  • External trigger (ex. switch activation).
  • 1st / 2nd peak capture (ex. tensile testing).

 

User-defined Unit of Measurement

Series 7 gauges display 6 standard units of measurement. One additional user-defined unit is provided for unique applications. A base unit is specified, along with a multiplier, and 5-character name. Typical applications:

  • To measure the torque produced by pressing on a lever in a mechanical assembly, configure the multiplier based on the length of the lever, thereby converting a unit such as N into Ncm.
  • To measure the pressure produced by a circular compression plate on a foam sample, configure the multiplier based on the area of the plate, thereby converting a unit such as lbF into psi.


 
Accuracy: ±0.1% of full scale
Sampling rate:   14,000 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
Outputs:   USB / RS-232: Configurable up to 115,200 baud. Automatic output available up to 250 Hz. Includes Gauge Control Language 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.
Set points: Three open drain lines.
Safe overload:   150% of full scale (display shows “OVER” at 110% and above)
Weight:   0.7 lb (0.3 kg)
Included items:   Carrying case with 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), and NIST-traceable certificate of calibration with data.
Environmental requirements:   40 - 100°F, max. 96% humidity, non-condensating
Warranty:   3 years (see individual statement for further details)
     

                   
 
R01
S-beam force sensors, tension and compression
  R02
Miniature button force sensors, compression only
  R03
Inline force sensors, tension and compression
  R04
Miniature S-beam force sensors, tension and compression
  R05
Fully enclosed force sensor, push and pull
 
                   

                   
 
R50
Universal torque sensors
  R51
Universal torque sensors with interchangeable attachments
  R52
Tool calibration torque sensors
  R53
Closure torque sensors
  R55
Fully enclosed smart sensors, push and pull
 
                   
 

 
 

 
 

  Table Top Stand
Includes mounting holes for bench mounting and angle adjustment.
  MESUR™ Gauge Software -
tabulates and plots load vs. time or load vs. travel. Also calculates statistics, exports to Excel, and more.
  Upgrade to Plug & Test™
Upgrade service replaces BGI style connector with 7i/5i/3i Plug & Test™ connector.
  Output Cables
Send test data to a PC, statistical printer, or other data collector for further analysis.
     

 
Model Description
M7I Force/torque indicator, 110V
M7IE Force/torque indicator, 220V European Plug
M7IU Force/torque indicator, 220V UK Plug
M7IA Force/torque indicator, 220V Australian Plug
 
Additional Items to Consider
15-1004 MESUR™gauge software
09-1163 Cable, Series 5 to RS-232
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
AC1008 Stand, table top
SVC014 Upgrade service, BGI style connector to Plug & Test™ connector,
with NIST certificate of calibration with data.
   

 
 



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