Changing Units between Lb-Ft and Nm
The Meter will display the measurement values in the desired units
of either Lb-Ft or Nm. Press and hold both the up arrow (?) and
down arrow (?) simultaneous for approximately 2 seconds to
change the units.
Power Off
Press and hold the center red ON/OFF/RESET for approximately 3
seconds to power the unit off.
The meter will conserve battery power by powering down if no
buttons are pressed and no torque measurements are made for
approximately 7 minutes. The meter will also shut down after 2
minutes if there is no sensor cable detected at the cable socket.
The meter will also shut off in case of a low battery condition or
Er5 Error condition.
Low Battery Indicator
A flashing battery appears in the display when it is time for battery
replacement. The unit will automatically power down when the
battery becomes too weak for use.
Important Suggestions
Threads on bolts, nuts, and other mating components should be
clean and smooth. A lubricant applied to the threads and under
the heads of bolts will produce more accurate and consistent
results.
Never torque a fastener that is already tightened. Loosen it first
then re-torque to the desired value. The same applies to fasteners
that were accidentally over tightened.
When tightening many fasteners securing a component (engine
head, pipe flanges, etc.) follow the manufacturer’s recommended
procedures. Lacking such procedures, torque fasteners in a criss-
cross pattern, initially to 60% of the desired torque, then repeat the
tightening pattern again to the final torque value.
Use the audible alarm available in the TARGET mode to aid in
setting the torque value without over-tightening. Slowly applying
tightening force to prevent overshoot.
Care and Maintenance
The FAST Torque Sensor System is a precision instrument and
should be handled and stored with care. Strictly use the sensor for
tightening and loosening threaded fasteners. Never strike the
sensor nor should the sensor be used for prying or bending
DO NOT apply more torque than the rated capacity of the torque
sensor system. Doing so can damage the sensor calibration.
The plastic components will not be affected by petroleum
lubricants but they will be damaged by Acetone, MEK, and other
aggressive solvents. Generally clean plastic surfaces with a soft
cloth slightly dampened with water or a suitable plastic cleaner.
NEVER immerse any sensor components in liquid.
Cleaning the connector by rubbing with a soft cloth will improve the
contact and minimize intermittent contact errors.
Never bring a magnet or strong magnetic source in contact or
within 1 inch of the sensor. Doing so can permanently damage the
sensor. In case of accidental exposure load the sensor 3 times to
+/- full scale to initiate self repair.
The Torque Sensor System should be periodically checked for
accuracy when it is used frequently or is subjected to abnormal
handling or storage.
There are no user serviceable components inside the sensor.
Error Codes
The following error codes may be displayed on the meter:
Er1 = Exceeding Electronic Limit
Er2 = Electronic Circuit Failure
Er3 = Exceeding Display Limit
Er4 = Connection Problem with cable or connector
Er5 = Memory Error (unit switches itself off)
– – – = No Sensor Connection
When an error code is displayed first verify that the cable is not
damaged and is securely plugged into the meter. If the error
remains try cleaning the connector contact and replacing the
battery.
Meter and Sensor Set Specifications
• Measurement range:
o 0 to 111 Lb-Ft (0 to 150 Nm)
• Measurement Accuracy:
o +/-3% of reading for 50 to 111 Lb-Ft (68 to 150 Nm)
o
+/-1.5Lb-Ft (2Nm) for less than 50 Lb-Ft (68 Nm)
• Dimensions and Sizes:
o ½” Male/Female drive
o Sensor: 4” shaft length, 1.75” diameter
o Meter: 3 ½” x 6 ½” x 1 ¾”
o Interconnect Cable Length: 4.3’
• Meter Electronics:
o 4Mhz processor
o 2000Hz sampling frequency
o Approximately 8mAmp supply current
• LCD Display:
o 0.7” Characters
o
Update Frequency: 8Hz
• Measurement Display Resolution:
o 0.1 from 1.0 – 165.0 Lb-Ft or 1.0 to 199.9 Nm
• Measurement Sampling Frequencies:
o Continuous Mode: 30Hz
o Peak Mode: 250Hz
• Selectable Units:
Lb-Ft, Nm
• Selectable Modes:
o Continuous Track
o Peak Hold
o Target Alarm
• Battery:
o 9 volt alkaline battery required (purchase separately)
• Auto Zero:
o The unit will Auto Zero upon power up and upon
plugging in the sensor after being unplugged for
more than 30 seconds
Emobile-Tech
Tel:02-529-5549
Fax :02-2606-1722
www.emobile-tech.com / www.torques.co.kr
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