Cooper Instruments & Systems STX-1 Digital Strap Tension Meter - Manual (Page 2)

CF 124 1/19/12 2
4. Battery pack assembly cannot be overcharged, however instrument will remain on while plugged into power
supply.
5. Fully charged battery assemblies will operate approximately six hours +/- 20% depending upon usage and
backlighting intensity.
6. Battery charge level is indicated in the upper, right-hand corner of the display.
3.0 OPERATION: QUICK START
1. TURN UNIT ON by pressing ON button. Display shows: Tension (Lbs, Newtons, or Kilograms), Cable size
selected and battery charge level.
2. MEMORY FUNCTION. Depress the MEMORY button to store and display up
to five separate tension readings, plus the average (AVG) of these stored
values.
3. MOVE BETWEEN SCREENS by pressing either the ↑ or ↓ arrows. To make,
or enter a selection, depress the ENTER key. To exit a setting, depress the
ESCAPE
key.
4. ZERO THE INSTRUMENT before taking readings by holding the instrument
in the attitude in which it will be used, and with no load applied press the
button marked ZERO.
5. READING OF TENSION. Variations in materials and sizes affect tension
readings. It is essential to select the correct material and size from the
calibration menu before use, or values may be incorrect.
6. SELECT MATERIAL. From the Main Display (first screen seen when unit is
turned on) use the ↑ or ↓ keys until SELECT MATERIAL is displayed. Press
ENTER
. Next toggle through the various selections using the ↑ or ↓ arrows
until correct strap size is highlighted, and press ENTER to make your
selection. If your specific material is not listed, follow the calibration
instructions included at the end of these instructions, or send a sample and
the instrument to Cooper Instruments for a custom calibration.
7. SELECTING TENSION UNITS IN LBS, KILOGRAMS or NEWTONS. Press the ↑ or ↓ keys until TENSION
UNITS is displayed. Press ENTER. Next, select: Lbs, Kilograms or NEWTONS and ENTER selection.
8. ENGAGE INSTRUMENT TO TENSIONED MATERIAL. For best accuracy hold the instrument in the attitude
the measurement will be taken in and press ZERO. Then engage the tensioned material by slipping or guiding
the instrument’s three contact elements onto the strap. Proper routing of the strapping material is: under the
two, outside guide pins, and over the center contact element.
4.0 ADDITIONAL TECHNICAL INFORMATION
1. SPEEDING UP OR SLOWING DOWN DISPLAY LCD REFRESH RATES -DAMPENING ADJUSTMENT. To
either speed up or slow down the rate at which tension values refresh on the display. Use the ↑ or ↓ keys,
select SETUP, and press ENTER. Next select Dampening and after entering this selection, choose the refresh
rate from: 1Hz, 2Hz or 5Hz. When new rate is highlighted, press ENTER.
2. AUDIO. Turn on or off audio beep (with key inputs) by selecting: SETUP, then select Audio, and finally either
select ON or OFF.
3. BACKLIGHTING INTENSITY. Increase or decrease backlighting intensity by selecting: SETUP, then
BACKLIGHT , and finally intensity level.
4. DATA LOGGING. (Optional feature). From the Main display use the UP or DOWN keys until Data Logging is
displayed. Press ENTER. Next, select Logging Rate and select Hz rate which your data will be collected in
(choices are from 1Hz to 100Hz). Next select Duration and select the time period the data will be collected
over by using the UP or DOWN keys. Finally select Begin Logging when you are ready to collect your data.
Note: You can stop collecting data at any time by simply depressing ESC (escape). Collected data will remain
in memory, regardless if instrument is turned off, and will only be overwritten once new data is collected. To
view collected data select View Data Log and press ENTER. Logged Data can also be uploaded to your
computer via the RS-232, serial port. Refer to Sec 4.12, Uploading logged data, for specific instructions.
5. DISPLAY CONTRAST. Increase or decrease LCD display contrast by selecting: SETUP, then select
CONTRAST , and finally manipulate contrast using the ↑ or ↓ keys. Remember to ENTER your new setting.