Bedienungsanleitung Alphatron MPT-250B (Seite 3 von 6) (Englisch)

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MPT-250B SPECIFICATIONS AND

OPERATING INSTRUCTIONS

DATASHEET

______________________________________________________________________

Daniels Manufacturing Corporation, 526 Thorpe Road, Orlando, FL 32824, U.S.A.

Phone: (407) 855-6161 • Fax (407) 855-6884 • www.dmctools.com • Email: dmc@dmctools.com

3.2.2 Ring Terminal Lower Grip (Optional)

If the ring terminal lower grip has been ordered, installation is as follows:

A. Remove the screw holding the standard lower grip in place.

B. Substitute the optional grip for the standard grip and tighten the screw until the lower grip rotates with

resistance but is not loose or does not need to be forced to turn.

3.3 FRONT PANEL CONTROLS

3.3.1 MOTOR CONTROLS

NOTE: PRESS AND HOLD SWITCHES FOR APPROXIMATELY 1 SECOND TO ALLOW FOR PROPER ACTIVATION.

START – Motor start switch to begin test.

RESET – Resets display meter to zero, and resets pull wheel to START position for the next test. RESET must be

performed after each test.

STOP – Stops the motor and the meter retains the current peak value.

3.3.2 RATE OF PULL CONTROLS

LO-HI SWITCH

LO (Green) – selects rate of pull of 1-5 in/min.

HI (Yellow) – selects rate of pull of 6-10 in/min.

NUMBERED RATE SWITCHES

Select the rate of pull, 1-5 in/min (LO-Green), or 6-10 in/min (HI-Yellow) as chosen by setting of LO-HI switch.

3.3.3 DISPLAY CONTROLS

ZERO – Adjusts the display to true zero. When turned counterclockwise the meter reading will decrease. When

turned clockwise the meter reading will increase. The display will be checked for zero adjustments at startup and

after each test when the RESET switch is pressed.

RESET – Resets the display (clears peak values) to zero.

3.4 OPTIONAL CONTROLS ON THE FRONT PANEL

3.4.1 SETPOINT – The SETPOINT option enables an operator to set the force at which the MPT-250B is to stop

automatically if the test proceeds to that force and the connection under test does not fail.

When the SETPOINT/MEASURE switch is held in the MEASURE position it enables the operator to select the set

point by turning the SET adjusting knob next to the switch. As the knob is turned, the set point force will be

indicated on the display meter. Clockwise adjustment increases the set point value, and turning the knob

counterclockwise decreases the value. The force reading from the load cell is disabled, and will not be enabled

until the switch is in the SETPOINT (raised) position. Tests are conducted with the switch in the raised position.

When the load reaches the set point level, the motor will stop and the unit can be reset and reloaded for the next

test.

NOTE: The unit must be turned off, and then back on for the set point measure changes to take

effect.

This option can be used in conjunction with the AUTO STOP (section 3.5.1) feature. When both features are

turned on, the test will stop automatically if either condition is met (AUTO STOP, or SETPOINT).

If the peak reading of the force necessary to part a connection is desired, the set point should be at 249.9lb

before testing.

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