Checkline BTM-400PLUS Bedienungsanleitung PDF herunterladen (Seite 6)

6.0 MENU STRUCTURE

7.0 MEASURING PROCEDURE

WARNING: All measurements and adjustments must be made with

the belt at a standstill.

1. Switch on the BTM-400PLUS by pressing the ON/OFF pad key.

2. Check that the belt density (kg/m or lb/ft} and Free Belt Span (L) settings

for the belt involved have been entered into the microprocessor by pressing

the corresponding pad keys. When the key is pressed, the display will flash

the last value of the parameter selected. If correct, press ENTER to

confirm the setting. If incorrect, press the UP or DOWN key to adjust

to the correct value, then press ENTER to accept revised value.

3. Tap or pluck the drive belt at the middle of the Free Belt Span so that it

begins to vibrate. Hold the sensor probe approximately at the center of

the L span, and at a distance of 3 to 20 mm above the belt, with its light

directed to the belt. Refer to Figure 3. Readings will appear on the display

4. Successful measurement is acknowledged by an acoustic signal and the

indication “process busy” appears on the display.

5. The measured value is displayed in Hz or N/lbf, as pre-selected.

NOTE: If frequency (Hz) alone is of interest, disregard step 2, above.

Figure 4. Measuring Free Belt

Vibration Frequency

Figure 5. Keypad

Free Span Length

Belt Density

Keys on the membrane

keypad

ENTER

ARROW UP

ARROW DOWN

ON/OFF

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