Extech SDL800 Operating Manual

Vibration Meter

SD Card real-time datalogger

Model SDL800

USER GUIDE

Introduction

Congratulations on your purchase of the Extech SDL800 Vibration Meter. This meter displays and
stores vibration readings of Acceleration, Velocity and Displacement. Supported measurement units
are meters/s
card for transfer to a PC. This meter is shipped fully tested and calibrated and, with proper use, will
provide years of reliable service.

2

, ft/s2, g, mm/s, cm/s, in/s, mm and inch. Logged data readings are stored on an SD

Safety

International Safety Symbols

This symbol, adjacent to another symbol or terminal, indicates the user must refer to the
manual for further information.

Meter Description

1. Vibration pickup input jack

2. Measurement Display

3. HOLD and Backlight

4. Power ON-OFF

5. Up arrow ▲ / UNIT key

6. Down arrow ▼ / Function key

7. ENTER and LOG key

8. SD card slot

9. Vibration pickup

10. DC Adaptor socket, Reset key
and Data output jack

11. SET and Clock

12. MAX-MIN key

13. Unit of measure Display

Notes: Items listed in “10” are located behind the snap-off compartment cover on meter’s right side.

Battery compartment, tilt stand, and tripod mount are located on the rear of the instrument

key

key

key

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Getting Started

Power ON-OFF

 Power the meter by pressing and holding the power button

 Press and hold the power button for at least 1.5 seconds to power OFF the meter.

 This meter is powered by six (6) 1.5VDC ‘AA’ batteries or by optional AC adaptor. If the meter

will not switch ON please check that fresh batteries are installed in the rear battery compartment
or, in the case of the AC adaptor, check that the adaptor is connected correctly to the meter and
to an AC source.

Display Backlight

To turn the display backlight ON or OFF, press and hold the backlight
seconds. The meter will beep when switching the backlight ON or OFF unless the beeper is
disabled.

Vibration Sensor

Connect the vibration pickup to the cable supplied. Make sure it is firmly attached.
Connect the cable to the meter by attaching it to the BNC connector on the top of the meter.
If the surface to be tested is magnetic, attach the magnetic base to the vibration pickup and attach

the pickup to a flat surface.
If the surface to be tested is not magnetic, hold the pickup against the surface. Do not hold the

cable while making measurements.

Units of Measure

The currently selected unit of measure is shown on the meter’s LCD. To change the unit of
measure, press and hold the UNIT button until the desired unit of measure appears and then
release the UNIT button. The meter begins scrolling through the available units of measure after the
UNIT button has been depressed for at least 1.5 seconds. The saved units will become the default
turn-on units.

UNIT DISPLAY INDICATOR

ACC m/s2

g

VEL mm/s

cm/s

DISP p-p mm

ACC ft/s2

VEL In/s

DISP p-p inch

for at least 1.5 seconds.

button for at least 1.5

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