Tenmars ST-140 Manual de usuario

Vibrómetro (acc/vel/desplazamiento), salida USB Tenmars

TN-ST140D

ST-140 Vibration Meter

ST-140D Datalogging Vibration Meter

User’s Manual

HB2ST1400001

CONTENTS

1 Introduction.......................................................1

2 Accessories.......................................................1

3 Safety Precaution..............................................1

4 Meter Description..............................................2

5 Operation..........................................................3

5.1 Turn ON backlight 4

5.2 Datalogging Single Sata Entry Manually: 4

5.3 Reading Record Data In Memory: 4

5.4 Data Hold And Maximum Read Value: 4

5.5 Auto Power Off: 4

5.6 Accelerometer Installation: 5

5.7 Function Settings: Step 1~Step 6 7

6 Software Installation........................................10

7 General Specifications ....................................11

8 Electrical Specifications:..................................12

9 Maintenance or Repair....................................13

10 Battery Replacement.......................................13

11 End of Life Disposal ........................................13

ST-140/ST-

140D

1 Introduction

This meter measures the vibrations of the rotating and

reciprocating machines, as well as bearing damage,

measurement items are acceleration, speed, displacement,

which can check if the machine is to be repaired or

upgrade.

2 Accessories

1 Meter

1 User manual

1 Accelerometer

1 Low noise cable

1 Magnetic base

6 1.5V UM4/AAA battery

1Carrying case

9V AC to DC adaptor

1 USB cable and Installation disk (ST-140D)

1 Handheld probe + round probe + pointed probe

3 Safety Precaution

Note! Please refer to this manual.

Improper use may damage the meter and its

components.

Complies with European Directive.

Do not operate in environments with flammable gas or

humid environments.

Operating altitude: up to 2000M.

Operating environment: Indoor use; Pollution degree 2.

Clean with soft cloth when dirty, such as glasses cloth.

Do not clean with chemicals and other solvents.

EMC: EN61326-1:CISPR 11:Group 1, Class B

Class B – Equipment for use in all establishments

other than domestic.

Group 1 – RF energy generated is needed for internal

functioning.

ST-140/ST-

140D

4 Meter Description

1. Accelerometer input terminal

2. LED work light.

3. LCD display screen

4. Maximum hold and data hold button

5. Power switch button

6. Backlight button

7. Function selection button

8. Left button/REC record button

9. Settings function button

10. Down button

11. Confirm button/LED work light control button

12. Right button/MEM view record value button

13. UNIT unit selection button

14. Up button

15. External power DC 9V input

16. USB data output jack (ST-140D)

17. Battery installation

18. Battery cover and stand

19. Accelerometer

20. Low noise cable

21. Magnetic base

22. Handheld probe

23. pointed probe

24. round probe

ST-140/ST-

140D

5 Operation

1. Connect the accelerometer with the magnetic base

and lock one side of the cable; connect the other end

of the cable with the accelerometer input terminal of

the meter, and then attach the accelerometer to the

test object.

2. Another measuring method is to connect the

accelerometer with the handheld probe and lock one

end of the cable, and then connect the other end of

the cable with the accelerometer input terminal of the

meter and use the handheld probe to test the test

object.

3. Press the button once to turn it ON or OFF;

pressing the button for over 2 seconds under

power ON status will cancel automatic shutdown and

turn OFF the automatic shutdown symbol on the LCD.

* The power cannot be turned OFF under SETUP

mode; please exit SETUP mode first.

4. The button selects the measuring status:

acceleration (ACC) real value (RMS) → acceleration

(ACC) peak value (PEAK) → velocity (VEL) real value

(RMS) → velocity (VEL) peak value (PEAK) →

displacement (DISP) peak to peak value (P-P). The

measuring status changes once every time

the button is pressed.

5. The or button can be used under

acceleration (ACC) measurement status to select HI

or LO gear (the measuring frequency of the HI gear is

10Hz~5KHz, and the measuring frequency of the LO

gear is 10Hz~1KHz (after filtering circuit; complies

with ISO 2954).

6. The button selects the measuring unit; the

measuring unit changes once every time

the button is pressed.

7. Reading measured value on LCD.

8. If you are at a dark location, you can press

the button for over 2 seconds to turn ON the LED

to use as auxiliary lighting; to cancel this function,

press the button for over 2 seconds again.

ST-140/ST-

140D

5.1 Turn ON backlight

Under power ON status, press the button to turn ON

the backlight, and then press the button again to turn

OFF the backlight function directly.

*The backlight will automatically turn OFF after being lit for

15seconds.

5.2 Datalogging Single Sata Entry Manually:

Press the button to save 1 data entry; the “REC”

symbol and entry number will be displayed on the LCD. For

example: 0001; every time the button is pressed, this

number will increase by 1.

5.3 Reading Record Data In Memory:

To read the data recorded on this instrument, please first

press the button; now the “MEM” symbol will appear

on the LCD and it has now entered memory data reading

mode. To read other memory data entries, you can press

the button and the number of entry will increase, or

press the button and the entry number will decrease.

When you want to exit the memory data reading mode,

please press the button for over 2 minutes to exit this

mode.

5.4 Data Hold And Maximum Read Value:

To lock the read value on the LCD while measuring, press

the button to lock the read value; now the “HOLD”

symbol will be displayed on the LCD. Press the button

again to lock the maximum read value; now the “MAX

HOLD” symbol will be displayed on the LCD. To exit this

function, please press the button for over 2 seconds.

5.5 Auto Power Off:

Press the button more than 2 seconds to turn on or

turn off auto power off.

ST-140/ST-

140D

5.6 Accelerometer Installation:

When a permanent measuring point needs to be created on

a machine but you do not want to drill holes on the machine,

bonding studs can be used. These studs can be fixed on

the measuring point using hard adhesives; we recommend

using epoxy and cyanoacrylate agents because soft

adhesives will reduce the useful frequency range of the

accelerometer significantly.

When the measuring point is a flat surface, a permanent

magnet seat can be used for simple installation. This

method will reduce the resonant frequency of the testing

accelerometer to 7KHz; therefore, it cannot be used for

measurements much higher than 2KHz. The suction of the

magnet can tolerate up to 1000 to 2000m/s² vibration force,

depending on the size of the accelerometer.

Installing the accelerometer on top of a handheld probe is

convenient for quick checks, but it will cause considerable

measurement errors due to the decrease in overall firmness,

so do not expect repeatable results. A low-pass filter should

be used in order to restrict the measuring range to

approximately 1000Hz.

ST-140/ST-

140D

Put on the sensor with the magnetic

base to the measuring point like shown

in below by gently rolling it over the

edges. Avoid magnet breakdown.

ST-140/ST-

140D

5.7 Function Settings: Step 1~Step 6

Press the button for over 2 seconds to enter the

Step1~Step 7 settings.

STEP 1. Setting date and time:

1. Entering date and time setting mode.

2. Press the or button to select the item to

change; the number of the selected item will start

flashing.

3. Then press the or buttons to change the

preset value.

4. To exit this setting function, press the button for

over 2 seconds to save the settings and exit this mode.

5. Then press the button to enter Step 2.

STEP 2. Setting automatic shutdown time:

1. Set automatic shutdown mode; now the number will

now start flashing.

2. Then press the or buttons to change the

value (the unit is 01~99 minutes).

3. Then press the button to enter Step 3.

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