Tenmars TM-197 User manual

TM-197 AC/DC Magnetic Field Meter

User’s Manual

HB2TM1970000

Contents:

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

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

3 Safety Precaution:.............................................2

4 Instrument Description: .....................................3

5 Operation:.........................................................4

5.1 Zeroing………….........................................5

5.2 Peak Measurement…………......................5

5.3 Relative Value Measurement......................6

5.4 Turn on backlight........................................6

5.5 Manual Record for One Log.......................6

5.6 Auto Record...............................................6

5.7 Read the record data from RAM.................7

5.8 Data Hold...................................................7

5.9 The Max./Min. Values Hold: .......................7

5.10 Disable Auto Power Off Function:...............7

5.11 Stopping buzzer.........................................7

5.12 Manual range mode/Automatic range

mode 8

5.13 AC/DC Switching magnetic field.................8

5.14 Setup：Step 1~ Step 8...............................8

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

7 General Specifications: ...................................12

8 Electrical Specification: ...................................14

9 Maintenance or Repair....................................15

10 Battery Replacement.......................................15

11 End of Life Disposal ........................................15

TM-197

1Introduction

Measurement for the magnetic field generated from Direct

Current (DC, with display by N/S Magnetic polarity) or

Alternating Current (AC in 40-500Hz).

Measurement for the residual magnetic after processing

of mechanical parts

Measurement for the magnetic field strength of magnetic

applications

Measurement for the residual magnetic generated from

the stress after processing of stainless material

Measurement for the magnetic force of magnetic

materials

Measurement for the various steel materials with natural

magnetism

Measurement for the magnetic field strength of motors in

various electrical appliances

Measurement for the magnetic field strength of permanent

magnets

Detection for the magnetic field of leakage generated from

superconductive magnets

2 Accessories

Meter

AC/DC

magnetic probe

User’s Manual

Battery 1.5V(UM4/AAA)

Carrying case

Power adapter DC 9V

USB cable and Installation disk

TM-197

3 Safety Precaution:

Caution! 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.

TM-197

4 Instrument Description:

1. Data hold

2. Power

3. Backlight button

4. SET/Peak value hold

5. Read the record data from RAM (R-M)/Left

6. Set to Zero (Zero)/ Relative Value (REL)

7. AC/DC switch/Up

8. Manual range mode/Automatic range mode

9. Manual record (REC)/ Auto record (LOG)

10. Buzzer/GO & NO-GO

11. The max. & min. value hold/Down

12. Probe connector

13. External power DC 9V input

14. USB data output jack

15. Battery cover and tilt stand

16. LCD display

TM-197

5 Operation:

1. Press to turn on or turn off.

2. Remove the cap of probe.

3. Move the HALL ELEMENT which is located on

the tip of probe close to the magnet under test

and start measuring. Please refer to Fig. 1.

4. Read the measured value from the LCD

display.

5. Cover the cap of probe back.

If the probe not inserted into the host or

not inserted completely, , will

appear. Please turn power off and

ensure to insert the probe into the host;

again, turn power on.

If the probe is disconnected with the

host while working, will appear

for warning.

Fig. 1

Correct

Incorrect

Magnet Magnet

TM-197

5.1 Zeroing

Move the probe away from the magnetic field and

press , ZERO will appear on the LCD. After

zeroing completed, the ZERO disappears.

If more than 3G or 0.3mT, will

appear to prevent from erroneous

zeroing the value in measuring. (from

PC)

If more than 3G or 0.3mT, will

appear to prevent from erroneous

zeroing the value in measuring. (from

HOST)

The zeroing function is unavailable for

temperature.

5.2 Peak Measurement

Move the probe away from the magnetic field, then

press and hold for ≥2 seconds to start Peak

Measurement. The upper digit row presents the

instant measuring; the lower digit row presents the

peak value x.x

Again, press and hold to quit this function.

Zeroing will run automatically in prior to

Peak Measurement. If more than 3G or

0.3mT, will appear to prevent

from erroneous zeroing the value in

measuring.

TM-197

5.3 Relative Value Measurement

Press and hold for ≥2 seconds to start

Relative Value Measurement.

The difference between the two magnetic fields can

be compared here. For instance, the 1st magnetic

field is measured to be 100. At the time, press

“REL” button, and the LCD displays 0; again,

measure the 2nd magnetic field. If the measured

value of the 2nd magnetic field is 120, the LCD will

display 20 (120-100=20).

Again, press and hold to quit this function.

5.4 Turn on backlight

Press to turn the backlight on or off.

If connected via an external power supply, the

backlight will lit automatically and stay on.

＊The backlight will automatically turn off after

being lit for 30 seconds.

5.5 Manual Record for One Log

Press to save one log of data, the LCD will

show “REC” and the number of logs. For instance, if

the current number is 10, it will be increased by 1 at

each pressing. The number of logs is limited to be

200; if exceeded, the LCD will show “Full”.

5.6 Auto Record

Press and hold , LCD displays , and the

auto-recording function is enabled.

Again, press to quit this function.

The record is setup on PC via USB

connection.

If the power is insufficient when

recording in logs,

will appears.

TM-197

5.7 Read the record data from RAM

Press for the reading mode, and

appears on the LCD. Press or to select

the log number for reading. Press and hold to

quit this mode.

5.8 Data Hold

Press to enable or disable the data hold

function.

5.9 The Max./Min. Values Hold:

Press to enable MIN/MAX function; again,

press to show the MAX and MIN values by

turns. Press and hold to quit.

The measured data can be held and updated as the

measured the MAX and MIN values.

5.10 Disable Auto Power Off Function:

With power off mode, keep pressing and

press to turn on power, LCD will show

"n-SL" that means to disable auto power off function.

Re-starting will reset to the auto power off function.

The function will be disabled when an external

power is detected.

5.11 Stopping buzzer

Press to stop the buzzer’s beep.

TM-197

5.12Manual range mode/Automatic range

mode

Press to operate in the manual range mode

with the LCD showing . This can change into two

different range modes.

Press and hold for ≥ 2 seconds to return to

automatic range mode with LCD showing .

5.13AC/DC Switching magnetic field

Press to switch the measurement between AC

magnetic field and DC magnetic field.

5.14Setup：Step 1~Step 8

Press to enter the setup procedure from step

1 to step 8, while flashes on the LCD.

Step 1. Setup unit G or mT.

1. Press or to select the unit G or mT.

2. Again, press to go to Step 2.

Step 2. Setup unit ℃or ℉

1. Press or to select the unit ºC or ºF.

2. Again, press to go to Step 3.

Step 3. Set up the upper limit (Max.) for alarm

GO/NO-GO

1. The default value is 20000G (2000.0mT). Press

or to modify and setup the default

value.

2. Again, press to go to Step 4.

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