Siborg ST-1 Manuel utilisateur

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45

QUICK REFERENCE

Display Area

Smart Tweezers has two display modes, Primary and

Secondary.

Primary Display

The Primary Display is located in the middle of the display

and is the larger of the two displays available. It shows

the present reading. For most functions the primary

display shows 5 digits.

If OUT OF RANGE is displayed an overload condition is

present.

Secondary Display

The Secondary Display is located at the top of the display

and is the smaller of the two displays. It shows the

present reading of additional parameters, or measurement

conditions when the primary display shows some other

feature (e.g. L, C).

When multiple features are present, secondary display

shows one of the values. For example, ESR value can

appear in the secondary display while capacitor value

appears in the primary display.

Bar Graph

The bar graph provides an analog indication of the meas-

ured input and is located at the bottom of the display.

OVERVIEW

Smart Tweezers is an R-L-C meter in a set of tweezers.

Smart Tweezers is designed for production line compo-

nent evaluation, on board impedance testing, and SMD

components sorting. With automatic recognition of

measurement mode (R, L and C) Smart Tweezers is ideal

for identifying surface mounted devices.

Figure 1.

Smart Tweezers has a unique mechanical and electronic

design that incorporates a built-in direct precision SMD

probe designed for component evaluation on the pro-

duction line, PCB debugging, component impedance

testing and sorting SMD components.

The integrated SMD probe and graphic display, combined

with automatic recognition of measurement modes (R, C,

and L) and the range of measurement, allows the opera-

tor focus on the component under test. As a result test-

ing, sorting and evaluation of components becomes

more efficient and cost effective.

Figure 2.

Jog Dial Button Reset

Virtual Ground

Connector

Slide switch for extended

Voltage measurements

Secondary Display

Primary Display Bar Graph

The Jog Dial Button

The Jog Dial button (Figure. 3) is used to choose the

selected function or to change a setting.

To change the menu displayed press and move the

button left or right.

To select or execute a function press the button down

(Figure 3).

Reset Button

The reset button resets the unit. This may need to be

pressed after changing the batteries.

Virtual Ground

Use the Virtual Ground connector when performing

in-circuit measurements to eliminate the influence of

grounded components. Connect this point to the circuit

Ground.

Important: Do NOT use the virtual ground when the

tested circuit is under power.

Slide Switch

The slide switch can optionally be used to measure DC

voltage up to 8V by enabling a 1/10 voltage divider.

Important: The slide switch should be turned off once

the voltage measurement is completed. If it is not turned

off incorrect results in automatic mode may occur. The

slide switch is not an automatic control option.

67

USING SMART TWEEZERS

Turning Smart Tweezers ON

To turn the Smart Tweezers ON, press the jog dial button

to any position.

The sign in the low left corner of the display indicates

that device is ON and ready to perform measurements.

A, R, L or Cindicate auto, resistance, inductance and

capacitance respectively.

Automatic Power Off

The unit will automatically power off, the display goes

blank and the device goes into a “sleep” mode if no

component has been touched or button pressed for

approximately 30 seconds. You can set power off interval

by change TIMEOUT setting in DISPLAY menu.

Pressing the Jog Dial button turns Smart Tweezers back

on and the device then returns to the display for the

previously selected function.

Automatic power off does not occur when the device is

in VOLTAGE, TRACE or MENU mode.

Battery

Smart Tweezers uses three 1.5V alkaline or air zinc

“button” type batteries, size 11.2 x 5.6mm (Type 357A

or LR44).

Low Battery Indication

The Low Battery message and battery icon in the display

is the notification that the batteries are low and should

be replaced (Fig. 5). The warning appears when the

batteries are about 90% depleted. The unit is still

operational for a short time, however the batteries

should be replaced as soon as possible.

Figure 3.

Figure 4.

Figure 5.

10 kHz

89

SOUND Menu

Use the SOUND setting to turn the beeper ON or OFF

as shown in Fig. 8.

DISPLAY orientation, contrast, timeout setting

Use the DISPLAY setting to change the display orienta-

tion, the contrast and the timeout as shown in Fig. 9.

ON

OFF

SOUNDSYSTEMMAIN EXIT

LEFT

RIGHT

DISPLAYSYSTEMMAIN EXIT

MENU STRUCTURE

From the main menu it is possible to set the Smart

Tweezers back to their default setting (AUTOSET) or

go to SYSTEM or MEASURE menus (Fig. 6).

Changing from the Default Setting

The user can change the default operating configuration

of Smart Tweezers by changing the options. All setup

options affect general operations and are active in all

functions.

Smart Tweezers factory setting

Frequency: AUTO range

Meter automatically selects frequency

for the best accuracy.

Measurement: AUTO range

Meter automatically selects

R, C or L measurement.

Period: 1s

Sound: OFF

Display: RIGHT

Timeout: 30 seconds

To enter SETUP mode turn on the device and go to

MAIN menu.

SYSTEM Setting Menu

Use SYSTEM menu to set up system parameters for all

functions (Fig. 7).

Figure 7.

Figure 8.

Figure 9.

Figure 6.

CONTR

CONTRAST

DISPLAYSYSTEMMAIN EXIT

TIMEOUT

DISPLAYSYSTEMMAIN EXIT

Actual Setting

Selected Item

10 11

MEASUREMENTS

The default setting is to perform fully automatic auto

range measurement for resistance, inductance and

capacitance.

Most measurement functions also have a manual mode,

which can be selected by using the jog dial button. Use

the manual setting when you need to measure a specific

parameter or need better accuracy.

MEASUREMENT setting menu

To measure specific components or to change measurement

parameters, use Measure menu as shown in (Fig. 11).

Measuring Resistance, Inductance

or Capacitance

For automatic measurement use AUTO setting (default).

To measure only one parameter – resistance, inductance

or capacitance set Smart Tweezers as shown in Fig. 12.

Note: When measuring small resistance, capacitance

or inductance, make sure that terminals are clean.

AUTO

R

L

C

MODEMEASUREMAIN EXIT

Setting testing PERIOD

Use PERIOD to change the reading period setting as

shown in Fig. 10.

Returning to Factory Defaults

Smart Tweezers comes with the setup options preset at

the factory.

To return to these settings:

1. Go to the MAIN menu.

2. Set AUTOSET.

3. Set EXIT and all factory settings are restored.

Saving Setup Options

Choose EXIT to save the last option from the current

menu. This option is marked by the arrow symbol.

Choose EXIT to exit from the main menu.

2 SEC

1 SEC

1/2 SEC

1/4 SEC

PERIODSYSTEMMAIN EXIT

Figure 10.

Figure 11.

Figure 12.

12 13

Use AUTO mode (default) to measure DC Voltage from

100uV to 800mV.

Use TRACE mode if you want to see the oscilloscope like

picture of Voltage as shown in (Fig. 16).

To change speed turn jog dial button LEFT or RIGHT. To

EXIT press the job dial button.

Adjusting Voltage Offset

To adjust voltage offset:

1. Connect the probes to each other and choose

CALIBER mode.

2. Press EXIT to exit calibration mode.

3. Disconnect probes.

Use BATTERY mode to measure current battery voltage.

Press the jog dial button to exit.

Test Frequency Setting

For automatic measurement use AUTO setting (default).

Use fixed test frequency for specific measurements, such

as very small or very large capacitance (less than 50pf or

more than 100uF) or inductance.

To fix test frequency set Smart Tweezers as shown in Fig. 13.

Measuring Voltage

Use AUTO mode (default) to measure DC Voltage from

100uV to 800mV (up to 8V with slide switch manual set-

ting). To measure voltages configure Smart Tweezers as

shown in Fig. 14.

AUTO

10 KHz

1 KHz

0.1 KHz

FREQMEASUREMAIN EXIT

AUTO

TRACE

CALIBR

BATTERY

VOLTAGEMEASUREMAIN EXIT

Figure 13.

Figure 15.

Figure 16.

Figure 17.

Figure 14.

14 15

Electromagnetic Susceptibility and Emission:

Compatibility (EMC): FCC 15 part B

Size: 14.0 x 2.5 x 3.0 cm (3.94 x 0.9 x 1.5 in)

Weight: 53 grams (0.11 lb)

Warranty: 1 year

Basic Specifications

Measured Parameters: C, L, R, ESR, Rs, Rp

Measuring Frequencies: 100 Hz, 1 kHz, 10 kHz

Measurement rate: 1 time per second, default

DC Voltage: 0 to 800 mV (Up to 8 V with optional

slide switch manual setting)

Resistance: 0.1 Ohm – 9 M Ohm

0.1 Ohm – 1 M Ohm

Resolution: 0.01 Ohm

Capacitance: 10 pF to 499 mF

Inductance: 1 uH to 999 mH

Battery life: minimum 120 hrs (Air-Zinc batteries)

Detailed Accuracy Specifications

Accuracy is specified at 18 °C to 28 °C (64 °F to 82 °F),

with relative humidity to 90 %.

Resistance

Range: 0.1 Ohm – 5 MOhm

Accuracy: 1 % in range 0.1 R – 1 M

2 % in range 1 M – 5 M

Resolution: 0.01 R in range 0 – 10 R

Test Frequency: 1 kHz

Capacitance

Range: 10 pF – 499 uF

Accuracy: 5 % in range 20 pF – 499 uF

Resolution: 0.5 pF in range 1 pF – 100 pF

Test Frequency: 1 kHz C > 1000 pF

10 kHz C < 1000 pF

100 Hz C > 1 uF

Inductance

Range: 1 uH – 1 H

Accuracy: 10 % in range 1 uH – 10 uH

5 % in range 10 uH – 100 uH

5 % in range 100 uH – 1 H

Resolution: 0.5 uH in range 1 uH – 100 uH

Test Frequency: 10 kHz L < 1 uH

1 k Hz L > 1 uH

100 Hz L > 1 mH

Feature Summary

Graphics Displays. Analog Bar Graph. Fully automatic

measurement of Inductance, Capacitance and Resistance.

Auto range: Meter automatically selects best range.

Trace Graph: Oscilloscope like display for voltage

measurement.

MAINTENANCE

General Maintenance

Dirt or moisture in the terminals can affect measurement

accuracy. Clean the terminals regularly. Do not use abra-

sives or solvents.

To clean the terminals:

1. Turn the device off.

2. Shake out any dirt that may be on the terminals.

3. Soak a new swab with alcohol. Work the swab around

each terminal.

Replacing the Batteries

Replace the batteries with three alkaline or air-zinc

batteries (LR44 or 375A type).

To replace the batteries:

1. Remove three screws with screwdriver TORX # 5 and

lift the cover.

2. Replace the batteries follow the “+” and “–“ sign.

3. Secure the cover.

4. Reset the device.

Troubleshooting

If there appears to be a malfunction during the operation

of the device, the following steps should be performed in

order to isolate the cause of the problem:

1. Check the battery.

2. Review the operating instructions for possible mistakes

in operating procedure.

CAUTION: Except for replacing the battery, repair of the

device should only be performed by an Authorized

Service Center or by qualified device service personnel.

SPECIFICATIONS

Physical Specifications

Operating Temperature: 0 °C to + 55 °C

Storage Temperature: 40 °C to + 60 °C

Relative Humidity: 0 % to 90 % (0 °C to 35 °C)

0 % to 70 % (35 °C to 55 °C)

Altitude Operating: 0 – 2000 meters

Storage: 10000 meters

Battery Type: 1.5 V LR44 (357A) Alkaline or Air zinc

Battery Life: 80 Hours typical with alkaline,

220 hours with air zinc battery

16

LABELLING & VERIFICATION

REQUIREMENTS

This device complies with Part 15 of the FCC Rules.

Operation is subject to the following two conditions:

1. this device may not cause harmful interference and

2. this device must accept any interference received,

including interference that may cause undesired operation.

Siborg ST-1 Manuel utilisateur

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