Sper scientific 840060 Bedienungsanleitung

Digital Force Gauge

with RS232 Output

840060

Instruction Manual

CONTENTS

FEATURES.......................................................................... 3

FRONT PANEL DESCRIPTIONS........................................ 4

MEASUREMENT PROCEDURES ...................................... 5

Preparations for Measurements ....................................... 5

Average Reading Measurements ..................................... 6

Peak Load Measurements................................................ 7

MOUNTING HOLES & OPTIONAL TEST STAND .............. 7

APPLICATIONS................................................................... 8

Electronics ........................................................................ 8

Business Equipment ......................................................... 8

Chemical & Plastics .......................................................... 8

Machinery & Manufacturing .............................................. 9

Automotive........................................................................ 9

Other Industries ................................................................ 9

BATTERY REPLACEMENT ............................................ 10

SPECIFICATIONS ........................................................... 10

WARRANTY ..................................................................... 12

FEATURES

• 5000 gram wide capacity, high resolution, high accuracy,

and high repeatability

• 3 display units: grams, Newton, or ounces

• Tension and compression capabilities

• Peak hold (max. load) can be displayed while measuring

tension or compression

• The “Zero” button works during normal measuring and

“peak hold” operations

• Full capacity zero (tare) control

• Fast/Slow response time button

• Positive or reverse display selection

• Full line of adapters are included

• Hand held or stand-mounted gauges are available

• Low power consumption for extended battery life

• Low battery indicator

• Microprocessor circuit and exclusive load cell transducer

• Overload protection

FRONT PANEL DESCRIPTION

1 Universal Sensing Head

2 LCD Display

3 Fast Indicator

4 FAST/SLOW Button

5 LCD Reverse

Display Button

6 Zero Button

7 g/oz/Newton Unit Switch

8 Power O󰀨/On/Peak Hold

0 = O󰀨, 1 = On

9 Mounting Holes/

Fixing Screws

10 Battery Cover/

Compartment

11 Flat-Head Adapter

12 Cone Adapter

13 Chisel Adapter

14 Hook Adapter

15 120 mm Extension Rod

MEASURMENT PROCEDURES

Measuring Consideration

The Tension & Compression measuring function is

executed automatically.

When making the compression measurement, the display

will show the ‘”-” mark automatically.

When making the measurement, the SENSING HEAD along

with the adapter has to be on a line with the measuring object.

(ref. Fig. 2)

Do not rotate the SENSING HEAD. Some certain angles

between the SENSING HEAD and the measuring object are

not allowed (ref. Fig. 3).

Normal Measurement

• Slide the “PowerO󰀨/On/Peak Hold Switch” (3-8, Fig. 1) to the

“On” position.

• Determine display unit of g, oz or Newton by selecting “g/oz/

newton Unit Switch” (3-7, Fig. 1).

• Connect “Sensing Head” (3-1, Fig. 1) with proper

“Adapter” (3-11 to 3-14, Fig. 1) and the “Measuring Object”

should be in a straight line. Don’t give any force in standby

mode.

• “Zero Adjust” by pushing “Zero Button” (3-6, Fig 1) before

every measurement.

• Start measurement by using force (push or pull), the LCD

will display the Average reading value.

Note...

To change the display direction during measurement, push the

“Reverse” button one time (3-5, Fig. 1)

* There are two time sampling displays, FAST and SLOW

Push the “FAST/SLOW Button” once (3-4, Fig. 1), if the

upper left corner of LCD displays ({(oJJ). “(Fast Indicator,

3-3, Fig. 1), then the display reading is under the

operation of fast sampling time.

* If the upper left corner of LCD does not show the “Fast

Indicator” (3-3, Fig. 1), the display reading is under the slow

sampling time.

* Over range display of tension function, LCD will show , ----,,

* Over range display of compression function, LCD will show

,,_ - - - _,,

Peak Hold Measurement

The meter can measure the peak value of force both of

tension & compression operation. The operation procedures

of Peak Hold Measurement are the same as above “Normal

Measurement” but slide the “Power O󰀨/On/Peak Hold Switch”

(3-8, Fig. 1) to the “PEAK H” position.

Sliding the “Power O󰀨/On/Peak Hold Switch” (3-8, Fig. 1) to

the “On” position will cancel the peak hold function.

MOUNTING HOLES

Because the FORCE GAUGE is a precise instrument, best

results are obtained when the gauge is tted to a test stand.

Mounting holes are provided on the back of the gauge for

easy stand mounting.

APPLICATIONS

Electronics

•Test strength of solder points and spot welds on circuit boards.

• Pull test external leads bonded to ceramic substances.

• Test wire wraps on clip connections.

• Test pull strength of modied wire wrap connection on posts.

• Test spring clip insertion and withdrawal forces.

• Pull test welds in micro-electronic devices.

• Measure torque, timing belt tension, sliding friction, etc., on

computer peripheral equipment.

• Test P.C. board insertion force.

• Test insertion and withdrawal forces of various circuit

components such as transistors and integrated circuits.

• Test actuating force of snap action switches.

Business Equipment

• Measure force required to perforate cards.

• Measure load on slitter knives.

• Measure actuating requirements of typewriters.

• Test clutch release force.

• Measure torque, timing belt tension (by deection), sliding

friction, etc., on computer peripheral equipment.

• Test adhesion strength of labels and stickers.

• Test load on paper thickness gages.

• Measure tension of pencils.

• Test actuating requirements on push buttons and ip switches.

Chemical & Plastics

• Test lm bond strengths.

• Tensile test rubber, bers and laments.

• Measure rmness of polyurethane foam.

• Test crush strength of pills (medicine).

• Test peel strength of adhesives.

• Measure compression of ceramic compounds.

• Test vacuum take-down pressure on process machines.

Machinery & Manufacturing

• Test load on wire reel.

• Test force to open cabinet doors.

• Test sprocket chin tension.

• Test pull-out force of drive shaft.

• Rate testing of springs in systems.

• Calibrate a cantilever beam-type Apparatus to obtain a

force/deection relationship.

Automotive

• Measure force of seat belt retractors.

• Measure arm pressure of windshield wipers.

• Measure ip force in mechanical snap action switches.

• Test e󰀨ort to operate hand tool.

• Test forces required to move linkages and tension cables.

• Measure force of odometer pull.

• Test peel strength of vinyl insert bonded to body side moldings.

• Evaluate physical e󰀨orts (door, look, hood, glove

compartment, brake pedal, etc.)

Other Industries

• Measure pedal depression force in aircraft.

• Test hardness of gypsum wallboard.

• Test keyboard and pedal contact force of organs and pianos.

• Test force to remove caps of aerosol cans.

• Measure trigger pulling forces on rearms, hand tools etc.

• Test rmness of sausages in casings.

• Test integrity of seals on blister packages and plastic bags.

• Test pressure of surgical instruments (forceps, scissors)

• Test fruit removal force and fruit rmness.

• Measure force on spindles of photographic equipment.

Battery Replacement

• When it is necessary to replace the battery (battery voltage

less than approx. 6.8 V), “Lo” will appear on the display.

• Remove battery cover (3-10, Fig. 1) to expose batteries.

• Install the batteries correctly into the case. Permanent

damage to the circuit may result from incorrect installation.

SPECIFICATIONS

Display LCD (Liquid crystal display) 5 digits, 10 mm (0.4”)

digit size

Display

Direction

Positive or reverse direction, select by the push

button on the front panel

Function Tension & Compression (Push & Pull) Normal

force, Peak hold (Max. load)

Peak hold Will freeze the display value of the peak load

(Max., load)

Zero Zero button can be operated both for “normal

force” or “peak hold” operation

Measure

Capacity

5000 g/176.40 oz/49.03 Newton

Resolution 1 g/0.05 oz/0.01 Newton

Min. display 3 g/0.10 oz/0.03 Newton

Accuracy ± (0.4% + 1 d), within 23 ± 5°C and

under the test weight on 3000 g & 5000 g

Unit select g/oz/Newton

Update time Fast - Approx. 0.2 second

Slow - Approx. 0.6 second

Over range

indicator

Display shows “- - - - “ when over range

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