background image

12

3.5  Calibration of the Instrument

The balance is supplied with a 200 g calibration weight for recalibrating the instrument on 
site or checking the measurement accuracy. 
 

Requirement:

Instrument switched off as described in chapter 3.2.2.
The calibration weight is adjusted according chapter 3.3.1
There is no sample or container on the platform. 
 

To calibrate the instrument:

- Press the 

 button.

  The display shows 

 .

- Press the 

 button for 3 seconds

- The display shows momentarily the adjusted calibration weight 

 and

  than 

 is flashing.

- Place the calibration weight on the platform. 

- Wait until the display has stabilized and shows 

.

- Remove the calibration weight from the platform. 

  After the calibration has occured the display shows momentarily 

  and

  than 

 .

  If the calibration occurs not with the adjusted calibration weight, the display shows

  momentarily 

 and than 

 .

3.4.3 Error Messages

Overload: 

The display shows 

 .

The weight on the platform exceeds the measuring range. 
 

Underload: 

The display shows 

 .

The platform has not been placed on the instrument. 

Remedy

:

- Place the platform on the support plate. 

Zero setting not possible:

The switch-on procedure of the instrument is interrupted. 

The display shows 

 .

The platform is not placed on the balance or a weight greater than 20 % of the 
measuring range has been placed on the platform.

Summary of Contents for EAR Series

Page 1: ...Area Weight Balance EAR Series Model EAR 300 Edition EAR 01 E Instruction Manual Valid as of 01 09 2019 Please keep the manual for future reference S C H M I D T c o n t r o l i n s t r u m e n t s ...

Page 2: ...ing and Assembly 5 3 Initial Setup and Operating Procedure 6 3 0 Notices Before Starting Measurement 6 3 1 Operating Elements 6 3 1 1 Display Details 6 3 1 2 Aligning the Instrument 7 3 2 Connecting the AC Adapter 7 3 2 1 Switch On 7 3 2 2 Switch Off 7 3 3 Settings 8 3 3 1 Function Settings 8 3 3 2 Measuring Mode Selection 10 3 3 3 Zero Setting ZERO 10 3 4 Measuring Procedure 10 3 4 1 Standard Mea...

Page 3: ...of the device Insufficient inspection of device components that are subject to wear Opening the device or improper repair work Disasters caused by the effects of foreign objects or by force majeure 1 1 Notices within the Operating Instructions The fundamental prerequisite for the safe handling of this device and its troublefree opera tion is the knowledge of the basic safety notices and safety ins...

Page 4: ...ding to the state of the art and the approved safety stan dards Nevertheless its use may cause serious or fatal injury to the user or third persons and or an impairment of the device or of other material assets The device may only be applied For its intended use in a faultless condition with regard to the safety requirements Malfunctions that could impair safety must be remedied immediately Person...

Page 5: ...structions Test certificate not available 2 1 Delivery Includes 2 2 Unpacking and Assembly Unpack the EAR 300 Inspect the EAR 300 for any shipping damage Should you find any damage immediately notify the vendor Notices of defect must be filed immediately in writing at the latest within 7 days on receipt of the goods Assembly Remove the rubber cap from the weighing shaft Carefully press the support...

Page 6: ...tices Before Starting Measurement 3 1 1 Display Details Reading ready symbol Zero symbol NET symbol reading in g reading in g m 3 1 Operating Elements 1 Platform Sample measuring plate 2 Charge LED Lights up while charging 3 Display See Chapter 3 1 1 4 Off button Switches the balance On 5 Mode button Toggles between g and g m 6 Tare key For determining the net weight with the packaging on 7 Base f...

Page 7: ...e power connector fig 3 2 Polarity of the connector Before connecting the AC adapter check the supply voltage Claims for warranty or liability will not be accepted for AC adapters from other manufacturers The built in battery is also recharged when the instrument is on An empty battery needs to be charged for at least 10 hours If you have not used the instrument for a longer time you will need to ...

Page 8: ...tween Manual zero setting Automatic zero setting No function The default setting is automatic zero setting You can now either return to the measuring mode by pressing the button five times or Press the button once to set the Timeout By pressing the button you can now choose between No power off Power off after 5 min Power off after 10 min Power off after 20 min Power off after 30 min of non use Th...

Page 9: ...on Weight By pressing the button you can now choose between Calibration weight 50 g Calibration weight 100 g Calibration weight 150 g Calibration weight 200 g Calibration weight 300 g The default setting is calibration weight 200 g Press the button The display shows Press the button The display counts from down to The display then indicates the instrument model followed by 3 3 1 Function Settings ...

Page 10: ...the button The display shows according to the mode or the symbol appears left below in the display Mode g Mode g m 3 4 Measuring Procedure 3 4 1 Standard Measuring Procedure Requirements Instrument switched on as described in chapter 3 2 1 Function settings selected as required as described in chapters 3 3 1 and 3 3 2 The ready symbol is displayed Zero setting auto zero carried out as described in...

Page 11: ...ied out as described in chapter 3 3 3 To measure with the tare function Place the container on the platform Press the button the display shows NET appears under the ready symbol The tare has been subtracted from the measuring range The ready symbol must be shown on the display to ensure that the display indicates correct readings To leave the tare function Remove the container from the platform an...

Page 12: ...ht on the platform Wait until the display has stabilized and shows Remove the calibration weight from the platform After the calibration has occured the display shows momentarily and than If the calibration occurs not with the adjusted calibration weight the display shows momentarily and than 3 4 3 Error Messages Overload The display shows The weight on the platform exceeds the measuring range Und...

Page 13: ...3 3 5 Calibration of the Instrument Cont Do not subject the instrument to shock or vibration during calibration Press the keys gently and not too quickly in succession Platform Calibration Weight fig 3 5 ...

Page 14: ...ctions or their use please indicate above all the following details which are given on the ID plate 1 Model 2 Serial number 6 Correspondence To avoid unnecessary follow up questions and the resulting loss of time or pos sible misunderstandings please return the instrument with a detailed fault de scription to our service department 7 Repairs HANS SCHMIDT Co GmbH Schichtstr 16 84478 Waldkraiburg Ge...

Page 15: ...15 Note ...

Page 16: ...Thickness Gauge Yarn Package Durometer and Shore A Durometer Sample Cutter Balance Moisture Meter Leak Tester Softometer Mailing address P O B 1154 84464 Waldkraiburg Germany Shipping address Schichtstr 16 84478 Waldkraiburg Germany Hans Schmidt Co GmbH Phone int 49 0 8638 9410 0 Fax int 49 0 8638 4825 int 49 0 8638 67898 More than 70 years Worldwide e mail info hans schmidt com Internet http www ...

Reviews: