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And ВМ-500 [27/88] Built in dc static eliminator
![And ВМ-500 [27/88] Built in dc static eliminator](/views2/1103019/page27/bg1b.png)
BM series 25
6.5. Built-in DC Static Eliminator (Neutralization Device)
The BM series is equipped with four DC static eliminator electrode units to neutralize static
electricity from a charged weighing sample.
When neutralizing static electricity before weighing, stability can be improved, reducing error.
Neutralizing ion : The discharge electrodes of the built-in DC static eliminator continuously
generate bipolar ions by corona discharge. Applying these ions to the weighing
sample neutralizes the static charge.
Static electricity : In general, when the ambient humidity is less than 45%RH, powders, paper,
plastic, nonconductors, etc., easily become charged with static electricity. The
influence of the static electricity may cause a weighing error of several
milligrams. The static eliminator effectively neutralizes the electrical charge.
Operation
1 Place the sample to be weighed on the center
(of the metallic circle) of the separation plate to
neutralize the static charge.
2 Press the ION key to start the neutralization.
The mark and the LED flash.
The neutralization will stop after the preset time
of "Neutralizing time (ion)" in the function table
(the factory setting is 3 seconds).
The minimum display of BM-20, BM-22 and BM-252 is
switched to 0.1 mg while performing the neutralization.
When pressing the ION the key during the neutralization,
the neutralization stops.
Note
Keep a space between electrodes and the weighing sample.
Placing the sample to close to an electrode may cause the sample
to become charged.
Remove any obstacle between electrodes and the weighing sample.
Maintenance Of The Electrode Unit
In general, when using the eliminator for a long time, dust
and stains may stick to the electrodes. Clean them
periodically to maintain performance.
If the neutralization function does not recover after cleaning
the electrodes, replace the electrodes with four new units.
The standard life time is approximately 10000 hours.
Replacing Electrode Unit
1 Turn the electrode unit 45 degrees counterclockwise. Remove it.
2 Replace all four units with new ones at the same time.
Note
Do not remove and clean the electrodes while the mark and
the LED are flashing.
Static eliminato
r
LED
Sample
Separation plate
Ke
y
In the neutralization
Weighing displa
y
Example: Display of BM-20,
BM-22, BM-252
Electrode uni
t
Step
1
Step
2
Cleaning
Electrode
Содержание
- Analytical balance bm 20 bm 22 bm 252 bm 200 bm 300 bm 500 1
- Contents 3
- About this manual 5
- Introduction 5
- Features 6
- Compliance 7
- Compliance with emc directives 7
- Compliance with fcc rules 7
- Bm 200 8
- Bm 22 bm 20 bm 252 bm 500 bm 300 8
- Common parts 8
- Parts for each products 8
- Unpacking the balance 8
- Bm 22 bm 20 10
- Bm 500 bm 300 bm 200 bm 252 10
- Installing the balance 10
- Installing the balance and precautions 10
- Attaching the separation plate 11
- Removing the separation plate 11
- The separation plate 11
- Cautions before use 12
- Cautions during use 12
- Cautions after use 14
- Cautions for power supply 14
- Display 15
- Display symbols and key operation 15
- Key operation 15
- Weighing units 16
- Capacity and minimum display for bm 252 bm 500 bm 300 bm 200 17
- Capacity and minimum display for bm 22 bm 20 18
- Storing active units 19
- Selecting unit and weighing mode 20
- Unit setting example 21
- Basic operation 22
- Precautions for the weighing operation 22
- Weighing 22
- Precision range and standard range for bm 22 23
- Smart range for bm 22 23
- Counting mode pc 24
- Counting operation 24
- Selecting the counting mode 24
- Storing a sample unit mass weighing input mode 24
- Counting mode using the acai function 25
- Percent mode 26
- Reading the percentage 26
- Selecting the percent mode 26
- Storing the 100 reference mass 26
- Built in dc static eliminator 27
- Maintenance of the electrode unit 27
- Operation 27
- Replacing electrode unit 27
- Automatic response adjustment 28
- Response adjustment 28
- Manual response adjustment 29
- About the internal mass 30
- Calibration 30
- Calibration group 30
- Calibration test 30
- Caution 30
- Caution on using an external weight 30
- Correction of the internal mass value 30
- Display 30
- Automatic self calibration 31
- Automatic self calibration due to changes in temperature 31
- Caution 31
- One touch calibration 31
- Calibration test using the internal mass 32
- Calibration using an external weight 33
- Calibration test using an external weight 34
- Correcting the internal mass value 35
- Function switch and initialization 36
- Permit or inhibit 36
- Initializing the balance 37
- Display symbol and keys 38
- Function table 38
- Setting procedure 38
- Setting the function table 38
- Setting example 39
- Ap b auto print difference 40
- Ap p auto print polarity 40
- Ba5fnc 40
- Beep beep 40
- Bm series 40
- Cl adj clock 40
- Cond condition 40
- Data data memory 40
- Details of the function table 40
- Display refresh rate 40
- Dout data output 40
- Environment display 40
- Factory settings 40
- Key for the bm 300 1 mg is one digit 40
- P on auto display on 40
- Pnt decimal point 40
- Prt data output mode 40
- Stability band width 40
- The unit of minimum display is digit example if 1 mg display is selected using the 40
- Trc zero tracking 40
- Usable minimum display of the balance is one digit example in gram display one digit is 0 1 mg for the bm 252 and 0 mg for the bm 300 40
- Ar d zero after output 41
- At f auto feed 41
- Bm series 39 41
- Bp5 baud rate 41
- Class item and parameter description 41
- Crlf terminator 41
- Data bit parity bit 41
- Data number output 41
- Data output pause 41
- Dout data output 41
- Factory settings caution the balance may not transmit the data completely at the specified refresh rate depending on the baud rate or data added to the weighing data such as time date and id number 41
- Id id number output 41
- If serial interface 41
- Info glp output 41
- Int interval time 41
- Td time date output 41
- Type data format 41
- Condition cond 42
- Description of the class environment display 42
- Stability band width 5t b 42
- Zero tracking trc 42
- Auto display on p on 43
- Auto print mode a 43
- Auto print mode b 43
- Auto print modes a and b 43
- Decimal point pnt 43
- Description of the item data output mode 43
- Display refresh rate 5pd 43
- Key mode 43
- A d standard format 5if type 0 44
- Description of the item data format 44
- Interval mode 44
- Stream mode 44
- Dp dump print format 5if type 1 45
- Kf format 5if type 2 45
- Mt format 5if type 3 45
- Nu numerical format 5if type 4 45
- Csv format 5if type 5 46
- Data number dout d no 1 46
- Date dout 5 td 2 or 3 46
- Id number dout 5 id 1 46
- Time dout 5 td 1 or 3 46
- Data format examples 47
- Overload 47
- Stable unstable overload 47
- Checking the current date 49
- Checking the current time 49
- Clock and calendar function 49
- Operation 49
- Quitting the operation 49
- Storing a new date 49
- Storing a new time 49
- Id number and glp report 50
- Setting the id number 50
- Calibration report using the internal mass 51
- Glp report 51
- Calibration test report using an internal mass 52
- Calibration report using an external weight 53
- Calibration test report using an external weight 54
- Title block and end block 55
- Data memory 56
- Notes on using data memory 56
- Releasing clr or err 56
- Data memory for weighing data 57
- Display symbols for data memory 57
- Features 57
- Storing the weighing data 57
- Caution 58
- Enabling the data memory function 58
- Setting the function table 58
- Deleting all memory data at one time 59
- Recalling the memory data 59
- Transmitting all memory data at one time 59
- Data memory for calibration and calibration test 60
- Deleting data stored in memory 60
- Features 60
- Storing the calibration and calibration test data 60
- Transmitting the memory data 60
- Underhook 61
- Density measurement 62
- Formula to obtain the density 62
- Prior to measurement changing the function table 62
- Specific gravit 62
- Entering the density directly 63
- Entering the density of a liquid 63
- Entering the water temperature 63
- The relation between the water temperature and density 63
- Measuring the density 64
- Specific gravit 64
- D sub 9 pin assignments 65
- Rs 232c interface 65
- Standard input and output interface 65
- Connection to an ad 8121b printer 66
- Connection to peripheral equipment 66
- Connection to a computer using the rs 232c interface 67
- Features 67
- Using the winct software the balance can do the following 67
- Using windows communication tools software winct 67
- Cautions 68
- Connection to a computer using the usb interface 68
- Examples 68
- Features 68
- Using the usb interface 68
- Command list 69
- Commands 69
- Acknowledge code and error codes 70
- Settings related to rs 232c 70
- Cal command calibration with internal mass 71
- Command examples 71
- On command turning on the balance 71
- R command re zeroing the display 71
- Error code 72
- Weighing with a tare 72
- Setting a negative target value and filling with a sample until the display becomes zero 73
- Error codes 74
- Maintenance 74
- Treatment of the balance 74
- Other display 76
- Asking for repair 77
- Checking that the balance performs properly 77
- Checking that the operating environment or weighing method is proper operating environment 77
- Checking the balance performance and environment 77
- Sample and container 77
- Weighing method 77
- Specifications 78
- External dimensions 79
- Ad 1653 density determination kit cautions 80
- Ad 1683 dc static eliminator 80
- Ad 8121b printer 80
- Gh 08 ethernet interface 80
- Options and peripheral equipment 80
- Ax sw128 foot switch 81
- Ax t 314a s external key plug 81
- Ax usb 9p ex usb converter 81
- Electrode unit of the dc static eliminator ax bm needleset 81
- Other options 82
- Terms index 83
- Bm series 84
- Bm series 83 85
- Bm series 86
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