Niigata seiki LEVELNIC Owner's Manual

Owner's Manual for Niigata seiki LEVELNIC Measuring Instruments (19 pages)

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1585/1585976-levelnic.pdf file (02 May 2024)
  • Manufacturer: Niigata seiki
  • Category of Device: Measuring Instruments
  • Document: LEVELNIC, File Type: PDF Owner's Manual
  • Updated: 02-05-2024
  • Count of Pages: 19
Download LEVELNIC Manual (19 pages)

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Data: UPD 2nd May 2024

Niigata seiki LEVELNIC Measuring Instruments PDF Owner's Manual (Updated: Thursday 2nd of May 2024 03:38:29 PM)

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Compatible devices: BEVEL BOX, CDI-50, N-5AS, GDCP-200AA, FTM-52FN, MCD3385-0608HTN, TVC-15S, MCD130-25.

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Text Version of Niigata seiki LEVELNIC Measuring Instruments Manual

(Ocr-Read Summary of Contents, Document's Main Page, UPD: 02 May 2024)
  • Page 1:

    Precision Electronic Level≪ ≫

    Compact Digital Level

    DL-m3

    LEVELNIC Owners Manual

    Thank you for purchasing Niigata Seiki LEVELNIC.

    Please read this manual thoroughly before use to insure proper operation

    and a long service life.

    [ CONTENTS ]

    Introduction ・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・ 2

    Features ・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・ 2

    Part Identi*cation・Function ・・・・・・・・・・・・・・・・・・・・・・ 3

    Measurement Range and Zero Point ・・・・・・・・・・・・・・ 7

    How to Use ・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・ 9

    Zero-Point Setting ・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・ 11

    Leveling a Surface ・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・ 13

    Output Signal ・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・ 1 5

    Shipping ・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・ 17

    Notices ・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・ 18

    Speci*cations ・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・ 19

    -1-

  • Page 2:

    [ INTRODUCTION ]

    This high precision microcomputer controlled level measures angle by measuring the

    displacement of a pendulum.

    Displacement is converted to an electronic signal and is displayed as mm/m of

    inclination on the digital display.

    [ FEATURES ]

    Capacitive sensor for high sensitivity and stable output.◎

    Can measure a wide range of slope angles compared to a bubble (or "spirit") level.◎

    (±5mm/m)

    Fast response compared to bubble level.◎

    (Full range response time approx. 10 sec.)

    Easy to read digital display reduces user fatigue and errors.◎

    ◎ Reference point easily set using 0-Cal and 1/2-Cal Buttons.

    RS-232C output signal for connecting to computer or printer.◎

    ◎ Small and lightweight for easy portability.

    -2-

  • Page 3:

    [ PART IDENTIFICATION ・ FUNCTION ]

    (1) Display

    (2) 0-Cal Button

    (3) Power Switch

    (4) 1/2-Cal / Output Signal Button

    (5) Function Select Switch

    (6) Battery Cover Screw

    (7) Battery Cover

    (8) Data Out Jack

    (9) Base

    -3-

  • Page 4:

    (1) Display

    Display shows angle measurements, battery status, and communication status.

    Angle

    The angle is displayed in units of mm/m.

    If the angle exceeds the measurement range, an error message is displayed.

    For a positive out-of-range error, "EEE" is displayed, and for a negative out-of-

    range error, "-EEE" is shown. The "E" on the elevated side will blink.

    When the angle is reduced to within the measurement range, normal

    operation will continue.

    Battery Status

    When Battery level is getting low, the display will blink.

    When the display starts to blink please replace the battery with a new one.

    Communication Status

    If an error occurs during data transmission, or if cable is not properly

    connected, an error message (E1, E2) will be displayed for about 3 seconds.

    Refer to "Output Signal" section for details.

    (2) 0-Cal Button

    0-Cal Button sets the displayed measurement to zero.

    Button requires deliberate press of about 1 sec.

    (Button can not be used during error display.)

    (3) Power Switch

    Gauge is ready for use about 5 sec. after it is switched ON.

    0-Cal and 1/2-Cal settings are not stored when power is turned off; when power

    is turned back on the reference point will need to be reset.

    -4-

  • Page 5:

    (4) 1/2-Cal / Output Signal Button

    Button function is set by the Function Select Switch to work as either 1/2-

    Cal Button, or Output Signal Button.

    1/2-Cal Button

    Press the 1/2-Cal button to divide the displayed reading by 2.

    Value is changed when the 1/2-Cal button is released.

    Button requires deliberate press of about 1 sec.

    (Button can not be used during error display.)

    Output Signal Button

    Press the Output Signal Button to output data,

    When pressed, the instrument transmits the measured data on the RS232C

    port. Signal output is initiated upon release.

    Button requires deliberate press of about 1 sec.

    If there is a problem with communication such as the cable not connected, an

    error message (E1, E2) will be displayed for about 3 sec.

    Please refer to "Output Signal" section for details.

    (5) Function Select Switch

    Used to set function of 1/2-Cal / Output Signal Button

    "1/2" position sets the function as 1/2-Cal,

    "OUT" position sets the function as Output Signal when pressed.

    -5-

  • Page 6:

    (6) Battery Cover Screw

    When replacing battery, turn counter clockwise to remove.

    (7) Battery Cover

    When replacing the cover, make sure the tab is inserted into the slot at

    the bottom of the compartment.

    (8) Data Out Jack

    RS-232C port for sending the displayed value and units to a remote device for

    recording or display.

    Signal can be output directly to a computer or printer equipped with an RS-232C

    port.

    Please refer to "Output Signal" section for details.

    (9) Base

    The dimension are: Length 100mm, Width 50mm.

    -6-

    Tab

    Slot

  • Page 7:

    [ Measurement Range and Zero-Point ]

    The instrument can be set to display a reference point of "0" at any angle using the 0-

    Cal and 1/2-Cal buttons.

    However, the measuring range of the instrument is limited by the range of the

    internal variable measured by the device. (This value can be seen when power is *rst

    turned ON, before changing the reference point.)

    Instrument does not have an internal reference to true horizontal.

    The zero reference when power is *rst turned on does not necessarily show true

    horizontal.

    When an absolute reference to horizontal is needed, the zero-point must be set each

    time power is turned on.

    In this way, the zero-point is accurate with each use with the advantage that any error

    due to drift in the zero-point is eliminated.

    Refer to the section "Zero-Point Setting" below and follow the 0-Cal and 1/2-Cal

    procedures to set the zero-point.

    The measurement range of the instrument is limited by two factors. The sensor

    operating range for what angles can be detected is ±8mm/m around it's internal zero-

    point. The range of the display is ±5mm/m. The instrument measurement range of

    ±5mm/m is limited by both these constraints.

    The following diagrams represent these two measurement ranges for various

    conditions. The internal measurement range is shown on the number line at the top

    of each diagram, and the displayed range shown below.

    -7-

  • Page 8:

    Cal, 1/2-Cal operations have not been performed.◎

    (Zero reference point for displayed value is same as internal reference.)

    -8-

    Display Zero→

    Measurement Range

    Internal Zero

    Display Zero→

    Measurement Range

    Display Zero→

    Measurement Range

    ◎ Reference point moved 1 mm/m using the 0-Cal, 1/2-Cal operations.

    (For example, initial reading was 1 mm/m when 0-Cal is performed,

    or 2 mm/m before 1/2-Cal is performed.)

    Internal Zero

    ◎ Reference point moved 3.4 mm/m using the 0-Cal, 1/2-Cal operations.

    (For example, initial reading was 3.4 mm/m when 0-Cal is performed.)

    Internal Zero

  • Page 9:

    [ HOW TO USE ]

    This is a precision instrument. Please handle with care and avoid any shock or

    mishandling.

    Before use, wipe the instrument base and the surface to be measured using a soft

    cloth or lens cloth moistened with mineral spirits or alcohol to remove any grease and

    contamination.

    Place the instrument on the surface to be measured.

    Turn on the instrument using the Power Switch.

    For best results, wait about 10 min. after power on for internal circuitry to stabilize.

    The zero-point will shift up to 0.02mm/m when *rst turned on as the system warms

    up. If this level of precision is not needed you can begin measurements as soon as it is

    turned on.

    Make sure there is no difference in temperature between the instrument and the

    surface to be measured.

    When the instrument is moved from a warm location to cold, (or visa versa) the

    display reading will not be stable. Please allow time for display to stabilize before

    taking measurements, or place the instrument where it will be used an hour in

    advance.

    After use, protect the base of the instrument by coating with rust-preventive oil

    before storage.

    -9-

  • Page 10:

    When viewed from the front (with the display on the right side,) if the right side is

    elevated the angle reading will be an increasing positive number.

    If the angle is out of range an error message will be displayed. For negative angles, a

    "‒" sign is also shown. In the error message, the "E" on the elevated side will also blink

    to indicate the direction of the out-of-range error.

    The gauge will display the angle of inclination as mm/m, which is the elevation for the

    surface over a distance of 1 meter.

    The actual height difference over a speci*ed distance or pitch can be calculated as

    follows:

    Pitch

    Height Difference / Pitch = Reading × 1000 [mm]

    For the example with the measurement pitch = 100mm,

    100

    Height Difference / Pitch = Reading × 1000 [mm]

    = Reading × 0.1 [mm]

    -10-

    Display

    Display

    Display

    Error

    Blinking

    Blinking

    Display (mm)

    1m

  • Page 11:

    [ ZERO-POINT SETTING ]

    The instrument does not have a preset absolute zero-point.

    When *rst turned on, a reading of zero ( the internal value ) will not necessarily

    indicate that the gauge is at true horizontal position. If a zero-point is required it must

    be set each time the instrument is switched on.

    In this way, calibration error is eliminated and the zero-point is set accurately each

    time.

    Setting the zero-point to true horizontal is accomplished using the 0-Cal and 1/2-Cal

    Operations.

    A ) For comparing relative slope of different surfaces.

    (1) Place the instrument on the surface to be used as the reference.

    (2) When the display has settled, press the 0-Cal Button to set the display to zero.

    A relative zero-point has now been set for use in comparative angle measurements.

    B ) If there is a true horizontal reference surface available.

    (1) Place the instrument on the surface to be used as the reference.

    (2) When the display has settled, press the 0-Cal Button to set the display to zero.

    Zero-point has now been set for absolute measurements.

    C ) If surface is not known to be level.

    (1) Place the instrument on the surface to be used as the reference.

    (2) When the display has settled, press the 0-Cal Button to set the display to zero.

    (3) Rotate the instrument 180° in the same spot on the surface.

    (4) When the display has settled, press the 1/2-Cal Button to divide the display

    reading by 1/2 .

    Zero-point is now set at true horizontal.

    The display will show the absolute tilt of the surface the instrument is on.

    Once this operation is done, the zero-point is set. However in case (C), if the reference

    surface is not level in the roll direction (perpendicular to the measurement axis,) there

    is a possibility of introducing some error to the measurement so make sure the

    surface is *rst leveled to reduce roll.

    -11-

  • Page 12:

    ≪ 0-Cal, 1/2-Cal Operation ≫

    The zero-point reference is set without an absolute reference by using the direction of

    Earth's gravity as a reference. This can be understood from the following procedure.

    Suppose a slope having an angle θ with respect to the horizontal plane.

    Place on that slope a board with a weight suspended on thread.

    As seen in the diagram below, the weight will move toward side A of the board at

    an angle θ from the line perpendicular to the slope.

    When the board is turned 180°, the weight now moves toward side B of the board

    by angle θ from the line perpendicular to the slope.

    Using this method, even without a true horizontal reference, we can determine the

    value of the angle 2×θ, where θ is the angle of the slope in reference to the

    horizon.

    By dividing by two, we can determine θ, the tilt of the slope.

    If the gauge is set to zero on a slope, then when the gauge is rotated 180° it will show

    the angle twice the actual tilt of the slope.

    If the reading is then halved, it will show the tilt of the slope, and by adjusting the

    slope until that reading is zero, we can adjust the surface to horizontal.

    Using this method for setting the horizontal reference, the reference set is always

    accurate and the gauge reliable. For an instrument with built in reference, there is a

    chance that it will be inaccurate and yet will continue to be used without knowing of

    the deviation.

    -12-

    Weight

    Weight

    Gravity

    Gravity

  • Page 13:

    [ LEVELING A SURFACE ]

    Leveling in one direction.

    (1) Place the instrument on the surface, and once the display has stabilized press the

    0-Cal Button.

    (2 ) Rotate the instrument 180° in the same location on the surface, and once the

    display has stabilized press the 1/2-Cal Button.

    (3) Adjust the tilt of the surface to make the instrument's display read zero.

    (4 ) Rotate the instrument 180° again to con*rm that the reading is zero and the

    surface is level.

    If it does not read zero after rotating, then repeat steps (1) ~ (4) above.

    Note: If there is a large tilt in the roll direction (perpendicular to the measurement

    axis) there will be some display error and it will be diQcult to level the surface. In

    this case, please also adjust the surface so that the roll direction is also level.

    -13-

    0-Cal 1/2-Cal

    Adjust

  • Page 14:

    Leveling in two directions (X、Y direction)

    (1) For one direction (for example the X-direction,) follow the above procedure for

    “Leveling in one direction.”

    (2) Repeat the procedure for the other direction (the Y-direction.)

    (3) When adjusting in one direction, it is possible that the perpendicular direction will

    be affected and no longer level. It may be necessary to repeat steps (1), (2),

    several times to bring the two axis into level.

    When the reading is zero for the gauge placed in any position, the surface is level.

    -14-

  • Page 15:

    [ Output Signal ]

    The measurement value and units can be read off the Data Out Jack.

    The signal is RS-232 compatible so can be connected to any computer or printer with

    an RS-232 port available.

    Use an audio type mini-plug for connecting cable to Data Out Jack.

    (1) TD (Output) Transmitted Data

    (2) CTS (Input) Clear to Send

    (3) GND Ground

    Comm method Asynchronous

    Comm Control Hardware (CTS controlled)

    Baud Rate 1200 bps

    Data Length 8 bit

    Stop Bits 1

    Parity Bit No

    Output signal ±5 V to ±10 V

    Input Signal ±3 V to ±15 V

    Transmitted data will be 16 characters in each string (Japanese character set.)

    The data contents are as follows:

    Character 1~14 Measurement data and units, including spaces

    Character 15 Carriage Return (CR)

    Character 16 Line Feed (LF)

    -15-

    (△symbol = space)

    Output units of mm/m

    Error Output

  • Page 16:

    Signal output is controlled by the CTS signal.

    CTS tells the system when to transmit, or not to transmit data.

    If the Function Select Switch is set to “1/2”

    For CTS level “high”, measurement data is sent on TD with each data update..

    For CTS level “low”, or not connected, measurement data is not sent.

    If CTS is continuously “high”, measurement data will be sent continuously.

    If the Function Select Switch is set to “OUT”

    For CTS level “high”, measurement data is sent on the TD line each time the

    Output Signal Button (OUT・1/2) is pressed.

    In order to prevent multiple data from being sent, the Output Signal Button will

    only send out data upon release.

    Data will not be output if Output Signal Button is continuously held down.

    Note 1: If CTS goes "low" and stays low for about 3 sec. during the transmission of the

    16 character data string, the transmission will be interrupted and the display

    will show “E1” for about 3 sec. and then return to normal operation.

    Note 2: If CTS is “low” when the Output Signal Button is pressed, the display will show

    “E2” for about 3 sec., and then return to normal.

    Note 3: If battery voltage is low, display will blink and data can not be output.

    < Timing Chart >

    T1:1.4msec to ~865msec

    T2:~136msec

    T3:~885msec

    -16-

    16 character data string

    T1 T2 T3

    CTS

    TD

  • Page 17:

    [ SHIPPING ]

    This is a precision instrument; when carried or shipped, care must be taken to avoid

    damage. Please be careful not so subject instrument to shock, vibration, or excessive

    forces when shipped.

    Hand Carrying

    Always transport in supplied case.

    Transport in upright position and not on side or upside down.

    When placing the gauge into the storage case, use care since the outer body is

    larger than the base and will get stuck.

    Shipping via Truck or Carrier

    Please prepare a shipping box with internal size approximately 10cm larger than

    the storage case in all dimensions.

    Place the instrument in the storage case, and place the case in the box with all sides

    protected with appropriate packing material (such as shredded paper or similar

    cushioning material.) Pack with enough material to ensure the case will stay

    centered in the box and will be protected from shock.

    The case should be right-side up, and the box marked to insure the box is kept

    upright during shipping, and not on side or upside down.

    -17-

    Shipping Box

    Packing

    Material

    Storage Case

    ※ Leave room for 5cm of packing material on all six sides

  • Page 18:

    [ NOTICES ]

     This is a precision instrument, handle with care. While in use and during transport

    protect from excessive shock, vibration, or excessive force to the main body or to

    the measuring surface.

     The measuring base is critical component for accurate measurements, use care to

    protect from corrosion.

     After use, clean any rust or dirt from instrument and apply rust preventive oil to

    the base before storing in the case.

     If not used for a long period, remove battery.

     Store in cool, dry location out of direct sunlight, and protect from high humidity

    or severe temperature changes.

     Make sure surface to be measured is free of any dirt or burrs which may cause

    damage to measuring surface.

     When used in a support capacity for other equipment, it can easily be damaged;

    please use care to avoid scratches or corrosion.

     Do not modify or use for purpose other than original intended use.

    -18-

  • Page 19:

    [ SPECIFICATIONS ]

    Model DL-m3

    Measurement Range ±5.00 mm/m

    Resolution 0.01mm/m

    Operating Temp. range 0~40℃

    Accuracy(※1) [17~23℃]

    ±0.02 mm/m or, if larger:

    ±3 %rdg (0 ~ ±2 mm/m)

    ±4 %rdg (±2 ~ ±5 mm/m)

    [0~40℃]

    ±0.02 mm/m or, if larger:

    ±5 %rdg (0 ~ ±2 mm/m)

    ±6 %rdg (±2 ~ ±5 mm/m)

    Repeatability Within ±0.01 mm/m

    Output Signal RS-232C compatible

    Power Standard 9V battery (JIS S-006P ) (1x)

    Continuous Use Time(※2) Zinc-Carbon battery approx. 35 hours

    Alkaline battery approx. 70 hours

    Dimensions 105 (L) × 50 (W) × 73 (H) mm

    Base Dimensions 100 (L) × 50 (W) mm

    Weight 0.88kg

    Accessories 9V Battery

    Storage Case

    Owner's Manual

    (※1) % rdg is "percentage of reading"

    (※2) Some variation depending on usage conditions.

    NIIGATA SEIKI CO., LTD

    6-15-22, Tsukanome, Sanjo-city, Niigata 955-0055 JAPAN

    TEL: 0256-31-5670

    -19-

DOC-224fcdef:

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