Niigata seiki LEVELNIC DL-S3 DL-BW User manual

1
LEVELNIC
DL-S3
OPERATION MANUAL

2

-1-
Thank you for adopting the Niigata Seiki LEVELNIC.
To bring the intrinsic performance of this device to full play when you use it, please read this
manual carefully through the end and acquire a sure grip on its correct use, so that the device will
serve you for many years to come.
This product contains certain elements that correspond to the strategic commodities (or,
services) defined under the Foreign Exchange and Foreign Trade Control Law of Japan.
Therefore, an export permit is required to export the product in accordance with the said Law.

-2-
[Contents]
General....................................................................................................................... 3
Features..................................................................................................................... 3
Names of Component Parts ....................................................................................... 4
Functions of Component Parts................................................................................... 6
Variation of Measuring Range due to Movement of Reference Point....................... 10
Operation Method..................................................................................................... 12
Zero-Point Setting..................................................................................................... 14
Leveling.................................................................................................................... 16
External Signal Output.............................................................................................. 18
Transportation Method ............................................................................................. 21
Precautions............................................................................................................... 22
Specifications ........................................................................................................... 23

-3-
[General]
This is a pendulum type high sensitivity and precision class electronic level with a built-in
microcomputer.
It picks up, as an electric signal, a minute displacement of the pendulum produced according to
an angle of inclination, and allows the user to take direct reading of the inclination by way of a
digital indication of the grade in mm/m or the angle in DEG (º).
[Features]
Thanks to the differential transformer incorporated, the device offers an extremely high
sensitivity and is highly stable.
The device allows measurements over a broader range than bubble tube type levels.
( ± 5 mm/m, ± 0.286º)
The device responds faster than bubble type levels.
(Response time: Approx. 10 sec. when a full-scale displacement is given)
Since the device produces digital indications, it does not require skill for taking readings.
The 0-Call and 1/2-Call switches enable such operations as deciding a reference, halving an
indication, and so on, to be conducted at one touch of the buttons.
An inclination can be indicated in two different ways: mm/m and DEG (º), selectable via a
switch.
The mode switch allows the user to select the minimum places of reading.
The device can be linked to a computer and printer through the signal output (conforming to
RS-232C).

-4-
[Names of Component Parts]
(1) 0-Call switch
(2) 1/2-Call switch-cum-signal output switch
(3) Auxiliary bubble tube
(4) Display panel
(5) Power switch
(6) Unit selector switch
(7) Mode switch
(8) Function selector switch
(9) Level base

-5-
(10) Signal output jack
(11) AC adapter jack
(12) Battery case
(13) Battery case knob

-6-
[Functions of Component Parts]
(1) 0-Call switch
Pressing the 0-Call switch resets the indication to zero.
The 0-Call switch changes the indication the moment it is released.
Operate the switch by pressing it rather leisurely for a second or so.
(2) 1/2-Call switch-cum-signal output switch
The switch functions as the 1/2-Call switch and also as the signal output switch. The function
selector switch is provided to choose the function in which the switch is to work.
As 1/2-Call switch:
Pressing the 1/2-Call switch halves the indication value as at the time when the switch is
pressed.
The 1/2-Call switch changes the indication value the moment it is released.
Operate the switch by pressing it rather leisurely for a second or so.
As signal output switch:
This switch is intended to instruct the output of signals on the side of this device.
Pressing the signal output switch causes the measured value to be output in RS-232C-
conformant signals through the signal output jack.
The signal output takes place the moment the switch is released.
Operate the switch by pressing it rather leisurely for a second or so.
If the cable is not connected properly or some abnormal condition occurs during
communication, an error (E1, E2) will be displayed for approximately three seconds.
For details, see Section [External Signal Output].
(3) Auxiliary bubble tube
This is designed to check for inclinations in the roll direction (direction perpendicular to the
measurement axis).

-7-
(4) Display panel
The panel displays inclinations and shows low battery voltage and communication glitches.
Inclinations:
Indication values can be displayed in either the unit of mm/m or the unit of DEG (º), as
selected with the unit selector switch.
To distinguish between indications in mm/m and those in DEG (º), 0 of the place to the left
of the decimal point is not displayed when indications are produced in DEG (º).
If an inclination surpasses the measuring range, an error will be displayed. If the error is in
the positive direction, EEEE will be shown, and if the error is in the negative direction,
-EEEE will appear. As the inclination comes back to be covered within the measuring
range, the normal operation will be restored.
Low battery voltage:
If the battery voltage falls below the working range, the indication value will blink by the
action of the automatic battery check function. Should you find the indication value
blinking, replace the battery with a new one, or use the AC adapter supplied with the
device.
Communication glitches:
In the event that the cables are not properly connected or a glitch takes place during
communication, an error (E1, E2) will be displayed for about three seconds.
For details, see Section [External Signal Output].
(5) Power switch
The device gets to function normally approximately five seconds after the power switch is
turned on.
The reference point you may have established with the 0-Call switch or 1/2-Call switch will
be cleared when the power switch is turned off.
When you turn on the power switch again, the reference point will have to be freshly set up.

-8-
(6) Unit selector switch
The switch selects the unit in which indication values are to be displayed, mm/m or DEG (º).
The unit of mm/m indicates a difference of elevation per meter in millimeters. The measuring
range is ± 5 mm/m.
DEG (º) indicates a difference of elevation in
an angle.
The measuring range is ± 0.286º.
(7) Mode switch
This switch specifies the minimum place of reading to be indicated when the measured value
is ± 1.999 mm/m or ± 0.1145º, or smaller.
The minimum place of reading of 0.001 is 0.001 mm/m or 0.0001º.
The minimum place of reading of 0.01 is 0.01 mm/m or 0.001º.
The place that disappears when 0.01 is specified is rounded off.
When the desired place is satisfied enough with 0.01 mm/m or 0.001º, the indications
become easy to view, free from heavy flickering.
By the way, even when 0.001 was specified, the minimum place of reading will automatically
become 0.01 mm/m or 0.001º if the measured value surpasses the above ranges.
(8) Function selector switch
This switch designates the function with which the 1/2-Call switch-cum-signal output switch is
to work.
When 1/2 is selected, the switch works as the 1/2-Call switch. Selection of OUT allows the
switch to function as the signal output switch.
(9) Level base
The level base comes with two M5 screw holes in the bottom surface.
These holes can be utilized to mount a special base manufactured separately or a jig.
The screw holes are 8 mm deep and spaced by 130 mm.
mm/m
indication
1 m
DEG indication