Automation Dr. Nix QNix 7500 Instrukcja obsługi - Strona 2
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Display of Mean, Maximum
and Minimum Values
Additionally, the gauge can display the mean, maximum,
and minimum value of the readings stored in the presently
used block. The gauge has to be switched on and be work-
ing in the Memory Mode. Press the lower left button C
shortly, while the gauge is lifted off the surface. The display
will show the sign "Ae" (average) and the average value in
µm, mm or mil alternating with "N" showing the number of
readings stored in this block. E.g. Ae 265 µm alternating
with N 0044 means, that in the active block the average
value is 265 µm and has been calculated out of 44 readings
stored in this block.
In order to display the maximum reading of the active block,
press the lower left button C again. The display will show
the sign and the maximum reading. When pressing this
button again the minimum reading of the active block is
displayed.
If no readings have been stored in the active block, it is not
possible to calculate statistical values. Then the display will
read "Ae no" alternating with "N 000".
The display of the mean-, minimum-, and maximum values
is not segregated into Fe and NFe measurements.
Deleting Stored Readings
or Blocks
The QNix® 7500 allows to delete the last reading in the
memory as well as the entire memory. The procedure is as
follows:
Set the gauge to the Memory Mode. Then press the lower
left button C for at least 3 seconds while the gauge is lifted
off the surface. This function allows the user to eliminate er-
ratic readings that would falsify the statistics.
If all readings in a block are already deleted, the next delet-
ing process will eliminate the block as such, and the last
reading in the previous block will be displayed.
The entire memory content can be deleted by keeping the
button pressed for another 3 seconds after the last reading
has been deleted. The display shows "dEL" and "ALL" (al-
ternating) and a "beep" sounds. If the button is not released
within these 3 seconds, the entire memory content will be
deleted.
Deleting of the entire memory content can also be per-
formed with our optionally available software.
Processing of Stored
Values in the Computer
The built-in interface enables the gauge to process the
measured data statistically. The socket of the interface is
located at the bottom of the housing and is covered by the
lid of the battery compartment to prevent spoiling of the
socket. A software for statistical evaluation on your comput-
er is also available.
For further information concerning "Data Processing"
please refer to the software Instruction Manual.
Online-Measurements
All measurements of the QNix® 7500 or QNix® 7500 M
can be displayed online on the computer monitor.
The procedure is as follows:
Connect the probe with the gauge using the adapter cable.
The gauge itself has to be connected to the computer via
the interface cable. Each reading or other process, such as
calculation of mean, maximum, and minimum value, is di-
rectly displayed on the computer monitor. If the gauge
QNix® 7500 M is set to the Memory Mode, all readings will
additionally be stored so that the data can be processed
later.
If the last reading in the gauge is deleted, the monitor will
show the information "DELETED".
Display Messages
1. Fe
= Measurements on steel or iron
substrate
2. NFe
= Measurements on non-ferrous
metallic substrates
3. Err
= Incorrect handling
4. IFI
= Measurement beyond the measuring
range, or incorrect substrate
5. BAT
= Battery is getting weak,
please exchange
6. bloc
= Displayed alternating with the
block number
7. End
= Out of memory
exhausted
8. Prob
= The gauge is switched on,
but no probe connected
9. Ae
= Average value of all measurements
stored in the active block
10. a) N
= number of readings
b) (Ae)N = Number of measurements of the
evaluated block
11. no
= No readings stored in the active block,
calculation of statistical values
is not possible
12.
= Maximum value measured
in the active block
13.
= Minimum value measured
in the active block
Scope of Supply
The electronic coating thickness gauge QNix® 7500 or
QNix® 7500 M is delivered with a carrying case containing
(as option) an integrated Fe or NFe probe, together with the
respective zero plate, a 9V alkaline battery and the Instruc-
tion Manual.
Accessories (optional)
Probe Fe Probe NFe Dual-Probe Right-Angle-Probe
Fe, rigid Right-Angle-Probe NFe, rigid QNix® 7500
adapter cable Interface cable RS 232 or USB-cable for
connection to a PC QNix
®
-Software for PC.
Technical Data
Substrate
iron or steel
Fe-Probe
Non-magnetic metals, e.g.
aluminium, zinc, copper, brass,
stainless steel
NFe-Probe
Memory (optional)
up to 3900 values
Blocks
up to 999
Interface
RS 232 and TTL
Measuring Range
0.0 - 2000 µm or 0.00 - 80 mil
resp.
0.0 - 5000 µm or 0.00 - 200 mil
(memory gauges convertible by software)
Display of Readings
from 0.0 - 999 in µm
from 1.00 - 2.00 (5.00) in mm
resp. from 0.00 - 80 (200) in mil
Resolution
0.1 µm
0.0 - 99.9 µm
1 µm
100 - 999 µm
0.01 mm
1.00 - 2.00 (5.00) mm
resp. 0.01 mil
0.00 - 9.99 mil
0.1 mil
10.0 - 80 (100) mil
1 mil
100 - 200 mil
Accuracy
+/- (1 µm + 2%)
0 - 2000 µm
resp.
0 - 80 mil
+/- 3.5%
2000 - 5000 µm
resp.
80 - 200 mil
Minimum Object Size
Fe
10x10 mm² (0.4"x0.4")
NFe
6x6 mm² (0.24"x0.24")
Minimum Curvature
convex
5 mm or 0.02"
concave
30 mm or 1.2"
Minimum
Substrate Thickness
Fe
0.20 mm or 8 mil
NFe
0.05 mm or 2 mil
Temperature Range
Storage
-10°C to 60°C (14°F to 140°F)
Operation
0°C to 50°C (32°F to 122°F)
Probes
One-Point
Power Supply
9 Volt Alkali Battery
Dimensions
120 x 60 x 26 mm
(4.8" x 2.4" x 1.04")
Weight
120 g (4.2 oz) incl. battery
Technical Date subject to change without notice
Instruction Manual
Coating Thickness Gauge
7500
7500 M
with Memory
Automation Dr. Nix GmbH & Co. KG
Robert-Perthel-Str. 2
50739 Köln, Germany
Tel. +49 (0) 221 91 74 55-0
Fax +49 (0) 221 17 12 21
www.automation.de
02/11