NDT FERRITE-CHECK 110 User manual

OPERATION MANUAL
FERRITE CONTENT METER
FERRITE-CHECK 110
Firmware version 1.0 and up
2022-11

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TABLE OF CONTENTS
FERRITE-CHECK 110 (2022-11
1. Introduction ............................................................ 2
2. Quick Start Guide .................................................... 3
3. Operating the device with the red button ............... 3
4. Measurement display .............................................. 4
5. Menu functions ....................................................... 5
a. O .......................................................................................... 5
b. Calibrate ................................................................................. 5
0 - Base Calibration......................................................................................................... 6
FN Calibration ................................................................................................................. 7
FN Value Adjust .............................................................................................................10
c. Mode ..................................................................................... 12
Average Measurement ...................................................................................................12
Normal Measurement .....................................................................................................12
d. Setup ..................................................................................... 13
Language ......................................................................................................................13
Unit ..............................................................................................................................13
Battery ..........................................................................................................................14
Turno Time .................................................................................................................14
Instrument Reset ...........................................................................................................15
6. Replacement of battery ........................................ 15
7. Technical Data ...................................................... 16
Function plan in the instruction center

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1. INTRODUCTION
With FERRITE-CHECK 110 you can easily and quickly measure the errite content in
steels according to ISO 8249.
ISO 8249 particularly ocuses on austenitic steel and duplex steel ( erritic / austenit-
ic) to be evaluated or welding operations: i the errite content is too low, the weld
metal becomes susceptible to cracking; i the errite content is too high, toughness
and corrosion resistance are reduced. For duplex steels, a lack o errite at the weld
causes a reduction in strength.
The determined errite number is a description o the errite content in a weld metal,
which is determined in a standardized procedure. Instead o the errite number (FN),
the errite content (Fe%) can also be determined. The conversion is about 70% o
the FN value. The errite content determined as Fe% does not necessarily corre-
spond to the actual or absolute errite content. There ore, the errite number is more
commonly used.
Uneven or round sur aces (as on rods), as well as contamination o the sur ace, can
lead to incorrect or inaccurate measured values
FERRITE-CHECK 110 is pre-calibrated, but is supplied with three calibration
standards or easy recalibration. The instrument is calibrated be ore delivery using
calibration standards provided by the National Institute o Standards and Technology
(NIST).
The "FN140" standard placed on the le t in the case has a bright steel sur ace and is
to be used or zero calibration (base calibration) during two-point calibration.
In the center and right o the case are two standards covered with copper oil. They
represent di erent errite numbers (approx. 6, approx. 17). The exact value is
written on the respective standard.
The standard with the lower FN number is also used or the two-point calibration, the
second step, called FN calibration.
Alternatively, you can also calibrate with the third standard, especially i you
regularly have higher errite values on your workpieces. This increases the accuracy
o these measurements.

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2. QUICK START GUIDE
The instrument is factory calibrated and ready for immediate
use.
Switch on: Press the red button or a long time, the display shows
Ready
Measure: Place the device with measuring probe on the object to
be measured and wait until a signal tone con irms the
measurement.
Switch off: Press red key until display goes dark
3. OPERATING THE DEVICE WITH THE RED BUTTON
Press the key brie ly to scroll through the menu unctions, press and hold the key
(with signal tone) to activate the desired menu unction.
The menu unctions can only be called up i the measuring probe is not placed on an
object.
At the end o each submenu there is a display Back that allows you to exit the
submenu.
In the delivery state, English is preselected as the language.

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4. MEASUREMENT DISPLAY
The standard display shows the FN value o a single measurement
By changing the measuring unit (Setup / Unit), the measurement can be displayed
in Fe%.
When the measurement type is changed to the average value measurement (Mode /
Average measurement), the current single value and the average value o the
measurement series are displayed, since the last time the probe was placed on the
object.
You can also use the average measurement with unit Fe%.

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5. MENU FUNCTIONS
a. O FF
By pressing the key or a long time (long signal tone), the device is switched o
manually.
I you keep the key pressed or more than 3 seconds a ter switching o , the
irmware version is also displayed.
The automatic turno time is 2 minutes in the delivery state and can be changed un-
der the menu item Setup.
b. C ALIBRATE
You can recalibrate the instrument at any time on the supplied calibration standards
with a two-point calibration.

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0 - B ASE C ALIBRATION
The base calibration is called zero calibration, although its result is not FN 0, but FN
140. FN 140 corresponds to 100% Fe and is the value o ull iron or saturated errite
material.
In the o -hook state, select in the menu 0 - Base Calibration, then place the
instrument with the measuring probe on the FN140 calibration standard. Now wait
until the FN140 value is displayed and con irmed by a signal tone, and then li t the
instrument again.

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FN C ALIBRATION
The FN calibration is the second calibration point or the accurate calibration o the
device (two-point calibration).
The FN calibration is normally per ormed on the calibration standard with the lower
speci ied FN value.
Select FN Calibration in the o -hook state, then place the instrument with the
measuring probe on the calibration standard and wait until the FN value is displayed
and con irmed by a signal tone.
I high errite contents are measured regularly, it makes sense to use the calibration
standard with the higher FN value.

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Function plan / menu structure
(Arrow down: red key short, Arrow right: red key long)

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Space for your notes

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FN V ALUE A DJUST
The two supplied calibration standards with copper oil have di erent standard
values, the exact value is written on the standard. On delivery, the value is set to the
standard with the smaller FN number placed in the middle o the case, should you
exchange it or use the right standard or two-point calibration, this value must be
adjusted in the device.
The arrow to the right indicates that the FN values increase by pressing the key.
The arrow to the le t indicates that the FN values decrease by pressing the key.
Brie ly pressing the key, changes the FN value in steps o 0.1. A ter releasing the key
or at least 1 second, the arrow changes rom < to > and back. This switches the
direction o the change (increase / decrease FN value).

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To change the rough FN value, a ter the tenth step in one direction the FN value is
automatically changed without pressing the key until the current FN value stops by
brie ly pressing the key again. The exact FN value can then be set by pressing the
key in both directions individually.
Press and hold the key to accept and save the FN value.
Because the internal baseline is completely recalculated when the calibration is
accepted, this process can take a ew seconds. This is indicated by a W ( or wait) in
the upper right corner. The device does not accept any input during this time.

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c. M ODE
As measurement mode, the average measurement can be activated, or you can
return to the preset normal measurement.
A VERAGE M EASUREMENT
With the average value measurement, measured values are permanently recorded
and arithmetically averaged. In this way, you can drag the device over a workpiece
and see the current value as well as the average value o all previously measured
values. A ter li ting the probe and placing it on the workpiece again, the average
value is reset.
N ORMAL M EASUREMENT
In contrast to the average measurement, a single value is displayed or the normal
measurement is displayed and con irmed by a signal tone.

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d. S ETUP
In the setup menu you can change language, measuring unit and turno time.
L ANGUAGE
Selection o the menu language (German or English).
U NIT
Change the unit o measurement between FN and Fe%.
The conversion rom FN to Fe% is a simple ormula with a constant actor.
FN 140 = 100% Fe, the actor is always 1.4.

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B ATTERY
Display o the current battery voltage (by long press).
T URNOFF T IME
Selection o the automatic turno time o the device (2 minutes / 15 minutes / o =
the device is always switched on). Off should only be selected in special cases, as
this can greatly increase the power consumption.

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I NSTRUMENT R ESET
I the device can no longer be calibrated correctly or i any other mal unction occurs,
the actory calibration can be reloaded here by per orming a device reset. The device
switches o automatically.
6. REPLACEMENT OF BATTERY
As soon as the warning message Change batt. appears when the device is switched
on, the battery must be replaced.
From a battery voltage o < 1.0 V, the device switches o automatically.
Please use only leak-proof batteries.

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7. TECHNICAL DATA
Application Measurement o errite content in austenitic and duplex steels
Measuring range 0,1 – 80 Fe%
0,1 – 110 FN
Measuring method Single measurement or continuous measurement with averaging
Smallest measuring area ø 8 mm
Resolution until 10: 0.01
above 10: 0.1
Ambient temperature 0 – 50 °C
Display illuminated high-contrast graphic OLED display
Multilingual menu navigation German, English
Power supply 1x 1.5 V AA Mignon
Operating time approx. 30 hours
Dimensions Ø 28 x 94 mm
Weight 72 g (with battery)

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