Keller ITS CellaCast PT 18 Series User manual

Operating Manual PT 18x
Pyrometer CellaCast
PT 18x
Mat. No. 105 9957 10/2018

Operating Manual PT 18x
Copyright prohibits the reproduction or distribution of this instruction
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or in part, for any purpose whatsoever, without prior consent of the au-
thor. This applies to any form of mechanical or electronic reproduction as
well as to electronic transmission in any form through any
medium.
Please note:
Unless otherwise stated in this instruction manual, the instruments
described herein are subject to change without prior notice, particularly
modifications for the sake of technological advancement.
2013 KELLER HCW GmbH
Carl-Keller-Straße 2 - 10
D - 49479 Ibbenbüren
Germany
www.keller.de/its/
830-hm / 810-het
PT_18x_en.doc
09.10.2018

Operating Manual PT 18x
Contents
1Miscellaneous ...................................................................................... 1
1.1 About this manual........................................................................................1
1.2 Explanation of symbols................................................................................1
1.3 Liability and Warranty..................................................................................1
1.4Copyright.....................................................................................................2
2Safety.................................................................................................... 2
2.1 Intended use ...............................................................................................2
2.2 User’s responsibility.....................................................................................2
2.3 Electromagnetic Compatibility .....................................................................3
2.4 Quality Management Certification................................................................3
2.5 Environmental Management........................................................................3
3Scope of delivery.................................................................................4
4General Description............................................................................. 4
4.1 Intended Use...............................................................................................4
4.2 Operating Controls and Display...................................................................4
5Initial Setup........................................................................................... 6
5.1 General Information.....................................................................................6
5.2 Using the protective glass ...........................................................................6
5.3 Charging the batteries.................................................................................6
5.4 Diopter compensation..................................................................................7
5.5 Focusing the pyrometer...............................................................................7
5.6 Brightness control to protect the eye ...........................................................8
5.7 Aiming at the target .....................................................................................8
6Measurement........................................................................................9
6.1 Performing a measurement.........................................................................9
6.2 Automatic switch-off ....................................................................................9
7Setting parameters at the pyrometer (basic configuration) ..........10
8Menu....................................................................................................11
8.1 Configuration layer C001...........................................................................11
8.2 Configuration layer C011...........................................................................12
8.3 Configuration layer C020...........................................................................12
9How to determine and set material constants................................12
10 Initialising material constants .......................................................... 14
10.1 Define number of material constants in array.............................................14
10.1.1 Store material constants ..........................................................................................14
10.2 Select the material constant ......................................................................15
11 Further configuration ........................................................................15
11.1 Automatic Temperature Detection (ATD)...................................................15
11.1.1 Threshold limits........................................................................................................16
11.1.2 Display and output of temperature reading [ANO]................................................17
11.1.3 Average weighting [F-PR]..................................................................................17
11.1.4 Cut-off interval [T.DIS]........................................................................................18
11.1.5 Auto reset Function [A.RST]................................................................................18
11.1.6 Li2 check on tAct [CH.L.2] ...................................................................................19
12 Setting Parameters at the device ..................................................... 19
12.1 Configuration layers...................................................................................19
12.1.1 Temperature measurement using two-colour/ratio mode (Configuration layer:
C001).................................................................................................................................20
12.1.2 One-colour (single-wavelength) measurement:.......................................................21
Spectral channel 1: config. layer C002 Spectral channel 2: config. layer C003.......21
12.1.3 Configuration I/O (Configuration layer: C010)....................................................22

Operating Manual PT 18x
12.1.4 General Functions (Configuration layer: C011) .................................................24
12.1.5 Displayed temperature readings/ Signal intensity....................................................24
13 Software CellaView............................................................................25
14 PC Interface........................................................................................ 25
15 Remote configuration........................................................................ 26
15.1 Main Menu ................................................................................................27
15.2 View Current Configuration........................................................................27
15.3 Submenus.................................................................................................28
15.3.1 Configure two-colour/ratio mode..............................................................................28
15.3.2 Configure single-wavelength mode Lambda 1 ........................................................28
15.3.3 Lambda 2 .................................................................................................................29
15.3.4 Quick access to emissivity / signal smoothing / operating mode.............................29
15.3.5 I/O Signal Configuration...........................................................................................29
15.3.6 Automatic temperature data output..........................................................................30
15.3.7 User Recalibration....................................................................................................31
16 Maintenance....................................................................................... 34
16.1 Cleaning the pyrometer lens/protective glass ............................................34
17 Accessories........................................................................................34
18 General technical data ......................................................................35
19 Technical data PT 180 .......................................................................35
19.1 Field of View Diagrams PT 180.................................................................36
19.1.1 CellaCast PT 180 AF 4 ............................................................................................36
19.1.2 CellaCast PT 180 AF 6 ............................................................................................37
20 Technical data PT 183 .......................................................................38
20.1 Field of View Diagrams PA 183.................................................................38
20.2.1 CellaCast PT 183 AF 1 ............................................................................................39
20.2.2 CellaCast PT 183 AF 3 ............................................................................................40
20.2.3 CellaCast PT 183 AF 13 ..........................................................................................41
21 Dimensions.........................................................................................42
21.1 Shipping, Packaging and Disposal ............................................................43
21.1.1 Inspecting your shipment.........................................................................................43
21.2 Packaging .................................................................................................43
21.3 Disposal of used apparatus.......................................................................43
22 Copyright............................................................................................ 44
23 Default Settings PT 180.....................................................................45
23.1 Temperature measurement using two-colour/ratio mode (Cofiguration layer:
C001)................................................................................................................45
23.2 General Functions (configuration layer: C011).....................................46
24 Default Settings PT 183.....................................................................46
24.1 Temperature measurement using two-colour/ratio mode (Cofiguration layer:
C001)................................................................................................................46
24.2 General Functions (configuration layer: C011).....................................47

Operating Manual PT 18x
1
1 Miscellaneous
1.1 About this manual
The Operating Manual shall enable the user to operate the pyrometer.
Prior to initial use, be sure to read and understand this entire manual, in
particular the chapter on safety! The instructions contained in this manu-
al, especially those concerning safety, as well as site-specific regulations
governing UV radiation must be complied with at all times!
1.2 Explanation of symbols
Important safety-related references in this manual are marked with a
symbol.

1.3 Liability and Warranty
All information compiled in this manual is in accordance with applicable
regulations. The statements made are based on state-of-the-art technol-
ogy and reflect our extensive knowledge and many years of experience.

This Operating Manual must be retained for future use. Please ensure
that all persons who wish to operate the device have access to this man-
ual.
Read this Operating Manual carefully before you do anything to
and/or with the device, especially prior to initial use! The Manu-
facturer shall not be held liable for any damages or malfunc-
tions arising from the failure to comply with the warnings and
instructions contained herein.
This symbol indicates very important information. Failure
to follow these instructions may result in pyrometer
damage, malfunction or breakdown.
This symbol points out guidelines which should be heeded for
efficient and trouble-free operation.

Operating Manual PT 18x
2
1.4 Copyright
This Operating Manual should be treated as confidential. It is solely in-
tended for use by persons involved with the instrument. This manual may
not be made available to a third party without prior Manufacturer’s con-
sent. Please contact the Manufacturer if the need should arise.

Reproductions of any kind, in whole or in part, as well as the exploitation
or disclosure of this manual’s content without the explicit written approval
of the Manufacturer are expressly prohibited by law. Violations shall be
subject to compensation claims by the Manufacturer. The right to claim
additional indemnities remains reserved.
2 Safety
This chapter outlines all important safety aspects to be considered for
optimum employee protection and to ensure safe and reliable operation.
2.1 Intended use
The pyrometer is solely intended for non-contact measurement of tem-
peratures as described in this manual. Any other use is not intended.
Operational safety can only be ensured when the instrument is used for
its intended purpose.
The Manufacturer/Authorised Agent shall not be held liable for any dam-
ages or loss resulting from such unintended or improper use; in this case
the risk is solely borne by the user.
2.2 User’s responsibility
The pyrometer may only be used when it is in perfect working condition.
The data, texts, charts, drawings, images or other representa-
tions contained in this manual are copyright-protected and fur-
thermore, subject to intellectual property rights. Violators will be
prosecuted. Unauthorized use and copyright infringement will
be subject to penalty by law.
It is prohibited to use the pyrometer for any other purpose be-
yond what is specified in this manual. Using the instrument in
any other manner will be considered as improper.

Operating Manual PT 18x
3
2.3 Electromagnetic Compatibility
The devices comply with the essential safety requirements of the Elec-
tromagnetic Compatibility Directive 2014/30/EU (EMC Act).
2.4 Quality Management Certification
The KELLER HCW Quality Management System meets the DIN EN ISO
9001 standards for design, production, repairs and service for non-
contact infrared temperature measuring equipment.
2.5 Environmental Management
Sustainable economic management is more important than ever.
KELLER HCW’s corporate environmental management system complies
with DIN EN 14001/50001 standards.

Operating Manual PT 18x
4
3 Scope of delivery
Make sure that all of the following components have been included with
your shipment:
Pyrometer
Carrying case
Battery charger
Calibration certificate
Software CellaView (Download Version)
USB cable
Quartz protective glass
4 General Description
4.1 Intended Use
The CellaCast PT 180/ PT 183 were specially designed for mobile tem-
perature detection of molten metal. The CellaCast PT 180/ PT 183 fea-
tures ATD (Automatic Temperature Detection). The pyrometer starts
measuring as soon as you switch it on and point it at the target. After a
few seconds an audible alarm indicates the end of the measurement.
The display panel shows the temperature reading and, if desired, com-
municates the data via USB interface.
As an optical measuring technique, CellaCast PT 180 / PT183 detect
temperature without contact. The pyrometer captures the infrared energy
radiating from an object’s surface and yields a temperature value. The
optical system measures the radiation within a clearly defined measure-
ment area. Depending on the specific target size and the particular lens
being used, the CellaCast PT pyrometer can measure from a distance of
several meters.
Signal processing is based on a dual-wavelength method. The IR radia-
tion is detected at two separate wavebands and a temperature reading is
generated from the ratio of these two intensities. Compared to a single-
wavelength pyrometer, the two-colour method is far less susceptible to
signal attenuation due to line-of-sight obstructions such as dust, steam or
smoke.
4.2 Operating Controls and Display
The rear panel of the CellaCast PT 180 / PT 183 has a 4-digit display
and 4 push-buttons. The display normally indicates the currently meas-
ured temperature. During configuration (using the push-buttons), the dis-
play will show the parameter you are setting.

Operating Manual PT 18x
5
Whenever the display shows a parameter, the F1 Parameter LED (yel-
low) will light up. During a running measurement, the F2 Status LED
(green) will light up.
Parameter LED
Status LED
Okular
Mode - key
LED charge indicator
Charging socket
¼“ Tripod thread
Switch „ON“
USB connection
Parameter
select /change
Display

Operating Manual PT 18x
6
5 Initial Setup
5.1 General Information
The pyrometer’s field of view must remain unobstructed. Any obstruction
may lead to measurement errors.
5.2 Using the protective glass
A protective glass will protect the pyrometer lens against dirt and molten
metal splatter. This optional accessory is included with the pyrometer
purchase. If desired, simply screw it onto the objective lens.
When using the CellaCast PT 180 / PT 183 as a two-colour pyrometer
(which is the normal operating mode), you will not need to select a spe-
cial setting to compensate for the transmittance of the quartz glass. If
you perform a spectral (single-wavelength) measurement, you must set
the transmittance to 0.93 for the selected spectral channel (see chapter
12.1.2, parameter TAU.1).
5.3 Charging the batteries
Connect the battery charging socket of the CellaCast PT to the provided
power supply. The charge indicator lights as long as the batteries are be-
ing charged. A complete charging cycle takes approx. 15 hours.
Only use the power supply which comes with the pyrome-
ter. Do not use any other power supply as this may cause
irreparable damage to the device.
Only use the wavelength-neutral lens protection glass supplied
by KELLER. Do not use any commonly available camera lens
accessory! Doing so will result in measurement errors.
Protective glass

Operating Manual PT 18x
7
5.4 Diopter compensation
5.5 Focusing the pyrometer
The CellaCast PT pyrometer is equipped with focusable optics. Turn the
lens until the target object and the target marker (distinctly marked in the
viewfinder) both appear in sharp focus simultaneously.

Target object
To ensure precise temperature measurement, the pyrometer
must be correctly focused on the target object.
The pyrometer offers diopter compensa-
tion to adjust the sighting device to the
user’s vision.Turn the ring until you see
a sharp image of the target spot indica-
tion in the viewfinder.
The charger is only for charging the battery.
The rechargeable battery is only charged when the pyrom-
eter is switched off.

Operating Manual PT 18x
8
5.6 Brightness control to protect the eye
5.7 Aiming at the target
Direct the CellaPort to the object to be measured. The target marker in
the through-the-lens sighting device indicates the size of the target. (see
technical data/ course of target). When measuring with a two-colour py-
rometer, the object to be measured is not required to fill the complete
measurement area. When aiming the pyrometer PT 183, hold it at a right
angle (perpendicular) to the targeted object (the molten metal stream).
Make sure the target is in the center of the rectangular measurement ar-
ea. The pour stream must be wide enough so that it fills up at least 30%
of the rectangle.
A traffic light status indicator, integrated in the viewfinder, tells the user
when not enough emitted infrared energy is reaching the sensor for a re-
liable temperature measurement. If signal attenuation (due to dust,
steam or fumes in the line of sight or when the pyrometer is too far from
the target) has reached a critical level at which the pyrometer can no
longer generate reliable temperature data, a red LED will light up and the
device stops measuring.
Correct aiming captures the
free flowing molten metal stream
Incorrect aiming captures
the target and the hot background
A hot background within the measurement area can result
in erroneous temperature data.
The CellaCast PT pyromter is equipped
with an adjustable polarising filter to con-
trol brightness and protect the user’s eye.

Operating Manual PT 18x
9
6 Measurement
6.1 Performing a measurement
Press the ON-button to switch on the device. The pyrometer starts
measuring as soon as you point it at the hot target. The target (metal
stream) must remain within the rectangular measurement area as long
as the display is blinking. After a few seconds an audible signal indicates
that the pyrometer has finished measuring. The temperature reading ap-
pears in the display or, as an option, is transmitted via interface.

6.2 Automatic switch-off
In the default setting, the CellaCast PT pyrometer switches off automati-
cally after 2 minutes if none of the control keys are pressed. Automatic
switch-off can be configured from 1 –60 minutes. When the pyrometer is
in “automatic switch-off deactivated“ mode, you must press the ON key
to manually to switch the pyrometer off.
1) Traffic light status indicator
2) Measurement area
3) Target object (molten stream)
2
3
1
The amount of thermal radiation emitted from an object de-
pends on the specific radiation properties of the material and its
surface. Non-contact temperature measurement requires that
you determine the material constant (emissivity) of the target
object prior to first-time use (see Chapter 9).

Operating Manual PT 18x
10
7 Setting parameters at the pyrometer (basic configura-
tion)
Use the buttons ▲▼ and the „MODE" button on the rear panel to access
and configure parameters. With these buttons you can view and adjust
all settings required for operating the pyrometer.
Hierarchy of manual configuration:
1. Press the MODE button while in normal operating mode to switch
to "configuration layer" mode.
2. Use ▲▼ to select the configuration layer for the parameter you
wish to set.
3. Press MODE to confirm. Press ▲▼ to select the particular param-
eter.
4. Press MODE to confirm. Press ▲▼ to adjust the parameter value.
5. Press MODE again to end. Press ▲▼ to select END.
Whenever a control key has not been pressed within 30 seconds, the py-
rometer will automatically return to normal operating mode.

Normal
operating mode
(temperature
measurement)
Select
config. layer
C000-
C999
Select
parameter
EPS
Adjust
parameter
99.9
MOD
E
MOD
E
MOD
E
▲▼
▲▼
▲▼
Key lock may have been activated at the terminal. When select-
ing the configuration layer you will be prompted to enter an ac-
cess code with P000 . To obtain full access to parameter set-
tings, enter P100 otherwise you will only be able to view pa-
rameters but not change them.

Operating Manual PT 18x
11
8 Menu
8.1 Configuration layer C001

Operating Manual PT 18x
12

8.2 Configuration layer C011
8.3 Configuration layer C020
9 How to determine and set material constants
In pyrometry, the specific radiation characteristics of the measured object
will influence the generated temperature data. In order to produce accu-
rate and reliable temperature readings, the pyrometer must be config-
ured according to the specific material constant (emissivity) for the par-
ticular molten metal and point of measurement.
In the default configuration, certain parameter settings will be
hidden. If required, you can have them shown.

Operating Manual PT 18x
13
Based on our experience, we recommend the following emissivity ratio
settings:
Grey cast iron: 101 (default)
Spheroidal graphite iron: 103 -104

During normal operating mode, the emissivity ratio can be set at the py-
rometer using the ▲▼ buttons. When simultaneously pressing the
MODE key, the display shows the current measuring temperature while
the emissivity ratio coefficient continues to be adjusted in the back-
ground. This is an easy way to determine the emissivity ratio when the
object temperature is known. The modified values are directly adopted.
The chart below shows an approximation of the impact of the emissivity
ratio setting on the change in temperature reading. A decrease in emis-
sivity ratio produces a higher temperature reading.
Once you have configured the emissivity parameter, the
pyrometer will maintain this specific setting. The pyrome-
ter will always operate with this value unless you change
the setting.
To determine the emissivity ratio of the material surface, you
must conduct a comparison measurement using a thermocou-
ple probe. To obtain comparable temperature data, you should
carry out the probe measurement and the pyrometer measure-
ment at the same time and at the same point (as far as possi-
ble).

Operating Manual PT 18x
14
10 Initialising material constants
The CellaCast PT pyrometer lets you store up to 10 material constants.
Before you perform a new measurement, simply use the ▲▼ control
keys to select your preconfigured material constant for that specific ap-
plication. When you select a stored material constant, the display will
briefly show the preconfigured value for that constant (e.g. 103%).
10.1 Define number of material constants in array
Before you configure the pyrometer with material constants, you must
define the size/length of the array. This is the number of material con-
stants you would like the array to contain (10 maximum). Using parame-
ter E.TB.Q , enter the total number.
Temperature measurement two-colour/ratio mode (Configuration
layer: C001)
Parameter
Function
Explanation
E.TB.Q
Enter desired number
of elements in array
If E.TB.Q = 0, then use ▲▼
keys to manually set emissivity
ratio.
10.1.1 Store material constants
Next, assign a value to each material constant in the index (E. 01,E.
02 etc.).
-50
-40
-30
-20
-10
0
10
20
99 100 101 102 103 104 105 106
Ttarget -Tactual
emissivity ratio
Ratio correction

Operating Manual PT 18x
15
Temperature measurement two-colour/ratio mode (Configuration
layer: C001)
Parameter
Function
Explanation
E. 01
Enter a material con-
stant
e.g. 103 % (spheroidal graphite iron)
E. 02
Enter a material
constant
e.g. 101 % (grey cast iron)
E. 03
Enter a material
constant
10.2 Select the material constant
The CellaCast PT pyromter offers two ways to access the material con-
stants you have stored: either directly using ▲▼ or at the parameter set-
ting below:
Temperature measurement two-colour/ratio mode (Configuration
layer: C001)
Parameter
Function
Explanation
E.IDX
Enter a material con-
stant
Choose a constant from the array, e.g. E.
02
11 Further configuration
11.1 Automatic Temperature Detection (ATD)
This function serves to automatically detect the temperature during man-
ufacturing processes with discontinuous or intermittent material flow, for
example molten metal casting at foundries. These limits or thresholds
define the temperature range within which you wish to detect the tem-
perature. It is also possible to determine the average temperature value
over the course of multiple measuring cycles.

Operating Manual PT 18x
16
11.1.1 Threshold limits
The start of a measuring cycle is determined automatically and is de-
pendent on the following variables:
Parameter
Function
Limit 1
(LI. 1)
Before beginning the measurement, the tem-
perature reading must have been lower than
Limit 1 at least once.
If Auto reset is activated (A.RST=ON), Lim-
it 1 will be ignored
Limit 2 (LI. 2)
Limit 2 must be exceeded at least for the dura-
tion of the time delay (T.DEL).
Time Delay (T.DEL):
See Limit 2
When the conditions are fulfilled, the sampling time can begin (T.ACT).