Kobold AFB Bedienungsanleitung
Operating Instructions
for
Transmitter for Humidity and
Temperature Measurement
Model: AFB
AFB
page 2 AFB K01/0923
We don’t accept warranty and liability claims neither upon this publication nor in
case of improper treatment of the described products.
The document may contain technical inaccuracies and typographical errors. The
content will be revised on a regular basis. These changes will be implemented in
later versions. The described products can be improved and changed at any time
without prior notice.
© Copyright
All rights reserved.
1. Contents
1.Contents ........................................................................................................ 2
2.Note .............................................................................................................. 3
3.Instrument Inspection .................................................................................... 3
4.Regulation Use ............................................................................................. 4
5.Mounting instructions .................................................................................... 4
6.Electrical connection ..................................................................................... 5
7.In situ alignment ............................................................................................ 5
7.1Instruction for transmitters without USB interface ................................ 5
7.2Option: transmitter with USB interface ................................................. 7
8.Physical measuring and output scaling ......................................................... 8
9.Maintenance ............................................................................................... 10
10.Technical Information .................................................................................. 10
11.Order Codes ............................................................................................... 10
12.Dimensions ................................................................................................. 10
13.Disposal ...................................................................................................... 11
14.EU Declaration of Conformance ................................................................. 12
Manufactured and sold by:
Kobold Messring GmbH
Nordring 22-24
D-65719 Hofheim
Tel.: +49(0)6192-2990
Fax: +49(0)6192-23398
E-Mail: [email protected]
Internet: www.kobold.com
AFB
AFB K01/0923 page 3
2. Note
Please read these operating instructions before unpacking and putting the unit into
operation. Follow the instructions precisely as described herein.
The instruction manuals on our website www.kobold.com are always for currently
manufactured version of our products. Due to technical changes, the instruction
manuals available online may not always correspond to the product version you
have purchased. If you need an instruction manual that corresponds to the
purchased product version, you can request it from us free of charge by email
([email protected]) in PDF format, specifying the relevant invoice number and
serial number. If you wish, the operating instructions can also be sent to you by
post in paper form against an applicable postage fee.
Operating instructions, data sheet, approvals and further information via the QR
code on the device or via www.kobold.com
The devices are only to be used, maintained and serviced by persons familiar with
these operating instructions and in accordance with local regulations applying to
Health & Safety and prevention of accidents.
When used in machines, the measuring unit should be used only when the
machines fulfil the EC machinery directive.
3. Instrument Inspection
Instruments are inspected before shipping and sent out in perfect condition.
Should damage to a device be visible, we recommend a thorough inspection of the
delivery packaging. In case of damage, please inform your parcel service /
forwarding agent immediately, since they are responsible for damages during
transit.
Scope of delivery:
The standard delivery includes:
Transmitter for Humidity and Temperature Measurement model: AFB
AFB
page 4 AFB K01/0923
4. Regulation Use
Any use of the device, which exceeds the manufacturer’s specification, may
invalidate its warranty. Therefore, any resulting damage is not the responsibility of
the manufacturer. The user assumes all risk for such usage.
5. Mounting instructions
Position
The installation site of the remote probe should be chosen such that a
representative measurement of air humidity can be guaranteed. Avoid areas in the
vicinity of radiators, doors and exterior walls, as well as direct sunlight.
Do not position the sensor where ingress of water could occur.
IP65 protection is
- only ensured with PTFE sintered filter AFZ-GE05 with O-Ring
- only ensured when the probe is plugged, see „Probe pluggable“ on page 4.
To close the housing securely turn screw until dead stop.
We recommend that you lay the connection lines in a loop so that any water that
may be present can run off.
Operating temperature
Please note the maximum permissible ambient temperature for probe and housing
when installing the sensor. When firmly connected the standard cable must not be
exposed to an increased ambient temperature > +80°C.
AFB
AFB K01/0923 page 5
6. Electrical connection
The electrical connection must be carried out by qualified personnel only.
The sensor contains sensitive electrical components. When opening the housing,
make sure you comply with the electrostatic discharge precautions (ESD).
Please pay attention to the ohmic resistance according to the operating voltage
when using sensors with a current output.
Lines to and from the sensor must not be installed parallel to strong
electromagnetical fields.
If there is any chance of an electrical surge, please install surge protection devices.
Connection diagrams
ESD protection advice
The sensors of the D Series contain components, which can be damaged by
the effects of electrical fields or by charge equalisation when touched.
The following protective measures must be taken when the housing of the
sensor is to be opened for connection or in situ alignment:
Before opening the housing of the sensor, ensure electrical potential
equalisation between you and your environment.
Pay particular attention to ensure that this potential equalisation is
maintained while you are working with the opened housing.
7. In situ alignment
7.1 Instruction for transmitters without USB interface
During the in situ alignment the sensor does not necessarily have to be taken out
of the control circuit.
We offer humidity standards for alignment of the sensors. Before calibrating the
sensor, standards should remain at least 2 hours on the sensors.
AFB
page 6 AFB K01/0923
The temperature must remain constant during this time. During calibration
temperature and humidity must remain constant.
During calibration, especially during storage of data, uninterrupted power supply of
the sensor must be provided.
During calibration the following measurement ranges are shown on the display/ are
used for calibration:
Channel 1: all sensors always: relative humidity,
measuring range 0...100 %
RH
Channel 2: sensors, with relative
humidity RH output and
temperature °C output
the programmed temperature
range, unaltered
sensors, with other hx-
values outputs
the standard temperature
measurin
g
ran
g
e of -40...85°C
Command Operation Transmitter / LED
default
attention:
all user
adjustments will
be reset.
possible only when
adjustment mode is
off. (LED must not
be lit.)
press buttons UP
and DOWN
simultaneously for
at least 8 sec.
until LED lights up for
1 sec.
calibration
mode
Selection the
adjustment mode
press button
DOWN for at least
3 sec.
until LED blinks 1 time
per second
selection of type
of calibration
humidity
1-point-adjustment
(
offset
)
no further
command
necessar
y
LED blinks
1 time per second.
humidity
2-point-adjustment
lower point at 12
%RH and 20...30°C
humdity standard
ZE31/1-12
press button
DOWN 1 time
shortly
LED blinks twice per
second.
humidity
2-point-adjustment
upper point at 75 %
RH 20...30°C
humdity standard
ZE31/1-75
press button
DOWN twice
shortly
LED blinks
3 times per second.
temperature
1-point-adjustment
press button
DOWN 3 times
shortl
y
LED blinkt 4 x pro Sek.
Confirmation of
selection
press button
DOWN for at least
3 sec.
until LED lights up
permanently
AFB
AFB K01/0923 page 7
adjustment buttons UP /
DOWN:
(press shortly)
+/- 0.1 %RH
respectively+/-
0.1°C per
ke
y
stroke
saving press button
DOWN for at least
3 sec.
until LED is off
program
termination (at
an
y
time
)
press button UP
for at least 3 sec.
press button UP for at
least 3 sec.
7.2 Option: transmitter with USB interface
General information:
The following settings can be made using the „KOBOLD USB Configuration
Software“ and a standard micro USB cable. The transmitter is powered via USB.
Except for adjustments, the transmitter requires no power via a power supply unit.
Change of physically measured values
Change of analogue output scaling / measuring range
Change of temperature variables to °C or °F
Air pressure input
Single point adjustment of temperature and relative humidity
Download
Software www.kobold.com/qr/AFB
System requirements:
Operating system: Win 10 / Win 8 / Win 7 / Win Vista / Win XP
USB-Port: USB 2.0
Connecting Cable
(not part of the standard delivery)
Standard USB micro cable - USB „A“ plug to USB „micro B“
AFB
page 8 AFB K01/0923
Registration in Windows:
The transmitter is automatically registered in Windows via the USB cable after
connecting to the PC. No drivers are required. Only one transmitter can be
configured and adjusted at a time.
Attention:
If the transmitter has current outputs (4-20mA) and an USB interface ensure
galvanic isolation between PC and power supply on the connection terminals
of the sensor.
We recommend the use of an USB isolator. We successfully tested:
https://de.muc89.com/isar520 for that purpose. With this USB isolator please
leave the jumpers in the delivery state for the USB full speed mode we use.
8. Physical measuring and output scaling
Change of physical measuring values and analogue output scaling:
Based on the measured sizes of relative humidity and temperature you can
select the below listed derived physical values.
All temperature values can be displayed in °F or °C.
The scaling of the physical values can be freely selected within the limits
below.
The sensor is powered via USB for configuration - no power supply unit is
required.
Ph
y
sical values: Scalin
g
ran
g
es
Relative humidit
y
[% RH] 0 %RH .... 100 %RH
Dew point temperature [°C] / [°F] -20 °C .... 70 °C
Mixing ratio [g/kg] -4 °F .... 158 °F
0
g
/k
g
.... 100
g
/k
g
Enthalp
y
[kJ/k
g
] 0 kJ/k
g
.... 80 kJ/k
g
A
bsolute humidit
y
[
g
/m3] 0
g
/m3 .... 100
g
/m3
Wet bulb temperature [°C] / [°F] -10 °C .... 50 °C
14 °F .... 122 °F
Temperature [°C] / [°F] -100 °C .... 200 °C
-148 °F .... 392 °F
AFB
AFB K01/0923 page 9
Air pressure and altitude:
For the following physical values, the air pressure is relevant to obtain a correct
reading:
Mixin g ratio [g/kg]
Enthalpy [kJ/kg]
Wet bulb temperature [°C/°F]
If these sizes are selected, an input field appears automatically. You can either
enter the mean air pressure or the altitude in meters above sea level.
Adjustment:
The transmitter can be matched to the measuring task by means of adjustment.
To do this, supply the transmitter with power via the connection terminal and
connect to the PC. This can also be done in situ using a portable computer.
There are two types of adjustment:
1. Offset adjustment: An offset in temperature and / or relative
humidity can be entered. Actual values are
adjusted by this offset.
2. Adjustment with reference: By entering reference measuring values,
sensor readings are adjusted to the reference.
Attention: see warning concerning galvanic isolation chapter 7.2
Information:
The measuring accuracies specified in the technical data refer exclusively to
factory adjustments. The adjustment values in T & RH influence all physical values.
AFB
page 10 AFB K01/0923
9. Maintenance
Cleaning of filters and protective baskets
If necessary, soiled filters and protective baskets can carefully be unscrewed and
rinsed. Bear in mind the sensors will not measure accurately again until filters are
completely dry.
Damaging influences
Depending on type and concentration, agents that are corrosive and contain
solvents, can result in faulty measurements and can cause the sensor to break
down. Substances deposited on the sensor (e. g. resin aerosols, lacuer aerosols,
smoke deposits etc.) are damaging as they eventually form a water-repellent film.
Exchanging the measuring probe
After the exchange of the measuring probe reset the adjustment or adjust again.
The in situ alignment refers to the transmitter in conjunction with the remote probe.
10. Technical Information
Operating instructions, data sheet, approvals and further information via the QR
code on the device or via www.kobold.com
11. Order Codes
Operating instructions, data sheet, approvals and further information via the QR
code on the device or via www.kobold.com
12. Dimensions
Operating instructions, data sheet, approvals and further information via the QR
code on the device or via www.kobold.com
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