Dinel ULM -70 Series User manual

INSTRUCTION MANUAL
Read carefully the instructions published in this manual before the first use of the level meters. Keep the manual
at a safe place. The manufacturer reserves the right to implement changes without prior notice.
ULTRASONIC LEVEL METERS ULM–70

CONTENTS
Safety ...............................................................................................................................................3
Measuring principle..........................................................................................................................3
Range of application ........................................................................................................................3
Features of variants .........................................................................................................................3
Dimensional drawings ....................................................................................................................4
Installation instructions ....................................................................................................................5
Electrical connection ......................................................................................................................8
Set-up elements...............................................................................................................................9
Status signalization..........................................................................................................................9
Operation .......................................................................................................................................10
Basic settings.................................................................................................................................10
Advanced settings..........................................................................................................................13
Additional functions........................................................................................................................15
HART communication protocol......................................................................................................18
Order code .....................................................................................................................................18
Accessories....................................................................................................................................18
Safety, protection, compatibility and explosion proof....................................................................19
Use, manipulation and maintenance .............................................................................................19
Marking of labels............................................................................................................................20
Menu structure ...............................................................................................................................22
Technical specifications.................................................................................................................23
Area classification..........................................................................................................................24
Factory default ...............................................................................................................................24
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SAFETY
All operations described in this instruction manual have to be carried out only by trained personnel
or an accredited person. Warranty and post warranty service must be exclusively carried out by
the manufacturer.
Improper use, installation or set-up of the level meter can result in crashes in the application (over-
filling of the tank or damage of system components).
The manufacturer is not responsible for improper use, losses of work caused by either direct or
indirect damage, and for expenses incurred during installation or use of the level meter.
MEASURING PRINCIPLE
The ULM® ultrasonic level meters are compact measurement devices including an electroacoustic
converter and an electronic module. Using the electroacoustic converter, the level meters transmit
the sequence of ultrasonic pulses that spread towards the surface level. The converter recuper-
ates reflected acoustic waves that are subsequently processed in the electronic module. The
intelligent evaluation block filters out interfering signals, compares the cleaned received signal
with the false reflection map (e.g. from mixers, ladders, reinforcement etc.) and selects a suitable
reflection (echo). Based on the period during which the individual pulses spread towards the
surface level and back and based on the measured temperature in the tank, the instant distance
to the surface level is calculated. According to the level height, the level meter output is set and
the measured value is displayed on the display.
RANGE OF APPLICATIONS
For continuous non-contact level measurement of liquids (water solutions, sewerage water, etc.),
mash and paste materials (sediments, sticks, resins etc.) in closed or open vessels, sumps,
reservoirs and open channels. In case the level of bulk-solid materials is measured, the meas-
urement range is reduced.
The level meters can continuously measure levels of bulk-solid materials with a low concentration
of dust particles. Consult the manufacturer on recommended use of the level meter for bulk-solid
materials.
ULM–70_–02–I Measuring range from 0.15m to 2m, plastic PVDF transmitter, mechanical
connection with thread G 1".
ULM–70_–06–I Measuring range from 0.25m to 6m, plastic PVDF transmitter, mechanical
connection with thread G 1 ½".
ULM–70_–10–I Measuring range from 0.4m to 10m, plastic PVDF transmitter, mechanical
connection with HDPE polyethylene flange (version "N") or aluminium alloy
flange (version "Xi").
ULM–70_–20–I Measuring range from 0.5m to 20m, plastic PVDF transmitter, mechanical
connection with aluminium alloy flange.
FEATURES OF VARI ANTS
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DIMENSIONAL DRAWINGS
ULM–70_–02–I ULM–70_–06–I
ULM–70N–10–I
ULM–70_–20–I
ULM–70Xi–10–I
Al alloy
Al alloy
HDPE
Pg11 cable gland
Ground terminal
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Fig. 2: Level meter dead zone
m – Dead zone
INSTALLATION INSTRUCTIONS
Install the level meter in the• vertical position into the upper lid of the tank or reservoir using
a welding flange, a fastening nut or a flange so that the level meter axis can be perpendicular to
the surface level of the measured liquid (Fig. 1).
The min.• dimensional parameters to install the
level meter into a lid or a ceiling of a tank are given
in Fig. 3.
When installing in an• open channel (reservoir, drain
etc.), install the level meter onto a bracket as close as
possible to the expected max. level.
In connection with the measurement principle, no•
signals reflected in the area immediately under the
level meter can be evaluated (dead zone). The dead
zone (Fig. 2) determines the min. distance possible
between the level meter and the highest surface lev-
el. The min. distances to the medium are given in the
chapter "Technical specifications" (p. 24).
It is necessary to install the level meter so that the•
bin level cannot interfere with the dead zone when
filled up to the maximum. If the measured level in-
terferes with the dead zone, the level meter will not
work properly.
Fig. 1: Recommended installation
in the tank
Fig. 4: Possible installation of the installation neck
a – Neck height
b – Neck width
m – Dead zone
ULM–70–02;06 a <3 b
b>100 mm
ULM–70–10 a<1,5 b
b>100 mm
ULM–70–20 a<1,5 b
b>150 mm
Fig. 3: Installation distance from the tank wall
ULM–70–02;10 d >1/12 c
(min. 200 mm)
ULM–70–06 d>1/8 c
(min. 200 mm)
ULM–70–20 d>1/10 c
(min. 200 mm)
d – Distance from
the tank wall
c – Measurement
range of the level
meter
If the maximum surface level in the tank interferes with the dead zone, the level meter has•
to be mounted into a higher installation neck. In this way, the tank can be filled nearly up to
the maximum volume. The inner neck surface has to be even and smooth (without edges and
welded joints); the inner edge should be rounded where the ultrasonic wave leaves the pipe.
The neck diameter should be as large as possible but the neck height should be as low as
possible. Recommended dimensions of the input neck are given in Fig. 4.
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During filling, mixing and other processes,• foam
can arise on the surface level of the measured
liquid. The thick foam considerably absorbs the
ultrasonic signal which might cause malfunction
of the level meter (Fig. 5). For such cases, it is
necessary to set up "SENSITIVITY" mode (p. 14)
to "high" or contact the manufacturer if need.
If the emitted acoustic signal of the level meter•
is affected by near objects (roughness on walls
of the tank, various partitions, mixers etc.), it is
necessary to map false reflections by activating
the mode "TEACHING" (see p. 14). In case of in-
stalled mixers, it is necessary to put the mixers
to position under the level meter (direct the mixer
blade to the ultrasonic signal beam).
Fig. 6: False echo from obstacles in
the tank
Fig. 8: Level meter installation outside the influence of filling
Fig. 5: Thick foam on the surface
Do not install the level meter in or above the• filling point (Fig. 8).
In case the level of bulk-solid materials is measured, the measurement range is reduced. We•
recommend to consult the use with the manufacturer.
Fig. 7: False echo from the mixer blade
!
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Fig. 13: Intensely stirred surface
!
Fig. 10: Prevention to avoid
intrusion of humidity
Fig. 9: Solar radiation shielding cover
The level meter must not be installed in places•
with direct solar radiation and must be protected
against weather effects.
If the installation in places with direct solar ra-•
diation is inevitable, it is necessary to mount
a shielding cover above the level meter.
It is suitable to run the cable under a cable bush-•
ing (obliquely down in slack) according to Fig. 10
to prevent penetration of humidity. Then the
rain and condensing water can flow off freely.
The cable bushing and connector have to be• suf-
ficiently tightened to prevent penetration of hu-
midity.
To lower the minimum distance to the measured•
medium, a reflection board made from solid,
even and smooth material can be installed to the
level meter. Then the tank can be filled nearly up
to the maximum height. The solution is suitable
for open tanks and reservoirs.
Scattering or attenuation of the ultrasonic signal•
can result if the surface level has been moder-
ately stirred or rippled (by a mixer, coming liq-
uid etc.). It can result in reduction of the meas-
urement range or unreliable function of the level
meter (Fig. 12).
Rotating mixer blades can cause• that the sur-
face is stirred, which results in false reflections of
the ultrasonic signal from the surface level and
unreliable operation of the level meter (Fig. 13).
Fig. 12: Moderately stirred surface
Fig. 11: Reflection board
H + L = Dead zone
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ELECTRICAL CONNECTION
The ultrasonic level meter is designed to be connected to supply unit or to controller through a cable
with the outer diameter of 6 ÷ 8mm (recommended cross-section of cores 0.5 ÷ 0.75 mm2) by means
of bolted clips placed under display module. Connect the plus pole (+U) to the terminal (+), the minus
pole to 0V to the terminal (-) and the shielding to
the terminal ( ) (only for shielded cables).
Procedure to connect the cable to the level
meter:
Unscrew the nut of the upper transparent lid.1.
Take the upper edge of the display module and2.
take it out carefully by mild swinging up.
If you cannot grasp the module, you can use3.
a small screwdriver. Insert it as far as the
seam and use from several sides to slightly
lift the module.
Release the cable bushing and thread the4.
stripped supply cable in.
Connectthecableintothe bolted clips according5.
to the diagram in Fig. 14.
Assemble the level meter and connect the6.
cable to the sequential unit.
Fig. 14: Connection diagram of the
level meter
Fig. 15: Internal view of terminal
block
Make the electric connection in voltage-free state!
The power supply can be a stabilized voltage supply unit of 18 ÷ 36V DC (version Xi - 30V DC) that
is included in evaluation or display unit.
Considering possible occurrence of electrostatic charge on non-conducting parts of the level me-
ter, it is necessary to ground all level meters intended for environments with risk of explosion
(ULM–70Xi–_ _–I). It will be done using a screw placed on the head of the level meter under the
cable bushing.
Display unit
connector
Termi nal
block
Metal clip

utton Symbol in the manual [OK]
– Set-up mode access
– Confirmation of selected item in the menu
– Move the cursor in the line
– Saving of set-up data
Button Symbol in the manual [ ↑↓]
– Move in the menu
– Change of values
Button Symbol in the manual [ESC]
– Cancelling of carried out changes
– Shift one level up
Teaching
mode activation Echo receiving Units
Display
of measured values
Set-up elements
Ultrasonic transmitter
Upper lid nut
Cable gland
Control buttons
OLED display Label
Fig. 16: Full view of ultrasonic level meter
STATUS SIGNALIZATION
display function
"NO ECHO" Lighting intermittently – the level meter is not able to receive echo
for a long time. Incorrect installation of the level meter
"DEAD ZONE" Lighting intermittently –the measured level is in the "dead zone" of
the level meter or the ultrasonic converter is dirty.
"NO PASSWORD"
It will appear in the item "MENU" –the level meter is protected
using a password against unauthorised setting. Enter the correct
password (see p. 17).
symbol "T" 1) Lighting permanently –"TEACHING" mode activation.
symbol "E" 1) Lighting intermittently –correct echo receiving (of the reflected
signal) from the measured surface level.
1) symbol appears in the lower left corner of the display
SET-UP ELEMENTS
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"AUTO MIN" (Automatic setting of the 4mA limit)
After the mode is enabled, the actual measured level will be set as the min. level. The 4mA value
will be assigned to the level meter output. The setting is recommended only if the tank can be
flooded up to the required min. height.
BASIC SETTINGS
Before the first starting, you must carry out the basic configuration
of the level meter. The settings are accessible in the basic menu
under the item "BASIC ADJUSTMENT".
ACTUAL LEVEL: Actual distance in mm
DISP: Display of measured values on the display
U: Unit selection (mm, cm, m, l, m3,mA, %)
ACTUAL LEVEL: Actual distance in mm
DISP: Display of measured values on the display
U: Unit selection (mm, cm, m, l, m3,mA, %)
OPERATION
Set the level meter using 3 buttons placed on the display module (see Chapter Set-up elements).
After 5 min. of inactivity, the level meter automatically returns back to the measurement mode.
If the password is active, the level meter will be also locked. The values that have not been
confirmed using the button [OK]will not be saved! After the meter is locked, you cannot change
the setting! When you attempt to edit, the words "NO PASSWORD" will appear on the display.
How to unlock the level meter is given on page 17.
1. Fill up the tank up to the required level.
2. Press the button [OK]to access the basic menu. Use the same button to select the item "BASIC
ADJUSTMENT" and then "AUTO MIN".
3. Now the item "AUTO MIN" is displayed. The level meter assigns the 4mA value for the measured
value automatically.
4. Using the buttons [OK]and [
↑↓ ], set the values to display on the display "DISP" and select the
units "U".
5. After the setting is completed, save the data using the button [OK]. By repeated pressing the
button [ESC], you leave the menu and the display of the level meter and return back to the
measurement mode.
"AUTO MAX" (Automatic setting of 20 mA limit)
After the mode is enabled, the actual measured level will be set as the max. level. The 20mA value
will be assigned to the level meter output. The setting is recommended only if the tank can be
flooded up to the required max. height.
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1. Press the button [OK]to access the basic menu. Use the same button to select the item "BASIC
ADJUSTEMENT". Then use the button [
↑↓ ]and [OK]to select the item "MANUAL MIN" or
"MANUAL MAX".
2. Now the item "MANUAL MIN" or "MANUAL MAX" is displayed (as selected). Using the buttons
[OK]and [
↑↓ ], set the output current "OUTPUT" and distance for the defined current "LEVEL",
display of the value on the display "DISP" and unit selection "U".
3. After the setting is completed, save the data using the button [OK]. By repeated pressing the
button [ESC], you leave the menu and the display of the level meter and return back to the
measurement mode.
1. Fill up the tank up to the required level.
2. Press the button [OK]to access the basic menu. Use the same button to select the item "BASIC
ADJUSTMENT" and then use [
↑↓ ]and [OK]to select the item “AUTO MAX”.
3. Now the item "AUTO MAX" is displayed. The level meter assigns the 20mA value for the measured
value automatically.
4. Using the buttons [OK]and [
↑↓ ], set the values to display on the display "DISP" and select the
units "U".
5. After the setting is completed, save the data using the button [OK]. By repeated pressing the
button [ESC], you leave the menu and the display of the level meter and return back to the
measurement mode.
"MANUAL MIN and MANUAL MAX" (Manual setting of limits)
In these items, you can define min. or max. level, to which you can assign an optional output current in
the range of 4
÷ 20mA. This is recommended to carry out if the final value of the min. and max. level is
known but it is not possible to flood the tank up to these limits.
For convenience, it is suitable to assign 4mA cur-
rent to the min. value and 20mA current to the
max. value.
OUTPUT: Setting of output current (4 ÷ 20mA)
LEVEL: Setting of distance of the level from the
front of the level meter in mm
DISP: Display of measured values on the display
U: Unit selection (mm, cm, m, l, m3,mA, %)
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"DAMPING" (Speed of the measurement response)
Setting of the speed of the measurement response. The function can be used to suppress devia-
tions of the displayed values in case of quick or step changes of the level (e.g. stirred surface).
The response time of the subsequent measurement will be longer and the level meter will react to
quick changes with a defined delay.
The damping time can be set in the interval from
0 to 99 sec.
1. Press the button [OK]to access the basic menu. Use the same button to select the item "BASIC
ADJUSTEMENT". Then use the button [
↑↓ ]and [OK]to select the item "DAMPING".
2. Now the item "DAMPING" is displayed. Using the buttons [OK]and [
↑↓ ], set the damping time
(0-99 sec.).
3. After the setting is completed, save the data using the button [OK]. By repeated pressing the
button [ESC], you leave the menu and the display of the level meter and return back to the
measurement mode.
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ADVANCED SETTINGS
In the supplemented configuration, you can set parameters of
sensitivity, mapping of false reflections, temperature difference
compensation, behaviour in case of fault conditions or HART
communication. Here, you can set the sensor into the initial state
or reset it as well.
The settings are accessible in the basic menu under the item "SERVICE".
"SENSITIVITY" (Level meter sensitivity)
The setting is defined in three steps of the level meter sensitivity.
"low" – Low sensitivity in case of surrounding interferences affecting the measurement.
"medium" – Medium sensitivity (suitable for most applications).
"high" –
High sensitivity for measured mediums partly absorbing the ultrasonic signal (bulk-solid mat., foams)
You can set the sensitivity in three degrees:
"low", "medium" and "high".
If there are no above obstacles in the tank, it is
not necessary to start this mode
"TEACHING" (Mapping of false reflections)
The mode serves for suppressing false reflections resulting from reflection of the ultrasonic
signal from roughnesses on walls of the tank, various partitions, mixers or other obstacles. The
sensor starting this mode detects false reflections and save them in the memory. Then these false
reflections will not affect the subsequent measurement (they are masked).
Before starting the mode, empty the tank under the level of the last obstacle in the tank.
1. Press the button
[OK]to access the basic menu. Press the button [ ↑↓] to select the item
"SERVICE" and press the button [OK]to confirm. In the next menu use the buttons [ ↑↓]
and [OK] to select the item "TEACHING".
2. Now the item "TEACHING" is displayed. Press the button
[OK]to set the value "LEVEL DISTANCE"
– the expected distance of the sensor front from the medium surface level. If you do not know the
level distance exactly, set a smaller value (in the tolerance field according to Fig. 17.).
3. After the value of "LEVEL DISTANCE" is set, use the button [OK]to start the mode "TEACHING"
(mapping of false reflections). During the mapping process, the word "RUNNING" is displayed
on the display.
4. The mapping of false reflections is completed after the word "DONE" is displayed. Then you can
leave the menu by pressing the button [ESC].
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Mapping of false reflections lasts 5...30 sec.
according to the level meter type.
"MEDIUM TEMPERATURE" (Temperature compensation)
If the temperature of the measured substance (liquid) in the tank is different from the temperature where
the level meter is installed (see the mode "DIAGNOSTICS", p. 17), it is necessary to compensate the
temperature because of accuracy of the measurement. After the medium temperature is set, the level
meter calculates an average value (from the medium temperature and the temperature where the level
meter is installed) and uses this average temperature for calculation of the level position.
Inactive compensation (initial state), the word
"NO" appears on the display.
In case of installed mixers, it is necessary
to position the mixers under the level me-
ter (direct the mixer blade to the ultrasonic
signal beam).
Note: If there are significant obstacles in
the upper half of the tank, multiple false
reflections can occur especially in closed
tanks. In such cases it is necessary to
reduce the level in the tank as much se
possible to correctly mask these possible
multiple false reflections. Fig. 17: The "Level distance" zone
1/2 tank
obstacles
Tolerance zone for "LEVEL
DISTANCE" value
NO ECHO: Current in case of echo loss (3.75mA)
DEAD ZONE: Dead zone current (22mA)
The values can be set in three steps - 3.75mA,
22mA and LAST (last measured data).
"FAILURE MODE" (Fault conditions)
It defines the output current of the level meter when the measured medium level is in the dead
zone ("DEAD ZONE") or outside the measurement range in case of echo loss ("NO ECHO").
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After you press the button [OK], "RUNNING"
will be displayed for about 3 sec. After the initial
values are set, "DONE" will be appear on the
display.
"FACTORY DEFAULT" (Default factory setting)
To reset the initial values of the level meter set by the manufacturer, press the button [OK] (see
the Factory default table, p. 25)
"RESET" (Level meter restart)
Complete restart of the level meter. The same effect has also a short-time interruption of the supply
voltage. To enable the resetting, press the button
[OK].
During the restart process, "RUNNING" will be
displayed. Then the level meter will be automati-
cally turned off and on.
"HART" (HART address setting)
HART mode (point to point, multidrop) and multidrop mode address setting. Up to 15 units can be
connected to one two-wired cable in the multidrop mode.
In case of the address "00", the point to point
mode is enabled. The range from "01" to "15" is
reserved for addresses in the multidrop mode.
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ADDITIONAL FUNCTIONS
Additional functions include modes to display temperature in the tank or to find out the actual
flowing current in the loop. Besides, to lock modifications using a password and information about
the level meter version. All of the functions are accessible from the main menu.
"DIAGNOSTICS" (Diagnostic information)
It contains information about the actual temperature inside the tank
(or about the compensated temperature) "TEMPERATURE" and
current flowing through the loop "CURRENT". If the temperature
compensation ("MEDIUM TEMPERATURE") is activated, the
corrected temperature is displayed.
The temperature is measured inside the tank where
the levelmeter is installed.
If the temperature of the measured medium is differ-
ent, we recommend you to carry out the tempera-
ture compensation "MEDIUM TEMPERATURE"
because of accuracy (see p. 15). Then the displayed
temperature is an average value from the tempera-
ture set in the "MEDIUM TEMPERATURE" and the
actualtemperature measured bythesensor.
"PASSWORD " (Lock the level meter)
You can set any digital combination to lock the level meter and prevent an unauthorised person
from setting.
1. Use the buttons [OK]and [ ↑↓] in the menu "PASSWORD" to select the mode "ENTER" for
entering the password or the mode "CHANGE" for changing the password (when activated,
the words are displayed inversely). Press the button [OK]once again to confirm the selection.
You can change the password only when the level meter is unlocked. Otherwise, the words
"NO PASSWORD" will be displayed.
2 . Now you can edit the password. The actual edited item is displayed inversely. Press the button
[OK]to move to the next position (clockwise direction); the button [ ↑↓] serves to change the
values (0 ... 9).
3 . After the operation is completed, confirm the edited data by pressing the button [OK].
Display of status information to confirm data:
"YES" – correctly edited password
"NO" – incorrectly edited password
"OK"–the passw.saved (only in caseof"CHANGE")
The password is automatically hidden after it is
edited or changed ("00000" will appear).
To deactivate the password, edit the numerical
combination "00000" in the mode "CHANGE".
If the password is lost, contact the manufacturer.
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"INFO" – (Type data)
Information about the type, serial number and production date of the level meter.
ST: Level meter type
SN: Serial number
SW: Firmware version
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HART COMMUNICATION PROTOCOL
Universal communication interface for data communication of peripheral devices with the level
meter. Data transmission runs through the same line as the 4 ÷ 20mA current loop without impact
on analog communication.
Fig. 18: Typical PLC/mA configuration with HART
HART
modem
USB / RS232
HART
communicator
ULM–70
PC
≈250 R Voltage supply unit
ORDER CODE
ACCESSORIES
Standard – included in the price of the level meter Optional – for extra charge
• 1x Seal (only for ULM–70_–02–I, 06–I) • Stainless fixing nut UM–G1''
(for ULM–70_–02–I)
• Stainless fixing nut UM–G1½''
(for ULM–70_–06–I)
Performance:
Maximum range: 02 - 0.15 ... 2 m
06 -0.25 ... 6 m
10 -0.4 ... 10 m
20 -0.5 ... 20 m
Output type: I- Current
ULM – 70 ––
N- Normal - usable in non-explosive areas only
Xi - Ex. proof - suitable for explosive areas
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SAFETY, PROTECTION, COMPATIBILITY AND EXPLOSION PROOF
The level meter ULM–70 is equipped with protection against reverse polarity and output current
overload.
Protection against dangerous contact is secured by low safety voltage that complies with
EN 33 2000-4-41.
Electromagnetic compatibility according to EN 55022/B, EN 61326/Z1 and EN 61000-4-2 to 6.
Explosion proof of ULM–70Xi type complies with the following standards: EN 60079-0 : 2007;
EN 60079-11 : 2007 ; EN 60079-26 : 2007 and examined by FTZÚ-AO 210 Ostrava - Radvanice
certificate No.: FTZÚ 09 ATEX 0277X.
USE, MANIPULATION AND MAINTENANCE
The level meter does not require any personnel for its operation. Follow-up displaying device is
used to inform the technological entity operating personnel on the measured substance level
height during the operation.
Maintenance of this equipment consists in verification of integrity of the level meter and of the
supply cable. Depending on the character of the substance measured, we recommend to verify at
least once per year the clarity of the ultrasound transducer emitting field and to clean it, respec-
tively. In case any visible defects are discovered, the manufacturer or reseller of this equipment
must be contacted immediately.
It is forbidden to perform any modifications or interventions into the ULM–70 level meter without
manufacturer's approval. Potential repairs must be carried out by the manufacturer or by a manu-
facturer authorized service organization only.
Installation, commissioning, operation and maintenance of the ULM–70 level meter has to be car-
ried out in accordance with this instruction manual; the provisions of regulations in force regarding
the installation of electrical equipment have to be adhered to.
www.jetec.com.tw
久德電子 TE L:[phone] FAX:[phone] (40349)台中市西區福人街11號

Symbol of producer: logo Dinel• ®
Level meter type:• ULM–70N–02–I, ULM–70N–06–I
Serial number: Ser. No.: xxxxx - (from the left: production year, serial production number)•
Supply voltage: U• i
=18÷36 V =
Output current range: I•
=4÷20 mA
Ambient temperature range: t• a= -30 ... +70°C
Protection class: IP67•
Compliance mark:•
Electro-waste take-back system mark:•
Level meters label data
ULM–70N–10–I and ULM–70N–20–I:
Symbol of producer: logo Dinel• ®
Level meter type:• ULM–70N–10–I, ULM–70N–20–I
Serial number: Ser. No.: xxxxx - (from the left: production year, serial production number)•
Supply voltage: U• i
=18...36 V =
Output current range: I•
=4÷20 mA
Ambient temperature range: t• a= -30 ... +60°C
Protection class: IP67•
Compliance mark:•
Electro-waste take-back system mark:•
Level meters label data
ULM–70Xi–02–I and ULM–70Xi–06–I:
Symbol of producer: logo Dinel• ®
Level meter type:•
ULM–70Xi–02–I, ULM–70Xi–06–I
Serial number: Ser. No.: xxxxx - (from the left: production year, serial production number)•
Output current range: I•
=4÷20 mA
Limit operating parameters:• Ui
=30 V=, Ii= 132mA; Pi =0,99W; Ci=370nF; Li= 0,9 mH
Ambient temperature range for the zone• 0: ta= -20 to +60°C
Ambient temperature range• : ta= -30 ... +70°C
Label of non-explosive device• : ; Performance: II 1/2G Ex ia IIB T5
Number of certificate of intrinsically safety• : FTZÚ 09 ATEX 0277X
Protection class: IP67•
Compliance mark•
: , No. of authorized person examining control of system quality:1026
Electro-waste take-back system mark:•
MARKING OF LABELS
Level meters label data
ULM–70N–02–I and ULM–70N–06–I:
www.jetec.com.tw
久德電子 TE L:[phone] FAX:[phone] (40349)台中市西區福人街11號