NIVELCO NIVOPRESS DT 1 Series Assembly instructions

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PRINCIPLE OF LEVEL MEASURING BY HYDROSTATIC PRESSURE:
Providing constant density the level depends on the pressure head
Phydr = 10-5  g h

g
P
10h hydr
5




Possible maximum value of “h”: g
P
10h maxhydr.
5
max 


Phydr [bar] = hydrostatic pressure
 [kg/m3] = density of the medium
g [m/s2] = gravitional acceleration
h [m] = distance between middle of the diaphragm and
level of the medium
Phydr.max = highest pressure value set in the default

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CONTENTS
1 INTRODUCTION.....................................................................................................................................................................................................................5
2 ORDER CODES......................................................................................................................................................................................................................5
3 TECHNICAL DATA.................................................................................................................................................................................................................6
3.1 GENERAL DATA ...................................................................................................................................................................................................................6
3.2 DIMENSIONS .......................................................................................................................................................................................................................8
3.3 ACCESSORIES.....................................................................................................................................................................................................................8
4 INSTALLATION AND ELECTRIC CONNECTION.................................................................................................................................................................9
4.1 WIRING............................................................................................................................................................................................................................ 10
4.2 SAFETY REGULATIONS FOR THE EEX IA APPROVED UNITS..................................................................................................................................................... 10
5 PUTTING INTO OPERATION, PROGRAMMING ............................................................................................................................................................... 11
5.1 PROGRAMMING ................................................................................................................................................................................................................ 12
5.1.1 DISPLAY AND KEYS OF THE SAP 203 DISPLAY MODULE................................................................................................................................................. 13
5.1.2 STEPS OF PROGRAMMING........................................................................................................................................................................................... 14
5.1.3 PARAMETERS –DESCRIPTIONS AND PROGRAMMING...................................................................................................................................................... 15
5.2 ERROR CODES.................................................................................................................................................................................................................. 19
5.3 HART COMMUNICATION.................................................................................................................................................................................................... 19
6 MAINTENANCE AND REPAIR ........................................................................................................................................................................................... 19
7 STORAGE............................................................................................................................................................................................................................ 19
8 WARRANTY..............................................................................................................................................................HIBA! A KÖNYVJELZŐNEM LÉTEZIK.

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Thank you for choosing NIVELCO instrument
We are sure that you will be satisfied throughout its use!
1. INTRODUCTION
NIVOPRESS D-5/600 series transmitters are suitable for pressure and hydrostatic pressure (level) gauging of ordinary and hazardous gases, fumes, liquids and
masses. Devices can be used for measuring in clean technologies and also for mediums tending to obturation. Intelligent electronics and HART communication
provides application possibilities for the most different tasks.
2. ORDER CODES
NIVOPRESS D
–
1
–
TYPE CODE
PROCESS
CONNECTION CODE
ELECTRONICS
HOUSING CODE
RANGE /OVER PRESSURE
CAPABILITY CODE
OUTPUT /EXCODE
Transmitter T 1″BSP E Aluminium 5 –1….0 bar / 3 bar 0 4…20 mA 2
Transmitter + display B 1½″BSP F Plastic 6 0….0.16 bar / 0,5 bar 1 4…20 mA / HART 4
1″Triclamp L 0….0.25 bar / 1 bar 2 4…20 mA / Ex ia 6
1½″Triclamp M 0….0.4 bar / 1 bar 3 4…20 mA / HART / Ex ia 8
2″Triclamp N 0….0.6 bar / 3 bar 4
DN 25 pipe c.* O 0….1.0 bar / 3 bar 5
DN 40 pipe c.* P 0….1.6 bar / 6 bar 6
DN 50 pipe c.* R 0….2.5 bar / 6 bar 7
1″NPT S 0….4.0 bar /20 bar 8
1½″NPT T 0….6.0 bar / 20 bar 9
*pipe coupling DIN 11581 0….10 bar / 20 bar A
- For range p > 0…40 bar (0…580 psi) 1″process connection only 0….16 bar / 60 bar B
- Sealing: VITON p < 100 bar (1450 psi) 0….25 bar / 60 bar C
NBR p 100 bar (1450 psi)
0….40 bar / 100 bar D
EPDM for special request 0….60 bar / 120 bar E
- Pressure transmitting medium: 0….100 bar / 250 bar F
Silicone oil 0….160 bar / 500 bar G
Food compatible oil (for special request) 0….250 bar / 500 bar H
Not all combination possible! 0….400 bar / 600 bar J

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3. TECHNICAL DATA
3.1 GENERAL DATA
TYPE DT-1-DB-1-
Measured variables Pressure, liquid level
Sensor Piezoresistive silicon sensor, with protection front diaphragm
Ranges In accordance with data in the order codes
Overload capability In accordance with data in the order codes
Turn down 1 : 2
Zero offset 50% of the range
Output 4…20 mA or HART 4…20 mA limits of the output signal: 3.9…20.5 mA
minimum loop resistance with HART Rt min = 250 Ohm
Damping selectable 3 s; 5 s; 10 s; 20 s
Error indication by current output 3.8 mA or 22 mA
Power supply 10…36 V DC
Output load RL= (Us– 10 V) / 0.022 A, Us= supply voltage
Display 6-digit LCD, engineering units and bargraph. All variables can be displayed
Accuracy (linearity, switching diff. repeatability) relating to the higher limit value ± 0,25% p> 0.4 ; –1 < p 0 bar and ± 0,5% for 0 < p 0.4 bar

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TYPE DT-1-DB-1-
Temperature coefficient in the range of
the compensated temperature (relating
to the higher limit value)
Between 0…+70 °C (+32…+158 °F) Between 0…+50 °C (+32…+122 °F)
± 0.75 %
For the range of > 0…1.0 bar
(0…14.5 psi),
For the range of –1.0…0 bar
(–14.5 …0 psi)
± 1 % For the range of 0…0.4 bar
(0…5.8 psi)
± 1.5 % For the range of 0…0.25 bar
(0…3.6 psi)
± 1 % For the range of 0…1.0 bar
(0…14.5 psi)
For the range of 0…0.6 bar
(0…8.7 psi)
± 2 % For the range of –0.1…0 bar
(–1.45…0 psi)
Ambient temperature –40…+70 °C (–40…+158 °F) with display: –25…+70 °C (–13…+158 °F)
Medium temperature –25…+125 °C (–13…+257 °F)
Ex marking,
Ex approved power supply data
II 1 G Ex ia IIC T6 … T4 Ga
Umax 30 V Imax 100 mA Pmax 0.75 W Ci14 nF Li180
 H
Electric protection Class III
Ingress protection IP 65
Process connection According to the order code
Electric connection Shielded cable pair with diameter 6…12 mm (for the cable gland M 20 x1,5) wire cross section: 0.25…1.5 mm2
Electronics housing Paint coated aluminium (EN AC 42000) or plastic (PBT)
Wetted parts
Protection front diaphragm: 1.4435 stainless steel
Process connection: 1.4435 stainless steel
sealing: VITON p < 100 bar NBR p 100 bar EPDM for special request
Pressure transmitting medium Silicone oil (for special request food compatible oil)
Mass approximately 2 kg (4.4 lbs) with aluminium housing approximately 1.6 kg (3.52 lbs) with plastic housing

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3.2 DIMENSIONS
TRANSMITTER WITH THREAD TRANSMITTER WITH TRICLAMP TRANSMITTER WITH PIPE COUPLING (DIN11581)
TYPE DTE- DBE- DTF- DBF- DTS- DBS- DTT- DBT- TYPE DTL- DBL- DTM- DBM- DTN- DBN- TYPE DTO-, DBO- DTP-, DBP- DTR-, DBR-
A 1″BSP 1½″BSP 1″NPT 1½″NPT Triclamp 1″1½″2″Pipe coup. DN 25 DN 40 DN 50
B 193 185 197 189 A 50.5 50.5 64 A 44 56 68.5
C 19 22 26 27 B 183 183 167 B 186 170 166
D 50 65 52 70
SW 44 55 40 55
Dimensions in mm
3.3 ACCESSORIES
– Installation and Programming Manual
– Warranty Card
– Eu Declaration of Conformity
– 2 cable glands

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4. INSTALLATION AND ELECTRIC CONNECTION
Place of installation should be selected so that proper place should be available for handling.
Gauges measuring gases should be mounted to the highest point, liquids to the lowest points of the tank or pipe.
GASES LIQUIDS
Devices should not be installed to places with pressure waves involved for instance by
stirrer or pumps.
Device should be protected from direct heat (sun) radiation.
Front diaphragm must not be pressed by hand or any object or cleaned with hard tool.
Diaphragm protection cap can only be removed before installation!
Devices with thread should be tightened with open-end wrench to the maximum torque
of 35 Nm.
After tightening the transmitter the rotatable housing can be rotated so that the cable
gland will look down which is especially suggested in open air applications.

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4.1 WIRING
Transmitters are used in 2-wire systems with power supply of
10…36 V DC. Resistance of the units in the loop depends on the voltage of the
power supply.
For wiring shielded cable suggested in the Technical Data should be used.
After removal of the housing cover and taking out the display module (if any), the
screw terminals can be accessed. Cover of the flame proof housing can be
removed after unhooking the clamp.
The unit should be grounded by the inner or outer grounding screw.
Switch on the unit and make necessary programming.
After programming ensure proper sealing and closing of the cover (and fastening
of the clamp with the flame proof models).
The unit may be damaged by electrostatic discharge (EDS) via its terminal, thus apply the precautions commonly used to avoid electrostatic
discharge e.g. by touching a properly grounded point before removing the cover of the enclosure.
4.2 SPECIAL CONDITIONS FOR SAFE USE
Intrinsically safe units can only be used in certified intrinsically safe loops with the
previously given technical data. (see values in Technical data table under Point 3.1).
Devices should be grounded by connecting their grounding screws to the equipotential
system.
Equipment with plastic housing can be loaded electrostatically therefore the devices
must be protected against electrostatic charges. The housing is allowed to clean only
with wet rag.
Since the housing of the units is made of die cast aluminium, when the units are
installed into a location which requires ‘Ga’ protection level, the units should be
mounted that they are protected against impacts and friction effects which may be
source of a potential ignition.

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5. PUTTING INTO OPERATION, PROGRAMMING
Transmitter installed and wired correctly will after powering operate
according to the settings of the Manufacturer (Default).
Operability is indicated by lighting of the LED VALID.
The value of the actual loop current can be measured by a voltage
meter (set for 200 mV range) with an accuracy of 0.5 %. 4 mV
corresponding to 4 mA and 20 mV corresponding to 20 mA.
This procedure can not be used for calibration.
WARNING! During installation the zero point of the transmitter can
possibly shifted. Therefore, the zero point has to be checked and
eventually be corrected as described in the programming
(See P7 in 5.1.3).

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5.1 PROGRAMMING
Adjustment of the unit to the conditions of the application will be carried out by programming parameters with the aid of the push buttons and following the
procedure on the display of the SAP–203 module. The NIVOPRESS is fully operational without the SAP–203 it is only needed for programming and/or displaying
measurement values. Manufacturer’s setting is as below:
DEFAULT
Measurement: pressure
Engineering units: bar, for the range of p > 0.6 bar (8.7 psi)
mbar, for the range of p 0.6 bar (8.7 psi)
Current output (4…20 mA),
Damping: 3 s
Error indication: Iout = 3.8 m
A
Noise suppression: 50 Hz
Density: 1000 kg/m3
Gravitational acceleration: 9.806 m/s2
NIVOPRESS DB- types are incorporating SAP–203 display module but the types DT- are not.
If the default is not meeting application requirements or the unit should be used for level measurement the programming i.e. modification of the parameters is
needed. This can be performed with the SAP–203 display module. (Obviously for programming of the DT series the plug in of the SAP–203 module is
necessary.)
The unit will measure during programming in accordance with the parameters set previously. The new, modified parameters will only be effective
after returning to the Measurement Mode.
If the transmitter is left in Programming Mode by mistake, it will automatically return to Measurement Mode after 3 minutes and will operate with the parameters
entered during the last completed programming.

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5.1.1 Display and keys of the SAP 203 display module.
Symbols on the screen
– pointer (showing to the relevant engineering unit)
LEV –„ON” indicating level measurement mode
mA – current output
% – display in percentage
PROG (blinking) – indicating programming
Symbols on the frame
Pressure engineering units (bar, mbar, psi)
Level engineering units (m, ft)
M– metric (European) measurement system
US – measurement system

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5.1.2 Steps of programming
Programming will be performed by pressing and releasing the relevant one or two keys (simultaneously). The following description is for overview only, detailed
programming is to find in 5.1.3
y or yy parameter address (0, 1, …19)
xxxx or xxxxx parameter value (dcba) or
calibration/measurement value
bargraph
For entering calibration values decimal point turns up automatically. Its position can not be changed
PROGRAMMING KEYS OPERATION
E
+ (press for min. 3 s) *Enter or exit programming mode (Return to the Measurement mode means saving of the modifications)
+ GET VALUE – function for automatic setting. Actual/measured value will be accepted as value to be programmed.
pressing Keys while Parameter address blinking while Parameter value blinking
E
to select parameter address and go to parameter value to save parameter value and return to parameter address
+ Cancel all modifications of the actual programming procedure
CANCEL will be displayed for warning, pressing for 3 sec is required.
Neglect modification of the Parameter Value and return to the
Parameter Address
+ Reset all parameters to default.
LOAD will be displayed for warning Display of default value
Move blinking (changeability) of the digit to the left
/ Modify the blinking digit (increase or decrease, minus sign) or scroll up/down …8, 9, “ - “ 0, 1, 2, …
Double key pressing is indicated by “+” *Make sure that
E
would be pressed first!
If after pressing
E
blinking does not spring over from the parameter address to the parameter value this means that
the parameter is either a read-out type, or
the secret code prevents the modification (see P19)
If the modification of the parameter value is not accepted i.e. the parameter value keeps blinking after pressing ENTER
E
,
the modified value is either out of the range, or
the code entered is not a valid one

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5.1.3 Parameters – descriptions and programming
WARNING! During installation the zero point of the transmitter may be shifted. It is suggested to make a correction in P7
P0: - - - a Assignment of 4 mA to the measured (lowest) value
P1: - - - a Assignment of 20 mA to the measured (highest) value
The lowest and highest (limit) value of the (pressure or level) range is to be assigned to the 4 and 20 mA output current. This can be performed
by two methods
a: manually i.e. by entering the relevant values in P0 and P1 (Make sure that values to be programmed does not exceed the range of the unit in
question, the modification of the parameter value will not be accepted i.e. after pressing
E
the parameter value will remain blinking.)
The procedure for assignment of 4 mA to 0 bar in P0: press
E
+ to enter programming mode, go to P0 with and press
E
to go to
parameter value, enter 0 as lowest pressure value and press
E
to go back to the parameter address, finally press
E
+ to exit
programming/return to measurement mode).
b: automatically i.e. using the GET VALUE function at being in P0 and P1. This method for which the sensor should be put under the required
(zero and high limit value) pressure or the relevant level in the tank should be available, provides higher accuracy.
FACTORY DEFAULT: limit values of the (pressure) range of the unit in question
P5: - - - a Density [kg/m3 or lb/ft3]
Selectable between 600 and 2000 kg/m3
FACTORY DEFAULT: 1000 kg/m3
P6: - - - a Gravitational acceleration [m/s2 or ft/s2]
For calculation of the level the gravitational acceleration should be entered if it is substantially different as the default value.
FACTORY DEFAULT: 9.806 m/s2
P7: - - - a Zero point correction and offset
As mentioned above the zero point correction is advised to perform once the unit is installed already. This can be best done with using the GET
VALUE function in P7 having zero pressure on the sensor. (press
E
+ to enter programming mode, go to P7 with and press
E
to go
to parameter value, press + GET VALUE to make the unit recognise the actual 0 bar, press
E
to go back to the parameter address,
finally press
E
+ to exit programming/return to measurement mode provided no other programming is needed)
With this procedure shift of the zero point will be displayed (with its – or + sign) and corrected.

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The zero point of the transmitter can be shifted (offset) within and outside of the range, which might be useful instrument for special level gauging
applications. This can also performed in the parameter P7.
Zero point of the transmitter can be shifted up to the 50% of the range. Doing so the active measurement
range will be reduced by the distance of „e”
Since in this case result will be achieved by deducting “e” from the measured level “h” for manual
programming (provided the zero point has not been shifted during installation!) the value of the zero offset “-e”
should simply be entered in P7.
With programming zero offset the possible zero-point shift (occurred during installation) should also be taken
into consideration with its mathematical sign. If for instance with the first switch-on checking of zero point in P7
would show a shift of for instance – 0.027* and zero point has to be offset by one meter –1 and ---- 0.027 i.e. –
1.027 should be entered in P7
For automatic programming the required “0” level should be achieved and the GET VALUE used as described
section P1
* this value with its
–
or + sign can be seen during Zero Point Correction
Zero point of the transmitter can also be shifted (offset) outside of the range. This is a virtual extension of the
range by adding a dead zone of „e” in which no measurement will take place consequently current output
remains the same and the value of „e” will be displayed. The measurement will only be active in the range of „h”
however the value of „e” will be added to the level measured.
Since the result will be achieved by adding “e” to the measured level “h” for the manual programming (provided
the zero point has not been shifted during installation!) the value of the zero offset “(+)e” should simply be
entered in P7.
With programming zero offset the possible zero-point shift (occurred during installation) should also be taken
into consideration with its mathematical sign. If for instance with the first switch-on checking of zero point in P7
would show a shift of for instance – 0.027* and zero point has to be offset by one meter (+)1 and ---- 0.027 i.e.
0.973 should be entered in P7
Obviously in this case there is no place for automatic programming.
* This value with its – or + sign can be seen during Zero Point Correction

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P9: - - - a Current generator test
In this parameter the actual current output (corresponding to the measured process value) will be displayed. Pressing
E
the blinking) current
value can be set for any value between 3.9 and 20.5 mA. The current output has to show the same value.
P10: - - - a Measurement mode
a Measurement mode
0 bar, mbar Pressure measurement
1 psi
2 m (Hydrostatic pressure) Level measurement
3 ft
FACTORY DEFAULT: 0
P11: - dcba Rounding, noise suppression and displayed value
Damping can be used to reduce unwanted fluctuation of the value displayed.
Noise suppression is to eliminate possible disturbance coming from the mains.
Attention: mind the sequence! When programming this parameter the right value “b” will be blinking first.
aRounding of displayed value
0No
1Yes
b Damping
0 3 s
1 5 s
2 10 s
3 20 s
cNoise suppression
050 Hz
160 Hz

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dDisplayed value
0Pressure or water head
1Percentage
FACTORY DEFAULT: 000
P12: - - - a Error indication by current output
aError indication
03.8 mA
122 mA
FACTORY DEFAULT: 0
P14: d c b a Software version
The software number of your transmitter can be viewed in this parameter.
P19: d c b a Secret code
Settings can be protected by a 4 digit number (secret code) other than 0 entered as value of this parameter. If the secret code is active the
symbol PROG is lighting and the value of the parameters can only be viewed. If there is no secret code or it is not active the symbol PROG is
blinking.
For opening secret code the old code should be entered. For modifying or deleting (modifying to 0000) the new code can only be entered after
opening the old code. The procedure is as below: Go to P19 press
E
to go to parameter value, enter the old code; press
E
to go to address
and
E
again to return to value; enter new code or 0000.
FACTORY DEFAULT: 0000

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5.2 ERROR CODES
In case of an error the LED VALID will be blinking, and Errxmessage will be displayed indicating the following errors:
Error Code
(x) Error description Causes and solutions
0 Sensor error or exceeding default range by more than 10% Contact local agent
Modify programming
1 Memory error Contact local agent
3 Programming error: same value in P0 and P1 Modify programming
5.3 HART COMMUNICATION
The HART capable transmitters can be programmed via the MultiCONT and the parameters, as well as the measured values, are transmitted via the RS485
communication line. In addition to that MultiCONT provides power supply to the transmitters.
6. MAINTENANCE AND REPAIR
The device does not require regular maintenance. In some instances, however, the diaphragm may need occasional cleaning. This should be done with care.
All repairs within or beyond the warranty period are to be carried out solely by the manufacturer.
The warranty card contains the terms and conditions. Before returning the device for repairs, it must be cleaned thoroughly. The parts in contact with the
medium may contain harmful substances; therefore, they must be decontaminated. Our official form (Returned Equipment Handling Form) must be filled and
enclosed in the parcel. Download it from our website www.nivelco.com. The device must be sent back with a declaration of decontamination. A statement must
be provided in the declaration that the decontamination process was successfully completed and that the device is clean from any hazardous substances.
7. STORAGE
Ambient temperature: –25…+60 °C (–4…+140 °F)
Relative humidity: max. 98 %

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dbf5512a0600p_06
January 2018
NIVELCO reserves the right to change technical data without notice.