Pressure transmitter PASCAL CV,
for diaphragm seal operation, hygienic Type series CV311.-..-K
LABOM Mess- und Regeltechnik GmbH  Im Gewerbepark 13  27798 Hude  Germany
ata sheet  D4-017-22_2019-04_10.00
Application area
■ Pharmaceutical industry ■ Food industry ■ Biotechnology
Features
■ Modular pressure transmitter
Output signal: - 4…20 mA
- HART® protocol (rev. 6), option - PROFIBUS PA, option ■ Function modules
-
Multifunctional display with 5-segment digital display
and bar graph
- Switching module with 2 floating channels, maximum
0.5 A switching current, electrically isolated at all sides, without additional auxiliary power
■ Function module replacement on site without recalibra-tion "plug and measure"
■ Hygienic design according to EHEDG, FDA and GMP
recommendations
■ Material and surface quality according to the hygienic
requirements
■ Limits of measuring 80 mbar 40 bar ■ Accuracy ≤ 0.15 % ■ Turndown 5:1
■ Degree of protection IP 66, piezoresistive measuring cell
directly aerated
Options
■ Approvals/Certificates
- Explosion protection for gases and dust
- Certificate of measuring equipment for Russian
Federation
- Material certificate as per EN 10204-3.1 - Calibration certificate as per EN 10204-3.1 - Classification per SIL2 ■ Hygienic design
■ Degree of protection IP 69K  ■ EAC declaration (upon request) Application
The modular pressure transmitter PASCAL CV is suited for measuring the relative and absolute pressure of gases,
vapors and liquids. The use of a HYGIENIC process adapter allows the device to be deployed in a va
riety of processes.
Technical data
Measuring ranges
Up to a turndown of 5:1 the measuring span can be freely selected.
Nominal range Measuring span Overload capacity ** Lower measuring range limit
***
min. max.
<0.4 bar * 80 mbar 0.8 bar    1 bar rel. 600 mbar abs
0…1 bar * 0.2 bar    2 bar    3 bar rel. 100 mbar abs
0…4 bar rel. * 0.8 bar    5 bar 10 bar rel. 100 mbar abs
0…16 bar rel. *    3.2 bar 17 bar 60 bar rel. 100 mbar abs
0…40 bar rel. * 8 bar 41 bar 100 bar rel. 100 mbar abs
0…4 bar abs 0.8 bar abs.    4 bar abs. 10 bar abs. 30 mbar abs
0…16 bar abs    3.2 bar abs. 16 bar abs. 60 bar abs. 30 mbar abs
*    Short term or sporadic measurement in vacuum range permitted up to lower measuring limit. Lower range value up to -1 bar rel. adjustable.
**  High overload protected designs are available upon request.
***  Vacuum-proof designs are available upon request.
Constructional design / case
Design: Two-chamber case design with screw
cap.
Minimum case volume, excellent moisture
and condensate protection
Material: Stainless steel mat.-no. 1.4301 (304)
Degree of protection per EN 60529: ■ IP 66
■optional: IP 69K
Climatic cate-
gory per EN
60721 3-4:
4K4H
Pressure com-
pensation:
PTFE filter system
Window: Non splintering plastic: Makrolon
Case seal: O-ring: NBR
El. connection: Screw terminal 1 mm2
Cable gland: ■Cable gland M16,
material: PA
■Circular connector M12
Further details see order code and upon
request.
Weight: Standard device without diaphragm seal
and function modules approx. 0.65 kg case design:
Process connection
Design: See order details
Material wetted parts
Material: Stainless steel mat. no. 1.4435
absolute relative(316L/316)
Gasket: EPDM-FDA listed (in case of flush mount-
ed diaphragm with O-ring)
Measuring system
Sensor: Piezoresistive
measuring
element System filling: Synthetic oil FD1, free of silicone,
FDA compliant
Hygienic design
The surface roughness of the wetted parts made of stain-less steel are executed according to EHEDG Doc.8 and ASME BPE SF3.
In case of choosing the additional feature HY, we guarantee the following surface roughness values:
Diaphragm foil: Ra ≤ 0.38 µm
Laser welds: Ra ≤ 0.76 µm
Turned parts: Ra ≤ 0.76 µm
Further versions of hygienic design upon request.
Accuracy
General:
Limit point
setting:
per DIN 16086
Reference
conditions:
per EN 60770-1
Linearity er-
rors:
≤ 0.15 % of span
TD 5:1 no modification
Hysteresis: ≤ 0.05 % of nominal range Repeatability: ≤ 0.05 % of nominal range
Calibration
position:
Vertical mounting position
Influence of
mounting posi-
tion:
≤ 3.5 mbar
Long-term drift:
(EN 60770-1)
≤ 0.1 % / year of nominal range
Temperature influence case:  Lower range value / upper range value Range 0…60 °C:
± 0.15 % / 10K of nominal range Range < 0 °C, > 60 °C:
± 0.2 % / 10K of nominal range
Process
connection
depending on design
Diaphragm seal Zero point error
DN 25/1“    4.8 mbar/10K
DN 32/1 1/2“    2.3 mbar/10K
DN 40    1.6 mbar/10K
DN 50/2“ 0.6 mbar/10K
HYGIENIC G1A    1 mbar/10K
The specify zero error for the process con-
nection is a guide value for a standard de-
sign. We can provide a detailed system
calculation upon request. Systems with
reduced diaphragm seal errors are also
available.
Output
General:
Delay time: approx. 160 ms
Measuring cycle:    6 measurements / second
Measuring range
setting:
Turndown 5:1
Basic module: 4…20 mA
Signal: 4…20 mA, 2-wire
Current range:    3.8…20.8 mA
Current limitation: approx. 22 mA
Alarm state: < 3.6 mA, optional > 21 mA Damping: 0 (120)
seconds
Load R: R ≤ (U-12V DC)/0.022 A [Ω]
U = supply voltage
Basic module: PROFIBUS PA
Signal: digital per IEC 61158-2
Protocol: EN 50170-PROFIBUS PA, Profile 3.0 Sensor address: 0…126 (126 = factory setting)
Power consump-
tion:
constantly 11 mA
Alarm current
I FDE :    2 mA
Damping: 0 (300)
seconds Parameterisation: SIMATIC PDM
Supply voltage
Basic module: 4…20 mA PROFIBUS PA Standard design:
Functional range: 12…40 V DC 9…32 V DC
Ex-design:
Functional range: 12…30 V 17.5 V DC Temperature ranges
Ambient: -20 (85)
°C
Media: depending on design, see order code Storage: -40 (85)
°C
Note safety values as per examination certificate!
Tests and certificates
Interference emis-
sion:
per EN 55011
Noise immunity: per EN 61326-1 *, NAMUR NE21 * * Devices with cable gland or switching outputs might suffer from a short-time measuring deviation if exposed to strong electromagnetic fields (EN 61000-4-3).
Ex approvals: TÜV 04 ATEX 2387 X
For detailed Information see Ex Safety Instruction XA_015 and XA_020.
SIL2: Functional safety per EN 61508, Classi-
fication per SIL2.
For basic module 4…20 mA, switching
module, display module and HART®
module
TÜV-Reg.-No. 44 799 13190201
■EAC declaration upon request
■Certificate of measuring equipment for Russian Federa-tion
Function modules
Display module (multifunctional display) optional
pluggable with automatic module detection  - plug and measure -
■ Module housing made of ABS, encapsulated electronics
unit
■ Many operating mode menues
■ 5-segment pressure read-out with unit ■ Read-out display
- pressure (standard)
- percent *
- current *
- sensor temperature
■ Bar graph 36 segment suitable 0…100 %
■ Loop test (current sensing function) 3.55…22 mA * ■ Alarm indicator on display
■ Switching function indicator *
*
not with basic module PROFIBUS PA
Details of the operator menue see parameterisation.
HART® module (for basic module 4…20 mA) optional
■ HART®-protocol, revision 6.5 ■ Response characteristic FSK
■ Load with HART® communication
- with Hart® modem 230…500 Ω
- with Hart® communicator 230…1100 Ω ■ Parameterisation via
- operating elements - HART® communication ● PDM 6.0 ● AMS
● 375 Field Communicator
Switching module, (not with basic module PROFIBUS PA) optional pluggable with automatic module detection  - plug and measure -
■ No additional auxiliary power required
■ Module housing made of ABS, encapsulated electronics
unit
■ Electronic switch for 2 limit values, voltage free, short-circuit-proof
■ Switching capacity 30 V DC / 0.5 A (Ri < 0.3 Ω)
■ Indicator: red LED, indicates overload or short-circuit ■ Cut-out fuse protects against overload / short-circuit with
automatic reset
■ Switch points: 0.0 - 100.0% adjustable, Standard: 50.0% ■ Switching function: maker or breaker, adjustable, Stand-ard: breaker
■ Contact open when device switched off
■ Hysteresis: 0.0…100 % adjustable, Standard 0.1 %
- falling or rising, adjustable, standard: falling ■ Switching rate: 6 Hz
■ Electrically isolated to all sides, Insulation voltage: 500 V,
2.5 kV/2 sec.
■ Electrical connection: terminal blocks 1 mm 2
Hysteresis functions
Description of switching module and HART® module upon request.

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