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14 Supplement
14 Supplement
14.1 Technical data
Note for approved instruments
The technical data in the respective safety instructions which are included in delivery are valid for approved instruments (e.g. with Ex approval). These data can differ from the data listed herein, for example regarding the process conditions or the voltage supply.
All approval documents can be downloaded from our homepage.
Materials and weights
Materials, wetted parts
Process fitting
Diaphragm
Measuring cell seal
316L, PVDF, Duplex steel (1.4462), PEEK
Sapphire-ceramic ® (> 99.9 % Al
2
O
3
ceramic)
FKM (VP2/A), EPDM (A+P 70.10-02), FFKM (Perlast
G74S)
Seal for process fitting (in the scope of delivery)
Ʋ Thread G½ (EN 837), thread G½ inside G¼ (ISO 228-1), thread G½ inside 11.4 mm (ISO 228-1), thread
M20 x 1.5 (EN 837), thread G1½
(DIN 3852-A)
Klingersil C-4400
Ʋ Further thread versions
Materials for applications in foodstuffs
Depending on the configuration
Surface quality, hygienic fittings, typ.
Ʋ Process fitting
Ʋ Ceramic diaphragm
Materials, non-wetted parts
Electronics housing
Illuminated ring
M12 x 1 plug connector
Ʋ Contact support
Ʋ Contacts
Weight
R
R a a
< 0.76 µm
< 0.5 µm
316L und PBT/PC
PC
PBT/PC
CuZn, nickel layer and 0.8 µm gold-plated approx. 0.25 kg (0.55 lbs)
Torques
Max. torque for process fitting (examples)
Ʋ Thread G½, inside G¼ (ISO 228-1),
PVDF
Ʋ Clamp
Ʋ Thread ½ NPT inside 6 mm, G1
(DIN 3852-E) PEEK, G1½ (DIN 3852-
A-B) PEEK
Ʋ Varivent
5 Nm (3.688 lbf ft)
5/10 Nm (3.688/7.376 lbf ft)
10 Nm (7.376 lbf ft)
20 Nm (14.75 lbf ft)
50 VEGABAR 38 • Two-wire 4 … 20 mA
14 Supplement
Ʋ Thread G½ (ISO 228-1), G¾
(DIN 3852-E), M30 x 1.5, Ingold, NPT connections
Ʋ SMS, collar socket DIN 11851,
DIN 11864-1, Form A
Ʋ Thread G½ (EN 837), G½ (DIN 3852-
A), G1 (ISO 228-1), G1½ (DIN 3852-
A)
Ʋ Thread G1 with conus
30 Nm (22.13 lbf ft)
40 Nm (29.50 lbf ft)
50 Nm (36.88 lbf ft)
100 Nm (73.76 lbf ft)
Input variable
The specifications are only an overview and refer to the measuring cell. Limitations due to the material and version of the process fitting as well as the selected pressure type are possible. The specifications on the nameplate apply. 9)
Nominal measuring ranges and overload capability in bar/kPa
Nominal range
Gauge pressure
0 … +0.1 bar/0 … +10 kPa
0 … +0.4 bar/0 … +40 kPa
0 … +1 bar/0 … +100 kPa
0 … +2.5 bar/0 … +250 kPa
0 … +5 bar/0 … +500 kPa
0 … +10 bar/0 … +1000 kPa
0 … +25 bar/0 … +2500 kPa
0 … +60 bar/0 … +6000 kPa
-0.05 … +0.05 bar/-5 … +5 kPa
-0.2 … +0.2 bar/-20 … +20 kPa
-0.5 … +0.5 bar/-50 … +50 kPa
-1 … 0 bar/-100 … 0 kPa
-1 … +1.5 bar/-100 … +150 kPa
Absolute pressure
0 … 0.1 bar/0 … 10 kPa
0 … 1 bar/0 … 100 kPa
0 … 2.5 bar/0 … 250 kPa
0 … +5 bar/0 … +500 kPa
0 … 10 bar/0 … 1000 kPa
0 … 25 bar/0 … 2500 kPa
0 … 60 bar/0 … 6000 kPa
Overload capacity, max. pressure Overload capacity, min. pressure
+15 bar/+1500 kPa
+30 bar/+3000 kPa
+35 bar/+3500 kPa
+50 bar/+5000 kPa
+65 bar/+6500 kPa
+90 bar/+9000 kPa
+130 bar/+13000 kPa
+200 bar/+20000 kPa
+15 bar/+1500 kPa
+20 bar/+2000 kPa
+35 bar/+3500 kPa
+35 bar/+3500 kPa
+40 bar/+4000 kPa
15 bar/1500 kPa
35 bar/3500 kPa
50 bar/5000 kPa
65 bar/+6500 kPa
90 bar/9000 kPa
+130 bar/+13000 kPa
+200 bar/+20000 kPa
-0.2 bar/-20 kPa
-0.8 bar/-80 kPa
-1 bar/-100 kPa
-1 bar/-100 kPa
-1 bar/-100 kPa
-1 bar/-100 kPa
-1 bar/-100 kPa
-1 bar/-100 kPa
-0.2 bar/-20 kPa
-0.4 bar/-40 kPa
-1 bar/-100 kPa
-1 bar/-100 kPa
-1 bar/-100 kPa
0 bar abs.
0 bar abs.
0 bar abs.
0 bar abs.
0 bar abs.
0 bar abs.
0 bar abs.
9) Data on overload capability apply for reference temperature.
VEGABAR 38 • Two-wire 4 … 20 mA 51
14 Supplement
Nominal measuring ranges and overload capacity in psi
Nominal range
Gauge pressure
0 … +1.5 psig
0 … +5 psig
0 … +15 psig
0 … +30 psig
0 … +75 psig
0 … +150 psig
0 … +300 psig
0 … +900 psig
-0.7 … +0.7 psig
-3 … +3 psig
-7 … +7 psig
-14.5 … 0 psig
-14.5 … +20 psig
Absolute pressure
0 … 15 psi
0 … 30 psi
0 … +75 psi
0 … 150 psi
0 … 300 psi
0 … 900 psi
Overload capacity, max. pressure Overload capacity, min. pressure
+225 psig
+435 psig
+525 psig
+725 psig
+950 psig
+1300 psig
+1900 psig
+2900 psig
+225 psig
+290 psi
+525 psig
+525 psig
+580 psig
525 psi
600 psi
975 psi
1350 psi
1500 psi
+2900 psi
0 psi
0 psi
0 psi
0 psi
0 psi
0 psi
-3 psig
-12 psig
-14.51 psig
-14.51 psig
-14.51 psig
-14.51 psig
-14.51 psig
-14.51 psig
-3 psig
-6 psig
-14.51 psig
-14.51 psig
-14.51 psig
Adjustment ranges
Specifications refer to the nominal measuring range, pressure values lower than -1 bar cannot be set
Zero/Span adjustment:
Ʋ Zero
Ʋ Span
Maximum permissible Turn Down
-20 … +95 %
-120 … +120 %
Unlimited (recommended 20 : 1)
Switch-on phase
Start-up time with operating voltage U
B
Starting current for run-up time
≤ 2 s
≤ 3.6 mA
Output variable - two-wire 4 … 20 mA
Output signal
Connection technology
Range of the output signal
Signal resolution
4 … 20 mA - passive
Two-wire
3.8 … 20.5 mA
5 µA
52 VEGABAR 38 • Two-wire 4 … 20 mA
Fault signal, current output (adjustable) ≤ 3.6 mA, ≥ 21 mA, last measured value
Max. output current 21.5 mA
Load
Transferred measured value
See load resistance under Power supply
Pressure
Dynamic behaviour output
Dynamic characteristics - Current output
14 Supplement
100 %
90 %
1 2
10 % t
T t
S t
A t t
Fig. 30: Behaviour the current output in case of sudden change of the process variable. t
T
S
: jump response time
1 Process variable
2 Output signal
: dead time; t
A
: rise time;
Size
Dead time
Rise time (10 … 90 %)
Step response time (ti: 0 s, 10 … 90 %)
Time
≤ 2 ms
≤ 4 ms
≤ 6 ms
Damping (63 % of the input variable) 0 … 9 s, adjustable
Reference conditions and influencing variables (according to DIN EN 60770-1)
Reference conditions according to DIN EN 61298-1
Ʋ Temperature
Ʋ Relative humidity
+15 … +25 °C (+59 … +77 °F)
45 … 75 %
Ʋ Air pressure
Determination of characteristics
Characteristic curve
Reference installation position
Influence of the installation position
860 … 1060 mbar/86 … 106 kPa (12.5 … 15.4 psig)
Limit point adjustment according to IEC 61298-2
Linear upright, diaphragm points downward
< 0.2 mbar/20 Pa (0.003 psig)
Deviation (according to IEC 60770)
Applies to the 4 … 20 mA current output and refers to the adjusted span. Turn down (TD) is the relation nominal measuring range/adjusted span.
VEGABAR 38 • Two-wire 4 … 20 mA 53
14 Supplement
Accuracy class
0.3 %
Non-linearity, hysteresis and repeatability with TD 1 : 1 up to 5 : 1
< 0.3 %
Non-linearity, hysteresis and repeatability with 5 : 1
< 0.06 % x TD
Influence of the medium or ambient temperature
Average temperature coefficient of the zero signal
Ʋ In the compensated temperature range 10)
Ʋ Outside the compensated temperature range typ.
< 0.15 %/10 K
0.3 %/10 K
1,5 %
1,2 %
-40°C 20°C 100°C
-1,2 %
-1,5 %
Fig. 31: Temperature error with TD 1 : 1
Long-term stability (according to DIN 16086)
Specifications refer to the set span. Turn down (TD) is the ratio: nominal measuring range/set span.
Time period
One year
Two years
Five years
Ten years
Long-term drift zero signal and output span
< 0.1 % x TD
< 0.15 % x TD
< 0.2 % x TD
< 0.4 % x TD
Ambient conditions
Ambient temperature device
Ambient temperature display
Storage and transport temperature
-40 … +80 °C (-40 … +176 °F)
-25 … +80 °C (-13 … +176 °F)
-40 … +80 °C (-40 … +176 °F)
Mechanical environmental conditions
Vibrations (oscillations)
Impacts (mechanical shock)
Class 4M8 acc. to IEC 60271-3-4 (5 g at 4 … 200 Hz)
Class 6M4 acc. to IEC 60271-3-6 (50 g, 2.3 ms)
10) 0 … +100 °C (+32 … +212 °F)
54 VEGABAR 38 • Two-wire 4 … 20 mA
14 Supplement
Impact resistance
Ʋ Plug according to ISO 4400
Ʋ M12 x 1 plug
IK07 acc. to IEC 62262
IK06 acc. to IEC 62262
Process conditions
Process temperature
Measuring cell seal
FKM
EPDM
FFKM
Process temperature with process fitting
316L, Duplex steel PVDF PEEK 11)
VP2/A -20 … +130 °C (-
4 … +266 °F)
A+P 70.10-02 -40 … +130 °C (-
40 … +266 °F)
Perlast G74S -15 … +130 °C
(+5 … +266 °F)
-20 … +80 °C (-
4 … +176 °F) 12)
-20 … +100 °C (-
4 … +212 °F)
Temperature derating
2
1
Fig. 32: Temperature derating VEGABAR 38
1 Process temperature
2 Ambient temperature
2
1
Fig. 33: Temperature derating VEGABAR 38, with activated Bluetooth communication
1 Process temperature
2 Ambient temperature
SIP process temperature 13)
14 Applied for OL approval
12) Process pressures > 5 bar: 20 … +60 °C (-4 … +140 °F)
13) SIP = Sterilization in place
VEGABAR 38 • Two-wire 4 … 20 mA 55
14 Supplement
Device configuration suitable for vapour, i.e. measuring cell seal EPDM or FFKM (Perlast G74S), previous CIP cleaning up to max. +80 °C (+176 °F): 14)
SIP process temperature with vapour stratification up to
Ʋ 15 minutes +150 °C (+302 °F)
Ʋ
Ʋ
30 minutes
1 hour
Process pressure
Permissible process pressure
+140 °C (+284 °F)
+135 °C (+275 °F) see specification " MWP " on the type label 15)
Indication
Measured value and menu display
Ʋ Graphic-capable LC display, with lighting
Ʋ Max. indicating range
Status indication
Adjustment
Adjustment elements
PC/Notebook
Smartphone/Tablet digital and quasianalogue indication
-99999 … 99999
LED illuminated ring (green-yellow-red)
3 x keys for menu adjustment
PACTware/DTM
Adjustment app
Measuring cell temperature
Range
Resolution
Deviation
Output of the temperature values via 16)
Bluetooth interface
Bluetooth standard
Frequency
Max. emitted power
Max. number of participants
Effective range typ. 17)
Electromechanical data
Angled plug connector
Ʋ Version
Ʋ Cable gland
Ʋ Screw terminals for cable crosssection up to
-40 … +130 °C (-40 … +266 °F)
< 0.2 K
±3 K
Display and adjustment unit, Bluetooth, IO-Link
Bluetooth 5.0
2.402 … 2.480 GHz
+2.2 dBm
1
25 m (82 ft)
4-pin according to ISO 4400
M16 x 1.5 (for cable diameter 4.5 … 10 mm)
1.5 mm² (AWG 15)
15) MWP: Maximum Working Pressure
16) Depending on the instrument version
17) Depending on the local conditions
56 VEGABAR 38 • Two-wire 4 … 20 mA
14 Supplement
Angle plug connector with flap lid
Ʋ Version
Ʋ Cable gland
Ʋ Screw terminals for cable crosssection
Round plug connector
4-pin according to ISO 4400
PG 11 (for cable diameter 4.5 … 11 mm) up to 1.5 mm² (AWG 15)
4-pole with M12 x 1 screw connection
Voltage supply
Operating voltage U
B
Operating voltage U
B
18)
Reverse voltage protection
Permissible residual ripple
Ʋ for U
N
Ʋ for U
N
12 V DC (12 V < U
B
24 V DC (18 V < U
Load resistor
B
< 18 V)
< 35 V)
Ʋ Calculation
Ʋ Example - for U
B
= 24 V DC
12 … 35 V DC
15 … 35 V DC
Integrated
≤ 0.7 V
≤ 1.0 V
(U
B
- U eff eff min
(16 … 400 Hz)
(16 … 400 Hz)
)/0.022 A
(24 V - 12 V)/0.022 A = 545 Ω
Electrical protective measures
Potential separation
Protection rating
Connection technology
Electronics potential free up to 500 V AC
Protection according to
EN 60529/IEC 529
IP66/IP67
Protection according to NEMA/
UL 50E
Type 6P M12 x 1 plug
Plug according to ISO 4400
ISO 4400 plug with hinged cover
Plug according to ISO 4400 with
IDC method of termination
IP65 Type 4X
Altitude above sea level
Protection class
Pollution degree
5000 m (16404 ft)
III
4
18) Illuminated display and adjustment unit or activated 360° status display
VEGABAR 38 • Two-wire 4 … 20 mA 57
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