NAE 8255
ENGINE PRESSURE
TRANSMITTER
Swiss based Trafag is a leading international supplier of high quality
sensors and monitoring instruments for measurement of pressure
and temperature.
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Shipbuilding
Engine manufacturing
Test benches
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Smallest design
Different accuracy classes
Excellent temperature resistance
Improved vibration resistance
Completely welded steel sensor system without additional
seals
Technical Data
Measuring principle
Thin film on steel
Accuracy @ 25°C typ.
± 0.3 % FS typ
± 0.15 % FS typ
Measuring range
0 ... 2.5 to 0 ... 600 bar
Media temperature
-40°C ... 125°C
Output signal
4 ... 20 mA, 0 ... 10 VDC,
0.5 ... 4.5 VDC ratiometric
Approval
ABS, BV, DNV, GL, KRS, LRS, NKK, RINA
Trafag Sensors & Controls
Switzerland
Industriestrasse 11
8608 Bubikon
Tel. +41 44 922 32 32
Fax +41 44 922 32 33
www.trafag.com
[email protected]
Data sheet H72301h NN
Features
Subject to change
Applications
05/2014
s
NAE 8255
Ordering information/type code
8255 . XX . XX . XX . XX . XX . XX
Measuring
range 1)
Sensor
Pressure
connection
Electrical
connection
Output
Pressure measurement range
[bar]
0 ... 2.5 2)
Burst pressure
[bar]
50
75
0 ... 4
8
60
76
0 ... 6
12
100
77
0 ... 10
20
200
78
0 ... 16
32
200
79
0 ... 25
50
300
80
0 ... 40
80
300
81
0 ... 60
120
400
82
0 ... 100
200
500
83
0 ... 160
320
750
85
0 ... 250
500
1000
74
0 ... 400
800
1500
84
0 ... 600
1000
2000
86
Relative pressure, accuracy: 0.3%
23
Relative pressure, accuracy: 0.15%
21
G1/4" male (O-Ring)
17
7/16"-20UNF male 3)
18
1/4"NPT male
30
Male electrical plug , Industrial standard (contact distance 9.4mm), Mat. PBT
01
Male electrical plug M12x1, 4-pole, Mat. PBT
32
Male electrical plug M12x1, 5-pole, Mat. PBT
35
Output
Load resistance
I (supply)
U (supply)
4 ... 20 mA
(Usupply-9V) / 20mA
​
24 (9 ... 32) VDC
19
0 ... 10 VDC 4)
≥ 5.0 kΩ
≤ 10 mA
24 (15 ... 32) VDC
17
≥ 2.0 kΩ
≤ 10 mA
5 (4.5 ... 5.5) VDC ratiom.
23
0.5 ... 4.5 VDC
Accessories
Over pressure
[bar]
5
4)
Female electrical plug M12x1, 5-pole, for execution 32 and 35
33
Female electrical plug industrial standard
34
Pressure peak damping element ø 1.0 mm 5)
40
Pressure peak damping element ø 0.3 mm
5)
43
Pressure peak damping element ø 0.5 mm 5)
45
Extended overpressure as well as customized pressure ranges upon request
Accuracy: 0.3%
Only for relative presssure measurement, max. allowable pressure range: 40 bar
4)
No ship approval
5)
Only for pressure connections 17 and 30
1)
2)
3)
Ni
Identical construction with lower specifications: Data sheet No H72250, H72300
H72301h
page 2/5
NAE 8255
Standard products (extra short lead time)
Product No.
Type Code
Pressure range
[bar]
NAE2.5A
NAE4.0A
NAE6.0A
NAE10.0A
NAE16.0A
NAE25.0A
NAE40.0A
NAE100.0A
NAE250.0A
NAE400.0A
NAE600.0A
8255 75 2317 32 0000 0000 19 33 43
8255 76 2317 32 0000 0000 19 33 43
8255 77 2317 32 0000 0000 19 33 43
8255 78 2317 32 0000 0000 19 33 43
8255 79 2317 32 0000 0000 19 33 43
8255 80 2317 32 0000 0000 19 33 43
8255 81 2317 32 0000 0000 19 33 43
8255 83 2317 32 0000 0000 19 33 43
8255 74 2317 32 0000 0000 19 33 43
8255 84 2317 32 0000 0000 19 33 43
8255 86 2317 32 0000 0000 19 33 43
0...2.5
0...4.0
0...6.0
0...10
0...16
0...25
0...40
0...100
0...250
0...400
0...600
Over pressure
max.
[bar]
5
8
12
20
32
50
80
200
500
800
1000
Supply
[VDC]
9...32
9...32
9...32
9...32
9...32
9...32
9...32
9...32
9...32
9...32
9...32
Accuracy @ 25°C
typ.
[%]
±0.3
±0.3
±0.3
±0.3
±0.3
±0.3
±0.3
±0.3
±0.3
±0.3
±0.3
Dimensions
32
32.65
7
15.3
3
4
1
8255.XX.XXXX.32.XX.XX
26
57
27
M3
19.6
max. 5 mm
M12x1
9.4
8255.XX.XXXX.01.XX.XX
Ø19
1
8255.XX.XXXX.XX.XX.34
H72301h
15.3
3
3
2
10
2
8255.XX.XXXX.XX.XX.33
page 3/5
10
2
5
4
1
8255.XX.XXXX.35.XX.XX
Ø19
17
8255.XX.XX30.XX.XX.XX
M12x1
8255.XX.XX18.XX.XX.XX
Ø19
8255.XX.XX17.XX.XX.XX
15.1 2 13.1
SW19
Ø 21
SW19
Ø 21
O-Ring
Ø 13.1x1.6
90°
16.85
1/4“ NPT
7/16“-20UNF
16
G1/4“
2
14
SW19
Ø 21
12
NAE 8255
Specifications
Electrical Data
Environmental Conditions
EMC Protection
Mechanical Data
1)
Output / supply voltage
4...20 mA: 24 (9...32) VDC
0...10 VDC: 24 (15...32) VDC
0.5...4.5 VDC: 5 VDC ratiom.
Rise time
Typ. 1 ms/10...90% nominal pressure
Switch-on-delay
1s
Media temperature
-40°C ... 125°C
Ambient temperature
-40°C ... 125°C
Protection
Min. IP65
1)
Humidity
Max. 95% relative
Vibration
40g (20...2000 Hz)
Shock
100g/11ms
Emission
EN/IEC 61000-6-4
Immunity
EN/IEC 61000-6-2
Sensor
1.4542 (AISI630)
Housing / Pressure connection
1.4301 (AISI304)
Sealing
FKM 70 Sh
Male electrical plug
See ordering information
Weight
~ 50 g
Mounting torque
25 Nm
Provided female connector is mounted according to instructions
Accuracy
TEB @ -25...+85°C
Accuracy @ +25°C
NLH @ +25°C (BSL through 0)
TC zero point and span
Long term stability 1 year @ +25°C
[% FS typ.]
[% FS typ.]
[% FS typ.]
[% FS/K typ.]
[% FS typ.]
Measuring accuracy 0.3%
Ordering No. 23
± 1.0
± 0.3
± 0.2
± 0.01
< ± 0.1
4
3
2
1
0
-1
-2
-3
-4
-50
Measuring accuracy 0.15%
Accuracy (%)
Accuracy (%)
Measuring accuracy 0.3%
-40
max.
H72301h
-30
-20
-10
typ.
0
10
20
30
40
50
60
Measuring accuracy 0.15%
Ordering No. 21
± 0.5
± 0.15
± 0.1
± 0.002
< ± 0.1
70
TEB (-25...+85)
80
90
100 110 120 130
4
3
2
1
0
-1
-2
-3
-4
-50
-40
max.
Temp. (°C)
page 4/5
-30
-20
-10
typ.
0
10
20
30
40
50
60
70
TEB (-25...+85)
80
90
100 110 120 130
Temp. (°C)
NAE 8255
Electrical Connection
Protection / electrical connection
IP65*)
IP67*)
Industrial standard
EN175301-803A
01
M12x1
4-pole 32
3
3
2
1
2
4
1
Output signal
5-pole
35
5
3 2
4
1
2
1
4
1
3
1
< e>
4
5
1
2
3
1
2
3
4
2
4
3
5
8255.xx.xxxx.xx.19
<e>
8255.xx.xxxx.xx.17/23
*) Provided female connector is mounted according to instructions
Additional information
Documents
H72301h
Data sheet
Instructions
Flyer
www.trafag.com/H72301
www.trafag.com/H73250
www.trafag.com/H70675
page 5/5

H72313 - Trafag