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Pressure transmitter 525
The pressure transmitters of Type 525 are characterized by their compact and robust design and very high measurement accuracy. In addition to a wide variety of pressure and electrical connections, pressure ranges starting from 50 mbar full scale value can be implemented.
The pressure transmitters are based on the ceramic technology developed by Huba Control, which has been successfully used millions of times for over 20 years.
- Very high measurement accuracy
- Excellent temperature behavior
- Low-pressure ranges possible from a full scale value of 50 mbar
- Compact and robust design
- Variety of pressure and electrical connection options

Pressure transmitter 525
Product feature
Pressure measuring range
0 ... 0.6 bar (Relative)
Start-up time
<200 ms
Load change
<100 Hz
Response time
<150 ms
Sensor weight
<120 g
Field of application
Media
Process medium; Gas
Medium temperature
-25 ... 85 °C
Permissible overload
2 bar
Bursting pressure
2 bar
Permissible negative pressure
-0.3 bar
Ambient condition
Ambient temperature
-25 ... 85 °C
Storage temperature
-40 ... 85 °C
Material
Plug receptacle
Polyarylamide 50 % GF UL 94 V-0
Measuring element with media contact
Ceramic Al2O3 (99.6 %)
Pressure connection with media contact
Stainless steel 1.4404 (AISI 316L)
Sealing material with media contact
FPM; EPDM; NBR
Electrical data
Current consumption
<23 mA
Inverse-polarity protection
Short-circuit and reverse polarity protected. Each connection against each other with max. supply voltage.
Insulation voltage
500 VDC
Protection class
3
Installation guide
Installation orientation
any (Note position error!)
Approval
EMC compatibility
CE-compliant in accordance with EN 61326-2-3
Shock according to IEC 68-2-27
50 g, 6 ms, half-sine curve, all 6 directions, free fall from 1 m onto concrete (6x)
Vibration according to IEC 68-2-6
20 g, 15 ... 2000 Hz, 15 ... 25 Hz with amplitude ± 15 mm, 1 octave / minute in all 3 directions, 50 continuous loads
UL
ANSI/UL 61010-1 gemäss E325110
Explosion protection
according to ATEX and IECEx
Ex II ½ G Ex ia IIC T4 Ga/Gb; Ex II ½ D Ex ia IIIC T120ºC Da/Db

Pressure transmitter 525
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.
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Data Sheet 525
Data Sheet
PDF
EN-GB
FR
DE

Operating Instruction 525
Operating Instruction
PDF
EN-US

711 UL Approval
Certificate
PDF
EN-GB

525 Explosion protection approval ATEX
Certificate
PDF
DE
EN-GB

525 Explosion protection approval IEC Ex
Declaration of Conformity
PDF
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3D STEP data 525.xxxxxx0Jxx
3D STEP data
STP
The provided STEP data is for informational purposes only. Technical changes and errors are reserved. Downloading and using the data is at your own risk.
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3D STEP data 525.xxxxxx0Sxx
3D STEP data
STP
The provided STEP data is for informational purposes only. Technical changes and errors are reserved. Downloading and using the data is at your own risk.
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3D STEP data 525.xxxxxx1Jxx
3D STEP data
STP
The provided STEP data is for informational purposes only. Technical changes and errors are reserved. Downloading and using the data is at your own risk.
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3D STEP data 525.xxxxxx1Mxx
3D STEP data
STP
The provided STEP data is for informational purposes only. Technical changes and errors are reserved. Downloading and using the data is at your own risk.
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3D STEP data 525.xxxxxx01xx
3D STEP data
STP
The provided STEP data is for informational purposes only. Technical changes and errors are reserved. Downloading and using the data is at your own risk.
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3D STEP data 525.xxxxxx2Hxx
3D STEP data
STP
The provided STEP data is for informational purposes only. Technical changes and errors are reserved. Downloading and using the data is at your own risk.
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3D STEP data 525.xxxxxx2Mxx
3D STEP data
STP
The provided STEP data is for informational purposes only. Technical changes and errors are reserved. Downloading and using the data is at your own risk.
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3D STEP data 525.xxxxxx2Sxx
3D STEP data
STP
The provided STEP data is for informational purposes only. Technical changes and errors are reserved. Downloading and using the data is at your own risk.
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3D STEP data 525.xxxxxx3Hxx
3D STEP data
STP
The provided STEP data is for informational purposes only. Technical changes and errors are reserved. Downloading and using the data is at your own risk.
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3D STEP data 525.xxxxxx3Mxx
3D STEP data
STP
The provided STEP data is for informational purposes only. Technical changes and errors are reserved. Downloading and using the data is at your own risk.
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3D STEP data 525.xxxxxx3Sxx
3D STEP data
STP
The provided STEP data is for informational purposes only. Technical changes and errors are reserved. Downloading and using the data is at your own risk.
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3D STEP data 525.xxxxxx04xx
3D STEP data
STP
The provided STEP data is for informational purposes only. Technical changes and errors are reserved. Downloading and using the data is at your own risk.
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3D STEP data 525.xxxxxx07xx
3D STEP data
STP
The provided STEP data is for informational purposes only. Technical changes and errors are reserved. Downloading and using the data is at your own risk.
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3D STEP data 525.xxxxxx09xx
3D STEP data
STP
The provided STEP data is for informational purposes only. Technical changes and errors are reserved. Downloading and using the data is at your own risk.
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3D STEP data 525.xxxxxx11xx
3D STEP data
STP
The provided STEP data is for informational purposes only. Technical changes and errors are reserved. Downloading and using the data is at your own risk.
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3D STEP data 525.xxxxxx13xx
3D STEP data
STP
The provided STEP data is for informational purposes only. Technical changes and errors are reserved. Downloading and using the data is at your own risk.
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3D STEP data 525.xxxxxx17xx
3D STEP data
STP
The provided STEP data is for informational purposes only. Technical changes and errors are reserved. Downloading and using the data is at your own risk.
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3D STEP data 525.xxxxxx18xx
3D STEP data
STP
The provided STEP data is for informational purposes only. Technical changes and errors are reserved. Downloading and using the data is at your own risk.
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3D STEP data 525.xxxxxx21xx
3D STEP data
STP
The provided STEP data is for informational purposes only. Technical changes and errors are reserved. Downloading and using the data is at your own risk.
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3D STEP data 525.xxxxxx24xx
3D STEP data
STP
The provided STEP data is for informational purposes only. Technical changes and errors are reserved. Downloading and using the data is at your own risk.
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3D STEP data 525.xxxxxx27xx
3D STEP data
STP
The provided STEP data is for informational purposes only. Technical changes and errors are reserved. Downloading and using the data is at your own risk.
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3D STEP data 525.xxxxxx29xx
3D STEP data
STP
The provided STEP data is for informational purposes only. Technical changes and errors are reserved. Downloading and using the data is at your own risk.
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3D STEP data 525.xxxxxx33xx
3D STEP data
STP
The provided STEP data is for informational purposes only. Technical changes and errors are reserved. Downloading and using the data is at your own risk.
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3D STEP data 525.xxxxxx34xx
3D STEP data
STP
The provided STEP data is for informational purposes only. Technical changes and errors are reserved. Downloading and using the data is at your own risk.
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3D STEP data 525.xxxxxx37xx
3D STEP data
STP
The provided STEP data is for informational purposes only. Technical changes and errors are reserved. Downloading and using the data is at your own risk.
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3D STEP data 525.xxxxxx39xx
3D STEP data
STP
The provided STEP data is for informational purposes only. Technical changes and errors are reserved. Downloading and using the data is at your own risk.
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3D STEP data 525.xxxxxxL9xx
3D STEP data
STP
The provided STEP data is for informational purposes only. Technical changes and errors are reserved. Downloading and using the data is at your own risk.
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3D STEP data 525.xxxxxxLHxx
3D STEP data
STP
The provided STEP data is for informational purposes only. Technical changes and errors are reserved. Downloading and using the data is at your own risk.
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3D STEP data 525.xxxxxxR1xx
3D STEP data
STP
The provided STEP data is for informational purposes only. Technical changes and errors are reserved. Downloading and using the data is at your own risk.
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3D STEP data 525.xxxxxxR4xx
3D STEP data
STP
The provided STEP data is for informational purposes only. Technical changes and errors are reserved. Downloading and using the data is at your own risk.
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3D STEP data 525.xxxxxxR7xx
3D STEP data
STP
The provided STEP data is for informational purposes only. Technical changes and errors are reserved. Downloading and using the data is at your own risk.
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3D STEP data 525.xxxxxxR9xx
3D STEP data
STP
The provided STEP data is for informational purposes only. Technical changes and errors are reserved. Downloading and using the data is at your own risk.
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3D STEP data 525.xxxxxxRHxx
3D STEP data
STP
The provided STEP data is for informational purposes only. Technical changes and errors are reserved. Downloading and using the data is at your own risk.
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3D STEP data 525.xxxxxxRJxx
3D STEP data
STP
The provided STEP data is for informational purposes only. Technical changes and errors are reserved. Downloading and using the data is at your own risk.
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3D STEP data 525.xxxxxxRMxx
3D STEP data
STP
The provided STEP data is for informational purposes only. Technical changes and errors are reserved. Downloading and using the data is at your own risk.
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3D STEP data 525.xxxxxxRSxx
3D STEP data
STP
The provided STEP data is for informational purposes only. Technical changes and errors are reserved. Downloading and using the data is at your own risk.

Pressure transmitter 525
Order number
Accessories
103510
Socket outlet DIN EN 175301-803-A
with seal; IP 65, when mounted and screwed
104244
Socket outlet DIN EN 175301-803-C
with seal; IP 65, when mounted and screwed
104551
Calibration certificate
106975
Angled cable socket
M12x1; 3-pole