Trafag EXNAL 8858 Ex Submersible Pressure Transmitter is a leading international supplier of high-quality sensors and monitoring instruments for the measurement of pressure and temperature.

Main Features of Trafag EXNAL 8858 Ex Submersible Pressure Transmitter
- Pressure ranges starting from 100 mbar
- Cable PUR or FEP
- Optional: chemical resistant material, in titanium
- Explosion-proof Ex ia IIC T3 … T6
- Optional: lightning protection (IEC 61000-4-5), 10kA (8/20 µs)
Technical Data of Trafag EXNAL 8858 Ex Submersible Pressure Transmitter
Product code | 8858 |
Name | EXNAL |
Designation | Ex Submersible Pressure Transmitter |
Product category | Pressure transmitters |
Measuring range | 0 … 0.1 to 0 … 25 bar |
Measuring principle | Piezoresistive |
Applications | Ex SEV 11 ATEX 0145 X Shipbuilding |
Approval / conformity | DNV-GL |
Output signal | 4 … 20 mA |
Electrical connections | Cable PUR or FEP |
Pressure connections | Open; Closed; G1/4″ m |
Media temperature | T4/T6: -5°C … +50°C |
Ambient temperature | T4/T6: -5°C … +50°C |
Specifications EXNAL 8858 Ex Submersible Pressure Transmitter
Electrical Data | Repeatability | ± 0.05 % FS |
Zener barrier Load Rise time | 30 VDC/ 100mA/ 1W 4 … 20 mA: RL ? (US -9V)/20 mA Typ. 1 ms / 10 … 90 % nominal pressure | |
Environmental conditions | Media temperature | T4/T6: -5°C … +50°C |
Ambient temperature | T4/T6: -5°C … +50°C | |
Protection | Min. IP68 | |
Humidity | Max. 95 % relative | |
Vibration | 6 g (25…2000 Hz) | |
Shock | 50 g / 1 ms | |
EMC Protection | Burst | EN/IEC 61000-4-4, Level 3 |
Surge | EN/IEC 61000-4-5, Level 3 | |
Ri = 42? | ||
Emission | EN/IEC 61000-6-3 | |
Immunity | EN/IEC 61000-6-2 | |
Mechanical Data | Sensor (wetted parts) | 1.4435 (AISI316L) |
Pressure connection (wetted parts) | 1.4435 (AISI316L) or titanium | |
Housing | 1.4404 (AISI316L) or titanium | |
Sealing | FKM (Viton) | |
Male electrical connector | See ordering information | |
Weight | ~ 200 g | |
Mounting torque | 25 Nm |
Source : www.trafag.com
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