EXNA 8854 – Ex Pressure Transmitter

The intrinsically safe EX pressure transmitter EXNA 8854 is certified to ATEX and IECEx for applications in Ex-Zones 0, 1, 2 (gas), 20, 21, 22 (dust) and mining. Due to the wide range of variants and pressure ranges from 0.1 to 1000 bar it can be configured for almost any application appropriately.

Features

  • Ex ATEX / IECEx
  • Pressure ranges from 100 mbar
  • Versions with frontal flush diaphragm
  • Media temperature to 150°C
  • EMC protection, IEC 61000
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Technical Data

Applications

Ex Zone 0, 1, 2 / Gas, Ex Zone 20, 21, 22 / Dust, Ex Underground Mining

Category

Pressure transmitters

Accuracy @ 25°C typ.

± 0.5 % FS typ

Dielectric strength

250 VAC, 50 Hz

Measuring principle

Piezoresistive

Approval / conformity

DNV-GL
Ex according to standards, IEC/EN 60079-0 /-11/-26, EN 50303

Vibration

EN 60068-2-6: 10 g (4...2000 Hz)

NLH @ 25°C (BSL) typ.

± 0.3 % FS typ.

Media temperature

T3: -40°C ... +150°C
T4: -40°C ... +100°C
T6: -40°C ... +50°C

Shock

EN 60068-2-27: 100 g/ 6 ms

Long term stability 1 year typ.

± 0.2 % FS typ.

Ambient temperature

T3: -40°C ... +125°C
T4: -40°C ... +85°C
T6: -40°C ... +50°C

Sensor

1.4435/1.4542 (AISI316L/630)

Protection

Min. IP65

Output signal

4 ... 20 mA

TEB typ. @ -25 ... +85°C

± 2 % FS typ.

Measuring range

0 ... 0.1 to 0 ... 1000 bar

Pressure connections

1/4" NPT m, 1/2"NPT m, G1/4" f, G1/4" m, G1/2" m, G1/2" m frontal membrane, G1/2" m flush membrane

Electrical connections

EN175301-803-A; M12x1; MIL-C 26482; Binder 723; Cable

Type of protection

II 1G Ex ia IIC T3 ... T6 Ga
II 1D Ex ia IIIC IP6x T145 ... T70°C
I M1 Ex ia I