Page 429 - Bürkert

INLINE Flowmeter for hazardous area II 1 G/D - II 3 GD - I M1

SE30 Ex • Flowmeter with NAMUR or NPN/PNP

output signal
• Mounting, dismounting of electronics
by a Quarter-Turn
• Intrinsic safety approvals (see ordering
chart)

The intrinsic safety flowmeter, SE30 Ex, for continuous flow measure- Envelope Dimensions [mm] (see datasheet for details)
ment is especially designed for use in neutral, slightly aggressive, solid-
free liquids, in hazardous environments.
Electronics SE30 Ex
The flowmeter SE30 Ex is made up of an electronic module and a meas- Mounted on S030 sensor
uring element, (sensor fitting S030) and is quickly and easily connected fitting
by a Quarter-Turn.
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40
Technical Data
General data 9 H
Compatibility 1) With sensor fitting S030 (please order separately) 32
(see relevant datasheet)
Materials
Body, cover PC (NPN/PNP version) 44
Cable plug PPS (NAMUR version) glass fibre reinforced
PA with silicon seal (NAMUR version), 54
with NBR seal (NPN/PNP version)
Wetted parts Selection of the appropriate sensor fittings
(see datasheet) DN H
Sensor-Fitting S030 06 96
1)
Body Brass, Stainless steel, PVDF
Paddle wheel PVDF 08 96
Axis and bearings Ceramic 15 101
Seal FKM 20 98
Electrical connection 25 98
Namur version Cable plug Form A acc to EN 175301-803 32 102
(supplied) 40 106
Voltage supply cable 0.5 to1.5 mm cross section, 5 to 8 mm diameter; 50 112
2
shielded, max. 50 m length; line impedance <50 Ω
(not included in delivery) 65 112
Environment
Ambient temperature 0 to +60°C (operating and storage)
Relative humidity ≤ 80%, without condensation
Electrical data
Power supply 1) 8 - 15 V DC
(NAMUR version, from connected intrinsic safety barrier)
Current consumption max. 7 mA (NAMUR version);
(with sensor)
Output Depends on the device model and application area:
2-wire current modulation acc. to Namur (0.5 or 2.5 mA)
Reversed polarity (of DC) Protected
1) see datasheet overview:
“SAFETY INSTRUCTIONS - NOTICE OF ATEX INSTRUCTIONS”,
to choose the appropriate sensor fitting for the area of application

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