User Manual

ManualsBrandsSiemens ManualsFastening aidsMounting kit for QBE.../. Montagesatz für QBE... AQB51.1

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Siemens Building Technologies Pressure sensors QBE620-P… CA1N1904E

HVAC Products 10.06.2005

Technische Daten

Electrical interface Power supply

Supply voltage

– Max. voltage tolerance

Current consumption

With extra-low voltage only (SELV, PELV)

AC 24 V, 50...60 Hz or DC 18...33 V

±15 % at AC 24 V

< 5 mA

Output signal DC 0...10 V, R

Load >10 kΩ (no electrical isola-

tion, three-wire connection, short-circuit proof

and protected against polarity reversal)

Funktional data Application range 0...40 bar (see "Type summary")

Accuracy:

Total of linearity, hysteresis

and reproducibility

Zero point offset voltage

(FS = Full Scale)

< ± 0.5 % FS

< 50 mV

Temperature drift:

TC zero point

TC sensitivity

< ± 0.05 % FS / K

< ± 0.015 % FS / K

Response time 90 % < 5 ms

Nominal pressure Relative pressure as in "Type summary"

(Measurement of difference from ambient

pressure)

Max. admissible pressure 2 x scale end value of measuring range (FS)

Rupture pressure 3 x scale end value of measuring range (FS)

Media

Admissible temp. of medium

Neutral and mildly corrosive liquids and gases

–15 ... + 80 °C

Maintenance No maintenance required

Orientation Any

Protection Protection standard IP 65 to EN 60 529

Connections Connection cable PVC, lenght 2 m, 3 x 0.25 mm

stranded wires

Screwed fitting external thread G1/2"

Environmental conditions Operation to

Climatic conditions

Temperature

Humidity

− 15...+ 85 °C

<95 % r.h.

Storage/transport

Climatic conditions

Temperature

Humidity

− 25...+ 70 °C

<95 % r.h.

Standards

Electromagnetic compatibility

Immunity to

Emissions to

EN 61 000-6-2, EN 61 326-1

EN 61 000-6-3, EN 55 022, EN 61 326-1

conformity to EMC directive 89/336/EEC

Materials Base

stainless steel (1.4305)

Measuring element

ceramics diaphragm

Cover Aluminium (Al Mg Si1), with silver-grey pow-

der coating

Sealant FPM rubber

Sealing compound Synthetic resin

Fixing bracket AQB22.1 die-cast aluminium

Mounting kitt AQB51.1 see "Accessories"

Dimensions (Weight) Weight (including packaging) 0.31 kg

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