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Air flow sensor SLF 3 :
The airflow sensor contains a sensor element which is sensitive to mechanical loading and
wich must not be touched with hard and pointed objects. Any cleaning that may be
necessary is possible in water (also with addition of detergents). Let the unit drip off and
dry before renewed start-up.
Technical Data SFL 3
Medium temperatur: - 20 ... + 120°C
Compensation behaviour: fast, approx.0.5 s
Installation depth: 35 mm
Mounting: Directly on the air duct with mounting flange
(belongs to the scope of supply)
Installation position: Vertical or horizontal (observe the
flow direction)
Probe tube: Material brass nickel-plated, diameter=10
mm (important for the hole drilled in the air duct)
Connection cable: Three-conductor; 2,5 m in length
Protective cataegory: IP 65
Assembly
The sensor should be mounted in such a way that
the air flow passes through the lateral opening.
The red coloured marking is intended as an
assembly aid. The length of cable between the sensor
and monitoring appliance should not be more than
100 m. If the sensor cable is laid in a conduit with other
cables (e.g. for monitors or solenoid valves), we
recommend the shielding of the sensor cable. The
sensor must be connected with the evaluation unit
corresponding to the adjacted connection diagram.
Incorrect connection leads to faulty operation.
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Airflow monitoring
Installation and operating instructions
PG7
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3 5
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SLF3
FEMA Regelgeräte
Honeywell GmbH ⋅ Postfach 1254 ⋅ 71099 Schönaich
Проектирование. Монтаж. Продажа. - http://vskd.ru
Telefon 07031/637-02 ⋅ Telefax 07031/637-850
r e d d o t
Evaluation unit ASL 453...
The evaluation unit is intended for
switchgear cabinet installation on
standard rails.
Technical data
Operating voltage: 230 V AC or 24 V
AC/DC according to type (see name
plate)
Power consumption: approx. 3 VA
Ambient temperatur: 0 - 60°C
Switching output: 8 A, max. 250 V AC
Switching hysteresis: approx. 2 % of the
total range
Sensitivity: 0.1 ... 20 m/s for air,
adjustable
Probe breakage protection: On
interruption of the probe cables, the
device is switched off, interruption of low
is signalled.
Type of construction: Standard housing
N45
4.0mm
Fixing-Screw
4 5 m m
Flange for SLF 3
(
Max. 100°C, PPS, grey, flame
retardant acc. to DIN 4101B1)
7157 248 / 2
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