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HCF100 fiches techniques PDF

Duomo - Sensor

Numéro de référence HCF100
Description Sensor
Fabricant Duomo 
Logo Duomo 





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HCF100 fiche technique
HCF100 Sensor
Microprocessor control
4 - 20 mA signal
IP55 enclosure
Sintered head
Semiconductor sensor technology
Sensor active indicator
Auto calibration
For use with Freon R134a*
Main alarm relay output
Application
Duomo is recognised within the gas industry for
providing a comprehensive range of low cost, high
reliability gas detection for many applications. We
have installed and commissioned natural gas and
carbon monoxide sensors in applications such as
boiler rooms, kitchens, car parks, aircraft hangers,
factories and shopping centres. The HCF100 is the
freon gas sensor used with the complete range of
Duomo detector panels. All Duomo products are
manufactured to meet relevant European
Normatives and proposals for explosive and toxic
gases.
Operation
When the HCF100 senses the presence of freon gas
it sends a 4 - 20mA signal to the detector
proportional to the level of gas. The detector then
operates a pre-alarm relay used for remote sirens or
visual indicators if the level of gas continues to rise.
The main alarm relay is activated to break the
electrical supply to a safety shut off valve, and is
fixed at 300ppm of freon R134a.
Features
The HCF100 is controlled by a microprocessor. This
conducts both self diagnostics and automatically
calibrates the sensor when ambient conditions vary,
thus avoiding false alarms. A hand-held datalogger
can be connected to the HCF100 and information
about the sensor can be read and printed out i.e.:
the serial number
the sensor condition
how many times the sensor has been powered up
how many alarms have occurred
date of manufacture
present temperature of the device
the preset calibration state
* The HCF100 can be configured to work with a
large number of freon gases. Contact us to find out
more.
CAUTION! Carefully read the following instructions
prior to installation of this device. Always keep this
pamphlet for future reference. Ensure that the gas
detection system is wired correctly and is only used
for the purpose for which it is intended.
i DO NOT TEST THIS SENSOR WITH ANYTHING OTHER THAN
DUOMO TEST GAS. Concentrations above this will damage the
sensor and shorten sensor life.
w: www.duomo.co.uk - e: [email protected] - t: 01905 797989 - f: 01905 774296 | © Duomo (UK) Ltd. 2007
Free Datasheet http://www.Datasheet4U.com

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