Evikon E2615-NO2 Manuale utente
Nitrogen Dioxide Transmitter
E2615-NO2
User Manual
E2615-NO2Rev 24.08.2022
Table of contents
Nitrogen Dioxide 4
Specifications 5
Product description 6
Safety requirements 6
Operating conditions 6
Installation guidelines 6
Mounting dimensions 8
Electrical connections 9
Operation 10
Maintenance 10
Calibration 10
Delivery set 11
Order code for E2615-NO2 options 11
Warranty 12
Manufacturer contacts 12
2
E2615-NO2Rev 24.08.2022
Nitrogen Dioxide
A Colorless toxic gas, relatively insoluble in water. When exposed to oxygen (including air),
nitric oxide is converted into nitrogen dioxide.
Chemical formula
NO2
Molar weight
46
Relative gas density (to air)
1.59
Conversion
1 ppm = 1.88 mg/m3
Boiling point
21.2 °C
Flammability
Powerful oxidize, can cause many organic substances
(wood, paper, oil, etc) to ignite.
Irritates the skin, eyes, and respiratory tract. Exposure to
levels above 100 ppm can cause death due to
asphyxiation from fluid in the lungs. There are often no
symptoms at the time of exposure other than a
transient cough, fatigue, or nausea, but over hours
inflammation in the lungs causes edema.
Odor
Characteristic pungent odor
Odor threshold
0.1 to 0.4 ppm
Hazards
Irritates the respiratory tract and eyes, at high
concentrations may cause lung edema and death.
Exposure limits
(NIOSH)
ST REL
1.88 mg/m3/ 1 ppm
IDLH
37.6 mg/m3/20 ppm
Conversion of ppm to mg/m3is calculated for 25°C and 1 atm.
3
E2615-NO2Rev 24.08.2022
Specifications
Sensor type
Electrochemical cell
Sampling method
Diffusion
Detection range
0-30 ppm
Max. overload
150 ppm
Response time T90
≤ 25 s
Sensor lifetime
≥ 2 years
Calibration interval
6 months
Sensitivity drift
< ± 20% in 5 years
Power supply
24 VDC ± 20%
Power consumption
< 1 W
Analog outputs
4-20 mA / 0-10 V, user settable
Outdoor enclosure
Grey ABS plastic,
wall mount, protection class IP65
Indoor enclosure
White, ivory, or black ABS plastic,
wall mount, protection class IP20
Dimensions
IP65 H70 × W80 × D36 mm
IP20 H71 × W71 × D27 mm
CE marking
According to 2014/30/EU and 2014/35/EU , EN 50491-4-1:2012
EN61000-6-3:2007, EN 61326-1:2013(EMC, emissions)
EN 61000-6-1:2019, EN 61000-6-2:2019(EMC, Immunity)
EN 60079-29-1:2016, EN 60079-29-2:2015 and EN 60079-29-3:2014
Operating conditions
-20...+50 °C
15...90 %RH,
pressure 0,9...1,1 atm
Explosion safe indoor areas
Avoid strong mechanical shock, vibrations, or EMI
4
E2615-NO2Rev 24.08.2022
Product description
E2615 series gas transmitters are easy-to-install and easy-to-use instruments. The devices
utilize novel fully calibrated gas sensors with excellent repeatability, stability, and long
lifetime.
E2615 series provides analog output with user-selectable signal type, 4-20 mA or 0-10 V.
The version of your transmitter is marked on the package. If the symbol
⚠
is marked on
the equipment, consult the documentation for further information.
Safety requirements
Misuse will impair the protection of the product. Always adhere to the safety provisions
applicable in the country of use.
Do not perform any maintenance operation with the power on. Do not let water or foreign
objects inside the device.
Removal of the PCB from the enclosure voids the warranty. Do not touch the electronic
components directly, as they are sensitive to static electricity.
Connection diagrams can be found in the electrical connections section. The device might
not perform correctly or be damaged if the wrong power supply is connected.
External circuits connected to the equipment should have sufficient insulation rating
according to the environmental conditions and equipment power.
A disconnecting device that is marked as such and easily accessible should be included in
the installation of this product.
Operating conditions
The device should be used both in a non-hazardous area and in a basic electromagnetic
environment, where the latter is defined in EN 61326-1. Avoid strong mechanical shock and
vibrations. Avoid corrosive atmosphere and areas highly contaminated with dust, oil mist,
etc. Keep the instrument away from direct sunlight. A sudden temperature or humidity
change might affect the sensitivity of the sensor.
5
E2615-NO2Rev 24.08.2022
Installation guidelines
Before proceeding with the installation it is mandatory to read the Safety requirements
section and make sure to comply with all listed instructions. Installation standards EN
60079-29-2 and EN 45544-4 are also recommended for further instructions and related
information about the installation. During the installation of the transmitter the following
points must be considered:
●Application (the instrument is intended for air quality or leakage control.)
●Properties of the space under investigation (room geometry, direction, and
velocity of airflows, etc.),
●Nitrogen dioxide is ca. 1.6 times heavier than air. The location of the sensor is
determined by operating conditions. Thus, in the underground parking, the NO2
rises to the ceiling with hot exhaustion gases, so the sensor should be located at
1.2...1.5 m from the floor in order to detect potentially dangerous concentrations
more quickly.
●The device should be accessible for maintenance / calibration.
The aforementioned conditions above will affect the coverage area of the device. However,
the coverage area for a transmitter is usually between 2.5 to 5 meters radius.
For early leakage detection, install the transmitter as close as possible to the potential
leakage sources (flanges, valves, pressure reducers, pumps, etc.), taking into consideration
other points listed above.
For general area monitoring without definite leakage sources, the transmitters should be
distributed evenly in the room.
For personal safety control, the transmitters are installed in the breathing zone (at the
height of the head of people or animals). The recommended sensor position is vertical,
pointing downwards.
For installing the IP65 device, attach the device to the wall using provided screws through
the key slots on both sides of the device. For installing the IP20 device, detach the base of
the enclosure by gently pulling along four guiding pins and attach the base to the wall with
two screws.
6
E2615-NO2Rev 24.08.2022
Mounting dimensions
The IP65 instrument sensor is equipped with a hydrophobic microporous PTFE filter to
protect the sensor from dust, dirt, and water drops.
NOTE! Never stab or press the filter near its center where the sensor is located since this
may damage the sensor. Do not remove the filter as it may cause the device to show
incorrect values.
7
E2615-NO2Rev 24.08.2022
Electrical connections
The terminals on the E2615 series devices are suitable for a wide range of wires with a
cross-section of 0.2...1.5 mm2. We recommend to strip the wire end by 8...9 mm and use
wire end sleeves.
To connect the wire, loosen the screw, insert the wire end into the terminal hole and tighten
the screw.
The analog output can be changed between 4-20 mA and 0-10 V type using jumper on the
transmitter’s PCB.
8
E2615-NO2Rev 24.08.2022
Operation
Turn on the power. The instrument warm-up time takes about 1 minute after switching on
and the final sensor stabilization time to maximum accuracy takes about 30 minutes.
Make sure that the transmitter is properly mounted and the external devices connected.
Place the lid back and fix it with the screws. The device is ready to use.
Maintenance
Do not perform any maintenance operation with the power on.
Clean the device with a soft damp cloth. Do not use any abrasive cleaning agents. Do not
immerse the device in water or any cleaning media.
Calibration
E2615-NO2transmitters have been calibrated by the Manufacturer with standard gas
mixtures before delivery. Provided that the sensor is used under moderate conditions, field
recalibration is recommended every 6 months. Please contact your dealer for more
information.
9
E2615-NO2Rev 24.08.2022
Delivery set
●Transmitter E2615
●Mounting accessories:
○2 screws with plastic dowels
Order code for E2615-NO2options
E2615 options
Order code
IP20 enclosure
E2615-NO2-IP20
IP65 enclosure
E2615-NO2-IP65
10
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