Evikon PluraSens E2608-PID Manuale utente
PluraSens®
Solvent Vapor Detector-Transmitter
E2608-PID
User Manual
E2608-PID Rev 05.03.2021
Table of contents
Acetone 4
Benzene 5
Ethanol 6
Ethyl acetate 7
Toluene 8
Xylene 9
Specifications 10
Product description 12
Safety requirements 12
PID (photoionization detector) technology 13
Operating conditions 13
Installation guidelines 14
Wall mount version 14
Duct mount version 14
Mounting dimensions 15
Sensor probe handling 16
Gas sensor replacement procedures 16
Electrical connections 17
Operation 18
Properties of VOC: ionization energy, the correction factor 19
Calibration and maintenance 28
Delivery set 32
Order code for E2608-PID options 32
Configuring 33
Return to default settings 33
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E2608-PID Rev 05.03.2021
Acetone
A colorless organic solvent with a characteristic pungent odor that is volatile and
flammable with the chemical formula (CH3)2CO.
Synonyms/Trade Names: Dimethyl ketone, Ketone propane, 2-Propanone.
Chemical formula
(CH3)2CO
Molar weight
58
Relative gas density (to air)
2.0
Conversion*
1 ppm = 2.38 mg/m3
Boiling point
56.11 °C
Low explosive limit (LEL), % vol. in air
2.5
Upper explosive limit (UEL), % vol. in air
12.8
Odor
Characteristic pungent smell
Hazards
Highly flammable.
Slightly toxic in normal use. Irritant causing mild skin
irritation and moderate to severe eye irritation. At high
vapor concentrations, it may depress the CNS.
Exposure limits
8 hours
(2000/39/EC)
1900 mg/m3/ 500 ppm
NIOSH REL TWA
590 mg/m3/250 ppm
IDLH (NIOSH)
2500 ppm [10%LEL]
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E2608-PID Rev 05.03.2021
Benzene
A colorless liquid with an aromatic odor that is highly flammable with the molecular
formula C6H6.
Synonyms/Trade Names: Benzol, Phenyl hydride.
Chemical formula
C6H6
Molar weight
78
Relative gas density (to air)
2.69
Conversion*
1 ppm = 3.19 mg/m3
Boiling point
80 °C
Low explosive limit (LEL), % vol. in air
1.2
Upper explosive limit (UEL), % vol. in air
7.8
Odor
Hyacinth-like odor
Hazards
Highly flammable.
Irritant. Carcinogen.
May cause dizziness; headache, nausea, staggering
gait; anorexia, lassitude.
Target organs: eyes, skin, respiratory system, blood,
central nervous system, bone marrow.
Exposure limits
(NIOSH REL)
Ca TWA
0.319 mg/m3/0.1 ppm
STEL
15 minutes
1 ppm
Ca IDLH
500 ppm
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E2608-PID Rev 05.03.2021
Ethanol
A clear colorless liquid with a faintly sweet odor and pungent taste.
Synonyms/Trade Names: ethyl, alcohol.
Chemical formula
CH3CH2OH
Molar weight
46
Relative gas density (to air)
1,59
Conversion*
1 ppm = 1.89 mg/m3
Boiling point
78.37°C
Low explosive limit (LEL), % vol. in air
3 - 3.3
Upper explosive limit (UEL), % vol. in air
19
Odor
The characteristic smell of alcohol
Hazards
Highly flammable.
Gas/air mixtures are explosive.
Inhalation of vapors leads to cough, headache, fatigue,
and drowsiness. High concentrations may damage the
fetus. Repeated high exposure may affect the liver and
the nervous system.
Exposure limits
according to
Commission
Directive 2006/15/EC
TWA
8 hours
1210 mg/m3/ 1000 ppm
STEL
15 minutes
-
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E2608-PID Rev 05.03.2021
Ethyl acetate
A colorless organic compound with a sweet pear-like smell that is highly flammable.
Synonyms/Trade Names: ethyl ester, acetic ester, EA, EtOAc.
Chemical formula
C4H8O2
Molar weight
88
Conversion*
1 ppm = 3.60 mg/m3
Boiling point
77.1 °C
Low explosive limit (LEL), % vol.
in air
2
Upper explosive limit (UEL), %
vol. in air
11.5
Odor
Sweet “pear” smell
Hazards
Flammable.
Short-term exposure to high levels of ethyl acetate results first in
irritation of the eyes, nose, and throat, followed by headache,
nausea, vomiting, sleepiness, and unconsciousness.
Exposure limits
(NIOSH)
TWA
8 hours
1400 mg/m3/400 ppm
IDLH
2000 ppm [10%LEL]
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E2608-PID Rev 05.03.2021
Toluene
A clear, colorless liquid with a sweet smell that is highly flammable.
Synonyms/Trade Names: methylbenzene, phenylmethane.
Chemical formula
C6H5CH3
Molar weight
92
Conversion*
1 ppm = 3.77 mg/m3
Boiling point
110.7°C
Low explosive limit (LEL), % vol.
in air
1.1 - 1.27
Upper explosive limit (UEL), %
vol. in air
6.75–7.1
Odor
Characteristic “chemical” smell
Hazards
Highly flammable.
Gas/air mixtures are explosive.
Inhalation possible effects: irritation eyes, nose; lassitude
(weakness, exhaustion), confusion, euphoria, dizziness,
headache; dilated pupils, lacrimation (discharge of tears); anxiety,
muscle fatigue, insomnia; paraesthesia; dermatitis; liver, kidney
damage
Exposure limits
according to
Commission
Directive
2006/15/EC
TWA
192 mg/mm3/ 50 ppm
STEL
384 mg/mm3/ 100 ppm
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E2608-PID Rev 05.03.2021
Xylene
A colorless, flammable liquid with a chemical smell. Xylenes are produced by the
methylation of toluene and benzene.
The term is used for any of three isomers of dimethylbenzene, or a combination thereof.
Synonyms/Trade Names: xylol, dimethylbenzene.
Chemical formula
C6H4(CH3)2
Isomers
ortho-xylene meta-xylene para-xylene
Molar weight
106
Conversion*
1 ppm = 4.34 mg/m3
Boiling point
144.4 °C
139 °C
138.35 °C
Low explosive limit (LEL), % vol.
in air
0.9 - 1.1
Upper explosive limit (UEL), % vol.
in air
6.0–7.0
Odor
Characteristic “chemical” smell
Hazards
Flammable.
Inhaling can cause dizziness, headache, drowsiness, and nausea.
Exposure limits
according to
Commission
Directive
2000/39/EC
TWA
8 hours
221 mg/mm3/ 50 ppm
STEL
15 minutes
442 mg/mm3/ 100 ppm
Conversion of ppm to mg/m3is calculated for 25°C and 1 atm.
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E2608-PID Rev 05.03.2021
Specifications
Detected gases
VOCs with ionisation potential < 10.6 eV
Sampling method
Diffusion
Sensor type
Photoionization detector
Calibration
Isobutylene
Order code
E2608-PID-40
E2608-PID-200
Typical detection
ranges
0...40 ppm (isobutylene)
0...200 ppm (isobutylene)
Resolution / digital unit
1 ppb
1 ppm
Response time T90
< 3 s
Sensor lifetime
5 years
Calibration interval
Monthly or more frequently depending on operating conditions
Signal update
Every 1 second
Load resistance
RL< (Us - 2 V) / 22 mA for 4-20 mA
RL> 250 kOhm for 0-10 V mode
Digital interface
RS485, Modbus RTU protocol
No galvanic isolation
Power supply
11...30 VDC (default),
24 VAC or 90...265 VAC as options
Power consumption
< 2 VA
Analog outputs
2 × 4-20 mA / 0-10 V, user settable
Outputs assignment
OUT1: Gas; OUT2: Gas
Relay outputs
2 × SPST, max 5 A, 30 VDC / 250 VAC
Alarm setpoints
Determined by the user within 5-95% of the detection range
Cable connections
Screwless spring-loaded terminals
Enclosure
Light beige ABS, wall mount, protection class IP65
Dimensions
H87 × W82 × D55 mm
CE marking
According to 2014/30/EU and 2014/35/EU, EN 50491-4-1:2012
EN 61000-6-3:2020, 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
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