The VOC72M is a portable gas chromatography instrument that can measure volatile organic compounds like benzene, toluene, and xylene in ambient air. It works by sampling air onto an adsorption trap, thermally desorbing the compounds into a gas chromatography column for separation, and detecting the compounds with a photoionization detector. The instrument performs fully automated sampling, analysis, and data processing in cycles as short as 10 minutes. It provides sensitive and stable measurements that meet regulatory standards for ambient air monitoring of volatile organic compounds.
For efficient control of combustion and drying processes
Simultaneous or as individual measurement: the GM35 gas analyzer measures CO2, H2O and CO, or N2O, as well temperature and pressure – and it does this reliably, quickly, and economically. As an in-situ gas analyzer, the GM35 detects these gas components directly in the gas stream without gas sampling. Reliability, precision, and short response time of the GM35 offer a key advantage for efficient control loops in all CO and CO2-generating processes.
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For efficient control of combustion and drying processes
Simultaneous or as individual measurement: the GM35 gas analyzer measures CO2, H2O and CO, or N2O, as well temperature and pressure – and it does this reliably, quickly, and economically. As an in-situ gas analyzer, the GM35 detects these gas components directly in the gas stream without gas sampling. Reliability, precision, and short response time of the GM35 offer a key advantage for efficient control loops in all CO and CO2-generating processes.
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MRU Nova Plus Emissions Analyzer | Portable Flue Gas AnalyzerDiamond Scientific
MRU Novaplus is a portable flue gas analyzer for up to 9 gas emission measurements calculations Including Mg/M3, NO(X) As Mg/M3 NO2, True Measurement Of NO(X) = NO + NO2. Request FREE Quote
MRU SWG 100 Fixed Biogas Analyzer is the rugged industrial analyzer to use with biogas & biomethane plants, landfill, water treatment as well as coal seam gas sites. Request a FREE quote today.
Meet the demanding needs of high-purity water measurements and high-acid cation exchange applications with the Thermo Scientific™ Orion™ 2111XP Sodium Analyzer. This system offers unmatched reliability in analyzing critical sample streams throughout the power/steam generation and industrial water industry. It is an all-in-one system from one of the most trusted names in sodium monitoring.
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Easy line EL3000 series ABB CEMS Datasheet-continuous gas analyzers - ABB - Envimart JSC - www.envimart.vn - ĐT: 028 77727979 - sales@envimart.vn - Nền tảng cung cấp thiết bị, vật tư ngành nước và môi trường.
Organic Elemental Analyzer “OEA” is a simultaneous
technique to determination of :-
Carbon,
Hydrogen,
Nitrogen,
Sulfur.
contained in organic and inorganic materials.
in solid, liquid, and gas forms.
MRU Nova Plus Emissions Analyzer | Portable Flue Gas AnalyzerDiamond Scientific
MRU Novaplus is a portable flue gas analyzer for up to 9 gas emission measurements calculations Including Mg/M3, NO(X) As Mg/M3 NO2, True Measurement Of NO(X) = NO + NO2. Request FREE Quote
MRU SWG 100 Fixed Biogas Analyzer is the rugged industrial analyzer to use with biogas & biomethane plants, landfill, water treatment as well as coal seam gas sites. Request a FREE quote today.
Meet the demanding needs of high-purity water measurements and high-acid cation exchange applications with the Thermo Scientific™ Orion™ 2111XP Sodium Analyzer. This system offers unmatched reliability in analyzing critical sample streams throughout the power/steam generation and industrial water industry. It is an all-in-one system from one of the most trusted names in sodium monitoring.
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Easy line EL3000 series ABB CEMS Datasheet-continuous gas analyzers - ABB - Envimart JSC - www.envimart.vn - ĐT: 028 77727979 - sales@envimart.vn - Nền tảng cung cấp thiết bị, vật tư ngành nước và môi trường.
Organic Elemental Analyzer “OEA” is a simultaneous
technique to determination of :-
Carbon,
Hydrogen,
Nitrogen,
Sulfur.
contained in organic and inorganic materials.
in solid, liquid, and gas forms.
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This presentation covers meaning,definiton,characteristics & types of enrepreneur & meaning of entrepreneurship,its dimensions,classification of corporate entrepreneurship & factors affecting development of entrepreneurship
Direct Mercury Analyzer for analysis of liquid, solid and gaseous samples
DMA which uses the principle of thermal decomposition, amalgamation and atomic absorption.
The DMA-80 can analyze solid, liquid and gas matrices with equal precision.
All mercury is released from the sample through thermal decomposition.
This eliminates the need for any sample preparation.
Ceraliquid CPS41 and CPS41D with ceramic diaphragm and liquid KCl electrolyte, optional built-in temperature sensor. Email: lam.nguyen@vietan-enviro.com HP: 0945 29329
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Oxymax cos51 d endress+hauser datasheet-measurement of the dissolved oxygen - Endress+Hauser - Envimart JSC - www.envimart.vn - ĐT: 028 77727979 - sales@envimart.vn - Nền tảng cung cấp thiết bị, vật tư ngành nước và môi trường.
Digital sensor for measuring dissolved oxygen. Longterm-stable sensor for water and wastewater applications. . Email: lam.nguyen@vietan-enviro.com HP: 0945 293292
Gas Chromatography Thermo Fisher ScientificYuniarHasani
What is Chromatography?
Separation process that is achieved by distributing the analytes to be separated
between a mobile phase and a stationary phase.
Sample transported by mobile phase
Some components in sample interact more strongly with stationary phase
and are more strongly retained
The Hone Flashar is a completely automated process stream analyser for measuring flash points.
With a low temperature catalytic detection method to increase reliability as well as exceeding the ASTM method the Flashar is the ideal solution for your Flash point needs.
The Serinus 40 Oxides of Nitrogen analyser delivers precise and reliable performance at excellent value. It uses proven chemiluminescence technology to measure NO, NO2 and NOx in ambient air (LDL <0.4 ppb, range 0-20 ppm).
The Serinus 40 Oxides of Nitrogen analyser delivers precise and reliable performance at excellent value. It uses proven chemiluminescence technology to measure NO, NO2 and NOx in ambient air (LDL <0.4 ppb, range 0-20 ppm).
The Oxymitter™ 4000 In Situ Oxygen Transmitter is the world's first in situ, zirconium oxide-based oxygen transmitter for flue gas measurement with an explosion-proof rating. These oxygen measurements can be used in a control system or by a boiler operator to fine tune burner fuel/air ratios for maximum efficiency.
Learn about a1-cbiss' refrigeration solutions that cover everything from refrigerant leak detection and monitoring through to emissions control in this brochure
Ideal for oil exploration and extraction the MSA Ultrasonic Gas Detector offers a wide range of detection information. Find out more in this datasheet prepared by gas detection specialists a1-cbiss.
1. VOC72M
Gas Chromatography Volatile Organic
Compounds (BTEX) Analyser
The VOC72M provides equal performance
to the laboratory chromatographs and is
particularly well-suited for fixed or mobile
ambient air quality monitoring stations.
KEYBENEFITS
•
Portable and Fixed Ambient Air Quality Monitoring
The VOC72M’s metrology, in accordance with EN 14662-3 standard for
Remote diagnosis, made possible
benzene measurement, is based on gas chromatography (GC)
without opening the hood
•
for the separation of the measured compounds coupled with a
Robust and low maintenance
photo-ionization detector (PID).
instrument, (no PID lamp cleaning)
•
High sensitivity, stable and linear
response PID detector
•
•
Compact & Fully Automated
Ready to use in less than 30 minutes, the VOC72M performs
sampling, analysis and data management, in a simple and completely
3 levels of built-in security
autonomous mod.
On board web server
View Diagnostics & Peaks Without a PC
The VOC72M utilises the use of a memory effect (up to 10 times lower
Benzene
Toluene
m+pXylene
o-Xylene
Ethylbenzene
than required by the standard EN14662-3) allowing the automatic
calibration of the analyser on a single cycle without an external PC. A
quick check of the screen indicates the chromatogram peaks.
“
Portable & fixed measurement
of ambient air in accordance
with EN 14662-3
“
COMPOUNDSMEASURED
2. TECHNICALSPECIFICATION
OPERATINGPRINCIPLE
PERFORMANCE
• Measured compounds: Benzene, Toluene, Ethylbenzene,
m+p-Xylene, o-Xylene (other compounds on request)
• Cycle duration: 10, 12, 15, 20, 30 minutes
• Gas supply: Nitrogen 6.0 (99.9999%)
MEASUREMENT RANGES
• Measuring ranges: maximum 1000μg/m3(programmable)
• Units: ppb or μg/m3 (programmable)
• Measuring noise (s): ≤0.025μg/m3 at 0.5μg/m3 benzene
• Lower detectable limit (2s): ≤0.05μg/m3 benzene
CAPABILITIES
• Carry-over (memory effect): ≤0.5% on the first zero
• Long-term span drift: ≤4% on 15 days
• Repeatability standard deviation: ≤0.05μg/m3 at 5μg/m3
benzene
• Sample flow: 50ml/minute
• Sampling temperature: 35°C
• Desorption temperature / heating rate: 380°C
(programmable) / > 160°C/second
The VOC72M performs three main functions: the sampling,
the GC analysis and the data processing
SAMPLING
The sampling is achieved with a single trap filled with a specific
sorbent. Its flow through the trap is about 12 ml/min which gives
a sampled volume of 165 ml with the standard 15 minute cycle
(sampling time >90% of cycle time). Other cycle durations are
possible from 10 to 30 minutes. A bypass flow of 35 ml/min is added
in order to maintain a sample input flow when the trap is not
sampling.
GC ANALYSIS
At the end of the sampling cycle, the trap is connected to the GC
column and quickly heated (35 to 380°C within 2 seconds). The
compounds are thermally desorbed and flushed with nitrogen into
the GC column. Then the trap is quickly cooled with a fan for a new
sampling cycle. Inside the GC column, the compounds are moved
forward by the nitrogen flow (the mobile phase) and retained
by the internal coating (the stationary phase) causing a selective
retardation of the compounds. In order to achieve an optimal
separation within a minimal time, the GC column follows a multi ramp thermal cycle from a cold step (25°C) for the injection
to a hot step (160°C) for flushing all the heavy compounds (i.e.
compounds with a high boiling point). At the end of the hot step,
POWER
the GC column is cooled to the cold step for the next
• Serial link: RS232 or RS422
• Ethernet port: RJ45 socket, UDP protocol
• USB: port USB socket format 1.0
• Power supply: 100–240V + ground ; 50–60Hz
injection. The GC column output is connected to a photo ionization
OPTIONAL
DATA PROCESSING
• ESTEL electronic board with: 4 independent analog inputs
detector where the compound concentration is converted into a
small electric signal. This signal is amplified and digitized in the
electrometer board. The time recording of this signal gives the
chromatogram which exhibits a peak for each detected compound.
The ARM7 board processes the chromatogram. When a peak
(0-2.5 V) / outputs (0-1 V, 0-10 V, 0-20 mA, 4-20 mA), 4
retention time falls into a compound retention time window
remote control inputs, 6 dry contacts
(typically ± 2 seconds), this peak is identified as the compound. The
PHYSICAL
• Dimensions: 601 mm x 483 mm x 133 mm (LxWxH)
• Weight: 12.5 kg
peak area is corrected with a volume calculation (based on the trap
pressure during the sampling) and the atmospheric
pressure compensation for the detector response. The corrected
area, multiplied by the compound response factor, gives the
compound’s concentration.
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