Multipoint sampling units

Gasmet Multipoint sampling system (MSS)

The Gasmet MSS is designed for continuous monitoring of multiple measuring points. It’s designed to work as an integral part of the Gasmet FCX measuring system.

The Gasmet MSS is used for on-line measurements. It is an ideal tool to measure components of interest in ambient conditions from several measuring points. The sample pump, valves, filter and sample lines are at ambient temperature and the system can be used to measure gases which are non-condensing.

The Gasmet MSS is built in a wall mounted stainless steel case which includes all valves, a flow meter, a pump and a filter. Standard setup includes four (4) sample gas input lines and one pump. Zero gas, span gas 1 and 2 inputs as well safety air inputs with flow meters are included as a standard. 

The function of the MSS is fully automatic and controlled by the Calcmet software. Sample flow and instrument air pressure alarms are provided.

As an option MSS can be equipped up to 32 sample gas input lines and with a second sample gas pump to reduce the system response time.

 

 

Gasmet Multipoint Sampling System – Heated (MSSH)

The Gasmet MSSH is designed for continuous monitoring of multiple measuring points. It is designed to work as an integral part of the Gasmet CEMS or FCX measuring systems. MSSH unit can be used as sampling system with pump for FCX system or as sample point switching box without pump with CEMS.

The Gasmet MSSH is used for on-line measurements. It is an ideal tool to use for measuring trace concentrations of pollutants in wet, corrosive gas streams. The sample pump, heated filter, and valves can be heated up to 180ºC. MSSH can be used for undiluted gases and the sample gases do not need drying beforehand. The Gasmet MHSS consists of two units; a heated module and a control module. Both modules are wall mounted stainless steel units.

The standard setup includes valves for controlling two (2) sample gas inputs.

Additional features of the MSSH include sample gas pump and sample gas input lines up to 8 pcs. Pump model includes also filter element, flow switch and zero gas (N2), two (2) span gas and instrument air inputs with flow meters.

The control module includes all power connections and temperature controllers for heated lines and heated module. The function of the MSSH is fully automatic and controlled by the Calcmet software.

The Gasmet MSSH is connected to the Gasmet Industrial Computer or FCX analyzer. The sampling unit provides alarm functions such as temperature alarms (sample probe, heated lines and heated module) and a flow alarm. If any of the critical alarms is activated, instrument air starts to flow automatically into the sample cell to prevent condensation.


As an option, the sampling unit can be equipped with sample probes and/or heated lines.

Technical Data

MSS = unheated Multipoint sampling system

MSSH = heated Multipoint sampling system

General parameters
There is no need to dry or dilute the sample gas before Gasmet sampling unit. All parts are at ambient temperature in MSS and heated up to 180 °C to avoid condensation in MSSH
Operating temperature: 20 ± 20 °C, non condensing
Sample gas temperature: Non-condensing (MSS) / 180 °C (MSSH)
Sample gas pressure: Ambient
Cooling: Fan circulation
Power supply:

100-240 VAC / 50 - 60 Hz, 24 VDC 1,3A (MSS)

3 x L+N+PE
Size of the fuses depends on the lengths of the heated lines (MSSH)


 

Sample pump (optional in MSSH)
Material: 316 SS
Diaphragms: Teflon
Flow: ~4.0 l/min
Pressure: 1.5 bars max.
Temperature: Ambient / 180 °C (MSSH)

 

Filter (Heated filter optional in MSSH)
Material: Bonded microfiber (sintered steel 0.1µ as an option)
Gas filtration: Filtration of particulates 0.01 - 2 µm
Temperature: Ambient / 180 °C (MSSH)

 

 Electrical connectors
Power connection:

100-240 VAC / 50 - 60 Hz, 24 VDC 1,3A (MSS)

100-240 VAC / 50 - 60 Hz , Power consumption calculated according to length of the heated input lines (MSSH)

Control: From computer via Ethernet cable. Control logic included into sampling system.

 

Gas connections
All gas connections are Swagelok connectors for 6 mm PTFE or ss-316 tubes.
Gas inputs: Sample gas 1
Sample gas 2
Sample gas 3 (MSS)
Sample gas 4 (MSS)
Span gas 1 (option)
Span gas 2 (option)
Zero gas (option)
Instrument air (option)
Gas outputs: Sample out 1 (to FTIR)
Interferometer purge air (option)

Input connectors on the bottom and output connectors on the right side of the enclosure (MSS)

Sample gas input connectors on the top, Calibration / test gas inputs on the bottom and output connectors on the left side of the enclosure (MSSH)

 

 Valves (in MSS)
The Gasmet MSS sampling unit includes automatic 3-way solenoid valves for all gas inlets. The function is controlled by Calcmet software
Solenoid valves: Bürkert 6012
Pressure: 0 - 10 bars (maximum)

 

Valves (in MSSH)
The Gasmet MSSH includes automatic solenoid 3-way valves for gas inlets:
Heated valves:
Pressure: 2 bars (maximum)
Temperature: 180 ºC maximum
Valves: Sample gas 1-8, Sample gas / Calibration
Non-heated valves (option):
Pressure: 4 bars (maximum)
Valves: Calibration / Safety valve
Span 1 valve
Span 2 valve

 

Temperature controllers (in MSSH)
The control module includes temperature controllers for heated module and for three heated lines.
Temperature range: 0 – 180 ºC
Display: Digital, 3 digits

 

Alarms (in MSSH)
Alarms provided if all options selected.
Alarm outputs: Probe temperature (combined)
Heated module
Line temperature
Flow alarm
Control inputs: Pump
Zero Gas
Calibration / Safety valve
Span 1 valve
Span 2 valve

 

 Flow meters (optional in MSSH)
The Gasmet MSS sampling unit includes adjustable flow meters for unheated gases.
4 l/min: Safety air
Zero gas
Span 1 and 2 gas to sample out
0.5 l/min: Interferometer purge


 

 Flow switch (optional in MSSH)
The Gasmet MSS includes flow switch for sample gas flow.
Flow switch: CTE-LPH-125
Alarm limit: Sample gas flow < 0.7 l/min


 

Options in MSS
Sample gas inputs: 4 pcs input kit, up to 32 input lines
Sample pump II: Second sample pump to reduce the response time. Second pump is used to pump all other lines which are not used for analyse.
Specification same as with standard pump
Vortex cooling: Cooling capacity 270 W (air 7 bar, 21 ºC, dewpoint –40 ºC)
Air consumption 425 Nl/min, max
Air pressure 7-10 bar
temperature + 43 ºC, max.
dewpoint –40 ºC

 

Options in MSSH
Sample gas inputs: Input lines up to 8 lines
Vortex cooling: Cooling capacity 270 W (air 7 bars, 21 ºC, dewpoint –40 ºC)
Air consumption 425 Nl/min, max
Air pressure 7-10 bars
temperature + 43 ºC, maximum
dewpoint –40 ºC

 

Enclosure
Material: Stainless steel
Dimensions (mm): 600 * 400 * 250 (MSS) / 700 * 1000 * 250 (MSSH)
Weight: 50 kg (MSS) / 60 kg (MSSH)
Protection: IP 54 (MSSH)
CE label: According to EMI guideline 89/336/EC


Gasmet Technologies Oy shall not be liable for technical or editorial errors or omissions contained herein. The information in this document is provided “as is” without warranty of any kind and is subject to change without notice. Should you find any errors, we would appreciate if you notified us.

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