Produced by:
P.IVA 03543100170
via Miglioli, 47 - 20054 Segrate (MI), Italy
Tel.+39 02 26922890
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via Miglioli, 47 - 20054 Segrate (MI), Italy
Tel.+39 02 26922890
1249AN400 Flammable gas analyzer
The unit has been planned to be a control and prevention system against dangerous,coming from the presence of flammable mixtures in combustion chamber before a burner is switched on. Sensor used is of catalytic-combustion ty… See more...
The unit has been planned to be a control and prevention system against dangerous,coming from the presence of flammable mixtures in combustion chamber before a burner is switched on.
Sensor used is of catalytic-combustion type and it is placed in a sintered explosion-proof filter certified CESI Ex-d-IIC-T6.
The system is also equipped with an electro-valve and a timer which are so configured to start the sensor washing by clean air at the end of every analysis cycle.
The analysis can only take place if burners are off.
Whenever explosive gas is detected, a pre-alarm relay is firstly actuated, then a stop relay prevents the burner from being switched on.
It is also possible to connect this unit to an AN750 one if required.
Standard Specifications
Power supply: 110÷230VCA (-15/+10%) / 50÷60Hz (±5%)
Power Consumption: Max. 1.6A at 110Vac / 1A at 230Vac
Display: Graphic display
Current Output: 4÷20mA linear (corresponding to the measurement range)
Pre-alarm Output 1: Relay normally energized with clean contacts
Pre-alarm Output 2: Relay normally energized with clean contacts
Alarm (Shutdown) Output: Relay normally energized with clean contacts
Fault Output: Relay normally energized with clean contacts
Number of Installed Sensors: From 1 to 4 sensors
Response Time: T90 < 90 seconds (with 5 meters suction tube); T90 < 120 seconds (with 10 meters suction tube)
Storage Temperature/Humidity: -20 ÷ +55°C / 5 ÷ 95% RH non-condensing
Replaceable Sensor Cartridge
Repeatability: 5% of the signal
Sensor Resolution: ±1%
Accuracy: ±4% (up to 60%)
Linearity: Up to 60%
Long-Term Drift in Clean Air: < ±4% per year
Operating Temperature/Humidity: -10 ÷ +50°C / 10 ÷ 90% RH non-condensing
Protection Rating: IP66 (with appropriate cable glands)
External Dimensions: 400 x 500 x 206 mm
Weight: Approximately 20 kg
Options
AN401EA-H - NH3 - 300 ppm
AN401EC-H - CO - 300 ppm
AN401EH - H2N - 100 ppm
AN401EHCN - HCN - 10 ppm
AN401EN - NO - 300 ppm
AN401EN2 - NO2 - 30 ppm
AN401EO - O2 - 25%
AN401ES - SO2 - 20 ppm
AN401IC2 - CO2 - 5%
AN401IC2-H - CO2 - 5,000 ppm
AN401IX - flammable gases on request
AN401PM - CH4 - 100%
AN401PX-H - flammable gases on request - 100%
AN402EC-H - CO+CO - 300 ppm
AN402EC-H.V1 - CO+CO - 100 ppm
AN402IC2+O2.V1 - CO2+O2 - 20,000 ppm - 25%
AN402IX - flammable gases on request - 100%
AN402PM - CH4 + CH4 - 100%
AN402PM+EO - CH4+O2 - 100% - 25%
AN402PX-H - flammable gases on request - 100%
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AN400 Flammable gas analyzerimages/zoo/AN400_Front.jpg<p>The unit has been planned to be a control and prevention system against dangerous,coming from the presence of flammable mixtures in combustion chamber before a burner is switched on.<br />Sensor used is of catalytic-combustion type and it is placed in a sintered explosion-proof filter certified CESI Ex-d-IIC-T6.<br />The system is also equipped with an electro-valve and a timer which are so configured to start the sensor washing by clean air at the end of every analysis cycle.<br />The analysis can only take place if burners are off.<br />Whenever explosive gas is detected, a pre-alarm relay is firstly actuated, then a stop relay prevents the burner from being switched on.<br />It is also possible to connect this unit to an AN750 one if required.</p>Sampling gas detector// Code example
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