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Produced by:

P.IVA 03543100170
via Miglioli, 47 - 20054 Segrate (MI), Italy
Tel.+39 02 26922890
info@tecnocontrol.it

AN410 Toxic gas and oxygen sensor unit

This unit was designed to control and prevent hazards associated with the presence of toxic atmosphere in all applications where forced ventilation or devices not at ambient temperature, such as ovens, cold-rooms and combustion chambers, make it impossible to use traditional systems. The unit is often used to monitor industrial processes and protect many work environments where there is a risk of toxicity. The sensor comprises an electrochemical cell with replaceable cartridge and is housed in an ATEX CESI Exd IIC T6 certified sintered explosion-proof filter. The unit has an automatic washing system, an input for enabling or disabling analysis, and a flow control switch with alarm. The pre-alarm relay and then the alarm relay are triggered when flammable gases are detected. There is also a 4-20 mA output for connecting the unit to external gas plants.

Standard Specifications

Power supply 230 Vac (-15/+10%) – 50 Hz (± 10%)
Consumption at 230Vac 40 VA Max
Output 4÷20 mA linear
Load resistor 200 ohm Max
Pre-alarm 1 relay Normally energized relay with dry contacts C-NA
Pre-alarm 2 relay Normally energized relay with dry contacts C-NC
Block output (alarm) Normally energized relay with dry contacts C-NC
Fault output Normally energized relay with dry contacts C-NC
Output relay 3A at 230V
Sensor Electrochemical
Cartridge Sensor Replaceable
Rating IP IP55
Operation Pressure Atmosferica ±10%
Storage Temp 0 ÷ + 20 °C
Storage Humidity 5 ÷ 95 % RH non condensed
Size mm (H x L x W) 400 x 500 x 200 mm
Weight 25 Kg

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