Fantini Cosmi S85 Handleiding

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20

100

2 fori

Ø

8

45°

82

93

164

S84 - S85 - S86

Gas detection probes certified with ATEX, 4- 20mA,

for control units P81 and P82

Combustible gas detection probes, certified with ATEX II 2G Ex d IIC T6, to be used with the electronic control units

P81 and P82. The probes are available in 3 versions: S84 for methane gas and city gas, S85 for LPG and S86 for

carbon monoxide.

ELECTRICAL CHARACTERISTICS

Power supply: 11 ÷ 28Vdc.

Absorption: maximum 3.2W.

Output logic 4…20mA:

proportional logic 4mA = 0% LEL; 0 ppm

(default) 20mA = 100% LEL; 500 ppm

absorption logic 0mA = no alarm

(applications with 1 10mA = 1

st

threshold alarm

or 2 thresholds) 20mA = 2

nd

threshold alarm

reference selection

of the signal 4…20mA to 1/2 of jumpers with reference to power supply negative or positive signs

4…20mA output load resistance up to 200Ω at 12Vdc power supply and up to 200Ω¸ 700Ω at 24Vdc power supply

Dimensions (mm)

2 orices

Ø 8

Gas typeOperating ambient

temperature

Protection

degree

S84Methane gas, or other light gases- 10 ÷ 50 °CIP65

S85LPG gas (cylinder liquid gas) or other heavy gases- 10 ÷ 50 °CIP65

S86CO carbon monoxide- 10 ÷ 50 °CIP65

Product specificaties