Atest Gaz Sigma SmArt, User Manual

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7 Technical specification
Power supply
• V
CC
• Power consumption
12 – 30 V
0,48 – 3,6 W
Environment
• Ambient temperatures
• Humidity
• Pressure
-40 – +60°C (option T = 0)
-40 – +85°C (option T = T)
10 – 90% long term
0 – 99% short term
Without condensation
1013 hPa ± 10%
Any of the above parameters can be limited by the parameters of the
sensor
ATEX II 2G Ex d IIC T6-T4 Gb
II 2D Ex tb IIIC
IEC 60079-29-1
T4: -20 < Ta < 120°C
T5: -40 < Ta < 85°C
T6: -40 < Ta < 70°C
IP IP63
IP65 (using a Water-Splash Shield PW-071-A)
Analogue output parameters 4 – 20 mA
(applies only to SmArtGas 3)
• R
LMAX
(option O = A / O = D, X = AL)
200 Ω
Digital output parameters (applies only to
SmArtGas 3)
• Number of relays
• Parameters (option X = PK)
3
Floating contacts
3 x NO/NC, 24 V DC, 0,2 A
Not protected against overloading
Digital communication parameters
• Electric standard
• Communication protocol (option O = D)
RS-485
• Modbus ASCII 19200 7E1 (PW-044-A-SG)
• SigmaBus (PW-044-A-SS)
Integrated signalling equipment (visual) Alphanumeric display 2x8 of the LCD type with LED indicators (option
D=LCD)
Multicolor status display FLED (D = FLED)
Dimensions See figure 1
Cable glands
• Cable diameter range
• External thread
3.2 – 8 mm, 6.5 – 11.9 mm, 10.0 – 14.3 mm
M20
Acceptable cables 0.5 – 2.5 mm 2
cable lugs 2 x 1 mm2 or 2 x 0.75 mm 2 should be used for double wires
Enclosure material • Aluminium spray epoxy / SS316L (option E = Alx)
• Aluminium creodur epoxy / SS316L (option E= C)
• SS316L (option E = SS)
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User's Manual: POD-009-ENG R07