Atest Gaz SmArtGas 4, Руководство пользователя

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7 Technical specification
Power supply
• Voltage V
cc
• Power
15 – 50 V
0,48 – 4 W
Environment In operation Storage
• Ambient temperatures Ta
• Humitidy
• Pressure
Specified depending on:
• the temperature class of the
device (see ATEX below),
• device configuration, including
the sensor used (see section 10)
10 – 90% long term
0 – 99% short term
Without condensation
1013 ± 10% hPa
0 – 40 O C
30 – 90% long term
ATEX II 2G Ex db IIC T6...T5 Gb
II 2D Ex tb IIIC T130°C Db
The temperature range depends on the gas detector configuration (see
section 10):
0 FLED, FLED.A, LCD
HL, HH
T6: -40 < Ta < 65°C
T5: -40 < Ta < 80°C
T6: -40 < Ta < 65°C
FL, FL.M, FH, FH.M
T6: -40 < Ta < 50°C
T5: -40 < Ta < 60°C
T6: -40 < Ta < 50°C
Time parameters For catalytic sensor:
• Hydrogen
• Methane
• Propane
• Ethanol
T
90
≤ 9 s
T
90
≤ 13 s
T
90
≤ 17 s
T
90
≤ 18 s
T
Alarm
(T
20
) ≤ 3 s
T
Alarm
(T
20
) ≤ 4 s
T
Alarm
(T
20
) ≤ 4 s
T
Alarm
(T
20
) ≤ 5 s
IP • IP 67 (measuring head with membrane FL.M, FH.M)
• IP 63 (other)
Analog output 4 – 20 mA
• Output type
• R
load_MAX
(source mode)
• U
S_MAX
(sink mode)
Sink / source
300 Ω
30 V (max. voltage between pins „S” and „-”)
Digital output parameters
• Relays
3 x Floating contacts, NO/NC
24 V / 0.3 A
Not protected against overloading
Digital communication parameters
• RS-485
• Teta
• RS-485, Modbus ASCII, Sigma Bus, od 19200 Bd 7E1
• Teta Bus
Integrated signalling equipment (optical) • D=LCD: alphanumeric display 2x8 of the LCD type with LED indicators
• D=FLED: multicolour status display LED
p
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User Manual: POD-061-ENG R03
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