Atest Gaz ProGas 4, User Manual

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6 Technical specification
Power supply
• Voltage V
cc
• Power
15 – 50 V
0.1 – 4 W( depends on the configuration, see Table 11)
Environment In operation Storage
• Ambient temperatures Ta
• Humitidy
• Pressure
Specified depending on device
configuration, including the sensor used
(see Section 9)
10 – 90% long term,
0 – 99% short term
Without condensation
1013 ± 10% hPa 0 – 40 O C
30 – 90% long term
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 • IP66/IP67 (measuring head with membrane FL.M, FH.M)
• IP63 (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, 24 V / 0.3 A, Not protected against overloading
Digital communication parameters
• RS-485
• Teta
• RS-485, Modbus ASCII/RTU, Sigma Bus, 19200 Bd 7E1
• Teta Bus
Protection class III
Dimension See Figure 3
Cable glands
• Cable diameter range
• External thread
See Section 9
M20 x 1.5
Acceptable cables 0.5 – 2.5 mm 2
(cable lugs 2 x 1 mm 2 or 2 x 0.75 mm 2 should be used for double wires)
Parameters of the hose coupling to the
FL.C head 6 / 4 mm
Enclosure material Aluminium spray epoxy
Measuring head material SS316L / PTFE
Weight 1.3 kg
Mandatory periodic inspection Every 12 months (Calibration Certificate validity) – time can be shortened due to
difficult working conditions
Lifetime of consumables See Table 12
Mounting • To the supporting structure, 2 screw holes M6, hole spacing 118 mm with
a minimum distance from the wall – see Section 5.2.2
• We recommend using mounting brackets WM8 – see Section 8
Table 10: Technical specification
s. 24|27
User Manual: POD-064-ENG R05