Oval EX DELTA II, Инструкция по эксплуатации

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D-583-2N-E
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16.2 Preamplifier Specifications
Table 6.2
ITEM DESCRIPTION
Model PA35
Mounting Construction
Construction is either:
Integrally mounted with flowmeter, or
separately mounted with flowmeter (installed on a 2" pipe). *1
Waterproof JIS C 0920, weathertight (IEC IP65)
Explosionproof Intrinsically safe (Exia II CT4)
Ambient Temperature -20 to +60°C (For details, see
"
6.6 Ambient Temperature" on page 6.)
Ambient Humidity 5 to 00% R.H. with no dew condensation
Housing Material Aluminum alloy
Housing Finish
Finished in baked melamine
Finish: Munsell 0B8/4 (Cover: Munsell 2.5PB4/0)
Built-in Display
LCD total flow and instantaneous flowrate (figures 10mm high)
• Accumulated total flow (8-digit)
• Resettable total flow "C" (7-digit)
• Digital instantaneous hourly flowrate "b1"
• Digital instantaneous per-minute flowrate "b2"”
｝
The display scrolls through
the following menu items
with external mode select
switch.
(The display is adjustable in
steps of 90 deg. to provide
optimum viewability.)
Low battery alarm (An indicator flickers at top left of the display.)
Batteries
Five 3.6V dedicated lithium battery packs are built in.
Integrally mounted preamplifier type:
Battery life 7 years, 24 hours continuous operation
Separately mounted preamplifier type:
Battery life 4 years, 24 hours continuous operation
NOTE *1: Allowable maximum length between the sensor and preamplifier is 200 meters.
16.3 Nominal Meter Factors
Table 6.3
Pipe Nominal Bore
mm (inches)
Nominal Meter Factor
L/P
200 (8) 2.42
250 (0) 3.89
300 (2) 5.75
400 (6) 0.7
500 (20) 8.9
600 (24) 27.7
800 (30) 49.2
000 (40) 76.9
500 (60) 73
2000 (80) 309