46
D-546-9-E
15.3 Preamplifier Specifications
Table 15.5
ITEM
DESCRIPTION
Model
PA35
Mounting Design
On of the following two is selected：
Integrally mounted with flowmeter, or
separately mounted (installed on a 2” pipe) ※1
Waterproof
JIS C 0920, jetproof (IEC IP65) (IP65)
Explosionproof
Intrinsic safety explosionproof：Exia Ⅱ CT4
Ambient Temperature － 20 to ＋ 60℃ (See Sec. 6.8 Ambient Temperature on page 20 for details.)
Ambient Humidity
5 to 100％R.H. without dew condensation
Housing Material
Aluminum alloy
Housing Finish
Finished in baked melamine
Finish Munsell 2.5G8/2 (Cover: Munsell 2.5BG5/6)
Display
LCD display shows total flow and instantaneous flowrate (numerals 10mm high).
・Accumulated total flow：8-digit
Scrolls through available variables with
・Resettable total flow “C” : 7-digit
external mode select switch.
・Digital hourly instantaneous flowrate “b1”
(The display is rotatable in 90 -deg.
・Digital per-minute instantaneous flowrate “b2”
steps for maximum viewability.)
Low battery alarm (an indicator
comes on at top left on the display.)
Power Source
Five 3.6V lithium batteries : Model integral with transmitter (7 years, 24 hrs. cont. operation)
: Model with separate transmitter (4 years, 24 hrs. cont. operation)
NOTES ※1: Permissible distance between the probe and preamplifier is 200 meters max.
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