yokogawa日本横河ADMAGCA电磁流量计货期短产品全

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yokogawa日本横河ADMAGCA电磁流量计货期短产品全

yokogawa 日本横河ADMAG CA电磁流量计 货期短产品全
横河流量计 EJA流量计 电磁流量计 横河代理 yokogawa电磁流量计

横河电磁流量计

EJA流量计

日本yokogawa


ADMAG CA电磁流量计凭借陶瓷管外部设置的电极板，通过管道电容获取电动势。此外，流量计采用了一种的高频励磁方式，使低电导率流体的噪声明显降低。

ADMAG CA电磁流量计可测量电导率低至0.01µs/cm的低电导率流体，还适用于粘性流体或浆液测量。由于ADMAG CA采用非接液式电极结构，陶瓷管外部设置的电极板可通过管道的电容获取电动势。
■ FEATURES
■ Non-wetted electrodes
• Immune to adhesive or slurry fluids
• Wide measurable range, minimum 0.01 µS/cm of
conductivity. (for size 15 to 100 mm (0.5 to 4 in.))
• Leak Proof Electrode
■ Excellent on corrosive fluid and abrasive fluid
• Alumina ceramics (99.9 %)
EJA流量计 电磁流量计 横河代理 yokogawa电磁流量计
■ Dual compartment housing separates the wiring
section from the electronics and protects the
electronics from corrosive environments.
■ High accuracy, ±0.5 % of flow rate (size 25 to 100
mm (1 to 4 in.))
■ STANDARD SPECIFICATIONS
Degrees of Protection :
IP67, Type 4X
Grounding:
• 100 Ω or less
•When optional code A (lightning protector) is
selected, Class C (10 Ω or less)
•In case of TIIS Flameproof type, Class A (10 Ω or
less) or Class C (10 Ω or less)
•In case of explosion proof type except TIIS, follow
the domestic electrical requirements as regulated
in each country.
■ Magnetic Flow Converter
* : For models with no indicator, a hand-held
terminal is necessary to set parameters.
** : Pulse output and alarm output use commom
terminals, therefore these functions are not
available at the same time.
Output Signal:
Current output;
4 to 20 mA DC (Load resistance 0 to
750 Ω)
Pulse output / Alarm output;
Transistor contact
(contact rating: 30 V DC (OFF), 200 mA
(ON))
Communication signals (optional):
BRAIN communication signals (superimposed on a
4 to 20 mA DC signal)
Load resistance; 250 to 600 Ω (including cable)
Load capacity; 0.22 µF or less (including cable)
Load inductance; 3.3 mH or less (including cable)
Maximum cable length; 2 km (6560 ft) (using CEV
cable)
Space from power line; 15 cm or more (parallel
wiring should be avoided)
Input Impedance of Receiver Connected to the
Receiving Resistance; 10 kΩ or larger
(at 2.4 kHz)
Indicator*:
7 segment LCD (with no backlight)
Instantaneous Flow Rate Display Function:
Flow rate can be displayed either in
engineering units or in percent of span.
(for models with indicator)
Totalizer Display Function:
Totalized volume in engineering units
can be displayed by setting a totalizing
factor. (for models with indicator)
Span Setting Functions*:
Volumetric flow setting is possible by
setting volume unit, time unit, flow rate
value and flow tube size.
Volume units; m3
, l (liter), cm3
, gallon (us),
barrel (=158.987 l (liter))
Velocity units; m, ft
Time units; s (sec), min (minute), h (hour), d
(day)
Flow Tube Size; mm, inch
Data Security During Power Failure:
Data storage in EEPROM - no back-up
battery required.
Damping Time Constant*:
Settable from 1 to 200 seconds. (63 %
response time)
Pulse Output Function**:
Scaled pulse can be output by
setting a pulse factor.
Pulse Width: Duty 50 % or fixed pulse width
(0.5, 1, 20, 33, 50, or 100 ms) - user
selectable.
Output Rate: 0.0001 to 1000 pps (when pulse
output function is selected.)
Alarm Output Function**:
Indicates that an alarm