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[Magnetic Flowmeter] ADMAG CA Series Capacitance Magnetic Flowmeters
ADMAG CA magnetic flowmeter is excellent at measurement in ultra-low conductivity fluids down to 0.01 microS/cm, adhesive fluids, or slurry fluids. Since ADMAG CA employs a non-wetted electrode construction, picking up the signal voltage by electrode plates provided outside a ceramic pipe through the capacitance of the pipe.

Features: ADMAG CA Series Capacitance Magnetic Flowmeters

Ultra-low conductivity fluid measurement
Capacitance type electrodes and very high impedance head amplifier of ADMAG CA make ultra-low conductive fluid measurement possible. High-frequency excitation reduces the effects of flow noise.
Adhesive fluid measurement
Non-wetted electrodes solve the measurement problem of sticking insulating material.
Slurry fluid measurement
Non-wetted electrodes are free from electric noise resulting from slurry colliding with the electrodes. Stable measurement in highly concentrated slurry fluids is possible.
High accuracy, +/- 0.5% of flow rate for ultra-low conductivity
For measurement of fluids with minimum conductivity of 0.1 microS/cm.
Maintenance-free
No adhesion, corrosion, or clogging greatly reduces maintenance costs. ADMAG CA is ideal for processes that used to need regular cleaning.
150 mm and 200 mm sizes
ADMAG CA is the first* ceramic capacitance type magnetic flowmeter in the world that supports 150 mm and 200 mm sizes, for even greater flexibility in applications.
*: As of September 29, 1999.

Specifications: ADMAG CA Series Capacitance Magnetic Flowmeters

CA100/200
Size (mm)
15-100
150, 200
Excitation
High frequency
Flow span (m/s)
0.5-10
Min. fluid conductivity (µS/cm)
0.01
1
Protection
IP67, NEMA4X, JIS C0920 watertight type
Hazardous area classification
FM, CSA, TIIS(JIS)
-
Accuracy
±0.5% of flowrate (0.1 µS/cm min.)
±1% of flowrate (1 µS/cm min.)
Repeatability
± 0.1% of flowrate (1 mm/s min.)
Lining material
Ceramic
Electrode Construction
Non-wetted plate electrodes installed on outside of ceramic tube
Fluid pressure
-0.1 MPa to 4 MPa: Ceramic lining size 50 mm or smaller
-0.1 MPa to 2 MPa: Ceramic lining size 80 mm or greater
Fluid temperature
-10 deg C to 120 deg C
Process connection JIS 10K/20K/F12, ANSI 150/300, DIN PN10/16: Wafer
Output signal
4-20 mA DC, pulse, or alarm (transistor contact: 30 V DC, 200 mA max.)
Function
Variable damping time (1 sec min.), self-diagnostics, loop test, BRAIN communication
Indicator
7-seg. LCD with back light
Power supply voltage
80-264 V AC/47-63 Hz or 100-130 V DC, 20.4-28.8 V DC
Maximum power consumption
14 W

 

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