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Yokogawa ADMAG CA Magnetic Flowmeters

Summary:

Yokogawa ADMAG CA Magnetic Flowmeters

The ADMAG CA magnetic flowmeter adopts a system to pick up the electromotive force generated in a fluid by electrodes provided outside a ceramic pipe through the capacitance of the pipe. In addition, the flowmeter employs a prominent high-frequency excitation method that reduces flow noise in low conductivity fluid.

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.

Downloads for ADMAG CA:

General Specifications

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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