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INATEC – LDG Insertion Type Electromagnetic Flowmeter
INATEC Insertion type electromagnetic flowmeter is based on Faraday’s law of electromagnetic induction. In the electromagnetic flowmeter, the conductive medium in the measuring tube is equivalent to the conductive metal rod in the Faraday test, and the two electromagnetic coils at the upper and lower ends generate a constant magnetic field. Typical applications are monitoring of liquids, filling, dosing and precise measurement in custody transfer.
Characteristics
Size : DN 100 – DN 3000 mm.
Nominal Pressure : 1.6 MPa.
Accuracy : 1.5 %.
Probe : ABS, Polyurethane.
Electrode : SUS 316 L, Hastelloy B, Hastelloy C.
Measuring Principle
The working principle of the Insertion type electromagnetic flowmeter is based on Faraday’s law of electromagnetic induction. In the electromagnetic flowmeter, the conductive medium in the measuring tube is equivalent to the conductive metal rod in the Faraday test, and the two electromagnetic coils at the upper and lower ends generate a constant magnetic field. When a conductive medium flows through, an induced voltage will be generated. Two electrodes inside the pipe measure the induced voltage generated. The measuring pipeline is electromagnetically isolated from the fluid and the measuring electrode through a non-conductive lining (Rubber, Teflon, etc).
Specification
| Information | Spesification |
|---|---|
| Size | DN 100 - DN 3000 mm |
| Nominal Pressure | 1.6 Mpa |
| Accuracy | 1.5% |
| Probe | ABS, Polyurethane |
| Electrode | SUS316L, Hastelloy B, Hastelloy C |
| Structure Type | Integral type, Remote type |
| Medium Temperature | - 20 ~ + 80 deg C |
| Ambient Temperature | - 20 ~ + 60 deg C |
| Ambient Humidity | 5 ~ 100 % RH (Relative humidity) |
| Measuring Range | Max 15m/s |
| Conductivity | > 5 us/cm |
| Protection Class | IP65 (Standard), IP68 (Optional for remote type) |
| Process Connection | 2'' Thread (Standard), 2'' Flange (Optional) |
| Output Signal | 4 - 20 mA/Pulse |
| Communication | RS485 (Standard), HART (Optional), GPRS/GSM (Optional) |
| Power Supply | AC 220 V (Can be used for AC85 - 250 V), DC 24 V (Can be used for DC 20 - 36 V), DC 12 V (Optional), Battery powered 3.6 V (Optional) |
| Power Consumption | < 20 W |
| Alarm | Upper limit alarm / Lower limit alarm |
| Self-diagnosis | Empty pipe alarm, Exciting alarm |