Compact-type electromagnetic flowmeter converter

1. Programmable low frequency square wave field excitation, excitation frequency: mode 1 (1/8), mode 2 (1/16), mode 3 (1/32) of power frequency;
2. Excitation current can be selected from 100mA to 500mA and connnected with a variety of sensor made by various manufacturer;
3. Bi-directional measurement, flow ranges form 0.1 to 15 m/s;
4. Empty pipe detection and suitable for various liquid;
5. AC power ranges from 85VAC - 250VAC, 45 - 63Hz;
6. DC power ranges from 16VDC - 36VDC;
7. Isolated RS485/RS232C communication interface supporting MODBUS, PROFIBUS-DP and HART;
8. Various display language;
9. Three internal totalizers: forward totalizer, backward totalizer and net totalizer;
10. Signal outputs: analog output:0-10mA or 4-20mA, pulse output: 0 - 5000Hz, OC gate alarm output;
11. Sensor size: 3 - 3000mm.

Features

1. Programmable low frequency square wave field excitation, improving measurement stability and reducing power consumption
2. Implementing 16 bits MCU, providing high integration and accuracy
3. Full-digital processing, high noise resistance and reliable measurement
4. Low EMI switching power supply, providing wide mains range adaptability, high efficiency and low temperature rising
5. User-friendly operation interface
6. High definition LCD display with backlight and -20℃ - +70℃ temperature range
7. Forward and reverse measurement
8. Three independent 10-digit totalizer: forward, reverse and net totalizer, convenient for metering or billing
9. RS485 interface supporting up to 2km distance at 14400 bps communication
10. Intelligent empty pipe detection and electrodes resistance measurement diagnosing empty pipe and electrodes contamination accurately.
11. Implementing ‘Rate-Of-Change Limit’ technology to eliminate sharp electrical noise contained in the flow signal and stabilize the display and outputs
12. Totalizer remote control function, providing a contact for starting and stopping totalizing which is convenient for calibration synchronization or batch processing
 System self-diagnosis function
13. Non-volatile memory, securing parameter settings and measurement data
14. Optional real-time clock, power-failure and history data logging function ,storing up to 30 days measurement records
15. On-site display

Parameters

1. Working condition:
    Ambient temperature: –10～+ 55℃；
    Relative humidity: 5%～90%；
    Power supply: AC 85 ～250V，45～63Hz; DC 16～36V；
2. Power consumption: < 15W
3. External dimension