DigitalMag888 Magnetic Flowmeter
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| Features and Benefits |
DigitalMag 888 signal converter is used together with DigitalMag 888 flow sensor to form a complete magnetic flowmeter system for accurate liquid flow measurement. It utilizes state-of-the-art technologies in digital signal processing and electromagnetic sensor design. The converter is able to measure bidirectional flow and totalize the flow in both forward and reverse directions separately.
DigitalMag 888 magnetic flowmeter has been widely used to measure the volume of conductive liquids such as water, sewage, acid, alkali, salt water as well as mixture of liquids and solids. |
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| Specifications :
Accuracy: ±0.5% of the value displayed. ±0.3% is available upon request.
- Damping time constant: 0～100s (90%) selectable.
- Display and buttons: Large LCD display with backlight. Display instantaneous flow, total flow, alarm.
- Totalizer: Three built-in totalizers, forward flow totalizer, reverse flow totalizer and net totalizer.
- Output signal:
a. Analog output: Bi-direction, isolated 0～·10mA/4～20mA
Load resistor: 0～1.5ΚΩ for 0～10mA, 0～750Ω for 4～20mA
b. Frequency output: Forward & reverse flow output with frequency range between 1～5000Hz.The external voltage must be lower than 35V and the max output current is 250mA when the transistor is turned on.
c. Alarm output: Two isolated OCT (Open Collector Transistor) outputs for alarm signals. The external voltage must be lower than 35V and the max output current is 250mA when the transistor is turned on. Alarm will be activated when the pipe is empty, the excitation circuits are broken or the volume of flow rate exceeds the value of designed limits.
d. Pulse output: OCT circuit is used for forward or reverse flowrate output. Output pulse upper frequency can be up to 5000cp/s. The relevant value of pulse is from 0.0001 to 1.0m3/cp. Pulse width can be set to 20ms or 50% occupancy. The external voltage must be lower than 35V and maximum output current is 250mA when the transistor is on.
- Communication: RS232C. RS485 or HART Communication selectable. With lightning resistance
- Power failure: An anti-fail clock is designed in the flow meter which can save the power failure records for 16 times.
- Protection class: IP65 and IP67 (dustproof and submerging for short time) |
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| Specifications :
Accuracy: ±0.5% of the value displayed. ±0.3% is selectable
- Caliber: DN10～DN3000mm (3/8"～120")
- Nominal Pressure: 0.6～4.0MPa
- Liner material: Teflon, PFA, F46, Neoprene, Polyurethane.
- Electrode type: General type, scraper type or replaceable type.
- Electrode material: 0Cr18Ni12M02Ti, Hastelloy B, Hastelloy C, Titanium,
Tantalum, Platinum-iridium, Stainless steel covered with tungsten.
Medium temperature
Integral type:-100°c+800°c
Remote type: Neoprene & Polyurethane Liner -10°c～+80°c
PTFE, PFA, F46 Liner -100°c+1600°c
- Ambient Temperature: -250°c+600°c
- Ambient Humidity: 5 100%RH (relative humidity)
- Medium Electrical conductivity: ≥15ūs/cm standard. ≥5ūs/cm upon request.
- Measuring Range: 1500:1, flow rate≤15m/s
- Structure Type: Integral type, remote type, submersible type, ex-proof type.
- Protection Class: IP65 standard. IP68 optional.
IP65: dustproof and watertight:
IP68: dustproof and submersible for long term (only for remote type)
- Product Standard: JB/T9248-1999 Electromagnetic Flowmeter |
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