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  • 80G FM Radar Level Meter
  • 80G FM Radar Level Meter
  • 80G FM Radar Level Meter
80G FM Radar Level Meter 80G FM Radar Level Meter 80G FM Radar Level Meter

80G FM Radar Level Meter

Product description

The MFMF2100 series sensor is a 80G FM radar level measuring instrument with a measuring distance of up to 30 meters. The antenna is further optimized, and the new fast microprocessor can perform higher-speed signal analysis and processing, so that the instrument can be used for the measurement of environmental liquids such as high temperature and high pressure.

Product principle

The general principle of the FM continuous wave radar level meter is that the radar emits electromagnetic waves on the top of the tank, and the electromagnetic waves are received by the radar after being reflected by the medium. The frequency difference δf between the received signal and the transmitted signal is proportional to the distance R from the medium surface. : R= C (speed) * δ f (frequency difference) /2/ K (frequency modulation slope). Because the speed of light C and the frequency modulation slope K are known, the frequency difference δf is estimated, and the distance R from the material surface at the location where the radar is installed can be obtained. Then, through the known total height of the tank, subtract the spatial distance from the radar to the material surface (Abbreviated as empty height), get the height of the material level.



Protection class

This instrument fully meets the requirements of protection class IP66/67, please ensure the waterproofness of the cable gland. As shown

How to make sure your installation meets IP67 requirements:

Make sure the sealing head is not damaged.

Make sure the cable is not damaged.

Make sure that the cables used meet the electrical connection specifications.

Bend the cable down before entering the electrical interface to ensure that water does not flow into the housing, see ①

Please tighten the cable gland, see ②

Please plug the unused electrical connections with blind plugs, see ③



Product parameters

Measuring medium: solid

Measuring range: 0.3m~150m

Process connection: flange≥DN80

Process temperature: -40~110℃

Process pressure: -0.1~0.3MPa

Accuracy: ±5mm

Protection class: IP67

Frequency range: 123GHz

Power supply: two-wire system (DC24V)/four-wire system (DC12V~24V)/four-wire system (AC220V)

Explosion-proof grade: Exia IIC T6 Ga / Exd IIC T6 Gb

Housing: Aluminum/Plastic/Stainless Steel

Signal output: 2-wire 4...20mA/HART protocol/4-wire 4...20mA/RS485 Modbus

 

Dimentions





Technical Parameters

Process connection

Flange

Materials

304 stainless steel, PP

Shell

Seal between case and case

Silicone Rubber

Shell window

Polycarbonate

Ground terminal

Stainless steel

Supply voltage

Four-wire

Standard

(12~24)V DC

Power consumption

max80mA DC24V/2W

Ripple allowed

<100Hz

Uss<1V

(100~100K)Hz

Uss<10mV

Dual-chamber housing

(198~242)V AC

Four-wire

100V AC

Four-wire

Cable

Cable entry/plug

1 M20x1.5 cable entry

1 blind plug M20×1.5

Ground terminal

Conductor cross section 2.5mm2

Output

Output signal

(4~20)mA/RS485Modbus

Resolution

1mm

Fault signal

Current output remains unchanged;20.5mA;22mA;3.9mA

Integration time

(0~20)s,adjustable

Blind spot

0.1m/0.2m/0.3m

Max. measurement interval

150 meters

Measurement interval

About 1 second (depending on parameter settings)

Adjust time

About 1 second (depending on parameter settings)

Operating Storage and Shipping Temperatures

(-40~80)℃

Process temperature

MFMF1100

-40~80℃

MFMF1200

-40~110℃

MFMF1300

-40~110℃

MFMF1500

-40~200℃

MFMF2100

-40~110℃

Relative humidity

<95%

Pressure

Max2.5MPa

Vibration

Mechanical vibration 10m/s2, (10~150) Hz

Meter Linearity


Installation requirements

When installing the instrument, avoid installing it above the feeding port, and try to avoid various objects that affect the signal, such as stirring paddles, etc.


Under extremely complex working conditions, the instrument can work normally without any obstacles within a radius of 20cm with the radar installation point as the center.



It cannot be installed above the feed inlet, and there can be no obstacles under the meter



Under extremely complex working conditions, the instrument can work normally without any obstacles within a radius of 20cm with the radar installation point as the center.


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