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Standard LZ series metal tube trail consists of a measuring tube in and a local monitor. Local indicator can also choose to install additional electrical components for liquid and gas measurement. The trait adopts area-changing measure principle. The measuring part consists of a tapered tube and a float composed of conical. measuring tube can float freely up and down movement, changing the flow area of the pipe, with the flow rate changes, the float in the vertical position of the measuring tube also change accordingly, through the pipe system, the magnetic position of the float passed to the dial indicator to indicate the size of flow values. In M6, M8, M9 indicator, with the rotation of the moving, magnet is transmitted directly to the dial; in M7 indicator, with the rotation of the magnet moving through a linear cam plate, the pointer indicates the value of the size of the flow
Parameters :
Suitable for small-medium-caliber and low velocity flow measurement; reliable, low maintenance, long life; less demanding for straight pipe; wide flow ratio of 10:1; Large dual line LCD display, optional on-site instantaneous / accumulated Flow display, with backlight uniaxial sensitive instructions; non-contact magnetic coupling drive; metal tube all metal construction, suitable for high temperature, high pressure and corrosive media; can be used for flammable and explosive hazardous situations; optional second system, battery, AC power supply; multi-parameter calibration function; metal tube adopts data recovery, data backup and brownout for protection.
Metal tube Technical parameters
Measuring range: water (20 ℃) 1-200000 l / h  air (20 ℃, 0.1013MPa) 0.03-4000m3 / h
See flow meter, flow can be customized
downward ratio: Standard Special type 10:1 20:1
Accuracy: Standard 1.5 Special type 1.0
Pressure Level: Standard: DN15-DN50 4.0MPa DN80-DN200 1.6MPa
Special type: DN15-DN50 25MPa DN80-DN200 16MPa
jacketed pressure rate of 1.6MPa ,
 Metal tube in the selection and ordering special type should consult us before
 pressure loss: 7kPa-70kPa medium temperature: Standard: -80 ℃ - +200 ℃: PTFE: 0 ℃ - 85 ℃ high temperature: up to 400 ℃ Medium viscosity: DN15: <5 MPa (F15.1-F15.3) <30 mPa.s (F15.4-F15.8) DN25: <250mPFa.s DN50-DN150 : <300mPa.s Ambient temperature: LCD type -30 ℃ - +85 ℃ pointer type -40 ℃ - +120 ℃ Connection: Standard: DIN2501 standard flange special type: specified by the user in any standard flanges or threaded cable Interface: M20 * 1.5 Power Supply: Standard 24VDC wire 4-20mA (10.8VDC-36VDC) type :85-265VAC 50HZ AC Battery type: 3.6V @ 4AH NiMH battery alarm output: upper or lower instantaneous flow alarm Standard: Open collector output (max 100mA @ 30VDC internal impedance of 100 ohms) Special type: relay output (contact capacity max 5A @ 250VAC) Pulse output: Accumulated pulse output, the minimum interval 50 ms LCD: instantaneous flow rate display Value range :0-50000 accumulated flow display value range 0-99999999 Protection: IP65 Explosion-proof mark: intrinsically safe ia Ⅱ CT6 flameproof d Ⅱ CT6

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