Metal tube rotameter for medium small caliber and low velocity flow measurement; reliable, maintenance, long life; metal tube not ask for much for the straight pipe; wide flow ratio of 10:1; double major LCD display, optional on-site instantaneous / accumulated flow display, with backlight sensitive axis direction; non-contact magnetic coupling transmission; metal tube all metal construction, suitable for high temperature, high pressure and corrosive media; can be used for flammable Or explosive situations; optional wire, battery, AC power supply; multi-parameter calibration function; metal tube with a data recovery, data backup and power-down protection.
Technical parameters
Measuring range: water (20 ℃) 1-200000 l /
Air (20 ℃, 0.1013MPa) 0.03-4000m3 / h
See flow table, special flow can be customized
Turndown ratio: 10:1 a special type of standard 20:1
Accuracy: standard 1.5 special type 1.0
Pressure rating: Standard type: DN15-DN50 4.0MPa DN80-DN200 1.6MPa
Special type: DN15-DN50 25MPa DN80-DN200 16MPa
Jacket pressure rating 1．6MPa
Special type in the selection and consultation with the factory before ordering
Pressure loss：7kPa-70kPa
Medium temperature: Standard:－80℃-＋200℃：PTFE：0℃－85℃
High temperature: up to 400 ℃
Medium viscosity：DN15: <5mPa.s(F15.1-F15.3)
<30mPa.s(F15.4-F15.8)
DN25: <250mPFa.s
DN50-DN150: <300mPa.s
Ambient temperature: liquid crystal－30℃－+85℃
Pointer type－40℃－+120℃
Connection: Standard: DIN2501 standard flange
Special type: any standard specified by the user flange or thread
Cable interface：M20＊1．5
Power supply: 24VDC standard two-wire 4-20mA (10.8VDC-36VDC）
AC type：85－265VAC 50HZ
Battery Type: 3.6V @ 4AH Ni-MH battery
Alarm output: upper or lower instantaneous flow alarm
Standard: Open collector output (max 100mA @ 30VDC internal impedance of 100 ohm）
Special type: relay output (contact capacity of the largest 5A @ 250VAC）
Pulse output: Cumulative pulse output, the minimum interval of 50 milliseconds
LCD: instantaneous flow display range of values：0－50000
Accumulated flow display range of values：0－99999999
Protection：IP65
Explosion-proof mark: intrinsically safe ia Ⅱ CT6 flameproof d Ⅱ CT6
