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Đồng hồ đo lưu lượng VN Aichi Keiki

Mã sản phẩm: VN
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Tên SP: Đồng hồ đo lưu lượng VN Aichi Keiki

Mã SP: VN

Hãng: Aichi Keiki

Yêu Cầu Giá Tốt

Thông tin sản phẩm


Model VN05 VN10 VN20
Accuracy Guaranteed Flow Rate Range
(Minimum flow rate – maximum flow rate)
0.05 – 1 L/min 0.5 – 10 L/min 3.0 – 60 L/min
Maximum operating flow 3 L/min 25 L/min 100 L/min
Low flow cut-off 0.025 L/min 0.25 L/min 1.5 L/min
Accuracy
(at fluid temperature of 25°C)
Frequency pulse ± 2.5 RS% (100% to 20% of maximum flow rate)
± 0.5 FS% (20% to 5% of maximum flow rate)
Unit pulse ± 2.0 RS% (100% to 20% of maximum flow rate)
± 0.4 FS% (20% to 5% of maximum flow rate)
Piping connection (Screw size) R1/2 R1/2 R1
Fluid temperature range 0 to 60℃(Non-freezing)
Fluid conductivity range 50 µS/cm or higher
Target liquids Conductive liquid that does not corrode the material exposed to it.
Operating pressure 1 MPa or less
Pressure loss 0.02 MPa or less
Ambient temperature and humidity Temperature: -20°C to 60°C
Humidity: 35% to 85% RH (Non-condensing)
Responsiveness 63% response Damping time: 2 s (Standard)
Signal cables Length: 0.5 m, 4-wire
Red: Power + line
White: Output 1
Blue: Power – line (GND)
Yellow: Output 2
LED displays One LED display on the sensor body
Green: Indicates flow rate with three scales of blinking speed.
Red: Indicates abnormal state with the number of blinks.
Installation position Free (Vertical piping is recommended.)
Output common specifications NPN open collector
Current capacity: 20: mA or less
Voltage: 30 VDC or less
Residual voltage when ON: 1 V or less
Output 1*2 Frequency pulse*1 Duty ratio Standard 200 Hz
(Can be configured by 0.1 Hz in the range between 20 and 400 Hz.)
Unit pulse 0.001 L/P (Standard) 0.01 L/P (Standard) 0.1 L/P (Standard)
Alarm*3 Can be selected from normal open (Standard) or normal close.
Alarm contents (Power supply and voltage drops/ meter failure/ empty fluid/
excessive flow rate/ excessive flow noise/ reverse flow)
Switch*4 Can be selected from normal open (Standard) or normal close.
Level judgment value: Can be configured by 1% in the range of 0 – 100%.
(The maximum flow rate is converted to 100%.)
Output 2 *2 Unit pulse Same as output 1.
Alarm*3 Same as output 1.
Switch*4 Same as output 1.
Safety Class IP X4(IP 64 compatible)
Current Consumption 100mA or less
Power Source Supply isolated power at 12 -24 VDC (±10%).
Use of one unit of power supply is recommended for one unit of VN.
Exposed materials to fluids Body: PPS resin
Electrodes: SUS 316 L
O ring: FKM
Grounding ring: SUS 316


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