Đồng hồ đo lưu lượng điện từ Dinel EFM-115
Technical data – Sensor Nominal size DN 15 ... 200 mm Flange type DIN 2576–PN–16 Connecting cable Standard 0.5 m / 2 x 2 x 0.25 mm2 Coils excitation Pulse DC Isolation class of coils excitation E Process connection Flanged DIN Maximum Pressure 1.6 MPa Protection class IP67 Liner material / Temperature Hard rubber / - 5°C ... +90°C Electrodes material Stainless steel 316Ti Outer casing flanges / Flow tube material Carbon steel standard / Stainless steel 321 External coating Acrymetal multi component lacguer Ambient temperature range -20°C ... +50°C Technical data – Control unit Medium electrical conductivity > 5 µS/cm, for demineralized water > 20 µS/cm Electrode impedance input > 1010 Ω Flowrate Min. 0.3 m/s; max. 12 m/s Measurement accuracy 0.3 % of reading, while flow is within 10 ... 100% of range Flow filter Multi-mode adjustment Low flow rejection Adjustable in steps of 0.1 % Flow direction Bi-directional measurement is distinguished by sign Zero flow Automatic zero point setting Data logger 4 months capacity (average 5 min. current flowrates) Display / Resolution Alphanumeric OLED / 2 x 16 characters, with backlight Analog output – Active galvanically separated 4(0) ... 20 mA / 500 Ω Frequency output – Passive galvanically separated 0 ... 1 kHz / 0 ... 100 % from flow rate range; 8.2 ... 10 kΩ Max 24 V DC Binary outputs 1 ... 4x relays, non-voltage contact, non-inductive load 250V AC (30V DC)/3A Communication outputs RS–485 / Modbus RTU, galvanically separated Cable outlets 3x PG 11, Power supply cable Max. 3x 1.5 mm2 Power supply 85 ... 260 V AC / 50 ... 60 Hz; 9 ... 36 V DC Power consumption 10 VA Fuse (internal) 630 mA Protection class IP 67 Ambient temperature range -20º C ... +50ºC Weight 2.6 kg