Electromagnetic Flowmeter - EFM-115

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• Continuous measurement of current flow, positive and negative flow
• DN 15 - 200 mm flanged type
• Robust and resistant cover of sensor and transmitter
• Easy change from compact to remote version
• Flow direction indication
• Universal power supply
• Maximum Pressure: 1.6 MPa
• Protection class: IP67

Model Number: EFM-115
Data Sheet:

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Product Specification

EFM-115 Electromagnetic Flowmeter Description

• Continuous measurement of current flow, positive and negative flow
• DN 15 - 200 mm flanged type
• Robust and resistant cover of sensor and transmitter
• Easy change from compact to remote version
• Flow direction indication
• Universal power supply

The Electromagnetic flowmeter EFM-115 is precise measuring device intended for the measurement of liquid flow of electrically conductive media. The meters may be used for measurements, registration, dosing, mixing, etc. The measurement is based on the principle of Lorentz law. In compliance with this law, electric voltage is induced in an electrically conductive body, which moves across a magnetic field.

EFM-115 Electromagnetic Flowmeter Dimensions Drawings

EFM-115 Electromagnetic Flowmeter 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

EFM-115 Electromagnetic Flowmeter Technical Data - Control unit

Medium electrical conductivity	> 5 µS/cm, for demineralized water > 20 µS/cm
Electrode impedance input	> 10 10 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
Housing material	Aluminium alloy
External coating	Powder coating

EFM-115 Electromagnetic Flowmeter Order Code

EFM-115 Electromagnetic Flowmeter Correct specification examples

EFM-115-DN40-R3-0-230V
(DN40) Nominal size 40 mm; (R3) Binary output 3 pcs of relay; (0) standard version without communication; (230) Supply voltage 85 ... 260 V AC
EFM-115-DN125-R1-M-24V
(DN115) Nominal size 125 mm; (R1) Binary output 1 pcs of relay; (M) communication RS 485 / Modbus RTU; (24) Supply voltage 9 ... 36 V DC

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