Application Information; Specifications - BASI BFM921 User Manual

Electromagnetic Flowmeter BFM921

7 Application information

7.1 Specifications

Nominal size
Nominal pressure
Flow range
Accuracy
Maximum media
temperature
Medium minimum
electrical conductivity
Ambient temperature
Excitation coils
temperature
Power supply
(nominal range, range,
flowmeter version)
Power consumption
Liner
Electrodes
Measuring tube
Flange
Protection category
Outputs
Input
Communication
Displayed values
Control
Other features
58
DN15 to DN800
PN10 to PN40
0.03 to 12 m/s (0.01 to 6000 l/s) / (0.03 to 21000 m3/h)

0.25 % (0.5 to 12 m/s) of reading value

0.003 m/s (0.03 to 0.5 m/s)
80°C (176°F) for rubber liner
150°C (302°F) for PTFE liner in remote version
 5 S / cm
-20 to 70 C (-4 to 140F)
-20 to 150 C (-4 to 302F)

85 V to 264 V AC (47-65 Hz)

12V DC (9 V to 18 V DC)

24V DC (18 V to 36 V DC

48V DC (36 V to 75 V DC)
12 VA

hard rubber

PTFE

CrNi stainless steel 1.4571

Hastelloy C276

Tantalum
Stainless steel 1.4201, dimensions according to DIN 17457
Carbon steel 1.0402 or higher
Dimensions according to DIN2501 (=EN1092=BS 4504), ANSI B16.5, JIS B2220, Sanitary
DIN11851, flangeless wafer style

Compact version: IP67

Remote version: sensor IP68, converter IP65 (optionally IP67)

Frequency 0 to 12 kHz with programmable flowrate and function

Pulse 0 to 200 Hz with programmable volume, function and pulse width

Status (relay) output 110V/1A/30W with programmable function

Current loop 4 to 20 mA with programmable flowrate and function, error/alarm
function.
PLC digital input with programmable function

USB/RS232, RS485 (Modbus)

Flowrate (m3/h, l/s, US.Gal/min, Imperial.Gal/min, user)

Volume (m3, l, US.Gal, Imperial.Gal, user)

Positive, total, negative and auxiliary (clearable, daily) volume

Keyboard with 6 buttons, graphic display with backlight.

USB/RS232 and RS485

Test of: excitation coils, electronic unit

Diagnostic of internal temperature and power supply voltages

Internal temperature and power supply diagnostic

Real time clock with maintenance-free backup power source

Empty pipe indication

Datalogger 900000 records (programmable sample rate)

Registration of min. and max. flowrate including date and time
• BFM921-Vxx0x
• BFM921-Vxx1x
• BFM921-Vxx2x
• BFM921-Vxx3x
Operation manual
BASI