Fuse Replacement; Table 1: Power Supply Ranges And Fuse Ratings - BASI BFM921 User Manual

BASI
3.4.2

Fuse replacement

A mains fuse is located in the bottom left corner of the flowmeter case. The fuse must only be exchanged by
a competent person. Procedure is as follows:
1. Disconnect the power supply from the flowmeter before attempting any connection changes.
2. Open flowmeter case.
3. Unscrew top part of the fuse holder by a hand turning top part to the left. Remove the fuse. Replace it
with new fuse with the same voltage and current rating. Fuse parameters can be seen in Table 1.
4. Close flowmeter case.
5. Switch on the power supply.
Flowmeter is delivered in four power supply versions with different fuses:
Nominal range
230/115V AC 50/60Hz
12V DC
24V DC
48V DC
Operation manual
Range
85 V to 264 V AC
47-65 Hz
9 V to 18 V DC
18 V to 36 V DC
36 V to 75 V DC

Table 1: Power supply ranges and fuse ratings

Electromagnetic flowmeter BFM921
Version Fuse
BFM921-Vxx0x
315 mA
BFM921-Vxx1x
2 A
BFM921-Vxx2x
1 A
BFM921-Vxx3x
1 A
15