KROHNE BM 100A Handbook User Manual

Page 14

Handbook BM 100 A

1.3.4 Specific

installation

instructions: gauge - liquid applications

Probe bending in agitated products: recommended solutions

Probe (Type)

Supports and fastenings

Stilling well installation*

Twin rod (A)

Weld a 45mm / 1.8” internal diameter tube on
the bottom of the vessel then insert the
probe.

Possible. On-site calibration may
be required to maintain accuracy.
Repeatability is unaffected.

Twin cable (L)

Fit an anchor with an M10 x 1 (Ø4mm/0.16”
cable) thread (i.e. spring ring or hook) to the
counterweight*** CAUTION: 6 Nm / 4.4 lbf.ft
maximum torque. This cable may also be
ordered with a turnbuckle.

Possible. On-site calibration may
be required to maintain accuracy.
Repeatability is unaffected.
Centring the probe is
recommended. Contact KROHNE
for more information.

Single rod (F)

Weld a 12mm / 0.5” internal diameter tube on
the bottom of the vessel, insert the rod****.

Possible. 50 mm / 2” minimum
diameter chamber. Contact
KROHNE for assistance.

Single cable (H) Fit an anchor with M10x1 (Ø4mm cable)

thread underneath the counterweight : spring
ring or hook. CAUTION: 4 Nm / 2.9 lbf.ft
maximum torque. This cable may also be
ordered with either a chuck or turnbuckle.

Possible. 50 mm / 2” diameter
minimum. Contact KROHNE for
assistance**.

Coaxial (D)

Weld a 30-32mm / 1.2” internal diameter tube
on the bottom of the vessel, insert the tube. A
probe may be fixed with braces.

Unnecessary: probe unaffected
by nearby objects.

* Reference (bypass) chamber or stilling well.
**

Spacers supplied by KROHNE.

*** Threaded hole provided in base of counterweight.
**** Contact KROHNE. A factory menu function may need to be changed.

1 Turnbuckle
2

Chuck for type H Ø4mm
single cable probe

Counterweight with threaded base

Avoid play between tube and probe

Hole in welded tube for drainage

Anchoring twin rod and coaxial probes