Pressure and Temperature Controls
Data sheet
June 2000 DKACT.PD.P20.I1.02 ã Danfoss A/S 06-2000
520B0407
Pressure transmitter
type MBS 33M
The Danfoss MBS 33M pressure transmitter is
designed for direct installation at the
measuring point. It has been developed to
monitor and regulate pressure in maritime and
industrial environments.
The output signal is an amplified, linearized
and temperature-compensated current signal
of 4 to 20 mA. The signal can be transmitted
over a long distance without difficulty.
Application The MBS 33M pressure transmitter is
designed for operation in harsh environments.
The climatic environment
The pressure transmitter is reliable, even
when subjected to extreme humidity and
temperature. The enclosure is filled with a
silicone compound, which gives maximum
protection against dust and moisture.
The electrical environment
The pressure transmitter has a built-in HF filter
which gives high protection against electro-
magnetic noise.
The mechanical environment
The construction make the pressure
transmitter resistant to pressure peaks,
overpressure, and vibration up to 20 g
(g = 9.81 m/s
2
) in the frequency range
20 Hz to 2 kHz.
Applications
Diesel engines, gears, compressors, pumps,
boilers, generator sets, hydraulic and pneu-
matic control systems, lifts, powerpacks.
Description The MBS 33M pressure transmitter has a
stainless steel enclosure and diaphragm.
Accuracy class 1.
The pressure range is from 1 to 600 bar.
The pressure connection is G
1
/2 A, the supply
voltage 10 to 30 V d.c. and the output signal 4
to 20 mA.
Electrical connection is by DIN plug (43650) or
with 2 m fixed cable.
The transmitters are available in two versions:
a: relative (gauge) pressure transmitter
b: absolute pressure transmitter
The relative pressure transmitters use
atmospheric pressure as reference.
The absolute pressure transmitters use perfect
vacuum as reference.
Approvals
• Lloyd’s Register of Shipping
• Det Norske Veritas
• Germanischer Lloyd
• Registro Italiano Navale
• American Bureau of Shipping
Bureau Veritas
• Nippon Kaiji Kyokai
• Polski Rejestr. Stufköw
• Russian Maritime Register of Shipping