Danfoss MBS 1900 Pressure Transmitter for Air and Water Applications

  

 

The pressure transmitter MBS 1900 is designed for use in air and water applications like Booster Pumps and Air Compressors.

The semi-flexible pressure transmitter programme covers different output signals, absolute or gauge (relative) versions, measuring ranges from 0 – 4 bar to 0 – 25 bar and a wide range of pressure and electrical connections. Enclosure material is stainless steel AISI 316L.

Features

• Designed for use in air and water applications
• Wetted parts of stainless steel (AISI 304)
• Pressure ranges in relative (gauge) or absolute from 0 – 25 bar
• Output signals: 4 – 20 mA, or ratio metric

Approvals

• UL Approval
• Certificate number: E31024 NSF-61

Specifications

Technical Data

Performances

Accuracy (@ 20 °C) (incl. non-linearity, hysteresis and repeatability)	≤ ± 1.0% FS
Non-linearity BFSL (conformity)	≤ ± 0.5% FS
Hysteresis and repeatability	≤ ± 0.1% FS
Total error band inside the compensated temperature range	≤ ± 3.0% FS
Response time	< 4 ms
Overload pressure (Static)	3 × FS (max. 75 bar)
Burst pressure	4 × FS (max. 100 bar)
Durability, P: 10 – 90% FS	> 10 ×106 cycles

 

Electrical specifications

Nom. output signal (short-circuit protected)	4 − 20 mA	Ratiometric (10 – 90% of Vsupp.)
Supply voltage [UB], polarity protected	9 – 28 V	5 V ± 10%
Supply – current consumption	–	≤ 5 mA
Supply voltage dependency	≤ ± 0.1% FS/10 V	≤ ± 0.1% FS/10 V
Load [RL] (load connected to 0 V)	RL ≤ (UB -10V)/0.02A	RL ≥ 5 KΩ @ 5 V d.c.
Output impedance	–	< 25 Ω

 Environmental conditions

Sensor temperature range			0 – 80 °C
Max. media temperature			110 – (0.35 × ambient temperature)
Ambient temperature range (depending on electrical connection)			-20 – 80 °C
Compensated temperature range			0 – 80 °C
Transport / Storage temperature range			-50 – 85 °C
EMC – Emission			EN 61000-6-3
EMC – Immunity			EN 61000-6-2
Insulation resistance			> 100 MΩ at 500 V
Vibration stability	Sinusoidal	15 g, 5 Hz – 2 kHz	IEC 60068-2-6
	Random	7.5 g rms, 5 Hz – 1 kHz	IEC 60068-2-64
Shock resistance	Shock	200 g/1 ms	IEC 60068-2-27
	Free fall	1 m	IEC 60068-2-32
Enclosure (depending on electrical connection)			see page 4

Mechanical characteristics

Materials	Wetted parts	EN 10088-1; 1.4301 (AISI 304)
	Enclosure	EN 10088-1; 1.4404 (AISI 316 L)
	Electrical connections	see page 4
Net weight (depending on pressure connection and electrical connection)		0.15 – 0.3 kg

Mounting instructions 

Width across flats	24 mm
Mounting torque max.	20 Nm

Reference : danfoss.com

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