DANFOSS MBS 1200/1250 Series Pressure Transmitter

DANFOSS MBS 1200/1250 Series Pressure Transmitters are compact pressure transmitters engineered for hydraulic applications. The MBS 1250 includes an integrated pulse snubber, which helps protect the sensor against cavitation and liquid hammer. The MBS 1200, on the other hand, is supplied without an integrated pulse snubber.

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DANFOSS MBS 1200/1250 Series Pressure Transmitter

Key features

Designed for rugged OEM use in harsh or demanding operating conditions
Suitable for medium temperatures and ambient conditions up to 125°C
Supports all common standard output signals: 4–20 mA, 0–5 V, 1–5 V, 1–6 V, 0–10 V, and 10–90% (ratiometric)
Stainless-steel wetted parts for reliable performance with hydraulic fluids
Wide range of pressure and electrical connection options
High EMC immunity up to 100 V/m

Performance (EN 60770)

Accuracy (incl. nonlinearity, hysteresis and repeatability)	± 0.5% FS
Thermal zero point shift	<± 0.15% FS / 10K
Thermal span shift	<± 0.15% FS / 10K
Response time liquids (10 – 90%)	> 0.5 ms
Durability, P: 10 – 90% FS	>10 × 10⁶ cycles

Overload and burst pressure – without pulse-snubber (MBS 1200)

Nominal pressure [bar]	10	16	25	40	60	100	160	250	400	500	600	1000*	1600*	2200*
Overload pressure	30	48	80	80	140	200	320	500	800	1400	1400	2000	2500	3000
Burst pressure	400	640	800	800	1400	2000	1600	2500	4000	>4000	>4000	>4000	>4000	>4000

Overload and burst pressure – with integrated pulse-snubber (MBS 1250)

Nominal pressure [bar]	10	16	25	40	60	100	160	250	400	500	600
Overload pressure	30	48	120	120	210	300	480	750	1200	2100	2100
Burst pressure	400	640	800	800	1400	2000	1600	2500	4000	>4000	>4000

Electrical specifications

Nom. output signal	4 – 20 mA	0 – 5, 1 – 5	0 – 10 V	10 – 90%
(Short-circuit protected)	(2 wire)	1 – 6 V	0 – 10 V	ratiometric
Supply voltage [UB], polarity protected	8 – 30 V	8 – 30 V	12 – 30 V	5 V ± 0.5 V
Supply – current consumption	–	4.5 mA	4.5 mA	4.5 mA
Output impedance	–	≤ 90 Ω	≤ 90 Ω	≤ 90 Ω
Load [RL] (connected to 0 V )	See chart below	RL ≥ 10 kΩ	RL ≥ 10 kΩ	RL ≥ 5 kΩ
Load [RL] (connected to + V )	See chart below	Not possible	Not possible	RL ≥ 5 kΩ