Danfoss MBT 5550 Data sheet

Data Sheet

Temperature sensor

Type MBT 5550

With the MBT 5550 we have combined our temperature transmitter with a detachable thermowell MBT 120 enabling replacement of the transmitter while the application is in operation.

The MBT 5550 is designed for use in harsh environments where reliable, robust, and accurate equipment is required.

Features

• Designed for use in harsh marine & industrial environments where reliable, robust, and accurate equipment is required

• All metal enclosure parts made of stainless steel (AISI316)

• Output signals: 4 – 20 mA or Ratiometric 10 – 90%

• A wide selection of process and electrical connections are available

• Compact design

• Measuring range -15 to 200 °C

• Based on Pt 1000 sensor technology

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Temperature sensor, Type MBT 5550

Product speci€cation

Technical data

Table 1: Main speci€cations

Features	Description
Process connections	See page Ordering
Measuring ranges	Any combinations between -15 ‒200°C
Minimum span	50 °C
Output signals	4 – 20 mA or Ratiometric 10 – 90%
Electrical connections	See page Electrical connection

Table 2: Performance

				Indicative response times
	Features	Water 0.2 m/s			Air 1 m/s
		t0.5	t0.9	t0.5	t0.9
	ø8 mm	10 s	35 s	95 s	310 s
	Accuracy		Typical: < ± 0.5% FS, Maximum: < ± 1.0% FS
	Max. load protection tube			100 bar

Table 3: Electrical speci€cations

	Features		Nom. Output signal (short-circuit protected)
		4 – 20 mA	Ratiometric 10 – 90% of supply voltage
	Supply voltage [US] polarity protected	10 – 30 V DC	4.75 – 8 V DC
			5 V DC (Nom.)
	Supply – current consumption	-	< 4 mA at 5 V DC
	Insulation resistance	> 100 MΩ at 100 V DC	> 100 MΩ at 100 V DC
	Supply voltage dependency	< ± 0.05% FS/10 V	-
	Current limitation	30 mA	-
	Output impedance	-	< 25 Ω
	Load [RL]	RL<(US-10) / (0.02 A) ohm	RL> 5 kohm at 5 V DC

Table 4: Environmental conditions

	Features		Description
	Media temperature		-15 ‒200 °C
	Temperature on electronics(1)		-40 – 85 °C
	Transport temperature range		-50 – 85 °C
	EMC – Emmision		EN 61000-6-3
	EMC – Immunity		EN 61000-6-2
		Sinusoidal 15.9 mm-pp, 5 – 25 Hz	-
	Vibration stability	4 g, 25 Hz – 2 kHz	IEC 60068-2-6
		Random 7.5 gms, 5 Hz – 1 kHz	IEC 600868-2-34, IEC 60068-2-36
	Shock resistance	Shock 500 g/1 ms	IEC 60068-2-27
		Free fall	IEC 60068-2-32
	Enclosure (depending on electrical connections)		See page Electrical connection

(1) Temperature of the electronics depends on the media temperature, extension length, ambient temperature and air velocity.

Table 5: Mechanical characteristics

	Features		Description
	Materials	Wetted parts	W.no. 1.4571 (AISI 316 Ti)
		Enclosure	W.no. 1.4404 (AISI 316 L)
	Measuring insert		Fixed
	Net weight (depending on design)		0.15 ‒0.2 kg

© Danfoss | Climate Solutions | 2022.03

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Temperature sensor, Type MBT 5550

Electrical connection

Table 6: Electrical connection

	EN 175301-803	AMP Econoseal	IEC 947-5-2	Flying leads	2 m screened cable
		J series (male)	M12 × 1
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			Enclosure
	IP65	IP67	IP67	IP67	IP67
			Materials
	Glass ‡lled polyamid, PA 6.6	Glass ‡lled polyamid, PA 6.6	Glass ‡lled polyamid, PA 6.6	Glass ‡lled polyamid, PA 6.6	PUR
		Electrical connection, 4 – 20 mA output (2 wire)
	Pin 1: +supply	Pin 1: +supply	Pin 1: +supply	Red wire: +supply	Red wire: +supply
	Pin 2: ÷supply	Pin 2: ÷supply	Pin 2: Not used	Black wire: ÷supply	White wire: ÷supply
	Pin 3: Not used	Pin 3: Not used	Pin 3: Not used		Red/black wire: Not used
	Earth: connected to MBT		Pin 4: ÷supply		Screen: connected to MBT
	housing				housing
		Electrical connection, Ratio metric (3-wire) 10 – 90%
	Pin 1: +supply	Pin 1: +supply	Pin 1: +supply	Red wire: +supply	Red wire: +supply
	Pin 2: ÷supply	Pin 2: ÷supply	Pin 2: not used	Black wire: ÷supply	White wire: ÷supply
	Pin 3: Output	Pin 3: Output	Pin 3: Output	Blue wire: Output	Red/black wire: Output
	Earth: connected to MBT		Pin 4: ÷supply		Screen: connected to MBT
	housing				housing

© Danfoss | Climate Solutions | 2022.03

AI391832931068en-000102 | 3