Pressure Transmitters, เครื่องตรวจแรงดัน, เครื่องส่งสัญญาณความดัน, เครื่องส่งสัญญาณแรงดัน

DANFOSS DST P92S Series SIL2 Pressure Transmitter

Pressure Transmitter DANFOSS DST P92S Series SIL2 is an OEM-grade pressure transmitter engineered for both mobile and industrial hydraulic systems. It is designed for applications that require functional safety compliance, supporting SIL2 and PL d requirements as part of a safety-related system architecture.

With a wide measuring range from 0–10 bar up to 0–1200 bar, the series offers dual-output signal options (e.g., 4–20 mA / 20–4 mA). Wetted parts are made of stainless steel, and the robust design is rated to IP67, making it a reliable choice for demanding hydraulic applications and heavy-duty machinery where long-term stability is essential.

Categories Pressure Transmitter, Tools and other machine Tags Pressure Transmitters, เครื่องตรวจแรงดัน, เครื่องส่งสัญญาณความดัน, เครื่องส่งสัญญาณแรงดัน Brand: DANFOSS

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DANFOSS DST P92S Series SIL2 Pressure Transmitter | OEM Pressure Transmitter for Hydraulic Systems

DANFOSS DST P92S Series SIL2 is a pressure transmitter developed for OEM integration in both mobile hydraulics and industrial hydraulic installations. It is built to deliver durability, consistent performance, and dependable measurement accuracy—while supporting functional safety concepts for systems designed to meet SIL2 (IEC 61508:2010) and/or PL d (EN ISO 13849-1:2015), depending on the overall system design.

The DST P92S Series is well suited to harsh operating conditions, including high-pressure hydraulics, heavy machinery, mobile equipment, and production environments that demand fast, stable pressure feedback. Its strong long-term stability helps reduce control drift and supports reliable operation over time.

For media compatibility and endurance, wetted parts are manufactured from stainless steel and paired with a Viton seal (per medium-contact material specification). The housing is designed to withstand demanding environments, features an IP67 protection rating, and meets EMC requirements for stable integration with modern control systems.

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Key Features of DANFOSS DST P92S Series SIL2

Designed for demanding hydraulic applications in both mobile and industrial machinery
Supports functional safety requirements up to SIL2 (IEC 61508:2010) and PL d (EN ISO 13849-1:2015), depending on system architecture
Wide pressure ranges from 0–10 bar to 0–1200 bar (depending on variant)
Dual-output options such as 4–20 mA / 20–4 mA (or ratiometric 10–90% / 90–10%, depending on model)
Fast liquid response time (10–90%) of approximately 2 ms, suitable for responsive control loops
Stainless-steel wetted parts with Viton sealing for improved durability in hydraulic media
IP67 protection rating with electrical protections including short-circuit and reverse-polarity protection

Accuracy (incl. non linearity, hysteresis and repeatability)	< 0.5% FS 1)
Overall accuracy under reference conditions	+/- 1% FS [0 – 85 °c]
	+/- 1,5% FS [-25 – 0 °c]
	+/- 2,5% FS [-40 – -25 °c]
Long-run stability	<0,2% FS p.a.
Response time liquids (10 – 90%)	2 ms

1) 1, Load 100 Ω, temperature in steady state, accuracy valid for output 1 for 4 – 20 mA

Overload and burst pressure

Standard pressure [bar]	40	60	100	160	250	400	600
Overload pressure [bar]	80	120	200	320	500	800	1200
Burst pressure [bar]	400	600	1000	1600	2500	4000	>4000

Environmental conditions

Media temperature range		– 40 – 125 °C
Operating temperature range		-40 – 85 °C
Storage temperature range		-40 – 100 °C
Voltage supply		9 – 32 V DC, alloable ripple @50Hz: 10% (for current output)
		5V ±10% (for ratiometric voltage output)
Electrical Protection		Short circuit protected, signal on GND/VCC and reverse polarity protection
Electric Magnetic Compatibility Directive [EMC]		2014/30/EU
		DIN EN 61326-1
		DIN EN 61326-2-3
		DIN EN 61326-3-1
EMC		E1 type approval: All vehicle types with a 12 V or 24 V – electrical wiring and battery (-) at the body
Vibration stability	20 g	EN60068-2-6
Shock mechanical	500 g	EN60068-2-27
Enclosure		1.4301/ PBT-GF30
Material with medium contact		1.4548/Viton
Weight		50 g
Enclosure		IP67

Functional safety

Machinery Directive [MD]	2006/42/EC
IEC 61508:2010	SIL 2	Safety related subsystem, type B
	1oo1 architecture	SFF 95.8% 4-20mA / 93,1%
		ratiometric (incl. control unit)
	HFT 0	PFH 6.110-9 (4-20 mA) / 4.910-9
		(ratiometric)
EN ISO 13849-1:2015	PL d	CCF 70 points
	Category 2	MTTFd high >100 years
	DC medium (incl. control unit)
Safety function	Safety conversion of the measured pressure into two proportional opposing current signals. Refer also to the Safety guide.

Dimensions

Electrical connections

Ordering

Type	Measuring range	Pressure connection	Electrical connection	Electrical output	Code no
DST P92S	0 – 40 bar	G1/4 DIN 3852-E	M12	4-20mA / 20-4mA	078G1000
DST P92S	0 – 60 bar	G1/4 DIN 3852-E	M12	4-20mA / 20-4mA	078G1001
DST P92S	0 – 100 bar	G1/4 DIN 3852-E	M12	4-20mA / 20-4mA	078G1002
DST P92S	0 – 160 bar	G1/4 DIN 3852-E	M12	4-20mA / 20-4mA	078G1003
DST P92S	0 – 250 bar	G1/4 DIN 3852-E	M12	4-20mA / 20-4mA	078G1004
DST P92S	0 – 400 bar	G1/4 DIN 3852-E	M12	4-20mA / 20-4mA	078G1005
DST P92S	0 – 600 bar	G1/4 DIN 3852-E	M12	4-20mA / 20-4mA	078G1006