Danfoss DST P140 Data sheet

Data Sheet

Pressure transmitter

Type DST P140

For industry applications

The Danfoss Sensor Technology (DST) P140 is designed for use in industrial applications like Booster Pumps and Air Compressors.

Drawn from over 30 years of experience with MEMS technology, the DST P140 o€ers outstanding performance in a compact and durable stainless-steel package.

Running a powerful ARM-based microcontroller, the DST P140 o€ers diagnostic features and performance features at a competitive level.

Features

• Hermetically sealed media interface (all stainless steel, fully welded)

• Compact and cost e€ective design for OEM applications

• Superior shock and vibration resistance

• High overload and burst pressure

• Robust electronics platform for harsh electrical environments

AI318827388056en-000602

Pressure transmitter, type DST P140

Product speci€cation

Technical data

Table 1: Performance

	Accuracy @ 20 °C	≤ ±0.5% FS
	Total error band	0	- 100 ºC: 2%
		-40 - 0 ºC: 3%
	Response time	< 2 ms
	Overload pressure	4	× FS
	Burst pressure	5	× FS
	Durability, P: 10-90% FS	>10 mil. cycles

Table 2: Electricl speci€cations

Nom. output signal (short-circuit protected)	4	− 20 mA
Supply voltage [UB], polarity protected	8	- 28 V
Supply voltage dependency	≤ ±0.1% FS/10 V
Load [RL] (load connected to 0 V)	RL ≤ (UB-8V)/0.022 A

Table 3: Environmental conditions

Media temperature range			-20 –110 °C - (0.34*ambient)
Ambient temperature range			-40 – 85 °C
Storage temperature range			−50 –150 °C
EMC - Emission			EN 61000-6-3
EMC Immunity up to 6 GHz			EN 61000-6-2
Insulation resistance			> 100 MΩ at 500 V
Vibration resistance	Random	10 grms, 5 Hz - 2 kHz	IEC 60068-2-64
Shock resistance	Shock	500 g / 1 ms	IEC 60068 - 2 - 27
Enclosure with mating connector			IP67

Table 4: Mechanical characteristics

	Wetted parts	AISI 304L
		AISI 316L
	Electrical connections	see Electrical connections section
	Weight (depending on pressure connection and electrical connection)	< 100 g

© Danfoss | Climate Solutions | 2021.04

AI318827388056en-000602 | 2

Pressure transmitter, type DST P140

Output and diagnostics

4 - 20 mA example

Figure 1: Output and Diagnostics

21,5			Fault detection signal
20,5			Output clamping
20,0
<![if ! IE]> <![endif]>[mA]			function
<![if ! IE]> <![endif]>signal		transfer
<![if ! IE]> <![endif]>Output	Pressure
4,0			Output clamping
3,8
Zero			Full scale
	Application pressure

Output clamping levels

• Limit the output signal if the pressure rises above or falls below the normal range

Fault detection signal level

• Placed above the pressure output range. Output at this level signals a sensor fault Contact Danfoss for detailed information and requirements.

© Danfoss | Climate Solutions | 2021.04

AI318827388056en-000602 | 3