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Flush pressure sensor

PF2957

PF-001BREB34-MFRKG/US/ /P

Flush pressure sensor

PF2957

PF-001BREB34-MFRKG/US/ /P

  • Combined level measurement and point level detection with analog / switching output
  • Programmable analog and switching output
  • With long-term stability thanks to high repeatability and low linearity error
  • Hygienic design for the requirements of the food and beverage industry
  • Flush mount installation in containers, tanks and pipes
Article to be discontinued
Alternative articles: PM1507 + E30482 Product comparison: PF2957 / PM1507 When selecting an alternative article and accessories please note that technical data may differ!
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Product characteristics
Number of inputs and outputs Number of digital outputs: 2; Number of analog outputs: 1
Measuring range
-0.05...1 bar -50...1000 mbar -0.7...14.5 psi -5...100 kPa
Process connection threaded connection G 3/4 external thread
Application
System gold-plated contacts
Application flush mountable for the food and beverage industry
Installation Freely rotatable housing 350°
Media viscous media and liquids with suspended particles; liquids and gases
Medium temperature [°C] -25...80
Min. bursting pressure
30000 mbar 450 psi 3000 kPa
Pressure rating
10000 mbar 145 psi 1000 kPa
Type of pressure relative pressure
No dead space yes
Electrical data
Operating voltage [V] 20...30 DC
Current consumption [mA] < 60
Min. insulation resistance [MΩ] 100; (500 V DC)
Protection class III
Reverse polarity protection yes
Power-on delay time [s] 0.2
Measuring principle hydrostatic
Integrated watchdog yes
Inputs / outputs
Number of inputs and outputs Number of digital outputs: 2; Number of analog outputs: 1
Outputs
Total number of outputs 2
Output signal switching signal; analog signal; (configurable)
Electrical design PNP/NPN
Number of digital outputs 2
Output function normally open / closed; (configurable)
Max. voltage drop switching output DC [V] 2
Permanent current rating of switching output DC [mA] 250
Switching frequency DC [Hz] < 170
Number of analog outputs 1
Analog current output [mA] 4...20; (scalable 1:4)
Max. load [Ω] (Ub - 10 V) / 20 mA
Analog voltage output [V] 0...10; (scalable 1:4)
Min. load resistance [Ω] 2000
Short-circuit protection yes
Type of short-circuit protection yes (non-latching)
Overload protection yes
Measuring/setting range
Measuring range
-0.05...1 bar -50...1000 mbar -0.7...14.5 psi -5...100 kPa
Set point SP
-45...999 mbar -0.7...14.5 psi -4.5...99.9 kPa
Reset point rP
-50...994 mbar -0.7...14.4 psi -5...99.4 kPa
Analog start point
-50...749 mbar -0.7...10.9 psi -5...74.9 kPa
Analog end point
200...999 mbar 2.9...14.5 psi 20...99.9 kPa
In steps of
1 mbar 0.1 psi 0.1 kPa
Factory setting
SP1 = 250 mbar rP1 = 230 mbar
ASP = 0 mbar AEP = 999 mbar
Accuracy / deviations
Repeatability [% of the span] < ± 0,1; (with temperature fluctuations < 10 K; Turn down 1:1)
Characteristics deviation [% of the span] < ± 0,6; (Turn down 1:1 , linearity, incl. hysteresis and repeatability , limit value setting to DIN EN IEC 62828-1)
Linearity deviation [% of the span] < ± 0,5; (Turn down 1:1)
Hysteresis deviation [% of the span] < ± 0,1; (Turn down 1:1)
Long-term stability [% of the span] < ± 0,1; (Turn down 1:1; per year)
Temperature coefficient zero point [% of the span / 10 K] < ± 0,1; (0...80 °C)
Temperature coefficient span [% of the span / 10 K] < ± 0,2; (0...80 °C)
Reaction times
Response time [ms] < 3
Damping process value dAP [s] 0...4
Damping for the analog output dAA in steps [s] 0 - 0,1 - 0,5 - 2
Max. response time analog output [ms] 3
Software / programming
Parameter setting options hysteresis / window; normally open / closed; switching logic; current/voltage output; Damping; adaptation of displayed values; display can be rotated and switched off; Display unit; Zero point; span
Operating conditions
Ambient temperature [°C] -25...80
Storage temperature [°C] -40...100
Protection IP 67
Tests / approvals
EMC
EN 61000-4-2 ESD 4 kV CD / 8 kV AD
EN 61000-4-3 HF radiated 10 V/m
EN 61000-4-4 Burst 2 kV
EN 61000-4-6 HF conducted 10 V
Shock resistance
DIN IEC 68-2-27 50 g (11 ms)
Vibration resistance
DIN IEC 68-2-6 20 g (10...2000 Hz)
MTTF [years] 170
Mechanical data
Weight [g] 268.5
Material stainless steel (1.4404 / 316L); PBT; PC; PEI; EPDM/X; FKM
Materials (wetted parts) ceramics (99.9 % Al2O3); stainless steel (1.4435 / 316L); surface characteristics: Ra < 0,4 / Rz 4; FKM; PTFE
Min. pressure cycles 100 million
Process connection threaded connection G 3/4 external thread
Displays / operating elements
Display
Switching status 2 x LED, red
Function display 7-segment LED display
Measured values 7-segment LED display
Display unit mbar; psi; kPa
Remarks
Notes Article to be discontinued
Pack quantity 1 pcs.
Electrical connection
Connection Connector: 1 x M12; coding: A; Contacts: gold-plated