• PM1789
  • IFM
Product characteristics
Output signalanalogue signal
Measuring range
-0.005...0.1 bar-5...100 mbar-0.073...1.45 psi-0.5...10 kPa
Process connectionthreaded connection G 1 external thread Aseptoflex Vario
Measuring elementceramic-capacitive pressure measuring cell
Applicationhygienic systems
Mediaviscous media and liquids with suspended particles; liquids and gases
Medium temperature [°C]-25...125; (150 max. 1h)
Pressure rating
4000 mbar58 psi400 kPa
Min. bursting pressure
30000 mbar435 psi3000 kPa
Vacuum resistance [mbar]-1000
Type of pressurerelative pressure
No dead spaceyes
MAWP (for applications according to CRN) [bar]4
Electrical data
Operating voltage [V]18...30 DC
Min. insulation resistance [MΩ]100; (500 V DC)
Protection classIII
Reverse polarity protectionyes
Integrated watchdogyes
Current consumption [mA]3.5...21.5
Power-on delay time [s]1
Current consumption [mA]< 45
Power-on delay time [s]0.5
Inputs / outputs
Number of inputs and outputsNumber of analogue outputs: 1
Total number of outputs1
Output signalanalogue signal
Number of analogue outputs1
Analogue current output [mA]4...20; (scalable)
Max. load [Ω]700; (Ub = 24 V; (Ub - 9 V) / 21.5 mA)
Short-circuit proofyes
Overload protectionyes
Measuring/setting range
Measuring range
-0.005...0.1 bar-5...100 mbar-0.073...1.45 psi-0.5...10 kPa
Analogue start point
-5...80 mbar-0.073...1.16 psi-0.5...8 kPa
Analogue end point
15...100 mbar0.218...1.45 psi1.5...10 kPa
In steps of
0.05 mbar0.001 psi0.005 kPa
Factory setting
ASP = 0.0 mbarAEP = 100 mbar 
Response times
Damping for the analogue output dAA [s]0...4
Step response time analogue output [ms]30
Step response time analogue output [ms]7
Operating conditions
Ambient temperature [°C]-25...80
Storage temperature [°C]-40...100
ProtectionIP 67; IP 68; IP 69K
Mechanical data
Weight [g]279.5
Materialsstainless steel (1.4404 / 316L); PBT
Materials (wetted parts)ceramics (99.9 % Al2O3); PTFE; stainless steel (1.4435 / 316L); surface characteristics: Ra < 0,4 / Rz 4
Min. pressure cycles100 million
Tightening torque [Nm]35; (recommended tightening torque depends on lubrication, seal and pressure rating)
Process connectionthreaded connection G 1 external thread Aseptoflex Vario
Displays / operating elements
Display unitmbar; psi; kPa; mmWS; inH2O
Electrical connection
ConnectionConnector: 1 x M12; Contacts: gold-plated


Overload-resistant ceramic measuring cell
Resistant to pressure peaks and vacuum
Fast installation and maintenance-free operation
Scalable analogue output
Intuitive, user-friendly handling

Model : PM1789
Hãng sản xuất: IFM
Chất lượng : Mới 100%
Bảo hành : Chính hãng
Chứng từ : CO/CQ, hóa đơn VAT

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