PY9951

PY9951

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PY9951

Pressure sensor with display PY9951

Product characteristics

Output signal

switching signal; analogue signal; (configurable)

Measuring range

0…250 bar

0…3625 psi

0…25 MPa

Process connection

threaded connection G 3/4 external thread

Application

Special feature

Gold-plated contacts

Media

viscous media and liquids with suspended particles

Medium temperature [°C]

-25…80

Min. bursting pressure

850 bar

12300 psi

85 MPa

Pressure rating

400 bar

5800 psi

40 Mpa

Type of pressure

relative pressure

No dead space

yes

Electrical data

Operating voltage [V]

18…36 DC; (according to EN 50178 SELV/PELV)

Current consumption [mA]

< 50

Min. insulation resistance [MΩ]

100; (500 V DC)

Protection class

III

Reverse polarity protection

yes

Overvoltage protection

yes; (< 40 V)

Power-on delay time [s]

0.3

Integrated watchdog

yes

Inputs / outputs

Number of inputs and outputs

Number of digital outputs: 1; Number of analogue outputs: 1

Outputs

Total number of outputs

Output signal

switching signal; analogue signal; (configurable)

Electrical design

PNP

Number of digital outputs

Output function

normally open / normally closed; (parameterisable)

Max. voltage drop switching output DC [V]

Permanent current rating of switching output DC [mA]

250

Switching frequency DC [Hz]

< 170

Number of analogue outputs

Analogue current output [mA]

4…20

Max. load [Ω]

(Ub – 10 V) / 20 mA

Analogue voltage output [V]

0…10

Min. load resistance [Ω]

2000

Short-circuit protection

yes

Type of short-circuit protection

pulsed

Measuring/setting range

Measuring range

0…250 bar

0…3625 psi

0…25 MPa

Set point SP

2…250 bar

40…3620 psi

0.2…25 MPa

Reset point rP

1…249 bar

20…3600 psi

0.1…24.9 MPa

In steps of

1 bar

20 psi

0.1 MPa

Accuracy / deviations

Switch point accuracy [% of the final value]

< ± 0,5

Repeatability [% of the final value]

< ± 0,1; (with temperature fluctuations < 10 K)

Characteristics deviation [% of the final value]

< ± 0,5

Hysteresis deviation [% of the final value]

< ± 0,25

Long-term stability [% of the final value]

< ± 0,05

Response times

Delay time programmable dS, dr [s]

0; 0,2…50

Max. response time analogue output [ms]

Software / programming

Parameter setting options

hysteresis / window; normally open / normally closed; switch-on/switch-off delay; Damping; Display unit; current/voltage output

Operating conditions

Ambient temperature [°C]

-20…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 61000-4-5 Surge	0,5/1 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]

219

Pressure Equipment Directive

Sound engineering practice; can be used for group 2 fluids; group 1 fluids on request

Mechanical data

Weight [g]

286

Materials

stainless steel (1.4301 / 304); stainless steel (1.4404 / 316L); PC; PBT; PEI; FKM

Materials (wetted parts)

stainless steel (1.4404 / 316L); ceramics; FKM

Min. pressure cycles

100 million

Process connection

threaded connection G 3/4 external thread

Displays / operating elements

Display

Display unit	3 x LED, green
switching status	LED, yellow
function display	alphanumeric display, 4-digit
measured values	alphanumeric display, 4-digit

Remarks

Pack quantity

1 pcs.

Electrical connection

Connection

Connector: 1 x M12; Contacts: gold-plated

Pressure sensor with display PY9951

Application

Measuring/setting range

Mechanical data

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