Level Sensors

P-Series Sensors

Part No. NMS

Ultrasonic sensors for level measurement

P-Series sensors are suitable for continuous level measurement in the water and wastewater sector. For connection to NivuMaster-Series evaluation units. Suitable for harsh ambient conditions.

Description
  • Very low in maintenance through non-contact measurement
  • Extremely versatile thanks to measurement ranges from 0.07 m to 40 m
  • Protection IP 68
  • ATEX approval for Ex-Zone 0 and 1
  • Alarm output in case of flooding possible
  • Resistant to moisture, aggressive environments and heavy temperature fluctuations

The ultrasonic sensors with integrated temperature compensation for connection to NivuMaster- Series evaluation units provide a wide variety of measuring options for liquids.

The sensors provide accurate and reliable readings even in narrow tanks, no matter what measurement range or application. False echoes reflected from built-in obstructive constructions are negligible since they will be avoided automatically.
The sensors are available with 1"-thread or as flange version according to DIN and thus can be installed without any problems.

 

Typical applications for P-Series sensors

  • Level measurements in the water and wastewater sector
  • Flow measurements in open flumes and weirs
  • Volume measurements in tanks
  • Comparative measurements on screens
  • Pump control in pump stations
Technical Data
Common
Process connection

1"BSP/NPT Standard

Echo evaluation

Automatic and self-learning echo suppression

Cable lengths

5, 10, 20, 30, 50 or 100 m; other lengths upon request

Ex-Approval

II 2GD Ex m II T6 (II 1GD Ex ia IIC T6 also available, only in connection with intrinsically safe transmitter)

Protection

IP68 (5 Bar)

Enclosure material:

Valox 357 PBT PVDF (optional)

Specifications subject to change.

Optionen
Flood protection head
  • To generate echo loss and alarm output in case of flooding
  • No soiling of sensor face output in case of flooding and hence no cleaning of the sensor face required (not for P 25 and P40)

 

Flange type

Flanges DIN DN80 / DN100 / DN150 / DN200, ANSI 3" / 4" / 6" / 8" (only for P-6, P-10 and P-15)

 

Enclosure material:

PVDF for aggressive Medias, max. 70 °C (for P-6, P-10 and P-15)

Coating of transmitter surface

Sensor face with soft foam coating for dusty bulk solids (only for P-6, P-10 and P-15)

Specifications subject to change.

P-M3
Measurement uncertainty

1 mm

Resolution

0,5 mm

Beam Angle

<10°

Operating temperature

−30 to +95 C° (Ex-Zone −30°C do 75°C)

Transmit frequency

125 kHz

Measurement range

0,07 m - 2,4 m

Specifications subject to change.

P-3
Transmit frequency

125 kHz

Measurement uncertainty

+/− 0,25 % of the current measurement range

Resolution

2 mm

Beam Angle

<10°

Operating temperature

−30 to +95 C° (Ex-Zone −30°C do 75°C)

Measurement range

0,125 m - 3 m

Specifications subject to change.

P-6
Transmit frequency

75 kHz

Measurement uncertainty

+/- 0,25 % of the current measurement range

Resolution

2 mm

Beam Angle

<10°

Operating temperature

-40 °C to +90 °C (Ex-Zone -40 °C to +75 °C)

Measurement range

0,3 m - 6 m

Specifications subject to change.

P-S6
Resolution

2 mm

Measurement uncertainty

+/− 0,25 % of the current measurement range

Beam angle

< 10°

Operating temperature

−40 °C to +90 °C (Ex-Zone −40 °C to +75 °C)

Transmit frequency

50 kHz

Measurement range

0,2 m - 6 m

Specifications subject to change.

P-10
Transmit frequency

50 kHz

Measurement uncertainty

+/− 0,25 % of the current measurement range

Resolution

2 mm

Beam Angle

<10°

Operating temperature

−40 °C to +90 °C (Ex-Zone −40 °C to +75 °C)

Measurement range

0,3 m - 10 m

Specifications subject to change.

P-15
Measurement uncertainty

+/− 0,25 % of the current measurement range

Transmit frequency

50 kHz

Resolution

2 mm

Beam Angle

< 10°

Operating temperature

−40 °C to +90 °C (Ex-Zone −40 °C to +75 °C)

Measurement range

0,5 m -15 m

Specifications subject to change.

P-25
Measurement uncertainty

+/− 0,25 % of the current measurement range

Resolution

2 mm

Beam Angle

< 10°

Operating temperature

−40 °C to +90 °C (Ex-Zone −40 °C to +75 °C)

Transmit frequency

30 kHz

Measurement range

0,6 m - 25 m

Specifications subject to change.

P-40
Measurement uncertainty

+/− 0,25 % of the current measurement range

Resolution

2 mm

Beam Angle

< 7°

Operating temperature

−40 °C to +90 °C (Ex-Zone −40 °C to +75 °C)

Transmit frequency

20 kHz

Measurement range

1,2 m - 40 m

Specifications subject to change.

Downloads

Data Sheet P-Series

P-Series – Sensors for non-contact level measurement

Instruction Manual P-Series

Instruction Manual for NivuMaster P-Series Ultrasonic Sensors

Declaration of Conformity Ultrasonic Sensors P-Series

Ultraschallsensoren P-Serie

Declaration of Conformity Ex Ultrasonic Sensors P-Series

Ex Ultraschallsensoren P-Serie

EC type examination certificate P-Series

EC type examination certificate P-Series

EC type examination certificate P-Series

EC type examination certificate P-Series

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