Level Sensors

OCL Air-Ultrasonic Sensor

Part No. OCL

for level measurement in combination with flow measurents

Intelligent air-ultrasonic sensor for connection to flow transmitters such as NivuFlow 750, OCM Pro and PCM for non-contact level measurement in part filled flow measurement places.

Description
  • Direct sensor connection to flow transmitters such as NivuFlow 750, OCM Pro and PCM
  • Small construction height
  • Low dead zone
  • Digital echo processing and linearisationNarrow beam angle
  • Optimised construction for small pipes
  • Easy installation using pipe mounting system or direct fasting using bolts
  • View echo profiles on the transmitter
  • Integrated temperature compensation
  • ATEX approval for Ex-Zone 1

The compact air-ultrasonic sensor Type OCL has been developed for direct connection to portable and permanent flow transmitters such as NivuFlow 750, OCM Pro and PCM.
Thanks to the slim construction it is ideally suitable for use in the crown of small and large pipes, on channel ceilings or other constructions.
The low dead zone allows to measure variable levels in flow applications almost up to full filling. The integrated temperature measurement ensures very high accuracies over the entire very wide measurement range.
The ATEX approval in Ex Zone 1 is a standard feature.

Technical Data
Common
Measurement uncertainty

< +/- 0.5% of measurement range or +/- 5 mm of measurement range (whichever is greater)

Dead zone (starting at mounting plate)

14 cm

Level measurement range

0 to 200 cm

Construction

wedge sensor

Cable lengths

10/15/20/30/50/100 m

Operating pressure

max. 1 Bar

Storage temperature

-30°C to +70 °C

Operating temperature

-20°C to +50 °C (+40 °C in Ex Zone 1)

Ex-Approval

G Ex ib IIB T4 Gb (ATEX)

Ex ib IIB ic (IECEX)

Protection

IP 68

Measurement frequency

120 KHz

Measurement principle

Ultrasonic transit time

Specifications subject to change.

Downloads

Technical Instructions Correlation Sensors

Technical instructions for correlation sensors and external electronic box

Installation Instruction for Correlation and Doppler Sensors

Installation instruction for save installation 

EC type examination certificate sensor type POA, OCL and CS2

EC type examination certificate sensor type POA incl. supplement

IECEx Certificate of Conformity "Sensors type POA, OCL and CS2"

Declaration of Conformity Ultrasonic Active Sensors POA / OCL / CS2

Ultraschall-Aktivsensoren POA / OCL / CS2

EU Declaration of Conformity | “Ex” Ultrasonic active sensors POA / OCL / CS2

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