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Level measurement in a double chamber silo

The Challenge

A German manufacturer of food packaging stores its plastic granules in a few double chamber silos. The challenge in this application is to measure the lower chamber through a long tube leading from the silo through the upper chamber. A non-contact sensor such as ultrasound or radar does not work reliably because the long tube attenuates the reflected signal or even leads to incorrect measurements by wrong echos.

A full and low-level signal by limit switches has also to be integrated into the control system.

Our Solution

The upper as well as the lower silo chamber can be measured with the electromechanical system Nivobob NB3100. Both can be installed on the silo in standard flanges or 1.5 "thread sockets. Simple sensor installation and sensor commissioning was possible in this double chamber silo. The sensor weight passes through the tube into the lower chamber until it has contact with the plastic granulate and moves back to the upper end position. The setting of the measuring range can be made in the menu of the Nivobob.

The silo filling alarm is carried out by a Rotonivo RN3002 with a flexibly configurable extension, and a Rotonivo RN3004 with a protective tube and lateral installation is used for the empty message. This sensor can withstand high mechanical product loads and can be installed without a protective canopy.

Products

With the following products our customer has solved this measurement task optimally:

NB 3100 Rope Version

Continuous Level Measurement

  • Suitable for use in most granular and coarse bulk materials.
  • Threaded or flange mounting.
  • Measuring range up to 30m.
  • Convenient level monitoring via Modbus interface together with price competitive Nivotec 3500/4500.

RN 3002 Tube Extension

Full Detector
Tube extension version

  • Vertical or oblique installation.
  • Protection tube ensures high mechanical load strength to the shaft.
  • Flexible height adjustment.

RN 3004 Horizontal Tube Extension

Full, Demand, Empty Detector
Protection tube version

  • Horizontal, vertical and diagonal installation.
  • Extremely robust due to protection tube, able to withstand heavy mechanical load.
Contact

UWT GmbH

Westendstr. 5
87488 Betzigau, Germany
infouwt.de

Tel: +49 831 571 23 - 0
Fax:+49 831 571 23 - 10

Opening Hours
Monday to Friday from 0800 until 1700
Friday from 0800 until 1500
Via Fax or E-Mail around the clock

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Sales Team D/A/CH Region
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You can also get in touch via our contact form.

UWT Locations

Our offices - worldwide

UWT worldwide

UWT GmbH - Level Control

The UWT Headquarter in Betzigau

Westendstr. 5
87488 Betzigau, Deutschland

Tel: +49 831 57123-0
Fax: +49 831-57123-10

Contact: Kevin Walter
E-Mail: kevin.walteruwt.de
Website: www.uwt.de 

Route Planner

Adpro-Instruments / Member of UWT Group

Foundation of a production plant in Malta

 

Second UWT production plant in:

Paola, Malta

UWT (UK) Ltd

Foundation of the sales subsidiary UWT (UK) Ltd.

20 Main Road, Dorrington
SY5 7JW, Shrewsbury, Shropshire, UK

Tel:  +44 1743 718883
Fax: +44 1743 718883

Contact: Graeme Hughes
E-Mail: graeme.hughes(at)uwtuk.com
Website: www.uwtuk.com

UWT Level Controls LLC

Foundation of the joint venture with "UWT LLC"

4445 Malone Road
P.O. Box 18769
38118, Memphis TN, USA

Contact: Arne Watland
Tel: +1 901 531 6090
Fax: +1 901 531 6095

E-Mail: infouwtlevel.com
Website: www.uwtlevel.com

UWT Level Control India Pvt. Ltd.

The subsidiary in India

Head Office:
UWT Level Control India Pvt. Ltd.
Plot No 52 Udyog Vihar Phase-VI
Sector 37 122001
Gurgaon, Haryana, India

Phone: +91 124 412 1600
Fax: +91 124 412 1611 

Homepage: www.uwt-india.com

Contact: Sumit Majumder
Country Manager
sumit.majumderuwt-india.com
Mobile: +91 9830879115

Communication:
Flat – 3B, 9 Majhipara Road
James Long Sarani
Kolkata – 700 063, India


North Regional Office:
UWT Level Control India Pvt Ltd.
Plot No 52 Udyog ViharPhase-VI
Sector 37 122001
Gurgaon, Haryana, India

Phone: +91 124 412 1600
Fax: +91 124 412 1611 

Contact: Prakhar Kapoor
Asst. Area Manager
prakhar.kapooruwt-india.com
Mobile: +91 971 721 3939

West Regional Office:
UWT Level Control India Pvt Ltd.
RK Plaza, Survey No. 206/3
Plot No. 17 Viman Nagar
Pune-411014, India

Phone: +91 202 674 1000
Fax: +91 202 674 1001 

Contact: Vikas Kirange 
Area Manager
vikas.kirangeuwt-india.com
Mobile: +91 8698904455 

East Regional Office:
UWT Level Control India Pvt. Ltd.
Flat – 3B, 9 Majhipara Road
James Long Sarani
Kolkata – 700 063, India

Contact: Sunirmal Bardhan
Regional Manager
sunirmal.bardhanuwt-india.com
Mobile: +91 9830400715

Central Regional Office:
UWT Level Control India Pvt. Ltd.
House No. 221, Rudralaya, (2nd Floor)
Sec – 1, Professor Colony, Near Sarvodaya High School
Raipur – 492001
Chhattisgarh, India

Contact: Mr. Shuvankar Das
Area Manager
shuvankar.dasuwt-india.com
Mobile: +917470775521

UWT RUS Level Measurement LLC

Foundation of the sales subsidiary UWT RUS Level Measurement

Dorozhnaya St., 8 b. 1, Of. K2-110
117545 Moskau
Russian Federation

Phone: +7 499 723-75-73

Contact: vasiliy.galaganuwtlevel.ru


Homepage: www.uwtlevel.ru

UWT International Trading (Shanghai) Co., Ltd.

UWT China moves into new premises

1st Floor, Plant No. 7,
Lane 333, Zhujian Road
Huacao Town, Minhang District
201107, Shanghai, China

Tel: +86 216 4684193
Fax: +86 216 4696707

Contact: Wei Gao
E-Mail: wei.gao(at)uwt.cn
Website: www.uwt.cn