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IPTech

Digester

LevelPoint Level
Digester

Overview

The organic components of sewage sludge are decomposed under anaerobic conditions in heated, closed digestion tanks. In the process, combustible gases such as methane are released from the sludge. These are collected in a biogas tank and then converted into electricity and heat in cogeneration (CHP) plants. A level sensor controls the filling of the digester. To ensure that no foam gets into the gas system along with the collected gas, a point level sensor is used for monitoring.

Operating Conditions

Measuring Task
Level measurement and point level detection
Measuring Point
Digestion tank
Medium
Sewage sludge
Measuring Range
0 … 7 m
Temperature
+10 ... +60 °C
Pressure
+1 … +5 bar

Challenges

  • Foam, buildup, gas overlay

Benefits

  • Reliable: Reliable level measurement and protection against foam overfill
  • Cost effective: Continuous, maintenance-free operation of the digester
  • User friendly: Low maintenance costs and reliable gas production

Recommended Products

Recommended Sensors

VEGA VEGAPULS 6X
Radar LevelLevel

VEGAPULS 6X

  • Exact measuring results independent of process conditions
  • Maintenance-free operation through non-contact measuring principle
  • Application-oriented configuration enables a simple device selection

VEGA

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VEGA VEGACAP 64
CapacitiveLevel

VEGACAP 64

  • Reduced number of cleaning cycles through measurement insensitive to buildup
  • Long lifetime and low maintenance requirement through robust construction
  • Reliable measurement with strong buildup through optimized construction

VEGA

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Wireless & Connectivity

VEGA PLICSMOBILE T81
Signal Conditioning

PLICSMOBILE T81

  • Monitor up to 15 sensors with one device
  • Pre-configured data transmission for quick setup
  • Self-sufficient installation without mains power supply

VEGA

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Software & Monitoring

VEGA Inventory System
Inventory

VEGA Inventory System

Inventory System

VEGA Inventory System (VIS) is a web-based software for real-time data acquisition, visualization, and logistics management of inventory levels in storage tanks and silos. Companies can manage their inventories proactively, ensuring greater flexibility in delivery schedules, expanding optimization options, and reducing stock discrepancies. Precise, real-time visualization of stocks allows deviations to be quickly identified, minimizing financial impact. The system combines reliable VEGA measurement technology for liquids and bulk solids with secure cloud-based or on-premises software, providing the basis for intelligent and strategic decisions for optimal inventory management. VIS supports both internal inventory monitoring and Vendor Managed Inventory (VMI) applications, where suppliers manage customer stock replenishment using real-time level data.

  • Real-time inventory monitoring across all connected storage locations via web browser or mobile app
  • Four visualization modes — Chart, Graphic, Map, and Trend — for comprehensive stock visibility
  • Color-coded traffic light status system (green/yellow/red) for instant stock level assessment

VEGA

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