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Flow and Pressure VXG1.D2PA.20.4G XiLog 4G

Manufacturer: Ovarro
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Data Logger for Flow and Pressure Monitoring This data logger is designed for continuous flow and pressure monitoring in water supply networks. The device can be connected to a water meter pulse output as well as to a ½” pressure connection, allowing accurate recording of system parameters. The logger provides 24/7 monitoring of flow and pressure, enabling operators to detect changes in the network, increased water consumption or potential system faults at an early stage. The device can be configured with various alarm and notification settings, and can also generate daily reports on actual flow and pressure conditions within the network. The logger is primarily intended for water utilities, but it can also be effectively used in smaller water supply systems or industrial water networks. Model: Ovarro VXG1.D2PA.20.4G XiLog 4G – Dual Flow + Dual Pressure + Analogue + 10V / 4–20 mA inputs The logger is available in multiple configurations, depending on the required sensors and input options.
Description

Integrated Pressure Measurement

  • 2 internal pressure transducers

  • Measurement range: 0–20 bar

  • Accuracy: ±0.1% of full scale

  • Connection: Male quick release

  • Operating temperature (pressure transducers): from 0°C

Enables analysis of:

  • Static and dynamic pressure

  • Pressure drops

  • Surge events (water hammer)

  • Daily pressure variations

 

Digital Inputs for Flow

  • 2 digital inputs

  • Maximum pulse frequency: 1000 Hz

Logging modes:

  • Average flow rate

  • Volume

  • Digital totaliser

  • Bi-directional flow

  • Combination of two independent pulse streams into a single logged value

Supported calculations:

  • 1 min, 5 min, 15 min averages

  • 24-hour total volume

  • Minimum and maximum values

  • Standard deviation

 

Analogue Inputs

  • 1 × 0–20 mA

  • 1 × 0–2V / 0–5V / 0–10V

  • Accuracy: ±0.1% of full scale

  • Resolution: ±0.025% (12 bit)

Suitable for:

  • External pressure transducers

  • Level sensors

  • Electromagnetic flow meters

  • Other industrial sensors

 

 

Memory

  • 4 GB internal memory

Data Logging

  • Sampling interval: down to 1 minute

  • Cloud data transmission

  • Local data download

  • On-site Bluetooth connectivity

Communication Options

  • 4G / 3G / 2G

  • User-accessible NANO SIM

  • External antenna options

Advanced Underground Antenna

A state-of-the-art antenna specifically designed for underground use, combined with the integrated 4G modem, ensures maximum communication reliability in chambers and buried infrastructure.

Advantages:

  • Increased communication uptime

  • Reliable data transmission in weak signal environments

  • Reduced site visits

 

Power Supply and Operational Life

  • Internal battery: 3.6 V

  • Battery chemistry: Lithium Thionyl Chloride (non-rechargeable)

  • Standard battery life: up to 5 years
    (based on 15-minute logging interval and one transmission per day)

  • Field operational life can be extended to 10–15 years

This significantly reduces:

  • Labour costs

  • Maintenance frequency

  • Total Cost of Ownership (TCO)

 

Environmental Specifications

  • Operating temperature: -20°C to +60°C

  • Maximum relative humidity: 99%

  • Protection class: IP68
    (fully submersible to a depth of 1 m)

 

Specifications

  • Dimensions: 100 × 160 × 44 mm

  • Weight: 530 g

  • Body material: Extruded 6063 Aluminium

  • End caps: 30% glass-filled polypropylene

 

Software Compatibility

  • Centralised data management via Atrium platform

  • Android app for rapid XiLog4G configuration

  • Local on-site data download capability

  • Simple installation and operation

 

Applications in Water Utilities

✔ DMA zone monitoring
✔ Night flow analysis
✔ Surge (water hammer) monitoring
✔ Pressure stability control
✔ Water loss reduction programs
✔ Integration with SCADA and remote monitoring systems