Enigma

A multi-point correlation system for locating leaks in buried pipes.

Enigma logo - An Ovarro technology

ON-SITE ACCURATE LEAK LOCATION

CORRELATING | EFFICIENT | ADVANCED

The Enigma combines noise logging and noise correlation into one operation to provide improved operational efficiency. This “Lift and Shift” correlating leak noise logger is designed to function as both a temporary or semi-permanent water network survey tool.
Features & Benefits At A Glance
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Finds and records leaks at night

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Detects and pinpoints several leaks in one deployment

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Powerful 24 bit data processing and analysis

Trouble free deployment

Enigma correlating leak noise loggers are deployed at multiple positions, typically on valves or hydrants, during normal working hours. They may be programmed for either daytime or night-time operation.

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Enigma correlators in a box
Water pipe leaking on to road
Consistently finds difficult leaks

The Enigma has a proven track record of finding leaks that competing products cannot find. The powerful 24 bit data processing and analysis enables it to provide the optimum in correlation technologies available.

The Enigma takes three sound samples which enables it to discriminate consumer usage from non revenue water loss. 

Finds and records leaks at night

Night-time recording avoids interference from consumers’ daytime water usage. Crucially, it also avoids costly night-time working.

Image of engineers repairing a leak at night

Frequency range

1-2400 Hz

Sensitivity

10 V/g

Attachment

Integral Magnet

Sampling Rate

4860 Hz

Resolution

24-bit

Number of epochs

1, 2, or 3

Epoch duration

60 seconds

Max total recording time

180 seconds

Memory Data store

32 Mb static RAM

Communications Type

Optical

Rate

2.5 Mbits/sec

Power Type

Dual lithium cells

Replaceable

At factory or service centre

Operating life

>5 years (when standard programming used)

Physical Dimensions

104mm (high) x 59mm (diameter)

Material

Aluminium

Waterproof

Submersible to IP68

Operating Temperature

-10°C to +60°C

Host Communications Type

USB

Rate

2.5 Mbits/sec

Data saved into case

One run (8 correlations)

Power Supply Type

User replaceable alkaline 4 cell pack

Physical Dimensions

8 logger: 410 x 325 x 172 mm

Physical Dimensions

3 logger: 270 x 246 x 174 mm

Material

Ruggedised high impact plastic

Waterproof

IP65

Operating Temperature

-10°C to +60°C
Download Specification Sheet
Download Enigma Programming Quick Reference Guide
Download Brochure
Download Enigma Readback Quick Reference Guide

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