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Cygnus 1 Intrinsically Safe

Multiple Echo Ultrasonic Thickness Gauge

The Cygnus 1 Intrinsically Safe is a rugged, shock-proof multiple echo ultrasonic surface thickness gauge designed for safely measuring metal thickness to determine wastage or corrosion in potentially explosive environments. By using multiple echo technology the metal thickness gauge measurements are error checked using 3 return echoes to provide repeatable, reliable results.

Supplied ready to use in a protective carry case with 2 rechargeable batteries, the Cygnus 1 Intrinsically Safe can achieve up to 10 hours of continuous testing before recharge is necessary.

Cygnus Instruments builds all of its equipment in the UK using only genuine and original parts and components – including Lemo® Connectors and Peli® Cases.

Features

  • Certified Intrinsically Safe to: ATEX Marking Group I & Group II, CSA Class 1 Group A, B, C & D Division 1
  • For use in Zone 0, Zone 1 hazardous areas
  • No plant shutdown or hot work permit necessary
  • Heavy duty sealed unit – IPX5 and IPX7 rated – highly water / dirt / dust resistant
  • Rugged, durable, shock proof construction
  • Stable calibration – linear accuracy – no zero adjustment
  • Self verification of the measurements to ensure accuracy
  • Various probe options
  • Two rechargeable batteries with charger
  • Displays sound velocity settings
  • Echo strength indicator to aid measurement
  • Bright LED display with polarised filter
  • Probe frequency selectable
  • Low battery warning
  • Metric / imperial switchable
  • Also approved for use in mines.

 

Kit Content

Instrument, heavy duty probe (2.25 MHz 13 mm diameter), 2 rechargeable batteries and battery charger, spare membranes and ‘O’ rings, steel test block, calibration trim tool, couplant, operation manual and carry case.

 

Applications

  • Chemical plants
  • Dry, dusty environments where ignition could occur
  • Fuel depots
  • Grain processing plants
  • LPG vessels
  • Oil and gas production facilities such as pipelines and offshore platforms
  • Petroleum, chemical storage tanks
  • Processing vessels
  • Road transport tankers carrying potentially explosive contents
  • Structures and facilities in mines.
Materials Sound velocities between 2000 m/s and 7000 m/s – covers virtually all common engineering materials
Measurement Range in Steel 3 – 250 mm with 2.25 MHz probe
2 – 150 mm with 3.5 MHz probe
1 – 50 mm with 5 MHz probe
Accuracy ±0.1 mm (±0.004”) or 0.1% of thickness measurement, whichever is greatest, when calibrated in accordance with Cygnus Instruments calibration procedure
Resolution 0.1 mm or 0.05 mm (selectable)
Power NiMH rechargeable battery pack
Battery Life 10 hours’ continuous operation
Display Large, bright LED display
Size 235 x 75 mm
Weight 1040 g with remote probe (inc. batteries)
Operating Temperature -10°C to +50°C
Certification ATEX:
{Ex} I M 1 Ex ia I Ma (Ta = 0 to 45 C)
{EX} II 1 G Ex ia IIC T6 Ga (Ta = 0 to 45 C)

CSA Class 1 Group A, B, C & D Division 1

Environmental Protection IPX5 & IPX7
Compliance CE, British Standard BS EN 15317:2013

For optimum performance of the ultrasonic thickness gauge it is essential to utilise the appropriate probe for the specific material being tested. Here below are the probe options available:

Single Crystal Soft-Faced Compression 6 mm – 5 MHz
13 mm – 2.25, 3.5 or 5 MHz
19 mm – 2.25 MHz

For optimum performance of the ultrasonic thickness gauge it is essential to utilise the appropriate probe for the specific material being tested. Here below are the probe options available.

Single Crystal Soft-Faced Compression:
6 mm – 5 MHz
13 mm – 2.25, 3.5 or 5 MHz
19 mm – 2.25 MHz
 For more details on probe selection, please go to the Ultrasonic Probes page.

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