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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.

**Errors and omissions excepted (E&OE)

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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 12 hours of continuous testing before recharge is necessary.

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.
  • Certified Intrinsically Safe to: ATEX Marking Group I & Group II; CSA Class 1 Group A, B, C & D Division 1; IECEx Ex ia IIC T2/T3/T6 Ga, Ex ia I Ma
  • For use in Zone 0, Zone 1 hazardous areas
  • No plant shutdown or hot work permit necessary
  • Heavy duty sealed unit – IPX5 rated – highly 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.
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 or 0.05 mm (selectable)
Power NiMH rechargeable battery pack
Battery Life 12 hours’ continuous operation
Display Large, bright LED display
Size 235 x 75 mm
Weight 1040 gm – with probe
940 gm – with fixed head probe
(including batteries)
Operating Temp -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 = -20 to 40 C)CSA Class 1 Group A, B, C & D Division 1IECEx Ex ia IIC T2/T3/T6 Ga
Ex ia I Ma
Standards Designed for EN 15317
Environmental Protection IPX5

DATA SHEET

 

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
 
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