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Intrinsically Safe ultrasonic thickness gauges for the toughest of environments

The Cygnus 1 Intrinsically Safe is a rugged, shock-proof multiple echo ultrasonic surface thickness gage designed for safely measuring metal thickness to determine wastage or corrosion in potentially explosive environments. By using multiple echo technology the metal thickness gage 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 can achieve up to 10 hours of continuous testing before recharge is necessary.

Certified Intrinsically Safe to:

Specs

Cygnus 1 Intrinsically Safe Brochure   Inquire about the Cygnus 1 Intrinsically Safe

Features

  • Certified Intrinsically Safe to: ATEX Marking Group 1 & Group 11 or CSA Class 1 Division 1 Group A, B, C & D
  • 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 polarized filter
  • Probe frequency selectable
  • Low battery warning
  • Imperial / metric switchable
  • Also approved for use in mines.

Options

For optimum performance of the ultrasonic thickness gage 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
1/4" (6 mm) - 5 MHz
1/2" (13 mm) - 2.25, 3.5 or 5 MHz
3/4" (19 mm) - 2.25 MHz

For more details on probe selection, please go to the Ultrasonic Probes page.

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Specification

Materials Sound velocities between 0.059 to 0.31 in/microsec (2000 m/s to 7000 m/s) - covers virtually all common engineering materials
Measurement Range in Steel 0.110" - 9.995" (3 mm - 250 mm) with 2.25 MHz probe
0.065" - 6.000" (2 mm - 150 mm) with 3.5 MHz probe
0.045" - 4.000" (1 mm - 50 mm) with 5.0 MHz probe
Accuracy 0.005" (0.1 mm) when calibrated in accordance with Cygnus Instruments calibration procedures
Resolution 0.005" (0.1 mm) or 0.002" (0.05 mm) (selectable)
Probes Single crystal soft-faced compression
1/4" (6 mm) - 5 MHz
1/2" (13 mm) - 2.25, 3.5 or 5 MHz
3/4" (19 mm) - 2.25 MHz
Power NiMH rechargeable battery pack
Battery Life 10 hours' continuous operation
Display Large, bright LED display
Size 9.252" x 3" (235 mm x 75 mm)
Weight 34.7 oz (1040 g) - with probe
33.2 oz (940 g) - with fixed head probe
(including batteries)
Operating Temp 14°F to 122°F (-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 Division 1 Group A, B, C & D
Environmental Protection IPX5 & IPX7
Compliance CE, British Standard BS EN 15317:2013

Kit Content

Instrument, heavy duty probe (2.25 MHz 1/2" (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.

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