Check-Line TI-25M General Purpose Ultrasonic Wall Thickness Gauge

• Range in Steel: 0.025-6.00" (0.60-150.0 mm) 
• Resolution: .001" (0.01 mm) 
• Display:
  • 4½ - Digit,
  • 0.5" Backlit LCD 
• Velocity Range: 6,500-33,000 ft./sec (2000-10,000 m/sec.) 
• Probe:
  • 7.5 MHz,
  • 0.25" Diameter (6.35 mm) 
• Cable:
  • 4 ft. (1.2 m) waterproof cable with non-polarized, quick-disconnect connectors.
  • Optional lengths up to 50 ft. (15 m). 
• Temp. Limits:
  • Ambient: -20 to 120° F (-30 to 50° C)
  • Material: -0 to 200° F (-20 to 100° C
  • Special high temperature probes are optionally available. 
• Battery Type: Two AA batteries 
• Battery Life: 200 hours 
• Weight: 7 ounces (196 g) 
• Size: 2.5 x 4.5 x 1.25" (64 x 114 x 32 mm) 
• Accessories: Included
  • Probe/cable assembly.
  • 4 oz. bottle of coupling fluid,
  • NIST Calibration Certificate,
  • 2 AA batteries,
  • operating instructions,
  • hard-plastic carrying case. 
• Warranty
  • Gauge: 5 Years
  • Probes: 90 Days 

Minimum Radius for Convex Surfaces: 0.350" (8.89 mm)

Minimum Radius for Concave Surfaces: 3" (76.2 mm)

Minimum Headroom for Probe: 1" (25.0 mm)

Minimum Sample Diameter: 0.150" (3.8 mm)