Checkline TI-25LT Ultrasonic Thickness Gauge for Steel

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Checkline TI-25LT Ultrasonic Thickness Gauge for Steel
Checkline TI-25LT Ultrasonic Wall Thickness Gauge for measuring CARBON STEEL ONLY

Range: 0.040 - 6.00 inches - 1.00 - 150.00 mm

Resolution: 0.004" (0.01mm)

Datalogging: NO

Measuring Range in Steel
0.040 - 6.00 inches
1.00 - 150.0 mm

The TI-25LT Ultrasonic Thickness Gauge accurately measures wall thickness and the extent of corrosion - from only one side!

Standard configuration: In its standard configuration, the TI-25LT Wall Thickness Gauge is factory set to MEASURE STEEL ONLY

Optional configuration: As a no cost option, the TI-25LT Wall Thickness Gauge can be factory set to measure on stainless steel.

Easy upgrade to full TI-25MUltrasonic Thickness Gauge functionality (refer to separate data sheet). TI-25MUltrasonic Thickness Gauges measure on all metals, ceramics, glass and most rigid plastics. It provides Single Reading and Scan modes, where the probe is dragged over a large measuring area. The minimum reading recorded during the "scan" is displayed.

Upgrade to TI-25MUltrasonic Thickness Gauges require factory installation of enhanced circuit board, new firmware andkeypad.

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  • Resolution of 0.004 inch (0.01 mm)
  • Large, backlit LCD display retains last reading
  • Simple operator controls virtually eliminate training
  • Special-purpose probes are offered for a variety of applications
  • The gauge is impact-resistant and environmentally sealed to provide trouble-free operation under the toughest field conditions
  • Switch-selected units for inches or mm
  • For underwater surveying, probe cable lengths up to 50 feet are optionally
  • The TI-25LT Ultrasonic Thickness Gauge probe is waterproof and can be submerged in water
  • CE Certified
  • Includes NIST Calibration Certificate

lineTypical Applicationsline


lineMeasuring Limitsline

Minimum Radius for Convex Surfaces0.350" (8.89 mm)
Minimum Radius for Concave Surfaces3" (76.2 mm)
Minimum Headroom1" (25.0 mm)
Minimum Sample Diameter0.150" (3.8 mm)
Minimum Substrate Thickness - Fna
Minimum Substrate Thickness - NFena


Range in Steel0.040-6.00" (1.00-150.0 mm)
Resolution.004" (0.01mm)
Display4 - Digit, 0.5" Backlit LCD
Velocity Range.0787-.3937 in/s
(2000-10,000 m/sec)
Probe1/4", 5 MHz, actual wearface is 5/8" (17mm)
Probe WearfacePEEK (Polyethylethylkytone)
Cable4ft. (1.2m) waterproof cable with non-polarized, quick-disconnect connectors. Op
Temp. LimitsAmbient: -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 TypeTwo AA batteries
Battery Life200 hours
Weight710 ounces (280g)
Dimensions2.5 x 4..5 x 1.25"
(64 x 114 x 32mm)
AccessoriesProbe/cable assembly, 4 oz. bottle of coupling fluid, NIST Calibration Certificate, 2 AA batteries, operating instructions, hard-plastic carrying case.
WarrantyGauge: 5 Years
Probes: 90 Days

lineComplete Kitline

Complete Kit includes: Gauge, probe, 4 oz. bottle of coupling fluid, 2 AA batteries, NIST Calibration Certificate and Operating Instruction Manual - all in a foam-fitted carryingcase

lineOptional Accessoriesline

NIST-Traceable Steel Test Block
3 Sizes Available

  • Precision Machined and Finished
  • Includes NIST Report and Test Data


Uncertified Steel Test Block
For Ultrasonic Gauges
  • For convenient confirmation of thickness gauge calibration


Protective Holder for Ultrasonic Gauge

  • Constructed from heavy duty Cordura Nylon
  • Built-in belt loop


Coupling Fluid

  • Used to create an ultrasonic coupling between the probe and material to be measured
  • 12 oz Bottle


Transducer Holder

  • The V-Block transducer holder offers the operator greater control and repeatabily when measuring on pipes and other curved areas


TI-25LT Ultrasonic Thickness Gauge for Steel -Certificate
TI-25LT Ultrasonic Thickness Gauge for Steel - Data Sheet
TI-25LT Ultrasonic Thickness Gauge for Steel - Instruction Manual

lineBuy Nowline

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Accessories Price
TICC-M Protective Holder for most TI Series Gauges $55.00
CF12 Coupling Fluid - 12oz $30.00
V-Block Transducer Holder $175.00
SB4 4 Step Steel Test Block, 0.1 / 0.2 / 0.4 / 0.6 inch - Uncertified $125.00
T-102-2000 1/4" diameter, 5.00 MHz, dual element transducer (Standard Probe for TI-25LT) $285.00



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