Checkline TI-25SX General Purpose Ultrasonic Wall Thickness Gauge

See More Ultrasonic Thickness Gauges

Checkline TI-25SX General Purpose Ultrasonic Wall Thickness Gauge

See More Ultrasonic Thickness Gauges
$955.00 - $1,250.00

    Product Description
    Checkline TI-25SX General Purpose Ultrasonic Wall Thickness Gauge with 8 Presets and Adjustable Velocity
    Includes NIST-Traceable Calibration Certificate, CE-Certified
    5-Year Warranty, Made in USA
    Datalogging: NO

    Total Measuring Range (depends on material and transducer/probe type)
    0.025 - 36.000 inches
    0.63 - 914.4 mm
    Measuring Range on Steel (with standard T-102-3300 probe)
    0.025 - 6.00 inches
    0.60 - 150.0 mm 

    The Checkline TI-25SX allows the operator to select from 8 preset materials as well as program 2 custom material velocities allowing the user to tune the calibration to be optimized for a specific type of material. The calibration can be locked to prevent any accidental adjustments. The preset materials are as follows:

    1. Steel 4340
    2. Stainless 303
    3. Aluminum 2024
    4. Cast Iron
    5. Plexiglass
    1. PVC
    2. Polystyrene
    3. Polyurethane
    4. Custom1
    5. Custom2

    Kit Contents

    • Checkline TI-25SX General Purpose Ultrasonic Wall Thickness Gauge
    • Probe
    • 4 oz. bottle of coupling fluid
    • 2 AA batteries
    • NIST-Traceable Calibration Certificate
    • Carrying case
    • Instruction Manual


    • Resolution of 0.001 inch (0.01 mm)
    • The Transducer (probe) is waterproof and can be submerged in shallow water
    • Special-purpose probes are offered for a variety of applications (1 to 10 MHz)
    • Switch-selected units for inches or mm
    • The extruded aluminum housing is impact-resistant and environmentally sealed (IP 65) 
      to provide trouble-free operation under the toughest field conditions
    • For underwater surveying, an optional 50 ft (15 meter) underwater probe/cable is available
    • High visibility LCD Display is readable in all lighting conditions and temps as low as 22 °F (-30 °C)
    • LCD shows Thickness Value, Velocity Setting, Stability Indicator, Battery Indicator and units
    • Acoustic Velocity (calibration) is manually adjusted via the keypad
    • 5 Year Warranty, CE-Certified and Made in USA
    • Operates on two (2) AA Batteries - 45 hours continuous operation
    • Selectable Backlight ON/OFF/AUTO
    • Includes NIST Traceable Calibration Certificate


    Total Measuring Range
    0.025 - 36.000 inches
    0.63 - 914.4 mm
    (depends on material and transducer/probe type)
    Measuring Range
    0.025-6.000 inches
    0.60-150.0 mm
    (with standard transducer T-102-3300)
    Resolution0.004 inch (0.1 mm)
    Measuring ModePulse-Echo (P-E)
    Velocity Range0.0120 to .7300 in/μs (305 to 18,542 m/sec)
    Probe (Standard)1/4", 5 MHz Dual Element Transducer, actual wearface is 5/8" (17mm), p/n T-102-3300
    Probes (optional)1 to 10 MHz, 3/16" up to 1 inch (custom probes available)
    Probe WearfacePEEK (Polyethylethylkytone)
    Cable1.2m (4ft.) waterproof cable with non-polarized, quick-disconnect connectors
    LCD DisplayMulti-function 7 segment 4.5 digit liquid crystal display with 0.500" digit height. Two 0.125 in14 segment fields for labels and values, and one 7 segment field for labels and values. Additional icons to indicate features and modes
    Display BacklightBacklight is selectable on/off/auto, and selectable brightness (Lo, Med, Hi) options
    Display Update Rate10 Hz (10 updates/sec)
    Temp. LimitsAmbient: -30 to 75° C (-22 to 167° F)
    Material: -20 to 100° C (0 to 200° F)
    High temperature probes available
    Battery Type2x AA batteries (rechargeable batteries can be used)
    Battery Life45 hours continuous use
    Weight308 grams (11 ounces)
    Dimensions63.5 x 131.3 x 31.5 mm (2.5" x 5.17" x 1.25")
    AccessoriesProbe/cable assembly, 4 oz. bottle of coupling fluid, NIST Calibration Certificate, 2 AA batteries, operating instructions, hard-plastic carrying case.
    HousingExtruded aluminum body with nickel-plated aluminum end caps (gasket sealed)
    Housing RatingIP65
    CertificationsNIST Traceable and MIL-STD-45662A
    KeypadSealed membrane that is resistant to both water and petroleum products
    Seven or eight tactile-feedback keys
    Pulse Repetition Frequency (PRF)200 Hz (200 pulses/sec)
    WarrantyGauge: 5 Years
    Probes: 90 Days

    Measuring Limits

    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

    Related Products

    50 Foot Underwater Probe / Cable Assembly

    • 50 Ft. Length, Waterproof Probe/Cable assembly with non-polarized, Dual-Lemo connectors


    Ultrasonic Transducer Holder



    Checkline TI-25SX General Purpose Ultrasonic Wall Thickness Gauge - Data Sheet
    Checkline TI-25SX General Purpose Ultrasonic Wall Thickness Gauge - Instruction Manual

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