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AD-3253 Ultrasonic Thickness Gauge

DISCONTINUED
Product code: AD-3253

Unfortunately, the AD-3253 has been discontinued and has been replaced by the AD-3255.

The AD-3253 is an ultrasonic thickness gauge ideal for testing where access to both sides of the material is not available. Surface contact is all that is required.

-Low cost, light weight and the easy to operate.

-Thickness range of 2 to 200 mm

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Unfortunately, the AD-3253 has been discontinued and has been replaced by the AD-3255.
Features
- Compact and Light Weight: With a weight of only 180g, the AD-3253 is easy to carry and easy to use. Its light weight allows hours of fatigue free operation.
- Easy to Operate: Simply calibrate the AD-3253 to the material to be tested, place the probe on the test material and the AD-3253 automatically
displays the correct thickness. No special qualifications or training are required.
- Easy to Read LCD Display: Displays both measured thickness and sonic velocity of the sample.
- Sonic Velocity Stored into Memory: Sonic velocities are easily entered into the AD-3253 unit through simple up and down keys. When a new entry is made, it replaces the previous entry and stores the new one until changed, even if the unit is powered off or the battery is changed.
- Low Battery Indicator: Low Battery appears when the battery is low, after which the operator has one hour of operation before battery replacement is required.
- Able to determine unknown Sonic Velocities: Simply calibrate the AD-3253 against a known test block and place the probe on the sample material of the same thickness. One button operation sets the unit to the proper thickness and the AD-3253 automatically enters the correct sonic velocity.
- Selectable Units of Measure: When performing thickness measurements, the operator is able to easily select between inches or millimeters units of measure.
- Automatic Power Off Function: The AD-3253 operates continuously for more than 30 hours off of one AA alkaline battery (25", 5 mm sample thickness) and,
automatically powers off the unit after 5 minutes of non-use, substantially extending operating life between battery changes.
- Applications: Thickness Measurement, Corrosion Test, Inspection
- Samples: Steel, Titanium, Aluminum, Copper, Brass, Glass, Ceramic, Plastic, etc.

Specifications

- Measuring method: Ultrasonic pulse reflection
- Thickness unit of measure: Millimeters or inches
- Frequency range: 5 MHz
- Sampling rate: 4 times/second
- Thickness range: 2.0 mm to 200.0 mm (0.08 inches to 8 inches)
- Accuracy: : +/-0.1 mm +/- 1.0% (thickness range: greater than 2 mm, less than 100 mm); +/- 0.1 mm +/- 1.5% (thickness range: less than 200 mm);
+/- 0.01 inches +/- 1.0% (thickness range: less than 0.08 inches greater than 4 inches); +/- 0.01 inches +/- 1.5% (thickness range: less than 8 inches)
- Resolution: 0.1 mm (0.005 inches) Depending on surface condition of sample
- Display device: Liquid Crystal Display
- Power supply: One AA dry cell battery. Battery replacement Approximately 30 hours of operation. Low battery indicator activates when replacement is required. One hour of additional operation available after initial low battery indication.
- Operating temperature: 0 to 50 C
- Dimensions: 68 mm (W)x 120 mm (H) x 27 mm (D)
- Weight: Approximately 180g

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