Precision Thickness Gauges

The Panametrics-NDT™ Series 35 ultrasonic precision thickness gages provide easy-to-use and cost-effective solutions in applications where the opposite side of the test material is difficult or impossible to reach. These rugged, pocket-sized gages make stable, repeatable thickness measurements on most materials of varied shapes and sizes. Accurate thickness measurements are displayed in large numerals on the backlit LCD or can be viewed along with the live waveform in the optional A-scan Mode.

35 Series Features

• Velocity and Reduction Rate measurements are standard on all models
• Wide thickness range from 0.0030" to 25.0" (0.08 mm to 635.0 mm) depending on instrument and material
• Uses contact, delay line, and immersion transducers
• Application Auto-Recall with default and custom setups
• Hand-held; weighs only 8.5 oz. (0.24 kg)
• Min/Max Mode
• Hi-Low alarm
• English and metric display (inches/mm)
• Multi-language user interface
• Long battery life

Models 35 and 35DL

The 35 and 35DL can use transducers ranging from 2.25 to 30 MHz, which means that these versatile gages can solve the majority of thickness gaging applications, from very thin to very thick. In general, transducers with higher frequencies and smaller diameters allow measurements of thinner or curved parts and enhance the accuracy of the measurement.

Applications

• most materials, from thin to thick
  
• plastic bottles, tubes, pipes, sheets as thin as 0.08 mm (or 0.003 inch)
  
• metal containers, steel coils, machined parts as thin as 0.10 mm (or 0.004 inch)
  
• cylinder bores, turbine blades
• glass bulbs, bottles
  
• thin fiberglass, rubber, ceramics, and composite materials
  
• curved areas or containers with small radii  
• resolution up to 0.001 mm or 0.0001"

Models 35HP and 35DL-HP

With a very low ultrasonic frequency bandwidth and a special pulser-receiver, the HP gages are specifically designed to optimize ultrasound penetration when measuring thick, highly sound attenuating or sound scattering materials. Typically these materials cannot be measured with most other ultrasonic thickness gages.

Applications

Why HP gages

For more than three decades, Panametrics-NDT thickness gage engineers have developed the HP (High Penetration) series specifically for very sound-attenuating or thick materials. Not only can these gages use transducers as low as 0.5 MHz but their electronics (pulser-receiver) are highly optimized to process signals at these low frequencies. The result is that the Panametrics-NDT gages have earned a reputation for superior performance in measuring thick rubber, fiberglass, composites, and other tough materials.

Other 35 Series Features

Reduction Rate Measurements

Differential Mode and Reduction Rate Mode are standard features on all models. Differential Mode shows the thickness variation from a pre-set thickness value. Reduction Rate calculates and displays the percent of thickness reduction after a material thinning process. A typical application is automotive sheet steel that is bent and formed to make car body panels.

Material Sound Velocity Measurements

All 35 models have the capability to make material sound velocity measurements. This standard feature is useful in applications where the speed of the sound within the material can be correlated to other properties. Typical applications include cast metals to monitor the degree of nodularity, and composites/fiberglass to monitor variations in density. Olympus NDT offers a digital caliper for automatic transfer of measurement thickness.

Application Auto-Recall Simplifies Gaging

Stored Standard Setups

Stored Custom Setups

35PCSCOPE

Now You Can See The Live Waveform And Make Adjustments

Why ultrasonics?

Ultrasonic measurements are accurate, reliable, and repeatable. Instant digital readings can be achieved by transmitting sound into just one side of a material, making it unnecessary to cut or destroy parts where the opposite side is difficult to reach and where micrometers or other inspection tools cannot do the job.

35, 35DL, 35HP and 35DL-HP Specifications*

Measurements

ThicknessMeasurement Range*: 0.003 - 25 inches (0.08 - 635 mm)
*Thickness range depends on model, material, transducer, surface condition, and setup selected.

MaterialVelocity Range:

• 0.02000 - 0.7362 inch/ µs
• 0.5080 - 18.699 mm/ µs)

• 2.25 - 30 MHz (35 & 35DL)
• 0.5 - 5.0 MHz (35HP & 35DL-HP)

Min/Max Mode: Displays current thickness, minimum or maximum thickness depending on setting.

Display Hold/Blank: Displays blanks after last reading or holds reading.
Alarm Mode: Programmable Hi-Low alarm set points with audible and visual indicators

Differential Mode: Displays thickness difference between actual measurement and reference value.

Reduction Rate Mode: Displays thickness and percent difference between actual measurement and reference value.

Application Auto-Recall: Automatically adjusts internal parameters for various default and custom transducer setups.

Other Standard Features: Calibration Lock Mode, Internal Diagnostic Test Mode, Metric/English Units, On-board Statistics (35DL and 35DL-HP only)

POWER SUPPLY

Battery: 3 AA alkaline or NiMH batteries
Operating Time: 150 hours typical battery life; 30 hours continuous with backlight on
Low Battery Indicator: Continuously indicates battery status.
BatterySaver: Auto Power Off/Continuous On
AC Power Supply: Optional

GENERAL

Environmental IP-65 compliant:
Splash-proof, impact-resistant case. Sealed, color-coded keypad with tactile and audible feedback.
Operating Temperature Range:
-10 °C to +50 °C (+14 °F to 122 °F)
Size: 3.31" W x 6.0" L x 1.50" H
(84 x 152 x 84 mm)
Weight: 8.5 oz. (0.24 kg)
Custom Language Utility: Allows translation of display text in many languages.

35DL & 35DL-HP

INTERNAL DATA LOGGER

Data Logger: The 35DL & 35DL-HP identify, store, recall, clear, and transmit thickness readings and transducer setup information via the USB port or optional RS-232.
Max. # of Stored Values: Over 8,000 or 350 waveforms with thickness readings (with Waveform Option)
Stored Data Documentation: Each saved thickness reading is fully documented with measurement status flags and a setup number that identifies parameters such as velocity, transducer, etc.
File Name Length: 8 alphanumeric characters
Identification Codes: 10 character alphanumeric Identification Code system identifies or locates stored data
4 File Templates: Incremental, Sequential and 2D Grid. Manual files from PC.

STANDARD INCLUSIONS

Wrist Strap, 3 AA Batteries, Test Block, Transducer Cable, Couplant, Carrying Case, Instruction Manual, Two-Year Limited Warranty

OPTIONAL ACCESSORIES

*All specifications are subject to change without notice.  

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