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25 DL Plus Ultrasonic Precision Thickness Gage
with Waveform Display
 The Panametrics-NDT™
Model 25DL PLUS ultrasonic precision thickness gage provides cost-effective
solutions in applications where the opposite side of the test material is
difficult or impossible to reach. An important benefit of this handheld
unit is its ability to make thickness measurements on many materials in a
wide variety of shapes and sizes. A large Liquid Crystal Display displays
both the live ultrasound waveform and the thickness reading. Operation of
this handheld gage is intuitive with a color-coded keypad and direct-access
number keys. One of the many unique features of this gage, Application
Auto-Recall, allows the user to select and recall any of the stored
standard or custom transducer setups in the gage’s memory. This permits
easy switching among our full line of contact, delay line, and immersion
transducers to solve an almost infinite number of measurement problems.
Download pdf
Brochure (196 kb)
INTERNAL DATALOGGER
The 25DL’s internal datalogger stores,
recalls, and transmits 1,750 waveforms and more than 18,000 thickness
readings along with alphanumeric Identificationcodes.
WAVEFORM DISPLAY
The A-Scan shows
both the live waveform and the thickness reading, which is ideal for
turbine blade inspections and any other application where the user needs
to ensure proper transducer alignment.
FEATURES
• General purpose
thickness gage for metals, plastics, glass, rubber, composites and other
materials
• Internal
alphanumeric file-based datalogger stores 18,000 thickness readings or
1,750 waveforms
• Large LCD
waveform display with backlight
• Wide thickness
range from 0.003" to 20" (0.080mm to 500mm), depending on material
• Resolution up to
0.0001" (0.001mm)
• Uses contact,
delay line, and immersion transducers
• Application Auto-Recall
with default and custom setups
• Handheld, weighs
only 1 lbs. 3oz. (0.59Kg)
• Min/Max mode
• Hi-Low alarm
• Inches/mm
• Long battery
life
25DL PLUS SPECIFICATIONS
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MEASUREMENTS
Mode 1:
Time interval between excitation
pulse and first backwall echo. Using contact transducers
Mode 2:
Time interval between the first interface echo after the excitation
pulse and the first backwall echo. Using delay line or immersion
transducers
Mode 3:
Time interval between successive backwall echoes following the first
interface echo after the excitation pulse. Using delay line and
immersion transducers
Thickness
Measurement Range:
Steel: 0.006 -
20" (0.15 - 500mm)
Plastic: 0.003
- 2"(0.08 - 50mm)
Thickness
range depends on material, transducer, surface condition and setup
selected, extended thickness ranges are possible using custom setups
Material
Velocity Range:
0.02000 -
0.55110 inch/µS (0.5080 - 13.9979mm/µS)
Resolution,
keypad selectable:
LOW: 0.01"
0.1mm
STANDARD:
0.001" 0.01mm
HIGH: 0.0001"
0.001mm
Measurement
Rate: 4, 8, 12, 16, or 20 measurements per second
Transducer
Frequency Range: 2.25 - 30MHz
Three
Differential Modes: Standard and Percent: Thickness difference and
percent difference between actual maasurement and reference value.
Rate Reduction: Display actual thickness and percent difference from
setpoint. Both values can stored in the internal datalogger
Min/Max Mode:
Works in conjunction with FAST Mode for rapid location of minimum
or maximum thickness reading and associated waveform
Two Alarm
Modes: 1) Standard Hi-Low 2) Previous thickness (Absolute or
Percentage). Both with audible and visual indicators
Application
Auto-Recall: Automatically adjusts internal parameters and zero
offset for a wide variety of transducers. Stores 25 standard
transducer setups and up to 35 custom transducer setups
Other Standard
25DL PLUS Features: Calibration Lock Mode, Internal Diagnostic
Test Mode, Metric/English |
DISPLAY
Display:
Liquid Crystal Display with backlight. Contrast keypad adjustable.
Display area 4.0 x 3.39 inch (102 x 86mm)
Backlight:
Backlit electroluminescent display with Power Save feature
Zoom Mode:
Expands the horizontal span of the waveform to the minimum range
associated with each transducer and automatically centers the measured
echoes
Freeze Mode:
Freeze and Un-Freeze live AScan with thickness
Display
Hold/Blank: Display blanks after last reading or holds reading
Rectification: RF, half wave positive or negative, and full wave
Waveform
Display Range and Delay
Control:
The horizontal span of the waveform is set at selected intervals with
a fully adjustable delay
POWER SUPPLY
Battery:
6V Rechargeable NiCad battery pack. Optional replaceable alkaline “AA”
cells
Battery
Life: 30 hrs nominal (normal operation), Nicad. Optional alkaline
“AA” cells approximately 70 hours
Battery
Charge Time: 2 hours using provided charger
Charger:
External wall plug-in charger/AC Adapter for 100/115/230 VAC inputs
Auto Power
On/Off, Low Battery Indicator
GENERAL
Keypad:
Sealed color-coded keypad with tactile and audible feedback
Multi-Language
Display: English, French, German, and Spanish
Operating
Temperature:-10°C to +50°C (+14°F to 122°F)
Size:
L9.375" x W5.45" x D1.5", L238 x W138 x D38mm
Weight:
2.1 lbs (0.95Kg) |
INTERNAL DATALOGGER
Identify,
store, recall, clear, and transmit thickness readings and gage setup
information via the full duplex RS-232 Serial Port. Baud rate, word
length, stop bits, and parity are adjustable from keypad
Maximum # of
Stored Values: Standard: 18,000 thickness readings or 1,750
waveforms with thickness.
Upgrade 1:
36,000 thickness readings or 3,400 waveforms with thickness.
Upgrade 2:
54,000 thickness readings or 5,100 waveforms with thickness.
Location Codes:
8-character file name plus 16-character alphanumeric location code
input. Multiple Comments per location
File
Structures: 7 standard or custom application-specific file
structures
Reports:
On-gage reporting of: Summary with statistics, Min/Max with locations,
and File Comparison. On-screen Comparison of current and previous
readings
On-board
Statistics Calculator: Permits statistical reporting directly to
Serial Printer
STANDARD INCLUSIONS
Model 25DL
PLUS Digital Ultrasonic Multi-Mode Thickness Gage, AC or Battery
Operation, 50-60Hz, with Internal Alphanumeric Datalogger. Including:
Universal Quick Charger/AC Adapter, Transducer Cable, Test Block,
Couplant, RS-232 I/O Cable, Carrying Case, Instruction Manual, Two
Year Limited Warranty
OPTIONAL ACCESSORIES
Protective Pouch with Neck
Strap
Plus/RPC
Rubber boot with gage stand
Win25DL PLUS
Interface Program
25DLP/EW
Extended Limited Warranty, 3rd Year
2214E†
5-Step Test Block, 1018 steel, English Units: .100", .200", .300",
.400", .500"
2213E†
5-Step Test Block, Aluminum, English Units: 100", .200", .300",
.400", .500"
26DLPLUS/HDC
Heavy Duty Shipping Case
†Test Blocks are available in metric
units. |
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