User guide

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3.2 Contents Of Kit
The TI-25DL is supplied as a complete kit with the following:
a. Gauge
b. Two (2) AA batteries
(installed in gauge)
c. Probe/cable assembly
d. 4 oz. Bottle of coupling fluid
e. Serial Output cable
f. Data Trasfer software program
g. Foam-filled carrying case
Not shown: NIST-traceable
calibration certificate and
Operating instruction manual
3.3 Probe
The probe transmits and receives the ultrasonic sound waves which
the TI-25DL uses to calculate the thickness of the material being
measured. The probe must be used correctly in order for the TI-25DL
to produce accurate and reliable results.
A small amount of “coupling” fluid, commonly called “couplant” is
used to insure that there are no air gaps between the probe and the
material surface. Grasp the probe by the knurled aluminum housing
and place it on top of the material surface. Apply moderate pressure
to the top surface of the probe with your thumb (A) or index finger
(B) to stabilize the probe and to keep the wearface seated flat against
the measurement surface.
A
B
Probe
Wearface
a
f
d
e
c
g
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12.0 SPECIFICATIONS
Range* 0.025–6.00" (0.60–150.0 mm)
Other ranges available with optional probes.
Resolution .001"
(0.01 mm)
Display 4
1
⁄
2
-Digit, 0.5" Backlit LCD
Velocity
Range 0.0787 – 0.3937 in./µs
(2000–10,000 m/sec.)
Probe 7.5 MHz, 0.25" Diameter (6.35 mm)
Probe
Wearface PEEK (Polyethylethylkeytone)
Cable 4 ft.
(1.2 m) waterproof cable with non-polarized,
quick-disconnect connectors. Optional lengths up to
100 ft. (30 m).
Temp. Limits Ambient
: –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 Type Two AA batteries
Battery Life 200 hours
Weight 10 ounces
(280 g), with battery
Size 2.5 x 4.5 x 1.25"
(64 x 114 x 32 mm)
Accessories
Included Probe/cable assembly. 4oz. bottle of coupling fluid,
NIST Calibration Certificate, 2 AA batteries, operating
instructions, hard-plastic carrying case.
Warranty Gauge
: 5 years
Probe: 90 days
*Measuring Range indicated is for steel. Actual range for other materials will vary
based upon the material’s sonic velocity and attenuation.