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The DM4 is Smart, simple-to-use ultrasonic thickness gauges that offer Big Ultrasonic Performance in a Small Lightweight Package. Compact size and ergonomic shape provide comfortable one hand use. Operator fatigue is virtually eliminated since the instruments weigh only 9 oz. (255g) and all keys are easily accessed with the thumb.
Rental Package includes:
Please contact Berg Engineering at 1-847-577-3980 or Request Quote above for package rental cost and availability.
Operating Principle
Ultrasonic pulse/echo
Probe Zero Adjustment
Automatic, or manual 2 pt. calibration
V-Path Correction
Automatic, micro-processor controlled
Measuring Range
.025" - 20.00" (.64 - 500 mm) depending on probe, material, surface condition, and temperature
Dual Multi Measuring Range
.080" - .800" (2-20mm) depending on the probe, surface condition, type and thickness of the coating,
the thickness of the metal and the quality of the bond between the coating and metal.
Displayed Resolution
.001 or .01 up to 9.999 inches, .01 above 9.999 inches; (.01 or .1 up to 99.99mm, .1 above 99.99 mm)
Measurement Update Rate
4 Hz; 25 Hz in minimum capture mode
Gain
Automatic, or Manual (Hi, Med., Lo)
Material Velocity Range
39,000 to 393,700 in./sec.; (1000 to 9999 m/sec)
Receiver Bandwidth
1 MHz to 10 MHz (-3 dB)
Display Type
4 digit LCD, .5in (12.7 mm) high, direct drive, with electroluminescent backlight
Power Supply
2 ea. 1.5V AA alkaline cells
Battery Life (operating time)
Up to 200 hours @ 25% duty cycle without backlight
Auto Shut-off
After 3 minutes of non-use
Operating Temp. Range
+10/°F to +120/°F (-10/°C to +50/°C)
Size (L x W x D)
5.8in x 3.0in x 1.4in (at thickest point)
146.0 mm x 76.2 mm x 34.3 mm
Weight
9 oz. (255 g) including batteries
Hazardous Area Operation
Safe operation as defined by MIL-STD-810E, Method 511.3, Procedure I.
