GE DM4 Thickness Gauge
GE Inspection Technologies

GE DM4 Thickness Gauge

Pine Item #54270

The DM4 and DM4DL are smart, simple-to-use ultrasonic thickness gauges that offering accurate ultrasonic thickness measurement in a small lightweight package.

Compact and ergonomic, the DM4 and DM4 DL provides 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.


Lightweight; only 9 oz. with batteries

5 key operation (DM4)

9 key operation (DM4DL)

Stable High Temp. Readings

MIN Mode captures thinnest reading

On-Board 5000 reading data logger (DM4DL)

200 hrs. on 2 AA Alkaline Batteries- no special battery packs or chargers.

DUAL MULTI mode for measuring Through-Coatings

Quantity must be 1 or more
Equipment available for both rental and purchase
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Technical Specifications

Operating PrincipleUltrasonic pulse/echo
Probe Zero AdjustmentAutomatic or manual 2 pt. calibration
V-path correctionAutomatic 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 qual
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 Rate4 Hz; 25 Hz in minimum capture mode
GainAutomatic or Manual (Hi Med. Lo)
Material Velocity Range39000 to 393700 in./sec.; (1000 to 9999 m/sec)
Receiver Bandwidth1 MHz to 10 MHz (-3 dB)
Display Type4 digit LCD .5" (12.7 mm) high direct drive with electroluminescent backlight
Power Supply2 ea. 1.5V AA alkaline cells
Battery Life (operating time)Up to 200 hours @ 25% duty cycle without backlight
Auto Shut OffAfter 3 minutes of non-use
Operating Temperature Range10/°F to +120/°F (-10/°C to +50/°C)
Hazardous Area OperationSafe operation as defined by MIL-STD-810E Method 511.3 Procedure I.
DimensionsUS: 5.8 x 3.0 x 1.4 in. Metric: 146 x 76.2 x 34.3 mm
Manuals, Data Sheets & Software

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