GE DM4 Thickness Gauge
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.
Features:
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
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 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 Rate | 4 Hz; 25 Hz in minimum capture mode |
Gain | Automatic or Manual (Hi Med. Lo) |
Material Velocity Range | 39000 to 393700 in./sec.; (1000 to 9999 m/sec) |
Receiver Bandwidth | 1 MHz to 10 MHz (-3 dB) |
Display Type | 4 digit LCD .5" (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 Temperature Range | 10/°F to +120/°F (-10/°C to +50/°C) |
Hazardous Area Operation | Safe operation as defined by MIL-STD-810E Method 511.3 Procedure I. |
Dimensions | US: 5.8 x 3.0 x 1.4 in. Metric: 146 x 76.2 x 34.3 mm |