DG 51 B is a new generation ultrasonic thickness gauge. Small and light weight, it features long operation time and a high degree of accuracy. DG 51B can be connected to a wide range of twin crystal probes and offers functions like autocalibration through automatic probe recognition, wide gain adjustment, data storage and recall.

DG 51 B has been developed for stan-dard measurement as well as for applica-tion when gain adjustment is necessary according to surface condition and/or the state of corrosion. The V-path auto-matic correction provided for carbon steel, stainless steel and aluminium, allows maximum accuracy. Correct cou-pling and underthickness display indi-cations are provided as well as display freezing of minimum value detected.

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Technical Features

Measuring technique Pulse-echo
Measurements Thickness and velocity
Range (*) From 0.7 to 600 mm (Fe)
Resolution 0.01 mm from 0 to 99.99 mm
0.1 mm over 100 mm
Probe recognition Automatic
AutoCal When probe is recognized
Calibration On 5 or 25 mm
Velocity range From 1000 to 9999 m/sec.
Gain adjustment On 99 levels (≈ 40 dB)
V-path correction Microprocessor controlled
Measurement update rate Slow (2 Hz) e Fast (5 Hz)
Alarm Coupling and underthickness
Memory 999 data
Unit mm or inches
Shut-off Automatic after 3′ of non use
Supply Two 1,5 V AA Alkaline cells
Battery life 200 hours
Operating temperature From -10ºC to +50ºC
Size 73 x 35 x 136 mm
Weight 250 g with batteries
Homologation RINA
Mark CE