PDF Spec Sheet || Base Instrument Package || Accessories || Specifications
DMV DL - Handheld Ultrasonic Velocity Gauge with On-Board Data Logger, easy sound velocity measurement for quick correlation to mechanical properties and
· Quick and Easy Velocity Measurement for Nodularity % in Ductile Iron and other Applications
· Simple-to-Use, 2-Step Operation
· Handheld, Portable, Weighs only 13 Ounces with Batteries
· On-Board 1200 Reading Data Logger
· Rugged, Dependable
· Spot Check Production Processes, Sort Suspect Lots, 100% Inspection of Critical Safety-Related Parts
Measure, record, report
The microprocessor-based DMV DL is a sound velocity gauge/data logger combination built into a small, portable instrument. Sound velocity measurements can be made throughout a plant, recorded on-site, and then sent directly to a serial printer or PC for immediate hardcopy reports, analysis, or permanent storage.
Sound velocity measurements can be made on a wide range of materials with the DMV DL (i.e. cast iron, aluminum, plastics, and other metals and non-metals).
Sound Velocity vs. Nodularity %
Sound velocity is a prime factor in estimating the nodularity percentage (%) of ductile iron and its relative tensile strength. The mechanical properties of ductile iron are very dependent upon the shape of nodular graphite formations, or % nodularity, which has a direct effect on the sound velocity. As the nodularity % (graphite formation) increases, the sound velocity of the ductile iron also increases. In turn, sound velocity also has a relationship to the tensile strength of ductile iron, and is often used to predict or qualify the tensile strength of a casting. The DMV DL provides an excellent tool for spot checking production processes, sorting of suspect lots of material, 100% inspection of low volume production runs, and 100% inspection of critical safety-related ductile iron castings.
Quick 2-step measurement
A simple 2-step operation is all that is required to obtain sound velocity readings instantly on a large backlit LCD display.
DMV DL Digital Ultrasonic Velocity Gauge
Three 1.5V AA Alkaline Batteries
Certificate of Conformity
CLPR-100 - Mitutoyo digimatic caliper model #500-321 (flat jawed)
CLPRCBL-606 - DMV DL to Mitutoyo Caliper Thickness Data Input Cable
PCCBL-516 - Serial PC (Weightronix mini-printer) Cable
PRTCBL-518 - Serial Printer (Epson, Diconix, etc.) Cable
LC-E - Leather Instrument Case with Neck Strap
UTL-360 - Data Transfer Utility Software Program
KBA533 - Probe Cable for DA303 and DA301 Probes
KBA531 - Probe Cable for KBA560 Probe
HTC-010 - Couplant Gel, 2 oz. tube
|MODEL||DESIGNATION||PROBE CABLE||NOMINAL FREQUENCY||CONTACT DIAMETER|
|DA303||High Penetration||KBA533||2 MHz||.635" (16.2 mm)|
|KBA560||General Purpose||KBA531||.5 MHz||.625" (15.9 mm)|
|DA301||General Purpose||KBA533||.5 MHz||.475" (12.1 mm)|
Probe Zero Adjustment
Push button, keyed to instrument probe zero block
Automatic, microprocessor controlled
Material Velocity Measuring Range
50,000 to 300,000 in/sec.
1270 to 7620 m/sec.
Material Thickness Range (Steel)
0.500" to 12.00"
12.7 mm to 300 mm
Material Velocity Linearity
Inch: 0.5" to 1.0" = ±20 in/sec. x 10²
1.0" to 12.0" = ±10 in/sec. x 10²
Metric: 12.7 to 25.4 mm = ±51 m/sec.
25.4 to 300 mm = ±26 m/sec.
Velocity: XXXX in/sec. x 100
4 digit, .5" (12.7mm) high with electroluminescent backlight
Display Update Rate
3 ea. 1.5V AA alkaline batteries
Battery Life (operating time)
Up to 70 hours @ 25% duty cycle
(up to 40 hours using backlight)
After 3.5 minutes of non-use
Data Logger Memory Capacity
Number of Data Files
Up to 99 (user selectable)
Data Output Port
Serial:, asynchronous; 0, +5V TTL, 8 bit, 1 stop bit, 1200 baud
RS232C: bipolar logic levels provided by serial PC and printer cables
Mitutoyo format: Input Only
Direct Report Languages
English, German, French, Italian, and Spanish
+10/°F to +120/°F (-10/°C to +50/°C)
Dimensions (L x W x D)
6.5" x 3.0" x 1.6"
165.1 mm x 72.2 mm x 40.6 mm
13.1 oz. (0.37 kg) including batteries
Instrument and probe specifications are subject to change without notice.