Material & Coating Thickness

Dakota Ultrasonics USA - Precision Thickness Gauge Selection Guide

Model

PZX-7

PZX-7 DL

PVX-B (basic)

PVX

Capability & Performance

Application

Precision Thickness Gauge with Resolution 0.001 mm

Precision Machining, Stamping, Aircraft, Automotive, Automotive & Variety of Applications

Compatible with Transducer Type

Single Element

Single Element

Single Element & Pencil Type

Single Element & Pencil Type

Measurement Modes

Pulse-Echo (P-E)
Echo-Echo (E-E)
Interface-Echo (I-E)
Plastics (PLAS)

Pulse-Echo (Precision General purpose).
Interface-Echo (Precision – Thick materials).
Echo-Echo (Precision – Thin materials & thru-paint).

Pulse-Echo (Precision General purpose).
Interface-Echo (Precision – Thick materials).
Echo-Echo (Precision – Thin materials & thru-paint

Velocity Settings

a.  Adjustable on keypad
 b. selectable from 8 material types.
c. 2 programmable custom velocity options.

Single and Two point calibration option, or selection of basic material types.

Same as PVX-B (BASIC)

Gain or amplication of return Echo

5 gain settings (VLOW, LOW, MED, HIGH, VHI) when pulse-echo or thin PLAS mode is selected, and 3 gain settings (LOW, MED, HIGH) for all other modes where automatic gain control is used

110dB gain range from (-35 to 75 dB)

Pulser

N/A

N/A

200 volt pulser with a 50 volt cut/boost (100, 150, 200 volt)

Receiver

Manual or AGC gain control

Manual or AGC gain control with 40dB

Timing

N/A

N/A

40 MHz with ultra low power 10 bit digitizer.

Display Views: A-Scan View

N/A

N/A

A-Scan Rectified +/- (half wave view) RF (full waveform view)

Display Views: B-Scan View

N/A

N/A

B-Scan Time based cross section view. Display speed of 15 secs per screen.

Display Views: Scan Bar

Display the lowest reading found during a scan. Scan speed at 100Hz.

Same as PZX-7

Scan Bar 6 readings per second. Viewable in B-Scan and Large Digit views.

Measurement Range

Pulse-Echo (P-E):
Range (Material Thickness)

Pulse-Echo (P-E): 0.040 to 36.0 in (1.0 to 914.4 mm).

Pulse-Echo Contact: Steel .040in – 10.0in (1mm – 254mm). Plastics from .010in (.254mm).

Pulse-Echo Contact: Steel .040in – 10.0in (1mm – 254mm). Plastics from .010in (.254mm).

Echo-Echo (E-E)

Echo-Echo (E-E): Delay line – 0.006 to 1.00 in (0.152 to 25.4 mm). Contact – 0.040 to 6.0 in (1.0 to 152.4 mm).

Echo-Echo Mode: Steel .006in -.500in (.15mm – 12.7mm)

Echo-Echo Contact: Steel thru-paint .100in – 3.0in (2.54mm – 76.2mm).

Echo-Echo Mode (E-EV)

N/A

N/A

Echo-Echo Contact: Steel thru-paint .100in – 3.0in (2.54mm – 76.2mm).

Echo-Echo Mode: Steel .006in -.500in (.15mm – 12.7mm).

Interface-Echo (I-E)

Delay Line – 0.060 to 1.0 in (1.524 to 25.4 mm).

Interface-Echo Mode: Steel 0.05 1.0 in (1.27mm – 25.4mm). Plastics from .005in. (127mm).

Interface-Echo Mode: Steel 0.05 1.0 in (1.27mm – 25.4mm). Plastics from .005in. (127mm).

Interface-Echo-Echo (I-E-E)

N/A

N/A

Steel .006–.500 inch (.152–12.7mm).

Plastics (PLAS)

Graphite Delay Line – 0.005 to 0.250 in (0.127 to 6.35 mm)

N/A

N/A

Resolution

0.001 or 0.0001 in (0.01 or 0.001 mm)

Same as PZX-7

(selectable) +/- .001in (0.01 mm), or +/- .0001in – (.001mm).

Same as PVX-B (BASIC)

Velocity Range

0.0120 to .7300 in/μs (305 to 18,542 m/sec).

Same as PZX-7

.0492 to .3936 in/ms 1250 to 9999 meters/sec.

Same as PVX-B (BASIC)

Frequency range

1 to 25 MHz

Data Storage & Connectivity

Capacity

N/A

40 files of 250 read- ings per file, for 10,000 readings

4 Gb internal SD card

Software

N/A

provided

provided

provided

Interface/ Data Output

N/A

USB-C

USB-C

USB-C

Physical

Case

Extruded aluminum body with nickel-plated aluminum end caps (gasket sealed).

Keypad

Sealed membrane that is resistant to both water and petroleum products.

9 tactile-feedback keys.

Membrane switch with twelve tactile keys

Operating Temperature

 -22° to 167°F (-30° to 75°C)

-14° to 140°F (-10° to 60°C).

Display

LCD, 4.5 Digit 7 segment Display , backlit

Grayscale 1/8 VGA

AMOLED 1⁄4 VGA display