Product Description

SA40 Ultrasonic Wall Thickness Gauge

The SA40 Ultrasonic Wall Thickness Gauge is a hand held thickness gauge specifically designed for measuring the thickness of metallic, and non-metallic materials from one side where it is not possible to gain access to the other side.  Materials that can be measured includes : aluminium, titanium, plastics, ceramics, glass and other good ultrasonic wave-conducting materials, as long as the material has parallel top and bottom surfaces.
With uses in many areas of industry, the SA40 can perform precise measurements on various types of raw materials, component parts, and assembled machinery.  It can also be used to monitor all types of pipes and pressure vessels for loss of thickness due to corrosion. The SA40 is very easy to use.  After a simple calibration to a known thickness or sound velocity, the gauge will give fast and accurate readings in millimeters.

 

Specifications

SA40 Ultrasonic Wall Thickness Gauge – Specifications

Description Specification
Technique pulse echo with dual probe
Display 4 digits LCD with back-light
Measuring range 0.8 to 225.0mm
Resolution 0.1mm
Velocity range 500-9,999m/sec.
Display circle 1 sec.
Coupling indication
Units mm
Low battery indicator on LCD
Auto shut-off after 5 min. of non-use
Power 2 ea. 1.5V AA alkaline cells
Operating temperature 0-40°C
Operating humidity 20-90%RH
Size 124 x 67 x 30mm
Weight 240g

 

SA40 Ultrasonic Wall Thickness / Material Thickness Gauge Packing List:

  • SA40 Gauge
  • PT-5 Probe (5Mhz)
  • Two 1.5v AA Batteries
  • A Bottle of Couplant
  • Operation Manual
  • Calibration Certificate of Readings
  • Hard Foam Lined Carry Case

Data Sheet

SA40 Ultrasonic Wall Thickness Gauge – Data Sheet

SA40 Ultrasonic Wall Thickness Gauge Data Sheet

Accessories

SA40 Ultrasonic Wall Thickness Gauge – Accessories

Optional Probes

Probes  Frequency  Diameter  Range Applications
PT-5 5MHZ Dia.Φ10mm 1.00-300.0mm For standard applications
XT-5 5MHZ Dia.Φ7mm 0.60-30.0mm For tubes with small diameter
GT-5 5MHZ Dia.Φ12mm 1.00-200.0mm For high temperature up to 300℃
CT-2.5 2.5MHZ Dia.Φ12mm 2.00-200.0mm For unfavorable attenuation

 

Sound Velocities

Sound Velocities / Speed of Sound in Materials for Ultrasonic Thickness Gauges

The Ultrasonic Thickness Gauges can be programmed by the user to the appropriate material in two ways :

  • Using known standards of the same material – set the calibration to the thickness
  • Using the frequency calibration, set the frequency to the appropriate material using the Velocity / Speed of Sound Chart below.
Metals
m/s m/s
A Aluminium 6 320 – 6 400 M Molybdenum 6 250 – 6 300
Aluminium (2024-T4) 6 380 Mercury 1 450
Asbestos Cement 2 200 N Nickel 5 480 – 6 040
B Beryllium 12 880 P Platinum 3 690
Boron Carbide 10 920 S Silver 3 600 – 3 700
Brass 4 390 Steel, Mild 5 900 – 6 100
C Cast Iron 3 500 – 5 600 Steel, Casting (4340) 5 850
Cast Iron (Modular  Graphite) 5 600 Steel, 303 Stainless (Austenitic) 5 660 – 6 120
Cast Grey Middle 4 600 Stellite 7 050
Copper 4 650 – 4 720 T Tin 3 300 – 3 330
Cadmium 2 770 – 2 800 Titanium 5 900 – 6 100
Chromium 6 200 Tungsten Carbon 6 650
G Gold 3 200 – 3 250 Tungsten 5 180 – 5 400
I Inconel 5 820 U Uranium 3380
Iron 5 890 – 5 930 W Wolfram 5 460
L Lead 1 960 – 2 400 Z Zinc 4 170 – 4 320
M Manganese 4 660 – 4 700 Zircaloy 2 4 700
Magnesium 5 770 – 5 840 Zirconium 4 650
Non-Metal
m/s m/s
A Acrylic 2 870 N Nylon 2 600 – 2 690
Acrylic Resin 2 730 – 2 870 O Oil (SAE 30) 1 740
Air 330 P Paraffin Wax 2 200
Aluminium Oxide 8 700 Perspex 2 860
C Ceramic (Macor) 5 631 Phenolic 1 400
Diamond 17 500 Plexi Glass 2 690
Diesel Oil 1 250 Polyamide 2 380
Epoxy Resin 2 650 Polyethylene 1 900 – 2 400
G Glass (Flint) 4 260 Polyurethane 1 780 – 1 900
Glass (Crown) 5 260 – 6 120 Polystyrene 2 340 – 2 400
Glass (Quartz) 5 570 Porcelain 5 600 – 5 900
Glass (Window) 6 800 PVC 2 400
Glycerine 1 930 Q Quartz X Cut 5 740
I Ice 3 980 Quartz Fused 5 980
H Hi-Density Polyethelene 2 220 – 2 300 Rubber (Butyl) 1 900
        (Grey & White, Not Black) R Rubber (Soft) 1 480
M Methylene-Oxide 9 980 Rubber (Vulc.) 2 300
Monel 5 360 – 5 400 S Silicone Rubber 948
Motor Oil (SAE 30) 1 750 T Teflon 1 350 – 1 520
N Neoprene 1 600 W Water 1470
NB Note : This Schedule is only a Guide

 

Instruction Manual

SA40 Ultrasonic Wall Thickness Gauge – Instruction Manual

SA40 Ultrasonic Wall Thickness Gauge Instruction Manual