Features
1. Auto calibration to assure the accuracy
Specifications:
Model | AS840 | AS850 | AS860 |
Display |
4-digital LCD display |
4-digital LCD display |
4-digital LCD display |
Minimum display unit: |
0.1 mm |
0.1 mm |
0.1 mm |
Measuring Probe: |
∅10mm 5MHz |
∅10mm 5MHz |
∅10mm 5MHz |
Measuring range |
1.2 to 225.0mm (steel) |
1.2~225mm(steel) |
1.00 to 300.0mm(steel) |
Working frequency |
5MHz |
5MHz |
5MHz |
Accuracy |
(1%H+0.1)mm,H denotes |
±(1%H+0.1)mm,H denotes |
±(1%H+0.1)mm,H denotes |
Minimum limit for tube measuring |
20*3mm (steel) |
20*3mm (steel) |
20*3mm (steel) |
Sound velocity range |
1000 to 9999 m/s |
||
Operation temperature |
0℃ to 40℃ |
0℃ to 40℃ |
0℃ to 40℃ |
Relative humidity: |
<90%RH |
<90%RH |
<90%RH |
Hardware/workpiece/material temperature: |
<60°C |
<60°C |
<60°C |
Power supply |
3 * 1.5V AA Battery(Not Included) |
3 * 1.5V AA Battery(Not Included) |
3 * 1.5V AA Battery(Not Included) |
Operation current: |
Normal operation current: 50mA |
Normal operation current: 50mA |
Normal operation current: 50mA |
Product Weight |
152g |
155g |
191g |
Product Size |
161x66x31mm |
160 x 66 x 32mm |
163 x 70 x 34mm |
Package Weight |
670g |
880g |
850g |
Package Size |
25x21x6cm |
29.5 x 19.5 x 7cm |
29.5 x 19.5 x 7cm |
Packing Contents |
1 * Ultrasonic Thickness Gauge |
1 * Ultrasonic Thickness Gauge |
1 * Ultrasonic Thickness Gauge |
Table of sound velocity (Sound velocity of common materials) |
|||
Material |
Velocity(m/s) |
Material |
Velocity(m/s) |
Aluminum |
6320 |
Acetate resin |
2670 |
Zinc |
4170 |
Phosphor bronze |
3530 |
Silver |
3600 |
Turpentine |
4430 |
Glod |
3240 |
Glass |
5440 |
Tin |
3230 |
Incoloy alloy |
5720 |
Iron/Steel |
5900 |
Magnesium |
6310 |
Brass |
4640 |
Monel alloy |
6020 |
Copper |
4700 |
Nickle |
5630 |
SUS |
5790 |
Steel 4330 mild |
5850 |
Acrylic resin |
2730 |
Steel 330 |
5660 |
Water 20C |
1480 |
Titanium |
6070 |
Glycerinl |
1920 |
Zirconium |
4650 |
Soluble glass |
2350 |
Nylon |
2620 |