AS840 AS850 AS860 Digital Ultrasonic Thickness Gauge Sound Velocity Meter Steel Tube Metal plastic Glass ceramic Depth Width Measuring Instrument

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
the measured thickness.

±(1%H+0.1)mm,H denotes
the measured thickness.

±(1%H+0.1)mm,H denotes
the measured thickness.

Minimum limit for tube measuring

20*3mm (steel)

20*3mm (steel)

20*3mm (steel)

Sound velocity range

1000 to 9999 m/s
Measuring sound velocity with a given thickness: measuring range: 1000 to 9999 m/s.
When the given thickness >20mm, the accuracy is +/-5%;
when the given thickness <20mm, the accuracy is +/-1mm/H*100%.

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
With Backlight turn on current: 120mA Stand-by current: 20uA

Normal operation current: 50mA
With Backlight turn on current: 120mA Stand-by current: 20uA

Normal operation current: 50mA
With Backlight turn on current: 120mA Stand-by current: 20uA

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 * Φ10mm 5MHz Transducer
1 * 4mm Sampling Block
1 * Storage Box
1 * User Manual

1 * Ultrasonic Thickness Gauge
1 * Φ10mm 5MHz Transducer
1 * 4mm Sampling Block
1 * Storage Box
1 * User Manual

1 * Ultrasonic Thickness Gauge
1 * Φ10mm 5MHz Transducer
1 * 4mm Sampling Block
1 * Storage Box
1 * User Manual

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