EJB 9941 ULTRASONIC THICKNESS METER  

    EJB 9941 is easy to use ultrasonic thickness meter for various materials : steel, aluminium, copper, glass, plastics, pottery, etc.

   Complete set for measurement of various ultrasonic waves conductors (instrument, probe, build in calibration metal block 4.0mm).

 

 

  Ultrasonic wave frequency : 5 MHz

  Digital display : 4 digits

  Measuring range : 1,2-220 mm (steel)

  Resolution : 0,1 mm

  Accuracy : 1%H+0,1mm

  Measurement rate : 0,6 sec.

  Power supply : 3 x AAA, 1,5V

  Operating temperature : -10 +50C

  Storage temperature : -40 +70C

  Dimensions : 165 x 60 x 30 mm

  Weight : 210g (with battery & probe)

 

 

Extra info

- Ultrasonic velocity adjustable

- Measuring velosity function

- Thickness unit mm/inch convertible

- Coupling indication on display

- Build in metal block (4,0 mm) for calibration

- Low battery voltage indication

- Auto power off

 

European union safety norm

- EMC 2004/108/EC

 

Table of materials

Digit

Material

 Ultrasonic wave speed

1 Iron/Steel 5900 m/s
2 Aluminium 6320 m/s
3 Copper 4700 m/s
4 Brass 4430 m/s
5 Gold 3240 m/s
6 Silver 3600 m/s
7 Zinc 4170 m/s
8 Stannum 3320 m/s
9 Glass 5850 m/s
10 Plastic 2250 m/s
11 Toughened tile 5580 m/s
12 Water (20C) 1480 m/s
13 Material a 6500 (under adjusting)
14 Material b 5500 (under adjusting)
15 Material c 4500 (under adjusting)
16 Material d 3500 (under adjusting)
17 Material e

2500 (under adjusting)

 

 

Standard KIT supplied :

- Instrument

- Ultrasonic sensor

- Aluminium case

- Coupling paste

- Wrist Strap/String

- Users Manual

 

 

 

Calibration + Certificate (see Calibration)

 

 

 

 

 

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