Ultrasonic thickness gauge-南京诺金高速分析仪器厂

Ultrasonic thickness gauge

1 Overview
Mt150 is an intelligent ultrasonic thickness gauge. It adopts a new high-performance, low-power microprocessor technology. Based on the ultrasonic measurement principle, it can measure the thickness of metals and other materials, and measure the sound velocity of materials. It can monitor all kinds of pipes and pressure vessels in the production equipment, monitor their thinning degree after being corroded in the process of use, and accurately measure various plates and various processed parts. This instrument can be widely used in petroleum, chemical industry, metallurgy, shipbuilding, aviation, aerospace and other fields.
2 technical parameters
L display method: high contrast segment code LCD display, high brightness El backlight;
L measurement range: 0.75-300 mm (in steel), metric system and English system can be selected;
L sound speed range: 1000 ~ 9999 M / s:
L resolution: 0.1mm
L indication accuracy: ± (0.5% H + 0.04) mm h is the actual thickness of the measured object
L measurement cycle: 4 times / s for single point measurement and 10 times / s for scanning mode;
Storage capacity: it can store 20 groups of thickness measurement data (up to 99 measurements in each group).
L working voltage: 3V (2 AA size alkaline batteries in series)
L continuous working time: about 100 hours (without backlight)
L overall dimension: 150 × 74 × 32 mm
L total weight: 245g
3 main functions
L suitable for measuring the thickness of metal (such as steel, cast iron, aluminum, copper, etc.), plastics, ceramics, glass, glass fiber and any other good ultrasonic conductor;
L can be equipped with a variety of different frequency, different chip size of the double crystal probe for use;
L it has the function of zero point calibration and two-point calibration of probe, which can automatically correct the system error;
The sound velocity can be measured back to improve the measurement accuracy;
L with coupling status prompt function;
L has El backlight display, which is convenient for use in low light environment;
L it has the function of remaining power indication, which can display the remaining battery power in real time;
L with automatic sleep, automatic shutdown and other power saving functions;
L compact, portable, high reliability, suitable for harsh operating environment, anti vibration, impact and electromagnetic interference;
4 working principle
The thickness measurement of this ultrasonic thickness gauge is that the ultrasonic pulse generated by the probe reaches the measured body through the coupling agent. Part of the ultrasonic signal is reflected by the bottom surface of the object. The probe receives the echo reflected by the bottom surface of the measured body. The round-trip time of the ultrasonic wave is accurately calculated, and the thickness value is calculated according to the following formula, and then the calculation results are displayed.
Where:
H - thickness measurement;
V - sound velocity of material;
T-the propagation time of ultrasonic wave in the specimen.
5 instrument configuration
Table 1 instrument configuration
Serial number
name
number
remarks
Standard configuration
One
host
1 set
Two
Standard probe (5MHz)
1
Three
Couplant
1 bottle
Four
ABS instrument box
1
Five
Random data
1 copy
Six
Battery compartment tools
1
Optional configuration
Eight
Coarse grained probe (2MHz)
Nine
Micro diameter probe (7.5MHz)
Ten
High temperature probe (5MHz)
Table 2 probe selection
name
model
Frequency
(MHZ)
Probe
Diameter
measuring range
Minimum pipe diameter
characterization
Coarse grain probe
N02
Two
22mm
3.0 mm ~ 300.0 mm (steel)
Below 40mm (gray cast iron HT200)
Twenty
It is used for the measurement of coarse grained materials such as cast iron
Standard probe
N05
Five
10mm
1.2mm ～ 230.0mm (steel)
Φ20mm×3.0mm
currency
Standard probe
N05/90°
Five
10mm
1.2mm ～ 230.0mm (steel)
Φ20mm×3.0mm
currency
Micro diameter probe
N07
Seven
6mm
0.75mm ～ 80.0mm (steel)
Φ15mm×2.0mm
It is used to measure thin wall and small arc surface
High temperature probe
HT5
Five
14mm
3-200 mm (steel)
Thirty
It is used for the measurement of materials with temperature less than 300 ℃
6 working conditions
Ambient temperature: operating temperature - 20 ～ + 50 ℃; storage temperature: - 30 ℃ - + 70 ℃
Relative humidity ≤ 90%;
There is no strong vibration, strong magnetic field, corrosive medium and serious dust in the surrounding environment.
7 main display interface
After the instrument is started, it will automatically enter the main display interface, as shown in the following figure:

Ultrasonic thickness gauge

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