Scope of application: 

Metal and non-metal workpieces; suitable for roughness measurement in mechanical processing manufacturing, inspection, commodity inspection, etc.; roughness measurement of complex workpieces such as planes, curved surfaces, grooves, and small holes.

Advantages: 

high precision, accurate to 0.001; 13 parameters, suitable for a variety of measurement requirements; reliable anti-motor stuck circuit and program software design, overcome the existing problems of domestic roughness meter, greatly improve the service life;

Handheld roughness meter overview:
1. NDT120 is a new intelligent non-destructive testing instrument for surface roughness detection of metal and non-metal workpieces;
2. Applicable to the roughness measurement of various shape parts in the machining manufacturing, inspection, commodity inspection and other departments;
3. The instrument complies with international standards and is compatible with the standards of some industrialized countries such as the United States, Germany, Japan and the United Kingdom.
4. The measurement results can be displayed on the LCD in digital and graphical mode, or output to the printer.

Handheld roughness meter features:
1. Compatible with ISO, DIN, ANSI, JIS national standards for surface roughness testing of metal and non-metal processing;
2. Large range, multi-parameter Ra, Rz, Rq, Rt;
3.128×64 OLED dot matrix display, digital/graphic display; highlight without dead angle;
4. Using high-speed DSP processor for data processing and calculation, the speed is fast and the precision is higher;
5. Reliable anti-motor walking circuit and software design;
6. Built-in lithium ion rechargeable battery and charging control circuit, high capacity, no memory effect;
7. Remaining battery indicator icon, showing the charging process, you can know the charging level at any time.
8. Continuous working time is more than 20 hours
9. Large-capacity data storage, which can store 100 sets of raw data and waveforms.
10. Real-time clock setting and display for easy data recording and storage.
11. With automatic sleep, automatic shutdown and other power saving features
12. Display various information such as measurement information, menu prompt information, error information, and power on/off;
13. Full metal housing design, sturdy, compact, portable and reliable.
14. Chinese/English language selection;
15. Can be connected to the printer;
16. Optional surface sensor, small hole sensor, measuring platform, sensor sheath, extension rod and other accessories.

Host parameters:
1. Measurement parameters: Ra, Rz, Rq, Rt, Rp, Rv, R3z, R3y, RzJIS, Rsk, Rku, Rsm, Rmr
2. Measurement range: Ra, Rq: 0.005μm ~ 16μm
Rz, R3z, Ry, Rt, Rp, Rm: 0.02 μm to 160 μm
Sk: 0 to 100%
S, Sm: 1mm
Tp: 0 to 100%
3. Indication accuracy: 0.001
4. Indication error: ± (7-10)%
5. Indication variability: <6%
6. Measuring contour: roughness, waviness, original contour
7. Graphics: support rate curve, roughness profile, direct profile
8. Filtering method: RC, PCRC, Gauss, ISO13565
9. Sampling length: 0.25mm, 0.8mm, 2.5mm
10. Evaluation length: 1L~5L optional (L is sampling length)
11. Maximum drive stroke length: 17.5mm/0.7inch
12. Minimum drive stroke length: 1.3mm/0.052inch
13. Internal storage capacity: 100 sets of raw data
14. External input / output interface: USB
15. Power: Built-in lithium ion rechargeable battery / external power adapter
16. Dimensions: 141 × 55 × 40mm

17. Host weight: 400g

Sensor parameters:
1. Measurement principle: displacement differential inductor
2. Stylist: natural diamond, 90 cone angle, 5μm tip radius
3. Force: <4mN
4. Guide: cemented carbide, sliding direction radius 40mm
5. Sliding speed: lr=0.25, vt=0.135mm/s
Lr=0.8, vt=0.5mm/s
Lr=2.5, vt=1mm/s
Return vt=1mm/s

The standard configuration
· TR200 roughness meter host 1
· Standard sensor 1
· Multi-line standard sample block 1
· Adjustable bracket 1
· Power adapter 1 set
· Instruction manual 1
· Certificate 1
· Warranty card 1

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