LBTT-180 Surface Roughness Measuring Instrument
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Description
Product Introduction:
The surface roughness measuring instrument is suitable for both laboratory and production environments, capable of measuring the surface roughness of a wide range of machined parts, including flat surfaces, inclined planes, external cylindrical surfaces, curved surfaces, small holes, grooves, and axles. Based on the selected measurement conditions, it calculates the corresponding parameters and displays the measurement results and profile graphs clearly on an LCD screen. This instrument is easy to operate, feature‑rich, fast in measurement, stable in accuracy, and conveniently portable. It can measure the key parameters specified by the latest international standards and fully complies with these standards. Its measurement parameters conform to the national standard GB/T 3505 “Geometrical Product Specifications—Surface Texture—Profile Method—Terms, Definitions, and Parameters,” while also being compatible with the standards of the United States, Germany, Japan, the United Kingdom, and other countries.
(Marble measuring bracket optional)
Key features:
1. Mechatronic design: compact size, lightweight, and easy to use;
2. High-precision inductive sensor;
3. Multi-parameter Ra, Rz, Rq, Rt, Rc, Rp, Rv, R3z, R3y, Rz (JIS), Rs, Rsk, Rsm, Rku, Rmr; Ry (JIS); Rmax
3. It employs a DSP chip for control and data processing, offering high speed and low power consumption.
4. RC, PC-RC, Gauss, and D-P filters;
5. Automatic range switching and display;
6. Dual USB interface design featuring Type-C and Mini-USB, suitable for communications and automatic control applications;
7. Switchable display orientation for convenient left- and right-handed operation;
8. 320×240 dot-matrix color display, with both numeric and graphical display; IPS high-brightness panel;
9. Displays measurement information, menu prompts, error messages, and various status indications such as power-on/off;
10. Features power-saving functions such as automatic sleep and automatic shutdown;
11. Built-in lithium-ion rechargeable battery and charging control circuit, with high capacity and no memory effect, providing continuous operation for more than 20 hours.
12. Ultra-large-capacity data storage, capable of storing 100 sets of raw data and waveforms;
13. Features automatic shutdown, memory function, and various information displays;
14. Optional accessories include curved-surface sensors, small-hole sensors, measurement platforms, extension rods, and more.
15. Compatible with multiple national standards, including ISO, DIN, ANSI, and JIS.
16. The system language can be switched between Chinese and English, with the default setting at startup being Chinese.
17. The unit can be switched in sequence: metric → imperial; the default is the inch-based system.
Technical Specifications:
| Name | Content | |
Measurement Scope |
Z-axis (vertical) | 320 μm |
| X-axis (horizontal) | 17.5mm | |
| Resolution | Z-axis (Vertical) |
0.001 μm/±20 μm |
| 0.002 μm/±40 μm | ||
| 0.004 μm/±80 μm | ||
Measurement Project |
Parameter | Ra, Rz, Rq, Rt, Rmax, Rc, Rp, Rv, R3z, R3y, Rz (JIS), Ry (JIS), Rs, Rsk, Rku, Rsm, Rmr, RPc |
| Standard | ISO 4287 international standard; ANSI B46.1 U.S. standard; DIN 4768 German standard; JIS B 601 Japanese standard |
|
| Graphics | Support ratio curve, roughness, original profile, filtering waveform | |
| Filter | RC, PC-RC, Gauss, D-P filters | |
| Sampling length (lr) | 0.25, 0.8, 2.5 mm | |
| Evaluation length (ln) | Ln = lr × n, where n = 1 to 5. | |
| Range Setting | ±20μm; ±40μm; ±80μm; ±160μm; | |
| Sensor | Measurement principle | Displacement-type differential inductive |
| stylus | Natural diamond, 90° cone angle, 5 μm tip radius | |
| Force measurement | <4mN | |
| Leading head | Carbide, glide-direction radius 40 mm | |
| Gliding 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 | ||
| Indication error | Not greater than ±10% | |
| Indication variability | Not greater than 3% | |
| Power supply | Built-in lithium-ion rechargeable battery; charges with a DC 5V, 800mA charger. | |
| External dimensions | 158x63.5x46mm | |
| Weight | Approximately 300g | |
| Work environment | Temperature: -20℃ ~ 40℃ Humidity: < 90% RH | |
| Storage and Transportation Environment | Temperature: -40°C ~ 60°C; Humidity: < 90% RH | |
Measurement range:
| Parameters | Display Range |
| Ra, Rq | 0.005 μm ~ 16 μm |
| Rz,R3z | 0.02μm ~ 32μm |
| Ry, Rt, Rp, Rm | 0.02 μm ~ 160 μm |
| RS, RSm | 0.02 μm ~ 1000 μm |
| RSk,tp | 0-100% |
Standard configuration:
| SHT-180 Roughness Meter Main Unit | 1 unit | Standard sensor | 1 piece |
| Multi-Graded Standard Test Block | 1 piece | Adjustable bracket | 1 piece |
| Power adapter | 1 set | Instruction manual | 1 piece |
| Certificate of Conformity | 1 piece | Warranty card | 1 piece |
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E-mail:lbt@lbt.ltd
Address:Tianjin Jinghai Economic Development Zone