SHANGHAI JU HUI INSTRUMENT MANUFACTURING CO., LTD
SHANGHAI JU HUI INSTRUMENT MANUFACTURING CO., LTD
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Surface roughness measuring instrument for laboratory and production sites, can measure the surface roughness of a variety of machined parts, including planes, bevels, outer cylindrical surfaces, curved surfaces, small holes, grooves and axles, etc., according to selected measurements Conditions Calculate the corresponding parameters and clearly display the measurement results and contour graphs on the LCD.
Main feature:
1. Mechatronics design, small size, light weight and convenient to use;
2. High precision inductive sensor;
3, using DSP chip for control and data processing, fast speed, low power consumption;
4. GAUSS filter;
5, 128 × 64 dot matrix OLED LCD screen
6, built-in lithium ion rechargeable battery and charging control circuit, high capacity, no memory effect, continuous working time is more than 20 hours;
7, with automatic shutdown, memory and various information;
8, optional curved sensor, small hole sensor, measuring platform, extension rod and other accessories
9. Compatible with ISO, DIN, ANSI and JIS national standards;
10, the system language can be switched between Chinese and English, boot default Chinese system
11, the unit can be changed in order: work system → inch system; the default value is the work system.
Technical parameter :
| Item | Parameter | |
| Testing range | Z axis(vertical) | 200μm |
| XAxis (horizontal) | 15mm | |
| Resolution | Z axis (vertical) | 0．01μm/±20μm |
| 0．02μm/±40μm | ||
| 0．04μm/±80μm | ||
| Measuring project | Parameter | Ra,Rq,Rsm,Rsk,Rz,Rt,Rp,Rv,Rc,Rco |
| Standard | ISO,ANSI,DIN,JIS | |
| Graphics | Bearing rate curve, roughness profile, direct profile | |
| Filter | GAUSS filter | |
| Sampling length(lr) | 0.25,0.8,2.5mm | |
| Rating length(ln) | Ln= lr×n n=1~5 | |
| Sensor | Measuring principle | Displacement differential inductance |
| Stylus | Natural diamond, 90 cone angle, 5μm tip radius | |
| Force measurement | <4mN | |
| Lead | Carbide, sliding direction radius 45mm | |
| 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 | ||
| Indication error | Less than ±10% | |
| Indication variability | Less than 6% | |
| Power | Built-in lithium ion rechargeable battery, charged with DC5V, 800mA charger | |
| Dimensions | 158x63.5x46mm | |
| Weight | About 300g | |
| Working environment | Temperature:- 20℃ ~ 40℃ Humidity:< 90% RH | |
| Storage and transportation environment | Temperature:- 40℃ ~ 60℃ Humidity:< 90% RH | |
Measuring range:
| Parameter | Display range |
| Ra,Rq | 0.005μm ~ 16μm |
| Rz,R3z,Ry,Rt,Rp,Rm | 0.02μm ~ 160μm |
The standard configuration:
| SHT-180 host | 1 | Standard sensor | 1 |
| Multi-line standard block | 1 | Adjustable bracket | 1 |
| Power Adapter | 1 | Instruction manual | 1 |
| Certificate | 1 | Warranty Card | 1 |