ULF-220 surface roughness tester
Main feature:
Shell used to pull aluminum mold design, durable, anti-electromagnetic
interference ability significantly, in line with the design of the new
trend.
Using high-speed DSP processor for data processing and calculation,
measurement and computation speed is greatly improved.
Liquid crystal display wide temperature using OLED color display, popular
high brightness, no visual angle, is suitable for various occasions.
The lithium ion rechargeable battery, can work for a long time, no memory
effect, can while charging, charging time is short, long battery life.
Using a dedicated charger or computer USB port for charging, convenient and
quick.
Real-time monitoring of lithium battery power and display, and to remind
users to charge with charging progress indication.
Automatic shutdown function and low power design of software and hardware of
the instrument with long working hours, suitable for field use.
The surface roughness of metal and non-metallic.
Pocket-size & economically price
Large measuring range suitable for most materials
Optimized electric circuit design with transducer structure-design, high
integrate power.
It could test ex-circle, flat surface, conical surface and also test groove
larger than 80*30mm.
Product Details:
|
ULF-220 |
|
|
Testing parameters |
Ra, Rz, Rq, Rt |
|
Measuring range (um) |
Ra, Rq: 0.05-15.0 Rz, Rt : 0.1-50.0 |
|
Sample length (mm) |
0.25, 0.80, 2.50 |
|
Evaluation length(mm) |
1.25, 4.0, 5.0 |
|
Stroke length (mm) |
6 |
|
Indication accuracy |
0.01 |
|
Indication error |
±(7-10)% |
|
Variability |
<12% |
|
Power |
Rechargeable li-battery |
|
Stylus static force: |
≤ 0.016N |
|
Force measuring rate of change |
≤ 800N/m |
|
Working temperature |
-20℃~40℃ |
|
Relative humidity |
<90% |
|
Weight of Host |
200g |
|
Size |
106mmx70mmx24mm |






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