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RM200

RM200

Measurement Parameters（μm ）：Ra、Rz、Rq、Rt 

Stroke Length（mm）：6 

Sampling Length（mm）：0.25 ，0.80 ，2.50 

Evaluation Length（mm）：1.25 ，4.0 

Measurement Range（μm ）：Ra： 0.05 ~ 10.0；Rz： 0.1 ~ 50 

Error of Indication：±15% 

Varation of Indication： ＜ 12% 

Touch needle tip arc radius and angle of the sensor： 

Tip arc radius：10μm±1μm 



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Product Description

Measurement Parameters（μm ）：Ra、Rz、Rq、Rt 

Stroke Length（mm）：6 

Sampling Length（mm）：0.25 ，0.80 ，2.50 

Evaluation Length（mm）：1.25 ，4.0 

Measurement Range（μm ）：Ra： 0.05 ~ 10.0；Rz： 0.1 ~ 50 

Error of Indication：±15% 

Varation of Indication： ＜ 12% 

Touch needle tip arc radius and angle of the sensor： 

Tip arc radius：10μm±1μm 



A. Introduction
The product is a new portable Surface Roughness Tester developed by our company. Featuring high accuracy,wide range of application, simple operation and stable performance. It is widely applicable in testing surfaces of all kinds of metals and non-metals. Integrating pick up with the main unit, it is a hand-held set, especially suitable for use on production sites.

B. Features
Appearance using pull aluminum mould design, durable, anti-electromagnetism interference ability significant, accord with current design new trend.；
By using high-speed DSP processors for the data processing and calculation, measuring and calculation speed is greatly improved；
Liquid crystal adopts popular OLED display, high brightness, no perspective, wide temperature. It is suitable for various applications；
Using lithium ion rechargeable batteries, it can work long hours with no memory effect. It also can work with charging .Charging time is short, while the battery life is long；
Use the common USB interface to charge and communication. Use special charger or the computer USB port of charge. It's convenient and quick.；
Dot matrix LCD display, interface message is rich；
Real-time monitoring of lithium battery power and display, electric charge and timely remind users；

Technical Parameters
Measurement Parameters（μm ）：Ra、Rz、Rq、Rt
Stroke Length（mm）：6
Sampling Length（mm）：0.25 ，0.80 ，2.50
Evaluation Length（mm）：1.25 ，4.0
Measurement Range（μm ）：Ra： 0.05 ~ 10.0；Rz： 0.1 ~ 50
Error of Indication：±15%
Varation of Indication： ＜ 12%
Touch needle tip arc radius and angle of the sensor：
Tip arc radius：10μm±1μm
The sensor touch needle static force measurement and its rate ：
Touch needle static force measurement：≤ 0.016N
Force measurement rate：≤ 800N/m
Sensor guide head pressure：≤ 0.5N
Battery：3.7V Lithium Ion battery
Dimension：106 mm×70 mm×24 mm
Weight：200g
Working Environment Conditions : Temperature： -20℃～ 40℃
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