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Summary of parameters of several popular models of Lantai Roughness Gauge

The roughness meter is also a surface roughness meter, a roughness measuring instrument, a surface finish meter, etc. The roughness meter is widely used in the detection of various metal or non-metal processing surfaces. It has the advantages of accurate and stable detection, simple and convenient operation, and portability.


Lantai is a popular brand instrument. This issue mainly introduces several popular models of roughness meters of Lantai. The comparison of model parameters is shown in the table below. For more comparisons of roughness meters, you can log in to check the instrument for query and understanding. .


Compare categoryRoughness TesterSRT-6200SRT-6100SRT-6200SSRT-6210SRT-6210S
product pictureSummary of the parameters of several popular models of Lantai Roughness Meter with Figure 1A summary of the parameters of several Lantai popular models of roughness meters with Figure 2Summary of the parameters of several popular models of Lantai Roughness Meter with Figure 3Summary of the parameters of several popular models of Lantai Roughness Meter with Figure 4Summary of the parameters of several popular models of Lantai Roughness Meter with Figure 5
brandRantaiRantaiRantaiRantaiRantai
place of originCHINACHINACHINACHINACHINA
Model comparison
Measuring principlecontact type
non-contact
contact type
non-contact
contact type
Measurement parametersRa
Rz
Ra
Rz
Ra
Rz
Rq
Rt
Ra
Rz
Rq
Rt
Ra
Rz
Rq
Rt
Specification comparison
Measurement parametersRa, RzRa, RzRa, Rz, Rq, RtRa, Rz, Rq, RtRa, Rz, Rq, Rt
Measuring rangeRa: 0.05~10.00um; Rz: 0.020~100.0umRa: 0.05~10.00um; Rz: 0.1~50.0umRa, Rq: 0.05~10.00um; Rz, Rt: 0.020~100.0umRa, Rq: 0.05~16.00um; Rz, Rt: 0.020~160.0umRa, Rq: 0.05~16.00um; Rz, Rt: 0.020~160.0um
Indication accuracyNot more than ±10%Not more than ± 15%Not more than ± 10%Not more than ± 10%Not more than ± 10%
Indication error




Indication volatilityNot more than 6%Not more than 10%Not more than 6%Not more than 6%Not more than 6%
Sampling length0.25 mm, 0.8 mm, 2.5 mm0.25 mm, 0.8 mm, 2.5 mm0.25 mm, 0.8 mm, 2.5 mm0.25 mm, 0.8 mm, 2.5 mm0.25 mm, 0.8 mm, 2.5 mm
assessment length1~5 L optional
1~5 L optional1~5 L optional1~5 L optional
stroke length




Sensor principleInductiveInductiveInductiveInductiveInductive
Sensor Stylus Radius10um10um10um5um5um
sensor materialdiamonddiamonddiamonddiamonddiamond
Sensor force measurement16 mN (1.6 gf)16 mN (1.6 gf)16 mN (1.6 gf)4 mN (0.4 gf)4 mN (0.4 gf)
The sensor measures the angle90°90 °90 °90 °90 °
Maximum driving stroke length17.5 mm12.5 mm / 0.5 inches17.5 mm17.5 mm17.5 mm / 0.7 inches
Drive speed - when measuredWhen sampling length = 0.25 mm, Vt = 0.135 mm/s; when sampling length = 0.8 mm, Vt = 0.5 mm/s; when sampling length = 2.5 mm, Vt = 1 mm/sWhen sampling length = 0.25 mm, Vt = 0.135 mm/s; when sampling length = 0.8 mm, Vt = 0.5 mm/s; when sampling length = 2.5 mm, Vt = 1 mm/sWhen sampling length = 0.25 mm, Vt = 0.135 mm/s; when sampling length = 0.8 mm, Vt = 0.5 mm/s; when sampling length = 2.5 mm, Vt = 1 mm/sWhen sampling length = 0.25 mm, Vt = 0.135 mm/s; when sampling length = 0.8 mm, Vt = 0.5 mm/s; when sampling length = 2.5 mm, Vt = 1 mm/sWhen sampling length = 0.25 mm, Vt = 0.135 mm/s; when sampling length = 0.8 mm, Vt = 0.5 mm/s; when sampling length = 2.5 mm, Vt = 1 mm/s
Drive speed - when returningVt = 1 mm/sVt = 1 mm/sVt = 1 mm/sVt = 1 mm/sVt = 1 mm/s
resolution0.001 um when the measured value < 10 um; 0.01 um when the measured value is 10 um ≤ the measured value ≤ 100 um; 0.1 um when the measured value ≤ 100 um0.001 um when the measured value < 10 um; 0.01 um when the measured value is 10 um ≤ the measured value ≤ 100 um; 0.1 um when the measured value ≤ 100 um0.001 um when the measured value < 10 um; 0.01 um when the measured value is 10 um ≤ the measured value ≤ 100 um; 0.1 um when the measured value ≤ 100 um0.001 um when the measured value < 10 um; 0.01 um when the measured value is 10 um ≤ the measured value ≤ 100 um; 0.1 um when the measured value ≤ 100 um0.001 um when the measured value < 10 um; 0.01 um when the measured value is 10 um ≤ the measured value ≤ 100 um; 0.1 um when the measured value ≤ 100 um
Dimensions140x52x48mm _ _128x80x30mm _ _ _ _149 x 67 x 29mm140x52x48mm _ _ _ _149 x 67 x 29mm
weight420g280g485g420g485g
power supplyLi-ion rechargeable battery4 AAA batteries4 AAA batteriesBuilt-in lithium-ion rechargeable battery4 AAA batteries
working environmentTemperature: 0~50 ℃ Humidity: < 80 %RHTemperature: 0~50 ℃ Humidity: < 80 %RHTemperature: 0~50 ℃ Humidity: < 80 %RHTemperature: 0~50 ℃ Humidity: < 80 %RHTemperature: 0~50 ℃ Humidity: < 80 %RH
Longitudinal half of the sensor48 mm48 mm48 mm48 mm48 mm
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