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LI-QUID LIQUID INTERNATIONAL 利奎德国际 · Shanghai
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路面平整度仪

Road Roughness Meters

Model No. RRM-0003 · Highway & Pavement Testing Equipment

Towed 3 m Continuous Road Roughness Meter

牵引式3 m连续式平整度仪

Many highway specifications judge layer smoothness by the standard deviation of a 3 m reference profile. This towed meter rides on 8 wheels over a 3 m base with a central measuring wheel reading ±25 mm at 0.01 mm every 100 mm. Towed at up to 12 km/h, it prints the standard deviation for each 100 m section on site.

Reference base length
3 m
Support wheels
8 wheels on front and rear bogies
Measuring wheel
Central wheel with displacement sensor
Displacement range
±25 mm
Resolution
0.01 mm
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Packing & Shipping

Place of originChina (dispatched from Shanghai)
BrandLiquid International / OEM on request
Export packingFumigation-free plywood case or reinforced carton
Loading portShanghai / Ningbo (others on request)
Payment termsT/T, L/C at sight (confirmed on quotation)
Trade termsEXW, FOB, CFR, CIF, DAP

Typical export terms — final terms are confirmed on the proforma invoice.

Product Description 产品描述

Many highway specifications judge layer smoothness by the standard deviation of a 3 m reference profile. This towed meter rides on 8 wheels over a 3 m base with a central measuring wheel reading ±25 mm at 0.01 mm every 100 mm. Towed at up to 12 km/h, it prints the standard deviation for each 100 m section on site.

Highlights

  • 3 m reference base on 8 wheels
  • ±25 mm range, 0.01 mm resolution
  • 100 mm sampling, towed up to 12 km/h
  • Prints σ per 100 m on site

Applications

  • Smoothness acceptance of base and surface courses
  • Contractor QC during paving
  • Municipal road surveys
  • Comparison with straightedge results

Specifications 技术参数

ParameterValue
Reference base length 基准长度 3 m
Support wheels 支承轮 8 wheels on front and rear bogies
Measuring wheel 测定轮 Central wheel with displacement sensor
Displacement range 位移量程 ±25 mm
Resolution 分辨率 0.01 mm
Sample interval 采样间距 100 mm
Towing speed 牵引速度 ≤ 12 km/h
Outputs 输出 Standard deviation σ per 100 m, IRI estimate
Data unit 数据单元 Handheld logger with printer
Weight 重量 About 210 kg
Model No.RRM-0003
Place of originChina (dispatched from Shanghai)

Applicable standards 适用标准

ASTM E950 ASTM E1926 ASTM E1364 ASTM E1082 ASTM E1274 AASHTO M 328 AASHTO R 57

Chinese national standards (GB/T, JJG) and international standards referenced for this product type. Test reports and certificates are supplied with the quotation on request.

Packing & Shipping 包装与运输

Export packing

Fumigation-free plywood case or reinforced carton

Every unit is power-tested before packing; enclosed in shock foam and moisture barrier; wooden cases comply with ISPM 15.

Loading port

Shanghai / Ningbo (others on request)

Full container load (FCL), less-than-container load (LCL) or air freight; complete export documentation provided.

Inquiry Now 索取报价

Complete the form below — an export engineer will send technical configurations and a formal proforma invoice within 24 hours.

Products in this inquiry: Towed 3 m Continuous Road Roughness Meter (RRM-0003)

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