MarSurf M 300 C Mobile roughness measuring instrument
  • Bright, illuminated color display
  • Automatic selection of filter and traversing length conforming to standards
  • Integrated thermal graphics printer with high print quality
  • Log printed by pressing a button
  • Data transfer of results and profiles via USB interface to your PC
  • Evaluation of most common parameters as well as characteristic curves, parameter lists (e.g. material ratio curve)
  • Printing of R profile (ISO/ASME/JIS), P profile (motif), material ratio curve, measuring record
  • Measuring units (μm/μinch) and standards (ISO/Jis/asme/motif) are selectable
  • Tolerance monitoring
  • Integrated memory for results of up to 40000 measurements and 30 profiles
  • Setting of asymmetric intersection lines for peak count calculation
  • Individual sampling lengths and short cutoff can be selected
  • Key pad lock and/or password protection for instrument settings
  • Built in rechargeable battery with power management
  • Integrated roughness standard for the standard pick-up PHT 6-350
  • Dynamic calibration function
  • Date and/or time of measurement
  • MarSurf PS1/M300 Explorer Software for recording measurements
  • Technical data

Measuring principle
Stylus method
Inductive skidded probe
Measuring units
μm/μinch selectable
Measuring range mm
Profile resolution
8 nm
Vertical Scale
Horizontal scale
Depends on cutoff
Log contents
R profile, MRK, P profile (MOTIF), results
Filter according to ISO/JIS
Gauß-Filter, Ls-Filter
Short stroke under ISO/JIS
Traversing length according ISO 12085 (MOTIF)
1 mm, 2 mm, 4 mm, 8 mm, 12 mm,16 mm
Evaluation lenth In according to ISO/JIS
1.25 mm, 4 mm, 12.5 mm
Number n of sampling length according to ISO/JIS
Selectable: 1-5
Contacting speeds
0.5 mm/s
2 µm
Measuring force (N)
LC display
High resolution color display, 3.5", 320 x 240 pixel
Automatic/manual record with time
Thermal printer, 384 points/horizontal line, 20 characters/line
Printing speed
Approx. 6 lines/second corresponds to approx. 25 mm/s (1 in/s)
Ø 40.0 mm -1.0 mm, width 57.5 mm-0.5 mm, coated
Calibration function
Storage capacity
Internal memory for max. 40000 results, max. 30 profiles
Password protection
Lock for device settings
Power management
Drive unit, power sorce, USB, MarConnect
Relative humidity
30 % to 85 %
System of protection
M 300 = IP 42, RD 18 = IP 40
Operating temp. range
+5 °C to +40 °C
Temperature range for storage
-15 °C to +55 °C
Power supplied
NiMH battery, capacity: approx. 500 measurements (depends on number and length of record printouts)
Rechargeable batteries
NiMH battery, capacity: approx. 500 measurements
Wide range power supply
Plug-in power pack with three power adapters, for input voltages from 90 V to 264 V
Dimensions (L x W x H) for drive unit in mm.
139 x 26 mm
Dimensions (L x W x H) for measuring instrument in mm.
190 x 140 x 75 mm
Weight drive unit
Approx. 300 g
Weight measuring instrument
Approx. 1 kg