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     Fowler X-PRO


Portable Surface Roughness Tester

54-410-500 Portable Roughness Tester .0004' probe

54-410-600 Portable Roughness Tester .0002' probe


fowler xpro





Feature packed, compact and very economically priced, Flower's X-Pro portable surface roughness tester is the

perfect instrument for making traceable surface roughness measurements on a wide variety of surfaces including

small inside diameters.


Use the X-Pro for a variety surface roughness assessments including flat, inside/outside diameters and many

 difficult to gage test surfaces.


Robustly constructed, featuring a durable cast housing, and designed for shop or laboratory use, the X-Pro will

provide years of reliable and accurate surface finish assessment. The X-Pro is also designed to take measurements

from a variety of positions and several angles. It works on both horizontal ad vertical surfaces and can even be used

upside down.


The optional height stand holds the X-Pro both vertically and horizontally, perfect for taking easy measurements on

any suitable, working surface be it flat or round. For versatility the X-Pro operates in four probe positions - extended,

 closed, or with the probe at 90° , 180° or 270°.


height stand


The X-Pro Roughness System also has a wide variety of optional probes and fixtures. Models with a RS-232 output

for SPC & recording are available.


X-Pro Parameters & Features


● Ra - Average Roughness

● Rz - Max Roughness depth (DIN)

● Meets ANSI, ISO, DIN, & MIL Specifications

● Supports Multiple Cut-off & Traverse settings

● Convenient digital display located on top

● Easy to read 3 Digit LCD readout

● Roughness in microinches or micrometers

● Vee Base for location on round parts

● Battery Low "indicator

● Models with RS-232 Output for SPC

● Works on standard 9V Alkaline battery

● Includes fitted case, standard & probe

● Supplied with Reference Speciman

● Included Speciman Calibration Certificate


X-Pro Specifications:

Overall Dimensions:Approx. 6"x3.5"x1.7" (150mm x 88mm x 43mm)

Weight21 oz. (495g)

Measuring RangesRa-1µ: to 250µ" (.03µm to 6.35µm)

Rz*- 8µ" to 999µ" (.2µm to 25.3µm)

Display Resolution1µ" (.01µm)

AccuracyMeets ANSI-B46.1, ISO, DIN, & MIL

Max. Stylus Force1500mfg/15.0mN

Cut-off:.025/0.8/2.5mm) ANSI 2RC filter

Traverse Speed:5.08mm (0.2") per second

Digital Readout:LCD; 3 digit; "Battery Low" signal

Probe Type:Piezoelectric

Power Supply:9 Volt

BatteryBattery CapacityApprox. 3000 Readings

Operating Temp.50° to 113°F (10° to 45°C)

Storage Temp.32° to 147°F (0° to 60°C)* per Din 4768. Note that the .0002" (5µm) stylus radius must be used to measure these parameters.





724-368-8006  *  Fax 724-368-8005


fowler xpro

fowler xpro