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ROUGHNESS SURFACE TESTERS

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Get Precise & Accurate Surface Roughness Readings with ...

Surface Roughness Meters

The leading North American Surface Roughness Meter
Most instruments are backed with a 5 Year Warranty and Free Lifetime Technical Support.

Phase II SRG-1000 PORTABLE SURFACE ROUGHNESS TESTER

The PHASE II SRG-1000 Surface Roughness Tester is a pocket-sized economically priced instrument for measuring surface texture conforming to traceable standards. It can be used on the shop floor in any position, horizontal, vertical or anywhere in between.

The large LCD display shows either Roughness parameter Ra or Rz at the touch of a button, combined with the selected cutoff length. External calibration of the Roughness values is possible by means of a special CAL button, which makes adjustment of this instrument very easy. A beep signal informs the user about each individual measurement status when ready.

The easy to use SRG-1000 operates on various surfaces, not only flat but also outer cylinder, outer cone, grooves, and recesses greater than 80x 30mm. The areas of application are wide spread. It is suitable for inspection departments, quality control, on the shop floor during machining, during assembly, and on site.

The SRG-1000 determines both Roughness parameters Ra and Rz within a wide measuring range (see specifications below). The piezo-electric pick-up stylus with diamond tip assures a very reliable measurement within tolerances that conform to ISO class 3. Roughness parameter Ra is computed to conform to ISO and Rz is computed to conform to DIN.

Technical Specifications

Roughness parameter	Ra (ISO), Rz (DIN)
Measuring range	Ra: 0.05-10.0µm / Rz 0.1-50µm
Cut-off lengths	0.0009in, 0.03in, 0.09in
Filter	RC analogue
Tracing length	0.23in (6mm)
Tracing speed	0.04in/second (1.0mm/second)
Accuracy	Conform ISO Class 3
Pick-up stylus	Piezo-electric
Tracer tip	Diamond, radius 10µm +- 2.5µm
Operating temperature	32-104 degrees F (0-40 degrees C)
Power	3.6v / 2xNiMh batteries
Charger	9V DC
Contact force on probe	<1.8ozf (<50gf)
Static measuring force of sensor stylus	<0.06ozf (<1.6gf)
Dimensions	4.9 x 2.8 x 1.0in (125 x 73 x 26mm)
Weight	0.4lbs (200g)

The PHASE II SRG-1000 Roughness Tester comes complete with a compact durable carrying case, roughness standard, charger and instruction manual.

Model SRG-1000 Price: $1,120.31USD each. Add to cart

Phase II SRG-4000 PORTABLE SURFACE ROUGHNESS TESTER

The latest in state-of-the-art surface roughness testers, the SRG-4000 is designed with the shop environment in mind. These surface roughness testers are distinguished by a high level of accuracy, multiple parameters and simplicity of operation. Extremely sensitive and highly accurate readings from this Phase II surface roughness tester are offered via multiple surface roughness parameters, Ra, Rq(Rms), Rt and Rz.

The diamond stylus is hypersensitive and sophisticated enough to allow for a .001 (um) micron display resolution. The SRG-4000 surface roughness testers utilize an easy interface to allow for changes of in/mm (uin/um), cutoff length, sampling length, parameters, level of test(stylus position), digital filters and more! Measurement results are displayed as large characters on the LCD screen for easy recognition.

Battery powered portability allows the SRG-4000 surface roughness testers to mobilize productivity throughout the shop.

Optional accessories available for the SRG-4000 surface roughness testers include:
-2um Stylus
-Extension Rod
-Stand
-NIST certified surface roughness standard

Features:

Menu driven operating system
4 Different roughness parameters
Inside/Outside Diameters
Stylus position indicator
RS 232 output to printer/PC
Extended memory functions

Technical Specifications:
Roughness Parameters:	Ra, Rz, Rq, Rt
Assessed Profiles	Primary profile(p), Roughness profile(R) tp curve (Mr)
Conformance Standards:	ISO/DIN/JIS/ANSI
Measuring System	Metric μm, Imperial μ inch
Display Resolution	+/-20 μm = 0.001 μm +/-40 μm = 0.002 μm +/-80 μm = 0.004 μm
Display Range	Ra, Rq: 0.005 μm up to 16 μm Rz, Rt: 0.02 μm up to 160 μm
Pick Up Measuring Range:	+/- 80 μm
Sensor Specifications:	5 μm Diamond Tip Stylus
Sensor Angle:	90°
Contact Force:	4mN (0.4gf)
Display features	Stylus position sensor Battery level indicator Direct display of parameters Direct printing Auto-off with auto store
Data output	RS 232 to printer/PC
Cut-off lengths	0.25mm/0.8mm/2.5mm
Tracing length Lt	1.3mm – 17.5mm
Digital Filter	RC, PC-RC, GUASSIAN, D-P
Detector	Diamond tip radius 5 μm
Power	Li-Ion battery
Working temperature	5-40 degrees C.
Dimensions	139mm x 56mm x 48mm
Weight	450g

Model SRG-4000 Price: $1,401.56USD each. Add to cart

SRG-4000-050 Precision Stand for SRG-4000 Price: $327.19USD each. Add to cart

ACCESSORIES

Part No.	Product name	Price, $US	Buy Now
SRG4000-050	Surface Roughness Gauge Precision Support Stand	$349.00	Add to cart
SRG4000-110	Surface Roughness Gauge Stylus Extension	$250.00	Add to cart
SRG4000-140	Surface Roughness Gauge Stylus for Grooves	$499.00	Add to cart
SRG4000-150	Surface Roughness Gauge Stylus for Curved Surface	$499.00	Add to cart

Surface Roughness Tester Measurement Guide

Surface roughness, for purposes of this forum, is the result of some machining process and its effect on the material surface in question.

Skid type surface roughness testers are common instruments used on the shop floor. A diamond stylus is traversed across the specimen and a piezoelectric pickup records all vertical movement. Peaks and valleys are recorded and converted into a known value of a given parameter.

Parameters differ in how they approach looking at peaks and valleys. The most popular parameter is “Ra”. Ra is commonly defined as the arithmetic average roughness. While the Ra parameter is easy and efficient, there are other parameters that can be more specific and useful depending on the application requirements. It is the parameters that enable us to define surface roughness.

Today, for the purpose of checking Ra values, the use of portable, hand held, surface roughness testers are not only economical, but are digital and easy to use. These surface roughness testers are a given necessity for any shop floor that receives work with Ra requirements.

Click for Portable Hardness Testers

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