The Starrett 3817 Automated Digital Hardness Testing System provides durable, precise
results for even the most demanding applications. Capable of measuring all Rockwell,
Rockwell Superficial, Vickers* and Brinell* Scales, it meets or exceeds all major industry
standards requirements, offering unsurpassed accuracy, reliability and overall performance.
Easy-to-use and exceptionally precise, this full-featured system offers one-touch automated testing
with minimal operator involvement. Overall, the 3817 is the ultimate hardness testing solution.

Features
•tOne-touch automated testing with minimal operator involvement
•tClosed-loop NTEP load cell technology improves repeatability and efficiency, while eliminatingt
t conventional weights method
•tPreset dwell times and automatic cylindrical correction for hardness value comply with ASTM Et
t 18 tolerances
•tHardness numbers are displayed from 1 to 1/100th point on an easy-to-use, easy-to-view,t
t digital control panel
•tBuilt-in electronic conversion charts for cross referencing hardness scales and approximatingt
t tensile strength – no mechanical or electronic adjustments required
•tMeets or exceeds new ASTM and ISO requirements, and meets Direct NIST Traceabilityt
t requirements
•tIncludes detachable clamping device, direct verification certificate for load, depth, hysteresist
t and timing, indirect verification certificate for B, C, 30N and 30T scales, operator manual,
indentor installation tool, and AC power cable.
•tRS-232C output
•tDetachable clamping device for oversized or irregular parts
•tSelf-contained head assembly adaptable for special applications

Cat. No. 3817 • EDP: 67756

•tRigid, modular base assembly
•tUpper and lower limit alarms
•tFitted tray for indentors andt
t anvils
•t2 year limited warranty
•tMade in the U.S.At
* Requires separate

tt equipment to measure
tt across indent

Technical Specifications

Standard Accessories*
Descriptiont
Hardness Tester Systemt
Diamond Indentort
1/16” (14mm) ball indentort
HRA test blockt
HRB test blockt
HRC test blockt
Master test block sett

Cat. No.t
3817t
PR38t
PB3817t
380024t
380034t
380061t
SMB38Zt

EDP
67756
67773
67774
67775
67776
67777
67778

* For other accessories, contact The L.S.Starrett Company

Bulletin No. 558

10M/S 0203

Minor loadt
Minor load – Superficalt
Major loadt
Major load – Superficalt
Test force controlt
Results displayt
Throat deptht
Maximum test heightt
Unit height/width/deptht
Weightt

10 kg
3 kg
60/100/150 kg
15/30/45 kg
Motorized
Digital readout
5 1/2”
10”
33 1/4” x 8” x 19 3/4”
185 lbs.t

978-249-3551 • www.starrett.com