CRX Rockwell-Type Hardness Tester

Precision accuracy, repeatability and performance for all applications.

Clark Instrument

CRX Rockwell-Type Hardness Tester

The CRX Series Rockwell Type Hardness Tester is extremely reliable, built for high volume testing with precise accuracy. Available in standard, superficial and twin models, the CRX can accommodate many testing requirements. Simple to use, you can depend on the CRX Series for its performance and efficiency.

Special Features

  • Capable of 30 different Rockwell-type scales (Regular and Superficial)
  • Ball bearing guided spindle mechanism\
  • Automatic and manual load starting
  • Easy β€œzero” setting with audio alert
  • Hardness conversion display for many scales
  • Upper and lower limits capability with OK/NG display
  • Easy to read LED panel display
  • Plastic measurement mode comes standard
  • One piece, heavy-duty cast housing
  • Conforms to tolerances per ASTM & ISO 17025 Standards
Accessories

ITEM

CRX-1e/CRX-1

CRX-2e/CRX-2

CRX-3e/CRX-3

MINOR LOAD10 kgf (98.07 N)3 kgf (29.42 N)3 kgf (29.42 N) / 10 kgf (98.07 N)
TEST LOAD60 – 100 – 150 kgf
588.4 – 980.7 – 1471 N
15 – 30 – 45 kgf
147.1 – 294.2 – 441.3 N
15 – 30 – 45 kgf
147.1 – 294.2 – 441.3 N
60 – 100 – 150 kgf
588.4 – 980.7 – 1471 N
MINOR LOAD POSITION SETTINGAutomatic setting (electronic sound monitoring.)
LOAD CONTROLAutomatic (loading, holding, removing method)
DWELL TIME1-999 sec (key entry in units of seconds)
PLASTIC MEASUREMENTStandard function (one-touch selection), time up to hardness value display after release: 1 to 999 sec
HARDNESS CONVERSIONHardness conversion capable in compliance with ASTM (E-140)
HI / LO CRITERIAUpper and lower limit settings and HI / OK / LO display (HR 0 to 130, min. 0.1 hardness increment)
SCALE DISPLAY

C,D,A,G
B,F,K,E
H,P,M,L
V,S,R
15N, 30N, 45N,
15T, 30T, 45T,
15W, 30W, 45W,
15X, 30X, 45X
15Y, 30Y, 45Y
C, D, A, G, B, F, K, E,
H, P, M, L, V, S, R,
15N, 30N, 45N
15T, 30T, 45T
15W, 30W, 45W,
15X, 30X, 45X
15Y, 30Y, 45Y
OUTPUT SIGNALRS232C (Baud rate: 9600 bps)
RS-232 OUTPUT &
PRINTOUT MODES
1 - Measurement data only PRINTOUT MODES
2 - Measurement data and evaluation results (max.value, min. value & OK/NG)
3 - Measurement data and conversion data
4 - Measurement data, conversion data and evaluation results (max. value, min. value & OK/NG)
5 - Measurement data and average value
6 - Maximum depth of indenter and measurement data
ACCURACYConforms to tolerances per ASTM E18 / E140 / D785 / ISO 6505-2 / ISO 6508-2
MAX. SPECIMEN HEIGHT10” (255mm) / 17” (435mm)10” (255mm) / 17” (435mm)8.5” (225mm) / 15” (405mm)
MAX. SPECIMEN DEPTH6.5" (165mm)6.5" (165mm)6.5" (165mm)
DIMENSIONSW 7.7" (196mm) x D 19.2" (487mm) x H 32.3" / 38" (820mm / 965mm)
WEIGHTAprx. 190 Lbs (87 kg)Aprx. 190 Lbs (87 kg)Aprx. 200 Lbs (99 kg)
POWER SUPPLY120 VAC 1Ø 2A / (AC 100~240V) Please Specify
STANDARD ACCESSORIES
Hardness Standard (HRC)1--1
Hardness Standard (HRB)1--1
Hardness Standard (HR30N)--11
Hardness Standard (HR30T)--11
Diamond Indenter1 β€œC”1 β€œN”1 β€œC” & β€œN”
1/16” Carbide Ball Indenter111
1/16” Carbide Balls Indenter444
Anvil - 2 1/2" (60mm) Flat111
Anvil - 1 1/2" V-Shape (40mm)111
Machine Cover, Accessory Box, Manual, Leveling Leg Set, Conversion Chart