Clark Instrument CR Series Digital Rockwell Type Hardness Testers

The CR Series are sleek and durable Rockwell Type hardness testers that were built for high volume testing with precise accuracy. Available in standard, superficial and twin models, the CR Series can accommodate many testing situations. Simple to use, you’ll come to depend on the CR Series when you require performance and efficiency in your shop, lab or factory.

Call 866-9945-5742 or email: [email protected] for more information.

Clark Instrument CR Series Digital Rockwell Type Hardness Testers Features:

Hardness conversion display for many scales
Upper and lower limits capability and OK/NG display
Plastic measurement mode comes standard
Steady load spindle mechanism for measuring spherical surfaces
Easy “zero setting with level meter and electronic sound
Automatic and manual start loading
One piece, heavy-duty cast housing enclosing all internal parts
Simple easy-to-use operation
Certified and ready to use

Clark Instrument CR Series Digital Rockwell Type Hardness Testers Technical Specifications:

Minor Load Position Setting: Automatic setting (LED level meter and electronic sound monitoring.)
Load Control: Automatic (application-holding-release)
Dwell Time: 1-99 sec (key entry in units of seconds)
Plastic Measurement: Standard function (one-touch selection), time up to hardness value display after release: 1 to 99 sec
Hardness Conversion: Hardness conversion capable in compliance with SAE (J-417b), ASTM (E-140), and JIS
OK/NG Criteria: Upper and lower limits setting, and OK/NG display (HR 0 to 130, min. 0.1 hardness setting)
Output Signal: RS232C (Baud rate: 300~19200, Factory setting/1200 bps) & CENTRONICS
RS-232 Output & Printout Modes:
1 – Measurement data only
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)

CR-1e/CR-1

Minor Load: 10 kgf (98.07 N)
Test Load: 60 – 100 – 150 kgf 588.4 – 980.7 – 1471 N
Scale Display: C,D,A,G,B,F,K,E,H,P,M,L,V,S,R
Max. Specimen Height: 7.5″ (190mm) / 11.5″ (292mm)
Max. Specimen Depth: 6″ (152mm)
Dimensions: 190 x 443 x 675mm
Accuracy Conforms to ASTM-E-18
Weight: Aprx. 160 Lbs
Power Supply: Single phase 115ACV / AC 100~240V 50/60HZ

CR-2e/CR-2

Minor Load: 3 kgf (29.42 N)
Test Load: 15 – 30 – 45 kgf 147.1 – 294.2 – 441.3 N
Scale Display: 15N, 30N, 45N, 15T, 30T, 45T,15W, 30W, 45W,15X, 30X, 45X, 15Y, 30Y, 45Y
Max. Specimen Height: 7.5″ (190mm) / 11.5″ (292mm)
Max. Specimen Depth: 6″ (152mm)
Dimensions: 190 x 443 x 675mm
Accuracy Conforms to ASTM-E-18
Weight: Aprx. 160 Lbs
Power Supply: Single phase 115ACV / AC 100~240V 50/60HZ

Download the Clark Instrument CR Series Digital Rockwell Type Hardness Testers product information using the link below:

Clark Instrument CR Series Rockwell Type Hardness Testers Digital