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RHL50 LCD Display Backlight Portable Rockwell Hardness Tester

China HUATEC  GROUP  CORPORATION certification
China HUATEC  GROUP  CORPORATION certification
wide range of NDT products, we can get all in huatec group. We prefer to buy from them. Rudolf Shteinman Russia

—— Rudolf Shteinman

I like the service, very quick response, professional work. Aret Turkey

—— Aret Kaya

huatec hardness tester, very good quality,we are very satisfied with the portable hardness tester RHL-50. Kumaren Govender Sotuth Africa

—— Kumaren Govender

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RHL50 LCD Display Backlight Portable Rockwell Hardness Tester


Large Image :  RHL50 LCD Display Backlight Portable Rockwell Hardness Tester

Product Details:

Place of Origin: China
Brand Name: HUATEC
Certification: ISO, CE, GOST
Model Number: RHL-50

Payment & Shipping Terms:

Minimum Order Quantity: 1
Packaging Details: Standard export package
Delivery Time: 1-4working days
Payment Terms: T/T, Western Union,Paypal
Supply Ability: 500Pcs
Detailed Product Description
Hardness Scale: HL, HB, HRB, HRC, HRA, HV, HS Memory: 48~600 Groups (impact Times: 32~1)
Measuring Range: HLD(170~960)See Below Table 1 And Table 2 Weight: 0.3kg (main Unit)
Overall Dimensions: 152×84×34mm (main Unit) Relative Humidity: ≤90%
High Light:

LCD display Portable Rockwell Hardness Tester


Backlight Portable Rockwell Hardness Tester


LCD rockwell test for hardness

Portable Hardness Tester RHL50 rockwell hardness tester






LCD display of 128×64 matrix with backlight, showing all functions and parameters. Converts to all common hardness scales (HV,HB,HRC,HRB,HRA,HS). English displaying and easy and convenient menu operation. Powerful PC Software available and USB 2.0 interface. 7 types of Impact Device optional, which don't need to be recalibrated when changing them. Memory of 600 groups data(impact times:32~1). Lower limit setting and sound alarm. Material of “cast steel” is added; HB values can be read out directly when D/DC impact device is used to measure “cast steel” work piece. Printer be separated from main unit and copies of testing results can be printed as required. In-built Smart Li lon rechargeable battery while USB connected and charging controlling circuit. Inbuilt function of Software Calibration. Two ways of switching off by key and automatically


RHL50 LCD Display Backlight Portable Rockwell Hardness Tester 0



Hardness scale  HL, HB, HRB, HRC, HRA, HV, HS

Memory 48~600 groups (impact times: 32~1)

Measuring range HLD(170~960)See below table 1 and table 2

Accuracy ±6HLD (760±30HLD) error of displayed value

                6HLD (760±30HLD) repeatability of displayed value

Standard Impact Device D

Optional Impact Devices DC/D+15/G/C/DL

Max. Work piece Hardness 996HV(For Impact Devices D/DC/DL/D+15/C)

                                            646HB(For Impact Device G)

Min. Radius of Work piece (convex/concave) Rmin = 50mm (with special support ring Rmin= 10mm)

Min. Workpiece weight 2~5kg on stable support

                                     0.05~2kg with compact coupling

Min. Workpiece thickness 5mm (Impact Devices D/DC/DL/D+15)

                                         1mm (Impact Device C)

                                         10mm (Impact Device G)

Min. thickness of hardened surface 0.8mm

Power Rechargeable Li lon battery 3.7V/600mA, 4 years life time

Continuous Working time approx. 100 h (no back light off)

Charging time 2-3.5 h

Operating temperature 0~40℃

Relative humidity ≤90%

Overall dimensions 152×84×34mm (main unit)

Weight 0.3kg (main unit)


Main Application


The assembled machinery and permanently installed parts

Die cavity of molds

Heavy work piece

Failure analysis of pressure vessel, steam turbo-generator set and other equipment

Narrow testing space where work piece installed

Bearings and other parts

Cases which require the test result with normalized original recording

Material identification of the metal material warehouse

Quick tests of large range and multipoint measuring positions for heavy workpiece


Standard delivery


●Main unit

●Impact Device type D

●Test block with HLD value


●Nylon brush

●Small supporting ring

●Data View Software

●USB&RS232 Communication cable

●Calibration Certificate

●Instruction manual

●Warranty card

●Carrying case


Optional accessories


●Optional Impact Devices DC/D+15/G/C/DL

●Normal and special type support rings (14pcs)

●Other test block (High, medium and low value))


●Impact body

●Impact ball tip

●Tools for changing the ball tip


Material Method Impact device
D/DC D+15 C G E DL

Steel and cast steel


HRC 20~68.5 19.3~67.9 20.0~69.5   22.4~70.7 20.6~68.2
HRB 38.4~99.6     47.7~99.9   37.0~99.9
HRA 59.1~85.8       61.7~88.0  
HB 127~651 80~638 80~683 90~646 83~663 81~646
HV 83~976 80~937 80~996   84~1042 80~950
HS 32.2~99.5 33.3~99.3 31.8~102.1   35.8~102.6 30.6~96.8

Cold work

tool steel

HRC 20.4~67.1 19.8~68.2 20.7~68.2   22.6~70.2  
HV 80~898 80~935 100~941   82~1009  

Stainless steel


HRB 46.5~101.7          
HB 85~655          
HV 85~802          

Grey cast iron


HB 93~334     92~326    
Nodular cast iron HRC            
HB 131~387     127~364    
Cast aluminium alloys HB 19~164   23~210 32~168    
HRB 23.8~84.6   22.7~85.0 23.8~85.5    

BRASS(copper-zinc alloys)


HB 40~173          
HRB 13.5~95.3          
BRONZE(copper-aluminium/tin alloys) HB 60~290          
Wrought copper alloys HB 45~315          













Contact Details

Contact Person: Mr. Davis Chen

Tel: +8619520504939

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