Pace Technologies Rockwell OMEGA-RT-60/150 User manual

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3601 E. 34th St. Tucson, AZ 85713 USA Tel. [phone] Fax [phone] email: [e-mail] Web: http://www.metallographic.com
Please read this instruction manual carefully and follow all installation, operating and safety guidelines.
OMEGA-RT-60/150 Rockwell Hardness Tester
Equipment
Type:
Rockwell Hardness
Tester
Model: OMEGA-RT-60/150
Electrical
Requirements
:
110 or 220 Volts
(single-phase)
Frequency: 50/60 Hz
Manual
Revision
Date:
November 25, 2011

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3601 E. 34th St. Tucson, AZ 85713 USA Tel. [phone] Fax [phone] email: [e-mail] Web: http://www.metallographic.com
Please read this instruction manual carefully and follow all installation, operating and safety guidelines.
OMEGA-RT-60/150 Rockwell Hardness Tester
Contents
PAGE
Warranty ii
1.0 Product Description 1
2.0 Unpacking, Shipping and Installation 3
3.0 Safety Guidelines 15
4.0 Operation 16
5.0 Maintenance 19
6.0 Trouble Shooting 20
7.0 Rockwell Testing Basics 21
8.0 Appendix RS232 Connector 23
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3601 E. 34th St. Tucson, AZ 85713 USA Tel. [phone] Fax [phone] email: [e-mail] Web: http://www.metallographic.com
Please read this instruction manual carefully and follow all installation, operating and safety guidelines.
OMEGA-RT-60/150 Rockwell Hardness Tester
WARRANTY
Terms and Conditions applying to all PACE Technologies Products
1. LIMITED WARRANTY AND DISCLAIMER:
PACE Technologies Products are warranted for one year from the purchase date to be free from defects in
material and workmanship under correct use, normal operating conditions, and proper application. PACE
Technologies obligation under this warranty shall be limited to the repair or exchange, at PACE Technologies
option, of any PACE Technologies Product or part which proves to be defective as provided herein. PACE
Technologies reserves the right to either inspect the product at Buyer’s location or require it to be returned to the
factory for inspection. Buyer is responsible for freight to and from factory on all warranty claims. The above
warranty does not extend to goods damaged or subjected to accident, abuse or misuse after release from PACE
Technologies warehouse, nor goods altered or repaired by anyone other than specifically authorized PACE
Technologies representatives. PACE Technologies shall not in any way be responsible for the consequences of
any alteration, modification or misuse unless previously approved in writing by an officer of PACE
Technologies.
PACE TECHNOLOGIES MAKES NO EXPRESS WARRANTIES OTHER THAN THOSE WHICH ARE
SPECIFICALLY DESCRIBED HEREIN. Any description of the goods sold hereunder, including any reference
to Buyer’s specifications and any description in catalogs, circulars and other written material published by
PACE Technologies, is the sole purpose of identifying such goods and shall not create an express warranty that
the goods shall conform to such description.
THIS WARRANTY IS EXPRESSLY IN LIEU OF ALL OTHER WARRANTIES, EXPRESSED OR
IMPLIED. THERE ARE NO IMPLIED WARRANTIES OF MECHANTABILITY OR FITNESS FOR
PARTICULAR PURPOSE. THIS WARRANTY STATES PACE TECHNOLOGIES ENTIRE AND
EXCLUSIVE LIABILITY AND BUYER’S EXCLUSIVE REMEDY FOR ANY CLAIM FOR DAMAGES IN
CONNECTIONS WITH PACE TECHNOLOGIES PRODUCTS. PACE TECHNOLOGIES WILL IN NO
EVENT BE LIABLE FOR INCIDENTAL OR CONSEQUENTIAL DAMAGES WHATSOEVER, NOR FOR
ANY SUM IN EXCESS OF THE PURCHASE PRICE.
2. LIABILITY CAP:
PACE Technologies maximum aggregate liability for loss and damage arising under, resulting from or in
connection with the supply or use of the Equipment and Consumables provided under this purchase, or from the
performance or breach of any obligation (s) imposed hereunder, whether such liability arises from any one or
more claims or actions for breach of contract, tort, (including negligence), delayed completion, warranty,
indemnity, strict liability or otherwise, unless otherwise limited by the terms hereof, shall be limited to one
hundred percent (100%) of the purchase price.
3. DELIVERY:
Customer assumes and shall bear the risk of all loss or damage to the Products from every cause whatsoever,
whether or not insured, and title to such Products shall pass to Customer upon PACE Technologies delivery of
the Products to the common carrier of Pace Technologies choice, or the carrier specified in writing by Customer,
for shipment to Customer. Any claims for breakage, loss, delay, or damage shall be made to the carrier by the
Customer and Pace Technologies will render customer reasonable assistance in prosecuting such claims.
4. ACCEPTANCE:
Customer shall inspect the Products promptly upon receipt of delivery. Unless customer objects in writing
within thirty (30) business days thereafter, customer shall be deemed to have accepted the Products. All claims
for damages, errors, or shortage in Products delivered shall be made by Customer in writing within such
ii

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3601 E. 34th St. Tucson, AZ 85713 USA Tel. [phone] Fax [phone] email: [e-mail] Web: http://www.metallographic.com
Please read this instruction manual carefully and follow all installation, operating and safety guidelines.
OMEGA-RT-60/150 Rockwell Hardness Tester
five (5) business day period. Failure to make any claim timely shall constitute acceptance of the Products.
5. PAYMENT:
Customer agrees to provide timely payment for the Products in accordance with the terms of payment set forth
on the reverse side hereof or in any proposal submitted herewith. If any payment is not paid on or before its
due date, Customer shall pay interest on such late payment from the due date until paid at the lesser of 12% per
annum or the maximum rate allowed by law.
6. DEFAULT:
If Buyer is in default (including, but not limited to, the failure by Buyer to pay all amounts due and payable to
Seller) under the work or purchase order or any other agreement between Buyer and Seller, Buyer’s rights
under the warranty shall be suspended during any period of such default and the original warranty period will
not be extended beyond its original expiration date despite such suspension of warranty rights.
7. MISCELLANEOUS PROVISIONS:
This agreement has been made in and shall be governed by the laws of the State of Arizona. These terms and
conditions and the description of the Products on the reverse side hereof or in any proposal submitted herewith
constitute the entire agreement and understanding of the parties with respect to this sale and supersede all prior
and contemporaneous agreements or understandings, inducements or representations, expressed or implied,
written or oral, between the parties with respect hereto. Any term or provision of this Agreement may be
amended, and any observance of any term of this Agreement may be waived, only by a writing signed by the
party to be bounds. The waiver by a party of any breach shall not be deemed to constitute a waiver of any
other breach. Should suit be brought on this Agreement, the prevailing party shall be entitled to recover its
reasonable attorneys’ fees and other costs of suit including costs and attorneys’ fees incurred on appeal or in
collection of any judgment.
iii

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3601 E. 34th St. Tucson, AZ 85713 USA Tel. [phone] Fax [phone] email: [e-mail] Web: http://www.metallographic.com
Please read this instruction manual carefully and follow all installation, operating and safety guidelines.
OMEGA-RT-60/150 Rockwell Hardness Tester
1.0 Product Description
1.1 General Description
1
The OMEGA-RT-60/150 Rockwell hardness tester is designed to evaluate metallographic
specimen hardness.
The OMEGA-RT-60/150 Rockwell hardness tester has a load ranging from 60 kg to 150 kg.
1. LED screen
2. Operating keys
3. Indenter fastening screw
4. Indenter
5. Anvil
6. Up and Down lead screw
7. Screw adjustment wheel
8. Upper cover
9. Back cover
10. Printer
11. Weight adjustment knob
12. Power switch
13. Power cord
14. RS232 connector
15. Leveling feet

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3601 E. 34th St. Tucson, AZ 85713 USA Tel. [phone] Fax [phone] email: [e-mail] Web: http://www.metallographic.com
Please read this instruction manual carefully and follow all installation, operating and safety guidelines.
OMEGA-RT-60/150 Rockwell Hardness Tester
1.2 Technical Specifications
Electrical specifications: 110 or 220V single-phase
(50/60 Hz)
Test forces: Rockwell
60 kg
100 kg
150 kg
Dwell time of test force: 2-60 seconds
Max. height of specimen: 175 mm (7-inches)
Distance from indentation:
center to frame
165 mm (6.5-inches)
Weight: Approx. 175 lbs (80 kg)
Dimensions (WxHxD): Approx. 21” x 8.5” x 30.5”
(525 mm x 210 mm x 770 mm)
Working temperature: 70° - 85°F (23 - 28°C)
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3601 E. 34th St. Tucson, AZ 85713 USA Tel. [phone] Fax [phone] email: [e-mail] Web: http://www.metallographic.com
Please read this instruction manual carefully and follow all installation, operating and safety guidelines.
OMEGA-RT-60/150 Rockwell Hardness Tester
2.0 Unpacking, Shipping and Installation
2.1 Unpacking Unit is delivered in a box. Unpack and check for completeness of
parts.
Measures WxHxD: 26”x15”x36” (660x380x915 mm)
Weight: Approximately 200 lbs (90 kg)
2.2 Shipping When moving box, lift from bottom.
! Caution: Heavy equipment. Take care to avoid bodily
injury.
3

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3601 E. 34th St. Tucson, AZ 85713 USA Tel. [phone] Fax [phone] email: [e-mail] Web: http://www.metallographic.com
Please read this instruction manual carefully and follow all installation, operating and safety guidelines.
OMEGA-RT-60/150 Rockwell Hardness Tester
!
Install unit carefully! Improper installation voids warranty.
The OMEGA-RT-60/150 should be placed on a flat stable vibration free surface. If high
samples are to be tested so that the up / down lead screw is lowered significantly, a hole
will need to be made in the table (see drawing for specifications - mm)
2.3 Installation
Attach four
leveling feet
2.3.1 Install leveling feet
4

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3601 E. 34th St. Tucson, AZ 85713 USA Tel. [phone] Fax [phone] email: [e-mail] Web: http://www.metallographic.com
Please read this instruction manual carefully and follow all installation, operating and safety guidelines.
OMEGA-RT-60/150 Rockwell Hardness Tester
5
Remove rubber band
Open top and back covers
-Remove ties
2.3.2 Remove shipping securing tie downs
Remove felt pad

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3601 E. 34th St. Tucson, AZ 85713 USA Tel. [phone] Fax [phone] email: [e-mail] Web: http://www.metallographic.com
Please read this instruction manual carefully and follow all installation, operating and safety guidelines.
OMEGA-RT-60/150 Rockwell Hardness Tester
Hang weight
stack holder
onto loading
beam
2.3.3 Installing weight stack
Load weights
onto holder so
that the pegs
on the weight
are aligned
with the forks
on the holder
Test the load stack to verify that the
weights are being lifted or that they
hang freely depending on the load set
on the control knob
6

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3601 E. 34th St. Tucson, AZ 85713 USA Tel. [phone] Fax [phone] email: [e-mail] Web: http://www.metallographic.com
Please read this instruction manual carefully and follow all installation, operating and safety guidelines.
OMEGA-RT-60/150 Rockwell Hardness Tester
16. Lever
17. Hanging rod
18. Fork lifter
19. Weight C
20. Weight B
21. Weight A
22. Retaining nut
Scale Test Force (N) Graduated value on Load-
Change hand wheel
Weight
HRA 588.4 (60 kg) 588.4
(60)
Hanging rod + Weight A
HRB 980-7 (100 kg) 980-7
(100)
Hanging rod + Weight A +
Weight B
HRC 1471 (150 kg) 1471
(150)
Hanging rod + Weight A +
Weight B + Weight C
Test force for respective weights
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3601 E. 34th St. Tucson, AZ 85713 USA Tel. [phone] Fax [phone] email: [e-mail] Web: http://www.metallographic.com
Please read this instruction manual carefully and follow all installation, operating and safety guidelines.
OMEGA-RT-60/150 Rockwell Hardness Tester
Place bubble level on
stage and adjust feet
height to level the unit
2.3.4 Installing Anvil Stage
2.3.5 Leveling unit
Insert anvil into up/down
screw feed
Raise cover and
tighten thumb
screws
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3601 E. 34th St. Tucson, AZ 85713 USA Tel. [phone] Fax [phone] email: [e-mail] Web: http://www.metallographic.com
Please read this instruction manual carefully and follow all installation, operating and safety guidelines.
OMEGA-RT-60/150 Rockwell Hardness Tester
2.3.6 Inserting Indenter
Align flat end of indenter
shank with the holding
screw
After loading indenter - run a sample indent to
properly set the indenter
9

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3601 E. 34th St. Tucson, AZ 85713 USA Tel. [phone] Fax [phone] email: [e-mail] Web: http://www.metallographic.com
Please read this instruction manual carefully and follow all installation, operating and safety guidelines.
OMEGA-RT-60/150 Rockwell Hardness Tester
23. Connecting rod
24. Adjustment screw
25. Fine tuning adjustment
knob
2.3.7 Calibration
To calibrate to test blocks -
hold screw in place at (24)
and loosen nut, adjust
screw (25)
Values reading low - adjust
screw clockwise
Values reading high - adjust
screw counter-clockwise
10

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3601 E. 34th St. Tucson, AZ 85713 USA Tel. [phone] Fax [phone] email: [e-mail] Web: http://www.metallographic.com
Please read this instruction manual carefully and follow all installation, operating and safety guidelines.
OMEGA-RT-60/150 Rockwell Hardness Tester
Scales Hardness Range of the Standard
Hardness Blocks
Max. Tolerance of
Displaying Value
HRA (20～75)HRA ±2HRA
(＞75～88)HRA ±1.5HRA
HRB
(20～45)HRB ±4HRB
(＞45～80)HRB ±3HRB
(＞80～100)HRB ±2HRB
HRC (20～70)HRC ±1.5HRC
HRD
(40～70)HRD ±2HRD
(＞70～77)HRD ±1.5HRD
(＞90～100)HRE ±2HRE
HRF (60～90)HRF ±3HRF
(＞90～100)HRF ±2HRF
HRG
(30～50)HRG ±6HRG
(＞50～75)HRG ±4.5HRG
(＞75～94)HRG ±3HRG
HRH (80～100)HRH ±2HRH
HRK
(40～60)HRK ±4HRK
(＞60～80)HRK ±3HRK
(＞80～100)HRK ±2HRK
HRE (70～90)HRE ±2.5HRE
HRL (100～120)HRL ±1.2HRL
HRM (85～110)HRM ±1.5HRM
HRR (114～125)HRR ±1.2HRR
11

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3601 E. 34th St. Tucson, AZ 85713 USA Tel. [phone] Fax [phone] email: [e-mail] Web: http://www.metallographic.com
Please read this instruction manual carefully and follow all installation, operating and safety guidelines.
OMEGA-RT-60/150 Rockwell Hardness Tester
2.3.8 Key Pad Functions
REVI
Review Key to change the scale,
conversion, dwell, date and force
units.
12

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3601 E. 34th St. Tucson, AZ 85713 USA Tel. [phone] Fax [phone] email: [e-mail] Web: http://www.metallographic.com
Please read this instruction manual carefully and follow all installation, operating and safety guidelines.
OMEGA-RT-60/150 Rockwell Hardness Tester
CLR
DEL
PRT
DISP
OK
Zero’s value
Delete the present measured hardness value
Prints hardness value, average value, range, number of tests, date
Display Key - Displays hardness, range, time , up to 12 values
Confirmation Key - Press to enter data
Up and Down cursor control
Left and Right cursor control
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3601 E. 34th St. Tucson, AZ 85713 USA Tel. [phone] Fax [phone] email: [e-mail] Web: http://www.metallographic.com
Please read this instruction manual carefully and follow all installation, operating and safety guidelines.
OMEGA-RT-60/150 Rockwell Hardness Tester
Average
Hardness value
Max. hardness
value
Min. hardness
value
Max and Min.
Range
2.3.8.2 Display Screen
Hardness value
Conversion
Hardness value
Indenter type
Test Force
Time
Date
Test number
Dwell time at
full force
2.3.8.1 Main Screen
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3601 E. 34th St. Tucson, AZ 85713 USA Tel. [phone] Fax [phone] email: [e-mail] Web: http://www.metallographic.com
Please read this instruction manual carefully and follow all installation, operating and safety guidelines.
OMEGA-RT-60/150 Rockwell Hardness Tester
3.0 Safety Guidelines
3.1 Warning Sign
!This sign points to special safety features on the machine.
Always follow proper operational guidelines and avoid contact with lubricants and abrasives.
3.3 Emergency Statement
!Operate unit as specified in this manual.
!Disconnect power before opening unit.
!Lower stage to avoid damaging indenter or lens when not in use.
!Cover unit with dust cover when not in use to eliminate dust contamination.
3.2 Safety Precautions
!Careful attention to this instruction manual and the recommended safety guidelines is
essential for the safe operation of the OMEGA-RT-60/150.
!Proper operator training is required for operation of the OMEGA-RT-60/150. Any
unauthorized mechanical and electrical change, as well as improper operation, voids all
warranty claims. All service issues need to be reported to the manufacturer / supplier.
15

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3601 E. 34th St. Tucson, AZ 85713 USA Tel. [phone] Fax [phone] email: [e-mail] Web: http://www.metallographic.com
Please read this instruction manual carefully and follow all installation, operating and safety guidelines.
OMEGA-RT-60/150 Rockwell Hardness Tester
4.0 Operation
STEPS FOR OMEGA-RT-60/150 OPERATION IN BRIEF
(Please see explanation of important points on next pages before proceeding)
PRECAUTIONS
1. Mount the sample so it is flat on the stage. For non-parallel mounts a leveling vice is
recommended (optional)
-Sample should be clean
-Minimum thickness should be 10X the depth of the indentation
-Do not test samples in a metallographic mounts
-Sample must be secured so it does not move during loading, otherwise the indenter can
be damaged
2. Turn on the OMEGA-RT-60/150
3. Select appropriate load and indenter (see following table).
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