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10 

 

 © 2013 Proceq SA

5.4 Rating table for Schmidt OS-120PM

The mortar joints can be classified using the rating table below.

         Classification

Excellent

Very good

Good

Reasonable

Average

Poor

10

20

30

40

50

60

70

80

90

100

Rebound value R

The customer is free to create his own mortar specific rating table.

6.  Technical data

Schmidt OS-120PT

Schmidt OS-120PM

Measuring range

See chapter 4.4

See chapter 5.4

Impact energy

0.833 Nm (0.614 ft lbf)

Hammer mass

720 g (1.59 lb)

665 g (1.47 lb)

Hammer head diameter

40 mm (1.57“)

8.0 mm (0.315“)

Weight

3.45 kg (7.60 lb)

Dimensions of housing

230 x 60 x 200 mm (9.06“ x 2.36“ x 7.87“)

Operating temperature

-10 bis 50°C (32 bis 122°F)

Storage temperature

-10 bis 70°C (14 bis 158°F)

7.  Standards and Guidelines

7.1 Standards

The rebound number is determined on the basis of the following standards: EN12504-2 (Europe), 
ASTM C 805 (North America), JGJ/T 23-2011 (China). Applies to Schmidt OS-120PT only.
For the creation of user defined conversion curves, we recommend the procedures described in EN 
13791 (Europe), ASTM C805, ACI 228.1R (North America), JGJ T23-2011 (China), see chapter 4.4. 
Applies to Schmidt OS-120PT only.

7.2 Guidelines

Austrian Guideline for tunnel lining, published December 2012. Austrian Construction Association. 
(To determine the time for formwork removal during tunnel construction). Applies to Schmidt OS-
120PT. 
TNO Report BI -88-009/61.8.2060-VOE from IBBC Delft Netherlands (Mortar joint testing). Applies 
to Schmidt OS-120PM.

Содержание SCHMIDT OS-120

Страница 1: ...SCHMIDT OS 120 CONCRETE TEST HAMMER OPERATING INSTRUCTIONS Made in switzerland www proceq com...

Страница 2: ......

Страница 3: ...heck 4 4 2 Preparations 5 4 3 Measuring 5 4 4 Conversion curves for Schmidt OS 120PT 6 5 Measuring and evaluation with the Schmidt OS 120PM 8 5 1 Functional check 8 5 2 Preparations 8 5 3 Measuring 9...

Страница 4: ...uthorized structural modifications to the instrument and its components Serious damage resulting from the effects of foreign bodies accidents vandalism and force majeure All information contained in t...

Страница 5: ...s makes the instrument very suitable for testing fresh concrete to determine the time for formwork removal OS 120PM for testing the mortar joints in brick constructions 3 Schmidt OS 120 Layout 1 Housi...

Страница 6: ...after each usage of the hammer As a minimum it should be carried out after 1 000 impacts or once every three months Place the test anvil on a hard smooth surface e g stone floor Clean the contact sur...

Страница 7: ...d to the desired position V for testing on vertical surfaces or H for testing on horizontal surfaces 4 3 Measuring Grip the OS 120PT by the handle on the housing 1 Exert a light pressure against the t...

Страница 8: ...PT into the neutral position i e set the Schmidt OS 120PT on a horizon tal surface e g leave it on the anvil after the control check set the control knob 6 to position V depress the reset lever 2 to b...

Страница 9: ...15x2 0 0615x 0 3585 Vertical impact direction N mm2 y 0 8337 0 0009x2 0 0808x 0 5081 fc Cylinder 150 300 fc N mm2 R 0 100 200 300 400 500 600 700 800 900 0 5 10 15 20 25 30 35 40 45 50 OS 120 PT Conve...

Страница 10: ...tion in the document delivered with the instrument or on the Proceq website 5 Measuring and evaluation with the Schmidt OS 120PM The OS 120PM is used to test the mortar of joints in masonry constructi...

Страница 11: ...ing the trigger button 4 Read the rebound value from the scale 5 Repeat the procedure as many times as the standard you are working to requires For example EN 12504 2 requires a minimum of 9 rebound v...

Страница 12: ...rature 10 bis 50 C 32 bis 122 F Storage temperature 10 bis 70 C 14 bis 158 F 7 Standards and Guidelines 7 1 Standards The rebound number is determined on the basis of the following standards EN12504 2...

Страница 13: ...ce Maintenance includes a regular check of the instrument and cleaning of the breaking strip as de scribed in chapter 4 1 To guarantee consistent reliable and accurate measurements the instrument shou...

Страница 14: ...12 2013 Proceq SA...

Страница 15: ...2013 Proceq SA 13 Notes...

Страница 16: ...m Proceq Rus LLC Ul Optikov 4 Korp 2 Lit A Office 412 197374 St Petersburg Russland Telefon Fax 7 812 448 35 00 info russia proceq com Proceq Middle East P O Box 8365 SAIF Zone Sharjah Vereinigte Arab...

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