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Mastrad Medium Duty Tension Testers - to 25kN

Mastrad Medium Duty Fixing Testers enable engineers to confirm the holding power of anchors in most construction materials, either for the purpose of establishing safe working loads or to validate the correct installation of existing fixings. The tensile load of up to 25kN is applied to the fixing mechanically and hydraulics are used to register the load through an accurate analog gauge, making the tester very reliable.

 

The choice of 5 gauge capacities means the precision of readings can be optimised for each application. Load spreading bridges and the pyramid stool keep reaction loads away from the fixing. Fixings up to M16 may be located directly in the tester, while a variety of adaptors enable a wide range of other types and sizes to be tested.

Available as a standard kit with 1 gauge or a master kit with 2 (or more) interchangeable gauges. 

Gauge Features*

Traceable Calibration Certificate to National Physical Laboratory (NPL)
Maximum re-settable load pointer
Rubber casing protects against shocks
Shatterproof glass
Built in protection against sudden load release
Coupler system desirable for keeping tester in service when gauges are being re-calibrated (Master Kit and Export Standard Kit)

*Option - Digital electronic readout available

Applications

Proof and failure load testing of a wide variety of fixings including,

Expansion, resin and undercut anchors
Cast in sockets and channel
Roofing screws
Structural anchors for safety harness eyebolts (class A1 anchor devices to BS EN 795 and BS 7883)
Frame anchors, screw fixings, cavity fixings
Remedial wall ties (DD 140)
Safety anchorages for scaffold ties (BS 5973)
Powder actuated fastenings
Re-Bar: 6mm 8mm 10mm 12mm

Special adaptors may be required for some of these applications.
Mastrad will be pleased to advise on this.

Tester Features

0-25kN range
5 gauge capacities
0-5kN 0-10kN 0-15kN 0-20kN 0-25kN
Interchangeable gauges with quick release coupling
(Master kit and Export standard kit)
Movement indicator scale: 50mm standard, 100mm option.
Lightweight aluminium construction
Weight 2.2kg
Pulling jaw can be rotated through 360o for operation in confined spaces

Movement Indicator Scale

Enables 'first movement' to be demonstrated and gives warning of stroke limit 50mm or 100mm which must not be exceeded.
 

 Mastrad� 2000 Series Tester

Improved version of the Mastrad Medium Duty Tester, which is the industry standard for all site fixing tests. 

The 2000 series has been designed offering

Standard pulling stroke: 50mm
Optional pulling stroke: 100mm
Facility to rotate pulling jaw through 360� in relation to grip handle for improved access in confined spaces
Automatic return for pulling jaw

The increase stroke of the 2000 series tester gives the following benefits

Complete extraction of most fixings after failure in one simple operation
When fixings are tested to failure they usually need to be fully extracted from the base material. The 50mm stroke of the 2000 series means this can be done without any readjustment of the bridge legs.
The 100mm (optional) stroke version is ideal for frame anchors.
Faster set up time on multiple testing projects
Initial adjustment of the tester height relative to the fixing can now be achieved with the loading handle rather than the bridge legs
Unrivalled versatility
 
A wide range of well proven accessories enables virtually any type of fixing to be tested. Five different bridges are available to direct reaction loads into the base material and away from the fixing. 
Over fifteen general purpose and special adaptors can be used to link with the fixing. See separate accessory sheet. 
Special adaptors can be made for new applications.
Model Range and Accessories

Standard Tester Kit model 2000

Model Load Range Gauge Divisions
2000/1 0-5kN .2
2000/2 0-10kN .5
2000/3 0-15kN .5
2000/4 0-20kN 1.0
2000/5 0-25kN 1.0

Kit Includes,
Tester and Fixed gauge* with maximum load indicator, padded steel carrying case, operating instructions, traceable calibration certificate.

6 threaded adaptors: M4 M5 M6 M8 M10 M12
6 Plain Slotted Adaptors: 4.5 5.5 6.5 8.5 10.5 12.5

Shipping weight of Standard Kit: 4.5kg
*For export customers, tester fitted with a gauge coupler system and oil replenisher bottle.

Master Tester Kit Model 2000C

Kit includes,
Tester with 2 interchangeable gauges with maximum load indicator, fitted with gauge coupler system and oil replenishment bottle. Padded steel carrying case. Operating instructions. Traceable calibration certificates. 

6 threaded adaptors: M4 M5 M6 M8 M10 M12
6 plain slotted adaptors 4.5 5.5 6.5 8.5 10.5 12.5
Shipping weight of Master Kit: 5.5kg
Specify from 0-5, 0-10, 0-15, 0-20, 0-25kN gauges when ordering.

Reaction Load Spreading

To test fixings correctly, the reaction loads must be taken into the structure well away from the fixing. In brickwork, this can be achieved using either the 150 load spreading bridge, the 250 load spreading bridge, or pyramid stool. Prescribed reaction distances are given for concrete in BS 5080. 
Method of tests for structural fixings in concrete and masonry pt.1 1993 
Tensile Loads - tests to ultimate loads, while the more practical requirements of the Construction Fixings Association - guidance note: Procedure for site testing construction fixings covers proof loads as well.

Load Spreading Pyramid Stool

Off set mounting of tester gives closest edge distance 100mm
Braced tripod withstands full 25kN load
Pulling adaptor accepts all tester accessories
M16 legs offer 140mm Height adjustment
Mounting holes for tester
Large handwheels on legs for easy adjustment
Locking nuts to maintain height adjustment
50mm dia feet minimise bearing pressure
Swivel feet compensate for uneven surfaces
Support to fixing distance = 160mm, meeting the spacing requirements of BS 5080 for ultimate load testing of fixings with hole diameters up to 20mm and embedment depths up to 80mm.
The CFA Guidance Note requirements for proof test loads up to 1.5x. Manufacturers recommend tensile loads are satisfied for embedment depths up to 212mm - ie. most drilled fixings:
Height: 275 - 415mm
Width over feet: 380mm
Weight: 6.0kg

150 Load Spreading Bridge

Lightweight aluminium construction
3 adjustable legs allow 62mm height adjustment
Robust construction allows full 25kN to be applied
Mounting holes for tester
Key hole slot allows easy linkage to fixing or adaptor
Leg spacing 150mm centres
35mm dia feet minimise bearing pressure
Swivel feet compensate for uneven surfaces
Spacing of feet allows spanning of brick in masonry tests
Narrow width allows testing to within 32mm of edge if required
Meets BS 5080 spacing requirements for fixings with hole diameters up to 8mm and embedment depths up to 30mm and CFA recommendations for proof loads up to 1.5 x manufacturers recommended load for embedment depths up to 80mm
Height: 43 - 110mm
Width 75mm
Length: 170mm
Weight: 1kg

250 Load Spreading Bridge

Lightweight aluminium construction
2 adjustable legs allow 120mm height adjustment
Robust construction allows full 25kN to be applied
Mounting holes allow tester to be mounted in any of 4 orientations
Leg spacing 265mm centres
Large diameter 65mm feet to minimise reaction pressure
Independent movement of foot to protect decorative finishes
Large handwheels for easy adjustment

Meets BS 5080 spacing requirements for fixings with hole diameters up to 13mm and embedment depths up to 50mm and CFA recommendations for proof loads up to 1.5 x manufacturers recommended load for embedment depths up to 133mm.

Height: 150-270mm
Width between feet: 200mm
Weight: 3kg

 Dedicated Tester Kits are available for:

Safety harness eyebolts
Safety lifeline systems
Scaffold ring bolts
Remedial wall ties
Roofing screws
Bond testing of concrete and repair materials