TeST TT AUT-MARSHALL-CBR, Руководство пользователя

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Two sockets at the rear of the machine provide connections for the Electronic Control
and read-out Unit (DSU). These are for use with electronic load and displacement
transducers (see section 9).
2 Specification
Dimensions
(l x w x h)
550 mm x 400 mm x 1230 mm
Weight 71 kg
Max. vertical clearance
(platen down crosshead up)
795 mm
Min. vertical clearance
(platen up crosshead down)
210 mm
Horizontal clearance 265 mm
Platen diameter 133.3 mm
Platen adaptor diameter 158.5
Platen travel 100 mm (nominal)
Platen speed
Variable 0.5 to 50.8 mm/min (0.020
– 2 in/min)
2.1 Items supplied with the machine

Tommy bar for removing the platen

Platen adapter - fits on the platen to locate moulds when conducting CBR tests.

Stabilising bar - used to ensure stability and location of the penetration piston during CBR
tests and the stability piston during Marshall tests.

Stability piston - used in conjunction with the stabilising bar to provide very stable loading
conditions during Marshall tests.

Extended ball nipple - for mounting the axial strain transducer when using a 100mm
triaxial cell and load ring.

Power lead with moulded socket for connecting to the mains supply.

Communications cable (RS232) for connecting the machine to a DSU readout device.
3 Installation
3.1 The machine must be installed on a bench that is both level and designed to support
the gross weight of the machine, samples and ancillary equipment.
3.2 This equipment must be earthed via its mains input cable. A separate earth terminal
screw is provided on the rear of the unit as an optional extra safety earth and for PAT
testing connection point.
3.3 The machine contains a dc motor drive unit and the manufacturer of this drive unit
gives the following service and safety advice:

Never perform high voltage resistance checks on the wiring without first
disconnecting the drive from the circuit being tested.

When replacing a drive in an application and before returning to use, it is essential
that all user defined parameters for the product’s operation are correctly installed.

This equipment contains electrostatic discharge (ESD) sensitive parts. Observe
static control precautions when handling, installing and servicing this product.
Original Instructions 6