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About this guide
This guide gives the basic information necessary to install a Land System 4 Fibroptic
thermometer and get it working. More detailed information is contained in the 'User Guide'.
Information regarding the repair and calibration of the thermometer is contained in the 'Service
Manual'.
It is important to check the equipment with which you have been supplied to ensure that all
ordered items and accessories have been delivered.
NOTES
If the thermometer is to be used in an area of ambient temperature higher
than that specified as safe for the thermometer, then the thermometer
must be housed in a special cooling jacket available from Land Instruments
International.
If the thermometer is to be used in an area where the atmosphere contains
a high proportion of dust/smoke/steam etc, then the optic head must be
used in conjunction with a special air purge to keep the lens clean. The
air purge is available from Land Instruments International.
To prevent any possibility of water ingress into the electronics/detector
module, the thermometer must be orientated as shown in the 'Installation
Dimensions' diagram.
For more information on cooling jackets and air purges, refer to the
Installation Guides supplied with those products.
Installation Dimensions
114/4.49
Minimum bend
radius 50/1.97
Light guide length
L10/Q10 = 1000/39.37
L20/Q20 = 2000/78.74
L35/Q35 = 3500/137.80
Installation Accessories
For installation in hostile environments, the Land System 4 Protection Jacket is designed for
use with the thermometer and there is a range of Air Purges & Mounting accessories available
for use with the optic head.
Mounting pad - 2 holes ¼" BSW
7/0.3 deep on 25/ 1.0 centres
Recommended orientation of
thermometer to prevent
ingress
of water, and build up of dirt etc.
on electrical and lightguide
connectors
Approx. 160/6.30
required for optic head removal
All dimensions in millimetres/inches
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