SPM 42011 Instructions

Instructions
Transducer and transformer for potentially explosive atmosphere
Description
The coupling transformer connects the transducer to mea-
suring instrument. The transformer provide galvanic isolation
and a diode safety barrier between the transducer and the
instrument. The coupling transformer itself shall be installed
in unclassified area.
The Shock Pulse Transducers are also certified for use to-
gether with the portable instruments type A30/T30 with
certificate Nemko 03ATEX185. The code of the portable
instruments is Ex ib I/IIB T4 which also will be the code of
the transducers, when used together.
SAFETY
This equipment must only be installed, used and maintained
by competent personnel. Such personnel shall have under-
gone training, which included instruction on the various
types of protection and installation practices, the relevant
rules and regulations, and on the general principles of area
classification. Appropriate refresher training shall be given
on a regular basis (See EN 60079-17).
The installation, use and maintenance of this equipment
must comply with the appropriate European, national and
local regulations, which may include reference to the IEC
standards IEC60079-14, IEC60079-17 and IEC60079-19.
In addition, particular industries or end users may have
specific requirements relating to the safety (or health) and
these requirements should also be met. Instructions and
specifications issued by the manufacturer must be followed.
No maintenance is required. The equipment is not repair-
able. Do not use damaged equipment.
Specific conditions for safe use
Connection from Coupling Transformers to Shock Pulse
Transducers must be evaluated in the end-installation
whereof the allowed limits for use of cable must not be
exceeded. The following limits applies:
Ratio L/R 506µH/Ω. Co: 29nF for IIC or Co: 288nF for IIB
or 888nF for IIA.
The intrinsically safe plug (50Ω LINE) of the Coupling Trans-
former shall be isolated from metal parts which may be earth
connected and shall withstand a voltage test of 500 V AC
for one minute.
Marking and list of standards
See EC Declaration of Conformity, last page.
SPM Instrument AB • Box 504 • SE-645 25 Strängnäs • Sweden
Tel +46 152 22500 • Fax +46 152 15075 • info@spminstrument.se • www.spminstrument.com
42011, 42111, 42211
42011 L69
Art. no.
42011
42011 L69
42111
42211
14196
50
35
35
15127
Technical data are subject to change without notice. ISO 9001 certified.
© Copyright SPM 2015-06. 71529.B Rev.2.
t
Thread (t) Length
M8 75.5
M8 127.5
UNC 5/16" 75.5
M10 75.5
42
32
ø 4
42
32
ø 4