OPERATING MANUAL
MN-SST50
ED-17-09
SPRIANO® TECHNOLOGIES
- www.spriano.it – [email protected]
a TERRANOVA® Srl brand
- www.terranova-instruments.com - VAT IT07848810151
Factory & Sales: Via Gramsci 1 – 26827 Terranova dei Passerini (LO) – Italy
Head Office: Via Rosso Medardo 16 – 20159 Milano – Italy Ph: +39 0377 919119 – Fax: +39 0377 855720
Pa
g.
41
/4
8
PHYSICAL SPECIFICATIONS
Housing:
die cast aluminum alloy EN AB-44100
finished with epoxy resin (RAL 5014). It is dust
and sand tight and protected against sea wave
effects as defined by IEC IP66. Suitable for
tropical climate operation as defined by DIN
50015.
Covers O-ring
: EPDM.
Nameplate:
stainless steel fixed on housing.
Calibration
Standard: at nominal range, direct action,
linear.
Optional: at the condition specified with the
order.
Electrical connections:
two cable entries on
electronic housing: M20x1.5 and cable gland
PG13.5 for 7 to 12mm diameter cable.
Terminal board:
2 terminals for signal wiring
up to 1.5mm² (14 AWG). Connection for
ground and cable shield.
Mounting:
see DIMENSIONAL DRAWINGS.
Net weight:
see REFERENCE TABLE.
DESIGNED, CONSTRUCTED AND TESTED TO
ASME B31.1, POWER PIPING CODE OR ASME
B31.3 PROCESS PIPING
SENSING ELEMENT
Type:
displacer and torque tube.
Displacer rating
Ranges up to 1829mm (72”): PN 250 – ANSI
1500.
Ranges up to 3048mm (120”): PN 100 – ANSI
600.
PROCESS WETTED PARTS
Process
connections:
see
ordering
information table.
Displacer cage and flanges:
Fe 35/42 or AISI
316
Displacer and internal parts:
AISI 316 / AISI
316L
Torque tube
Standard: A Hastelloy C.
Special: all in Hastelloy C / Inconel.
OPTIONS
Finned
extension
arm
:
for
working
temperature higher than 150°C up to 350°C.
Housing with radial or back mounting:
AISI
316 (IP67).
8.1
F
UNCTIONAL
S
AFETY
A
CCORDING
T
O
IEC
61508
/
IEC
61511
The assessment of the safety critical and dangerous random errors results, in case of an annual
function test and the present safety instructions are observed, in the following parameters:
Transmitter
Type
SFF
PFH
λdd + λs
λdu
SIL
SST50
>90%
9.7494 x 10
-8
8.7983 x 10
-8
9.5116 x 10
-9
3
