12
SPECIFICATIONS
Description Specification
Input Voltage 100 - 265 V AC 50/60 Hz or 12 - 35 V DC
Power Consumption < 3 Watt
Output
961: one 5 A DPDT relay,
962: two 5 A SPDT relays
961/962: one 5 A SPDT malfunction relay
Time delay 0,5 to 10 s adjustable (in addition to transducer response time)
Indication
LED’s for process alarm status, malfunction (error of transducer, electronics or elec-
trical noise interference) and wet/dry status of transducer (961 only)
Selftest
Automatic Continuously verifies electronics, transducer and noise interference
Manual Via pushbutton for checking alarm output(s) and error output/function.
Housing material IP66, cast aluminium, cast stainless steel or deep drawn 304 stainless steel (IP 67)
Approvals
¿
ATEX II 1/2 G Ex db IIC T6 Ga/Gb flameproof enclosure
IEC Ex db IIC T6 Ga/Gb
Overfill prevention TÜV - WHG § 63 / VLAREM II 5.17.7
Other approvals are available, consult factory for more details
SIL (Safety Integrity Level)
Functional safety to SIL 2 in accordance to IEC 61508 – SFF > 90 %.
Full FMEDA report and declaration sheets available at request.
Shock/Vibration ANSI/ISA-S71.03 Class SA1 (shock), ANSI/ISA-S71.03 Class VC2 (vibration)
Net weight
Aluminium / Deep drawn 304 SST: 1 kg (2.2 lbs) – electronics only
Cast SST: 2,5 kg (5.5 lbs) – electronics only
Description Specification
Response time 0,5 s typical
Repeatability ± 2 mm (0.078")
Ambient Temperature -40 °C to +70 °C (-40 °F to +160 °F)
Humidity 0-99 %, non-condensing
Electromagnetic Compatibility Meets CE requirements (EN 61326: 1997 + A1 + A2) and NAMUR NE 21
Electronics specifications
Performance
Transducer specification
¿
Only available with cast aluminium or cast stainless steel housings.
Description Plastic transducers Metal transducers
Material
CPVC
Kynar
®
(PVDF)
316/316L SST (1.4401/1.4404)
Hastelloy
®
C (2.4819)
Monel
®
(2.4360)
Mounting Threaded (NPT/BSP) – Flanged (ASME - EN) – Hygienic
Actuation length
From 5 cm up to 304 cm
(2" up to 120") – PVDF
From 5 cm up to 330 cm
(2" up to 130") – CPVC
From 3 cm up to 330 cm (1.2" up to 130")
Process temp. (consult temp/
press. graphs)
-40 °C to +120 °C (-40 °F to +250 °F) – PVDF
-40 °C to +80 °C (-40 °F to +180 °F) – CPVC
-40 °C to +165 °C (-40 °F to +325 °F) – standard
-80 °C to +120 °C (-110 °F to +250 °F) – low
temperature version in 316/316L SST
Max pressure (consult temp/
press. graphs)
13,8 bar @ +40 °C (200 psi @ +100 °F)
for NPT threaded units
82,8 bar (1200 psi) for Monel transducers
Consult temp/press. graphs for other
materials
Flanged models are downrated to the design pressure of the selected flange