Sierra FLAT-TRAKTM 780S Manuel D’Utilisation

Appendix A Specifications

Series 780S Instruction Manual

A-2

IM-78S-B

Leak Integrity

1 X 10

–4

 atm cc/sec of helium maximum

Power Requirements

18 to 30 VDC (regulated), 625 mA maximum
100 to 240 VAC , 50/60 Hz, 15 watts maximum*
*

not available on NEMA 4X enclosures

Output Signal

Linear 0-5 VDC or 0-10 VDC proportional to mass flow rate, 1000 Ohms mini-
mum load resistance, or Linear 4-20 mA proportional to mass flow rate, 700
Ohms maximum resistance (power supply dependent), optically isolated

Alarms

User-adjustable low, high or window alarms
Deadband adjustable with Smart Interface™ software
Relay rating...............Maximum 42 VAC or 42 VDC, 140 mA

Displays

Alphanumeric 2 x 12 digit backlit LCD
Adjustable variables via on-board membrane buttons or with Smart Interface™ software
Adjustable variables...............Full scale adjustment (50 to 100%)

Time response (0.1 to 7.2 seconds)
Correction factor setting (0.5 to 5)
Zero and span adjustments

Totalizer

Eight digits (99,999,999) in engineering units

Software

Smart Interface Windows™-based software, minimum 8 MB of RAM,
preferred 16 MB of RAM, RS-232 communication

Wetted Materials

316L stainless steel, Schedule 40 pipe flow body, Carbon steel flow bodies
available in some sizes

Enclosure

Hazardous-Area enclosure (IP67) and NEMA 4X (IP65) powder-coated cast aluminum

Electrical Connections

Two 3/4 inch NPT

Hazardous-Area enclosure (IP67)

One 1/2 inch NPT

NEMA 4X enclosure (IP65)

Certifications*

CE (all enclosures)
CSA (Explosion proof for Class I, Division 1, Groups B, C, D)
EEx (EEx dIIC T6...T2) Cenelec
FM (Explosion proof for Class I, Division 1, Groups B, C, D)

*Certifications pending, contact factory