Model 755A

Instruction Manual

245364-V May 2002

c. Electrical

 

 

Supply Voltage and Frequency

 

 

Standard ................................

115 VAC ±10 VAC, 50/60 Hz

 

Optional .................................

230 VAC ±10 VAC, 50/60 Hz

 

Power Consumption

 

 

Maximum ...............................

300 watts

 

Nominal..................................

75 watts

 

Output

 

 

Standard ................................

Field selectable voltage output of 0 to 10mV, 0 to 100mV, 0 to 1V,

 

or 0 to 5VDC

 

Optional .................................

Isolated current output of 0 to 20mA or

4 to 20mA (with Current

 

Output Board)

 

Alarm Option..................................

High-Low Alarm

 

Contact Ratings .....................

5 amperes, 240V AC, resistive load

 

 

5 amperes, 120V AC, resistive load

 

 

5 amperes, 28V DC, resistive load

 

Setpoint .........................................

Adjustable from 1% to 20% of fullscale

 

Deadband ......................................

Adjustable from 1% to 20% of fullscale

(Factory set at 10% of

 

fullscale)

 

d. Physical

 

Mounting

 

Standard ................................

Panel mount

Optional .................................

Surface or stanchion mount accessory available

Enclosure Classification ................

Meets requirements for NEMA 3R

Air Purge Option1...................

NFPA 496 (1989) Type Z purge

Weight ...........................................

Approximately 32.5 lbs (14.74 Kg)

Dimensions....................................

Height: 13.5 (343 mm)

 

Width: 11.5 (294 mm)

 

Depth: 7.12 (181 mm)

1When installed with user supplied components, meets requirements for Class I, Division 2 locations per National Electrical Code (ANSI/NFPA 70) for analyzers sampling nonflammable gases. Analyzers sampling flammable gases must be pro- tected by a continuous dilution purge system in accordance with Standard ANSI/NFPA 496-1986, Chapter 8. Consult factory for recommendations.

Rosemount Analytical Inc. A Division of Emerson Process Management

Description and Specifications

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