Instruction Manual

Instruction Manual
748213-S
April 2002
Rosemount Analytical Inc. A Division of Emerson Process Management Description and Specifications 1-3
Model 755R
1-8 SPECIFICATIONS
1
a. Performance
Operating Range (Standard)......... 0 to 5, 0 to 10, 0 to 25, 0 to 50, and 0 to 100% oxygen
Operating Range (Optional) .......... 0 to 1, 0 to 2.5, 0 to 5, 0 to 10, 0 to 25, 0 to 50, and 0 to 100%
oxygen
Response Time ............................. 90% of fullscale, 20 seconds
Reproducibility............................... 0.01% oxygen or ±1% of fullscale, whichever is greater
Ambient Temperature Limits ......... 32°F (0°C) to 113°F (45°C)
Zero Drift........................................ ±1% fullscale per 24 hours, provided that ambient temperature
does not change by more than 20°F (11.1°C)
±2.5% of fullscale per 24 hours with ambient temperature change
over entire range
Span Drift....................................... ±1% fullscale per 24 hours, provided that ambient temperature
does not change by more than 20°F (11.1°C)
±2.5% of fullscale per 24 hours with ambient temperature change
over entire range
b. Sample
Dryness ......................................... Sample dewpoint below 110°F (43°C), sample free of entrained
liquids.
Temperature Limits ....................... 50°F (10°C) to 150°F (65°C)
Operating Pressure ....................... Maximum: 10 psig (68.9 kPa)
....................................................... Minimum: 5 psig vacuum (34.5 kPa vacuum)
Flow Rate ...................................... 50 cc/min. to 500 cc/min.
....................................................... Recommended 250 ±20 cc/min.
Materials in Contact with Sample.. Glass, 316 stainless steel, titanium, Paliney No. 7, epoxy resin,
Viton-A, platinum, nickel, and MgF2
1
Performance specifications are measured at recorder output and are based on constant sample pressure and deviation from
set flow held to within 10% or 20 cc/min., whichever is smaller.