World Class 3000

Instruction Manual

IB-106-300NH Rev. 4.2 July 2002

255 Brimley Road Scarborough, Ontario, Canada 416/266-3161

SCOTT ENVIRONMENTAL TECHNOLOGY, INC. SCOTT SPECIALTY GASES

2600 Cajon Blvd.

San Bernardino, CA 92411 714/887-2571

TWX: 910-390-1159

1290 Combermere Street Troy, MI 48084 314/589-2950

Route 611 Plumsteadville, PA 18949 215/766-8861

TWX: 510-665-9344

2616 South Loop, West Suite 100

Houston, TX 77054 713/669-0469

2If gas bottles will be perma- nently hooked up to the probe, a manual block valve is required at the probe (be- tween the calibration fitting and the gas line) to prevent the migration of process gases down the calibration gas line.

If an MPS 3000 Multiprobe Gas Sequencer is used, a check valve is required at the probe.

3Two, 2-stage pressure regu- lators with stainless steel dia- phragms for tanks. Maximum output required: 20 psi (138 kPa).

4One instrument air pressure regulator: 20 psi (138 kPa)

maximum and a supply of clean, dry instrument air.

5 Two zero-leakage shutoff

valves.

 

6 Miscellaneous oil-free tubing

 

and fittings.

 

(b) Calibration

 

1 A typical calibration setup is

 

shown in Figure 4-1.Care

 

must be taken that all fittings

 

are tight and free from oil or

 

other organic contaminants.

4

Small openings can cause

 

back diffusion of oxygen from the atmosphere even though positive pressures are main- tained in the lines.

NOTE

The probe calibration gas fitting has a seal cap which must be in place at all times except during calibration.

In addition to the precision calibration gas mixtures, clean, dry, oil-free instrument air should be used for calibration.

For optimum accuracy, this calibration should be run with the process at normal temperature and operating conditions.

When the calibration gas line exceeds 6 ft (1.8 m) in length from the leak tight valves, check valve, Rosemount P/N 6292A97H02, should be in- stalled next to the calibration gas connection on the probe to prevent breathing of the line with the process gas and subsequent gas condensation and corrosion.

Rosemount Analytical Inc. A Division of Emerson Process Management

Calibration 4-3

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Emerson Process Management 3000 instruction manual Scott Environmental TECHNOLOGY, INC. Scott Specialty Gases

3000 specifications

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