Oxymitter 4000

Instruction Manual

IB-106-340 Rev. 3.0 December 2003

g.

Connect Relay Output Wiring2-5 PNEUMATIC INSTALLATION (FOR

 

Relay connections are available to signal

 

OXYMITTER 4000 WITHOUT SPS 4000)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

when the Oxymitter 4000 is in calibration or

 

a.

Reference Air Package

 

when calibration failed. Relay outputs can

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

be connected to either indicator lights or a

 

 

After the Oxymitter 4000 is installed, con-

 

computer interface. The relay contacts are

 

 

nect the reference air set to the Oxymitter

 

capable of handling a 5 to 30 VDC maxi-

 

 

4000. The reference air set should be in-

 

mum power source.

 

 

stalled in accordance with Figure 2-13.

 

The cabling requirement is 1000 ft (303 m)

 

 

Instrument Air (Reference Air): 10 psig

 

maximum. Route the relay output leads

 

 

(68.95 kPag) minimum, 225 psig (1551.38

 

through the 1/2 in. NPT signal conduit port

 

 

kPag) maximum at 2 scfh (56.6 L/hr) maxi-

 

(Figure 2-3)and out through the bottom of

 

 

mum; less than 40 parts-per-million total

 

the manifold. Connect the (+) and (-) CAL

 

 

hydrocarbons. Regulator outlet pressure

 

FAIL leads and the (+) and (-) IN CAL leads

 

 

should be set at 5 psi (35 kPa). Reference

 

to terminals 7, 8, 9, and 10, respectively, as

 

 

air can be supplied by the reference air set

 

shown in Figure 2-12.

 

 

of the IMPS 4000.

h.

Connect 4-20 mA Signal Wiring

 

 

If using an IMPS 4000, refer to the IMPS

 

Route the 4-20 mA signal wiring into the

 

 

4000 Intelligent Multiprobe Test Gas Se-

 

 

 

quencer Instruction Bulletin for the proper

 

manifold through the 1/2 in. NPT signal

 

 

 

 

 

reference air connections.

 

conduit port (Figure 2-3)and out through

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

the bottom of the manifold. Connect the (+)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

and (-) signal leads to terminals 3 and 4, re-

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

spectively, as shown in Figure 2-12.

 

Do not use 100% nitrogen as a low gas

 

i.

Once all connections are made, install termi-

 

(zero gas). It is suggested that gas for

 

 

the low (zero) be between 0.4% and

 

 

nal cover (27, Figure 9-13)and secure with

 

2.0% O2. Do not use gases with hy-

 

 

screws (26). Make sure terminal cover gasket

 

drocarbon concentrations of more

 

 

(28) is in place.

 

than 40 parts per million. Failure to

 

 

 

 

use proper gases will result in errone-

 

 

 

 

ous readings.

 

 

 

 

b.

Calibration Gas

 

 

 

 

 

Two calibration gas concentrations are used

with the Oxymitter 4000, Low Gas - 0.4% O2 and High Gas - 8% O2. See Figure 2-14for the Oxymitter 4000 connections.

Rosemount Analytical Inc. A Division of Emerson Process Management

Installation 2-17