ZIRCONIA OXYGEN PROBE OUTPUT (mV) - Novatech Controls

5.5 SET-UP FUNCTION DETAILS
1. SENSOR TYPE
Options
Model No. Enter the probe in use
1. 1231 Heated Probe
2. 1232 Unheated Probe
3. 1233 Unheated Probe for high sulphur applications
(cermet sheath)
2. PROBE THERMOCOUPLE TYPE
The probe can have either a type K, R, or N thermocouple as a sensor temperature detector.
Options
1. K Check in the manual Section 1
2. R for the probe model number.
3. N Enter the correct TC type.
3. FLUE THERMOCOUPLE TYPE
Select the flue thermocouple type.
Options
1. T
2. J
3. K
4. R
5. S
6. N
7. Nil
NOTE
For heated probes the flue thermocouple is a separate sensor from the oxygen probe and should be mounted near to
and upstream from the probe. It is optional. If no thermocouple is required, select option ‘NIL’. In this case
efficiency and flue temperature readouts will not be operable.
With an unheated probe, the thermocouple within the probe may be used to sense flue temperature. In this case
connect Terminals 3 and 4 to Terminals 5 and 6 with copper wire.
4. TRANSMITTER OUTPUT CHANNEL 1
Select the type of output required from Channel 1. Linear is the most common output required. The logarithmic
output is often used where analog indicators give an exploded view of the oxygen range near stoichiometry. You
can draw your own scale using data in Appendix 3.
Options:
1. Linear
2. Logarithmic
3. Reducing
The reducing output is for special applications requiring extreme reducing conditions e.g. ceramic surface
treatment.
Linear output spans are adjustable in Set-up step 5. The logarithmic output is fixed at 0.1 to 20 % oxygen and the
reducing output is fired at 10 -1 to 10 -25 % oxygen. If either of the latter two are selected, then set-up 5 will be
skipped.
NOVATECH OXYGEN ANALYSER 5.3