Teledyne MODEL T703 Manual Do Utilizador

The following list is a list from the T-API Customer Service Department of the 10 most commonly asked 
questions relating to the Model T703 Photometric Calibrator. 

Q: My ozone ACT =XXXX, why? 
A: Look at the Photo Ref/Meas readings from the photometer UV lamp detector are most likely too low and need 

to be adjusted.  See Section 10.5 
 

Q: When I generate ozone, it takes a long time to settle out or it fluctuates around the target concentration until 

finally stabilizing. 

A: Perform an O

3

 Gen Calibration.  See Section 8.2. 

Q: Why does the ENTR key sometimes disappear on the front panel display? 
A: Sometimes the ENTR key will disappear if you select a setting that is invalid or out of the allowable range for 

that parameter, such as trying to set the 24-hour clock to 25:00:00.     
 
Once you adjust the setting to an allowable value, the ENTR key will re-appear. 

Q: How do I make the RS-232 Interface Work? 
A: See Section 7 

Q: When should I change the sintered filter(s) in the calibrators flow control(s) and how do I change them? 
A: The sintered filters do not require regular replacement.  Should one require replacement as part of a 

troubleshooting or repair exercise, see Section 11.8.1. 

Q: How often should I rebuild the photometer pump on my calibrator? 
A: The photometer pump has been designed for longer service life than standard diaphragm pumps.  When the 

pump wears out, the entire pump must be replaced. 

Q: How long do the UV lamps of the O

3

 generator and photometer last? 

A: The typical lifetime is about 2-3 years. 

 

10BaseT 

an Ethernet standard that uses twisted (“T”) pairs of copper wires to transmit at 10 
megabits per second (Mbps) 

100BaseT 

same as 10BaseT except ten times faster (100 Mbps) 

APICOM 

name of a remote control program offered by Teledyne-API to its customers 

ASSY 

 

CAS 

07223B DCN6378