Analytical Industries GPR-1535 GB Trace PPM Oxygen Transmitter - Manual (Page 13)

Advanced Instruments Inc.
13
MAIN MENU
AUTO SAMPLE
MANUAL SAMPLE
CALIBRATE
24.5 C 100 KPA
>>>
MANUAL RANGE
25%
1%
1000 PPM
100 PPM
10 PPM
Advance the reverse shade cursor using the ARROW keys to highlight the desired RANGE.
Press the ENTER key to select the highlighted menu option.
The following display appears with the range selected and oxygen concentration of the sample gas:
3.3 PPM
MANUAL SAMPLING
10 PPM RANGE
24.5 C 100 KPA
The display will not shift automatically. Instead, when the oxygen reading (actually the sensor’s signal output) exceeds 110% of
the upper limit of the current range an OVER RANGE warning will be displayed.
13.00 PPM
OVERRANGE
MANUAL SAMPLING
10 PPM RANGE
24.5 C 100 KPA
Once the OVER RANGE warning appears the user must advance the transmitter to the next higher range via the menu and
keypad Press MENU, select MANUAL SAMPLING, press ENTER, select the appropriate MANUAL RANGE and press ENTER again.
Note: To enhance viewing the LCD display, all analyzers and transmitters are equipped with a backlit LCD display. Due to the
limited power availability of the GPR-1500/1500D series of two wire loop powered transmitters, the backlit LCD feature does not
operate when the signal output is less than 10mA.
Start-Up is complete . . . proceed to Calibration