Emerson NGA 2000, NGA2000 manual 62

5.1.5 Analyzer Module Set up

Response Time/Delay Parameters

Main Menu — Expert controls and set up

					↓
			Analyzer module set up
					↓
		Gas measurement parameters
					↓
	Response time/delay parameters
					↓
CLD								95.0 ppm
	Response time/delay parameters
Range 1 t90 time:									3.0 s
Range 2 t90 time:									3.0 s
Range 3 t90 time:									3.0 s
Range 4 t90 time:									3.0 s
LON update rate:							10 per sec
Output delay time:									0.0 s
HOME	ESCAPE							INFO
F1	F2		F3	F4		F5

In the menu "Response time/delay parameters" you can set up the response time (t90 time) of the analyzer for each range and the output delay of the signal.

Set up parameters:

¨Select any line of variables with the ↓ -key or the − -key.

¨Select the variable with the ENTER key or the → -key.

¨Select any digit with the ← -key or the → -key and adjust a new value with the − -key or the ↓ -key

resp. select the whole parameter with the − -key or the ↓ -key.

¨Confirm the new value with the ENTER key or cancel and go back to the last value with the F2 key.

Lines of variables "Range 1/2/3/4 t90 time":

The t90 time is defined as the time that has to run until the analyzer displays 90% of the current concentration after a jump in the concentration level.

Options: 0 to 30 seconds for every range of a channel.

5 - 14 NGA 2000

90003749(1) [NGA-e (Software CLD 2.3/MLT 3.1.X)] 04/98