Delta LTL2000S Specifications download pdf (Page 21)

DELTA LTL2000 Retrometer 15

Functions and Menu system

Rl Calibration

(Activate with the <Calib.> key)

LCD Display Explanation.

Rl Normal Cal.

Enter To Start

Performs instrument calibration.

<ENTER> opens Rl Calibration sub menu.

Mount Normal

Enter When Ready

The user is requested to place his Rl-Normal in the LTL2000

instrument.

Press <ENTER> when it is mounted correctly.

Calibrating

Please wait

Measures Rl on the mounted Rl-Normal.

Rl Normal 146

Enter=OKêé=edit

The display shows the measured Rl value.

Use <ENTER> or <ê><é> keys

Rl Normal 146

Enter When OK

If necessary use the <ê><é> keys to change the Rl reading down or

up, continue until the shown Rl normal value is identical to the value

printed on the calibration unit and press <ENTER>.

Calib Done

Remove Rl Normal

The display shows that a new Rl Normal value has been calculated.

The user is requested to remove the Rl normal.

Zero measurement

(Activate with the <2.nd.>+<ZERO> key)

LCD Display Explanation.

Zero Reading

Enter to Start

Ready for measuring the instrument ZERO signal. Make sure that the

light trap is mounted and empty, close the hatch and then press the

<ENTER> key.

Zero Reading

Please Wait

Measures the zero signal

Zero OK

Zero: 0.11%

Zero measurement done no errors detected. The measured signal level

is shown.

High Zero Warning

Zero: 7.61%

Warning condition detected, the signal is to high. Check that the light

trap is empty and clean. The following measurements will have the W

status set.

Zero OK

Ready

Instrument Zero OK, now ready for calibration.

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Delta LTL2000S Specifications Page 21

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