Teledyne 6600 Operation Model Calibration/Hold Timer Setup, Analog 4-20mA Output Calibartion

3 Operation Model 6600

3.3.10 Calibration/Hold Timer Setup

ThisCalibrationTimerletstheoperatoradjustthetimetheinstrument purgesthecalibrationgaspriortoactuallystartingthecalibrationcomputations. The Sample timer lets the operator adjust the time the instrument purges sample gasafterfinishingacalibrationbeforeitletstheanalogoutputsanddisplaytrack thechangeinconcentration.

ThisfunctionandtheTRACK/HOLDfeaturewillpreventfalsealarms whileperformingremoteorautoscheduledcalibrations. Thesefunctionsarenot applicableifthecalibrationisinitiatedthroughthefrontpanel. Toenterthe Calibration/HoldTimerfunction,youmust:

1.EntertheSystemmenu:

DIG_FILT SELF-TEST

PWD LOGOUT MORE

2.Using theUP/DOWN switch, select MORE and press Enter: The Second System screen appears:

AUTOCAL HMGNZR TRACK

CAL-HOLD-TIMER MORE

or

AUTOCAL HMGNZR HOLD

CAL-HOLD-TIMER MORE

3.Select with the UP/DOWN switch CAL-HOLD-TIMER, and press the Enter key to access this function menu:

Calbrt hold: 3 min

Sample hold: 1 min

The calibration hold time is set on the first row, while the sample hold time is set on the second row. To select one or the other, use the Right or Left keys. To modify the time of either timer, use the Up or Down keys. The time is in the minutes.

3.3.11 Analog 4-20mA Output Calibartion

This function will let the operator calibrate the 4 to 20 mA analog output to match the display reading. A DMM configure as a DC ammeter is needed. The DMM should be connected across the output terminals of the 4 to 20 mA output to monitor the output current. To enter the 4 to 20 mA output adjust function, youmust:

1.EntertheSystemmenu:

3-14 Part I

Teledyne Analytical Instruments