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Teledyne 5000B - Near Infrared Photometer User Manual

Page 40

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3 Operation

/Control Unit

Model 5000B

3-12 Part I

Teledyne Analytical Instruments

6

9.0

7

14.0

8

25.0

9

46.0

10

90.0

At a setting of “zero”, the response time is purely set by the electronics to

4.5 seconds. The numbers above can and will change depending on application
and they merely serve to illustrate the effect of the digital filter.

3.3.8

Filter or Solenoid Setup

The 5000BF can be spanned or zeroed by calibration fluids or by optical

filters. The proper calibration method should be set at the factory. To access
the Filter or Solenoid Flags, you must:

1. Press the System key to start the System function:

DIG_FILT SELF-TEST
PWD LOGOUT MORE

2. Using the Right or Left arrow keys, select MORE and press Enter.

The second System screen appears:

AUTOCAL FILSOL TRACK
CAL-HOLD-TIMER MORE

3. Select FILSOL using the Right or Left arrow keys and press Enter to

start the method of calibration function.

Set fil/sol for cal
Span: FIL Zero: SOL

There are two flag options: zero and/or span flags are choosen at time

of purchase, one for Zero calibration and the other for Span located in the
Detector housing. To move between the Zero and the Span flags, use the
Right or Left arrow keys. FIL means that a filter will do this particular
calibration. SOL means that the signal to activate a fluid solenoid is enabled.
To toggle between the SOL and FIL options, use the Up and Down arrow
keys.

The connections to drive the filter and the solenoid are found on a strip

terminal located on the interface board. The connections are described in
section 5-6 of the maintenance section of the manual.