Hf-scientific Micro200BW Turbidimeter - 0-100 NTU Manual de usuario descargar pdf (Pagina 56)

MICRO 200 BW 0-10 & 0-100 NTU (05/05)

Rev. 3.4

LCD Liquid Crystal Display (screen) used to

Display view the information available on the

MICRO 200 BW.

Main Menu: The major options for each of the functions

accessed by the “FUNCTION” keys.

NTU: Nephelometric Turbidity Units

Self Test: A function that the MICRO 200 BW per-

forms to check the internal analyzer volt-

ages.

Set Alarm Setting the value at which an alarm will

Point: occur.

Set Selection of the time period used to aver-

Average: age the display. Used to mitigate rapidly

changing readings.

Set Time: Function used to Set the internal clock of

the MICRO 200 BW

Set Baud Set the RS-232 information transfer rate.

Rate:

Standardize: Calibration of the lowest value of water.

Sub Menu: Menu selections offered after selecting an

option from the main menu.

Select: A function that alternates among features

or selections.

Turbidity: The measurement of light reflected by

particles suspended in a fluid.

GLOSSARY

Alarms: Relay outputs that change when an alarm

setpoint has been exceeded.

Backwash: A method of measuring the transmission

of filter backwash water.

Baud: Rate of transfer of serial information.

Calibrate: Electronic adjustment of the instrument to

known standards.

Cursor: The LCD pointer indicating which digit or

figure will change.

Cuvette: Glass container used to hold the sample to

be measured. It is placed in the optical well

of the turbidimeter.

Comm Port: Serial RS-232 or RS-485 communications

port used for connecting a serial printer to

generate hard copies of measurements or

to data logging equipment.

D to A: Digital to analog conversion. Used to pro-

vide 4-20 mA and 0 - 10 V output signals.

Digit Up: Command indicating an increment or in-

crease of the digit selection.

Digit Down: Command indicating a decrement or de-

crease of the digit selection.

Display The set up of information to be displayed

Parameters: on the LCD display.

Display: LCD display screen on the Analyzer.

Frequency: The number of cycles per second (hertz),

of an alternating current signal.

FTU: Formazin Turbidity Units (see NTU)

Host A computer that is used to acquire and

Computer: collect information from the serial port of

one or more MICRO 200 BW analyzers

(up to 16, Ø through F, Hexametadecimal).

JTU: Jackson Turbidity Units

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Hf-scientific Micro200BW Turbidimeter - 0-100 NTU Manual de usuario Pagina 56

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