Thermo Scientific AQUAfast AQ3170, User Manual

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14 15 Version 1 02/2017 AQ3170 Chlorine Colorimeter PROFORMA User Guide
cAL
SEL
SEL
CAL
CAL
SEL
Factory Calibration Reset
Resetting the user calibration to the original factory calibration will reset all methods and ranges .
A user calibrated method is indicated by a "Cal" symbol while the test result is displayed .
To reset the calibration press both the [MODE] and [ZERO/TEST] key and hold .
Switch the unit on using the [ON/OFF] key .
Release the [MODE] and [ZERO/TEST] keys after approx . 1 second .
The following messages will appear in turn on the display:
The factory setting is active .
(SEL stands for Select)
or:
Calibration has been set by the user .
(If the user calibration is to be retained, switch the unit off using the [ON/OFF] key).
Calibration is reset to the factory setting by pressing the [MODE] key .
The following messages will appear in turn on the display:
Switch the unit off using the [ON/OFF] key.
Mode
On
Off
Mode
On
Off
Zero
Test
RESULT Cal
Technical Data
Instrument single wavelength, direct reading colorimeter
Light source: LED, interference filter (IF) and photosensor in transparent cell chamber.
Wavelength specifications of the IF:
530 nm = 5 nm
Wavelength accuracy ± 1 nm
Photometric accuracy* 3% FS (T = 20° C – 25° C)
Photometric resolution 0 .01 A
Power supply 4 batteries (AAA/LR 03)
Operating time 17hr operating time or 5000 test measurements in continuous mode when display
backlight is off
Auto-OFF automatic switch off
10 minutes after last keypress
Display backlit LCD (on keypress)
Storage internal ring memory for 16 data sets
Time real time clock and date
Calibration user and factory calibration
resetting to factory calibration possible
Dimensions 155 x 75 x 35 mm (LxWxH)
Weight approx . 260 g (incl . batteries)
Ambient conditions temperature: 5– 40°C
rel . humidity: 30–90% (non-condensing)
Waterproof as defined in IP 67
CE Certificate for Declaration of CE-Conformity
*measured with standard solutions
To ensure maximum accuracy of test results, always use the reagent systems supplied by the instrument manufacturer .
Calibration Mode Technical Data