Grundfos DIT-M, Installation And Operating Instructions Manual

Page: 3 / 36

English (GB)
3
3.3 Avoidance of danger
If safe operation cannot be ensured any longer, the DIT-M
compact photometer is to be taken out of service and
safeguarded against unintentional operation. This is the case
under the following circumstances:
• The DIT-M photometer has visible damages.
• The DIT-M photometer seems to be inoperative.
• After a long storage time under unfavourable circumstances.
3.4 Nameplate
Fig. 1 Nameplate of DIT-M
4. Technical data
To ensure maximum accuracy of test results, always use the
reagent systems supplied by Grundfos. See section 7.2 Table
of methods and reagents .
5. Commissioning
5.1 First commissioning
Before first commissioning insert the batteries delivered with the
product. Proceed as described in section
5.2 Saving data,
important notes and section 5.3 Replacement of batteries . First
commissioning procedure:
1. Switch on the device using [ON/OFF] key.
– The message "Please initialise the storage system with
Mode 34" appears in English (language of delivery).
2. Confirm message with key.
3. Press [Mode] key to enter Mode menu.
4. Use arrow keys to select submenu 10 and press
key.
5. Select the desired language with arrow keys and press
key.
6. Use arrow keys to select submenu 12 and press key.
7. Use [Shift] key together with number keys to enter date and
time, and confirm with key.
8. Use arrow keys to select submenu 34 and press key.
9. Confirm enquiry by pressing keys [Shift] + [1] and press
key to start initialization of storage system.
Warning
Do not open or dismantle the photometer!
Cleaning, maintenance and repair must only be
carried out by authorised personnel!
TM
04 81
49 321
0
Pos. Description
1 Type designation
2 Model
3 Product name
4 Product number
5 Year and week of production
6 Country of origin
7 Marks of approval, CE mark etc.
8 Serial number
DIT-M
310-500
S/N: 07/63516
DIT-M
96609108P1107380763516
1
2
3
4
5
6 7
8
Display Graphical display
Light source
6 LEDs, interference filter (IF) and
photosensors arranged in pairs in a
transparent measurement chamber.
Wavelength ranges:
λ
1 = 530 nm (IF
Δλ
= 5 nm)
λ
2 = 560 nm (IF
Δλ
= 5 nm)
λ
3 = 610 nm (IF
Δλ
= 6 nm)
λ
4 = 430 nm (IF
Δλ
= 5 nm)
λ
5 = 580 nm (IF
Δλ
= 5 nm)
λ
6 = 660 nm (IF
Δλ
= 5 nm)
Wavelength
accuracy
± 1 nm
Photometric
accuracy 2 % FS (full scale, T = 20-25 °C),
measured with standard solutions
Photometric
resolution
0.005 A
Operating panel
Acid and solvent-resistant touch-sensitive
keypad with acoustic signal
Power supply
4 batteries (type AA/LR6);
lifetime approx. 3500 tests
Auto OFF
20 minutes after a key was last pressed;
30 seconds before an acoustic signal is
emitted
Storage capacity approx. 1000 data sets
Interface IR interface for data transfer
Time Real-time clock and date
Dimensions approx. 210 x 95 x 45 mm (L x W x H)
Weight approx. 450 g (batteries included)
Dimensions packed 440 x 305 x 145 mm (L x W x H)
Weight packed
2220 g
Operating
conditions
5-40 °C:
relative humidity: 30-90 % (not
condensing)
Permissible storage
temperature
-20 to +70 °C
Language options
German, English, French, Spanish, Italian,
Portuguese, Polish
Protection class IP 67