51
15. Technical Data
Optical
measuring
principle
Filter photometer with reference
beam absorption measurement;
simultaneous recording of all
wavelengths
Light source
Tungsten halogen lamp, preset
Receiver
6 x photo diode array
Optical filters
340 nm, 445 nm, 525 nm, 550
nm, 605 nm, 690 nm,
Accuracy: ±2 nm;
Half width:
340 nm = 30 nm ±2 nm;
all others = 10 nm ±2 nm
Photometric
reproducibility
0.001 A at 1.000 A
Photometric
resolution
0.001 A
Warm-up time
none
Measuring time
approx. 2 s
Types of
measurement
Concentration (method depen-
dent, selectable display form),
absorbance, transmission
Measuring range
absorbance
–0.300 A to 3.200 A
Measuring range
transmission
0.1 % to 1000 %
Balancing
Permanently stored
Drift correction
Automatic on each Self-Check
Retrofitting of
new methods
via the Internet
Bar code recog-
nition
automatic selection of the
method;
automatic recognition of the
reagents lot
Cell recognition
automatic
Self-Check
Test: Memory, optics, electronic
measured value recording,
barcode recognition, cell recogni-
tion
Automatic calibration: Optics,
electronic measured value
recording, barcode recognition
Time/Date
Real-time clock in the photom-
eter
Dimensions
H: 140 mm, D: 270 mm,
W: 260 mm
15
Technical Data
Weight
approx. 2.3 kg (battery version:
2.8 kg)
Meter safety
EN 61010, IEC 1010
Safety class
EN 61010-1/class 3
Power pack
l
Type
Friwo FW6798/11.8363 *
Friwo Part-No. 1810502
Input: 230 V~ ±10%/50 Hz/25 VA
Output: 12 V~/1540 mA
Friwo FW6798/11.8365 *
Friwo Part-No. 1769227
Input: 120 V~ ±10%/60 Hz/24 VA
Output: 12 V~/1540 mA
* compulsory for meters with UL/
cUL test certificates
FRIWO FW 7555O/15
Friwo Part. No. 1822367
Input: 100 ... 240 V ~ /
50 ... 60 Hz / 400 mA
Output: 15 V DC / 1 A
l
Meter safety
EN 60950
Battery opera-
tion (optional)
Built-in battery: NiCad recharge-
able battery
7.2 V/2200 mAh, operating time
with new, fully charged battery:
typical 40 hours with
10 measurements per hour,
trickle charging in line operation,
approx. 5 h charging time for a
discharged battery, total
discharge protection
Power consump-
tion in line oper-
ation
max. 1300 mA
EMC
EU directive 89/336/EEC
EN 61326-1
EN 61000-3-2 A14
EN 61000-3-3
FCC class A
Climatic class
2, VDI/VDE 3540
Ambient temper-
ature
Storage: –25 °C to +65 °C
Operation: +5 °C to +40 °C
Allowable rela-
tive humidity
Annual mean: 75 %
30 days/year: 95 %
other days: 85 %
Test certificate
CE