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of in accordance with the national regulations and laws. The type
of protective equipment must be selected in accordance with the
concentration and quantity of the hazardous substance at the
respective workstation.
7. Technical description
The compact photometer PF-3 enables measurements at 3
predefined wavelengths. The light generated by the respective LED
is directed through an interference filter into the cuvette shaft of the
device. After passing through the sample, the proportion of absorbed
light is calculated by detecting the attenuated light. The proportion of
absorbed light is converted with the aid of a stored calibration into the
concentration of the analyte examined.
7.1 Technical data
Type:
Optics:
Wavelengths:
Wavelength accuracy:
Number of filters:
Light source:
Detector:
Measurement modes:
Cuvette slot:
Memory:
Display:
Operation:
Interface:
Update:
Operating range:
Power supply:
Protection class according to
IEC 60529:
Overvoltage category:
Degree of contamination:
Dimensions:
Weight:
Warranty:
LED photometer with microprocessor control, self-
test, and autocalibration
LED + interference filter
Not sensitive to extraneous light for fast
measurements without covering the cuvette shaft
Depends on version, 3 wavelengths possible
± 2 nm, full width at half maximum 10–12 nm
3
LED
Silicon photovoltaic cell
Preprogrammed tests
(NANOCOLOR
Powder Pillow tests and VISOCOLOR
Round cuvettes, 16 mm OD
50 measured values
Illuminated graphic display, 64 × 128 pixels
Intuitive, icon-based menu navigation, membrane
keypad
Mini USB
Free of charge, via Internet/PC
5–50°C at 90% rel. humidity
Battery operation: 10–40°C
To 3000 m
3 AA disposable batteries, rechargeable batteries,
USB interface; optional internal battery pack
IP68 (device is dust- and waterproof.)
IP6X ≜ Dustproof
IPX8 ≜ Protection against prolonged submersion.
Device: I
Mains adapter: II
2
170 × 95 × 68 mm
0.5 kg
2 years
Manual Photometer PF-3 EN, 04/2021
round cuvette tests, VISOCOLOR
®
®
ECO tests)
®
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