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25
T
ECHNICAL CHARACTERISTICS
Instrument
Dimensions (Length x Width x Height)
220x120x55mm
Weight
400g (batteries included)
Materials ABS
LCD Display
4½ digits plus symbols
Visible area: 52 x 42 mm
Operating conditions
Operating temperature instrument alone
0…50°C
Warehouse temperature instrument alone
-25…65°C
Working relative humidity
0…90%RH without condensation
Calibration standards storage
5…25°C (not to higher temperatures,
protect the standards from light)
Protection degree
IP66
Power
Batteries
3 1.5V type AA batteries
Autonomy
100 hours with 1800mAh alkaline batteries
Mains (cod.
SWD10
)
Mains adaptor 100-240Vac/12Vdc-1A
Measurement methods
Standard
EPA180.1, ISO-NEPH (ISO 7027), EBC,
ASBC, WHITE %T and IR %T
Light source
IR LED (850nm) and white LED (470nm)
Receivers Silicon
photodiodes
Sample cell
∅
24mm – height 68mm, 20cc
Turbidity measurement
Method / measurement range
EPA180.1
(0…1000 NTU)
ISO-NEPH
(0…1000
FNU)
EBC
(0…250
EBC)
ASBC
(0…9999
ASBC)
WHITE %T (0…100 %T)
IR %T
(0…100 %T)
Resolution
0.01 NTU (0…9.99 NTU)
0.1 NTU (10.0…99.9 NTU)
1 NTU (100…1000 NTU)
Accuracy
±
2% r 0.01 NTU (0…500 NTU)
±
3% reading (500…1000 NTU)
Repeatability
±
2% reading or 0.01 NTU (the higher)
Security of stored data
Unlimited
Time
Date and time
Schedule in real time
