Turbidity - wtw Turb 430IR Mode D'emploi Abrégé

Turb 430 IR
Guidelines
and norms used
Measuring principle
Light source
Measuring range
Resolution
Accuracy
Response time
Calibration
ba75506e01 04/2005
EMC
Instrument safety
Climatic class
IP protection
FCC Class A Equipment Statement
Note: This equipment has been tested and found to comply with
the limits for a Class A digital device, pursuant to Part 15 of the
FCC Rules. These limits are designed to provide reasonable
protection against harmful interference when the equipment is
operated in a commercial environment. This equipment
generates, uses, and can radiate radio frequency energy and, if
not installed and used in accordance with the instruction manual,
may cause harmful interference to radio communications.
Operation of this equipment in a residential area is likely to cause
harmful interference in which case the user will be required to
correct the interference at his own expense.

Turbidity

Nephelometric measurement according to DIN EN ISO 7027
Infrared LED
0.01 ... 1100 FNU/NTU
Range 0.01 ... 9.99
Range 10.0 ... 99.9
Range 100 ... 1100
in the range
0 ... 500 FNU/NTU
14 seconds
Automatic 3-point calibration
EC guideline 89/336/EEC
EN 61326-1/A3:2003
FCC Class A
EC guideline 73/23/EEC
EN 61010-1 :2001
UL3101-1
CAN/CSA-C22.2 No. 1010.1-92
VDI/VDE 3540
EN 60529:1991
max 0.01 FNU/NTU
max 0.1 FNU/NTU
max 1 FNU/NTU
± 2% of the measured value
or ± 0.01 FNU/NTU
Maintenance, cleaning
15