wtw Turb 430 IR/T Instrucciones De Operación página 17

Turb 430 IR/T
Measuring principle
Light source
Measuring range
Resolution
Accuracy
Reproducibility
Response time
Calibration
Measuring principle
Light source
Measuring range
Resolution
Accuracy
Reproducibility
Response time
Calibration
ba75506edfs03 11/2017
Turbidity (Turb 430 IR)
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 ... 1100 FNU/NTU
0,5% of the measured value
4 seconds
Automatic 3-point calibration
Turbidity (Turb 430 T)
Nephelometric measurement according to US EPA 180.1
White light tungsten lamp
0.01 ... 1100 NTU
Range 0.01 ... 9.99
Range 10.0 ... 99.9
Range 100 ... 1100
in the range
0 ... 500 NTU
in the range
500 ... 1100 NTU
1% of the measured value
7 seconds
Automatic 3-point calibration
max 0.01 FNU/NTU
max 0.1 FNU/NTU
max 1 FNU/NTU
± 2 % of the measured value
or ± 0.01 FNU/NTU
max 0.01 NTU
max 0.1 NTU
max 1 NTU
± 2 % of the measured value
or ± 0.01 NTU
± 3 % of the measured value
Maintenance, cleaning
17