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Specifications
Specifications are subject to change without notice.
Specification
Details
Measurement method
Nephelometric
Regulatory
Meets ISO 7027, DIN EN 27027, DIN 38404 and NFT
9033
ASTM D7315 - Standard Test Method for
Determination of Turbidity Above 1 Turbidity Unit (TU)
in Static Mode
ASTM D6655 - Standard Test Method for
Determination of Turbidity Below 5 NTU in Static Mode
Light source
Light-emitting diode (LED) at 860 ± 30 nm
FNU, FAU, NTU, EBC, Abs (absorbance), %T (%
transmittance) and two user-defined units
Standard operation
on page 11
Maintenance
on page 16
Troubleshooting
on page 17
Specification
Details
Range
FNU (manual range): 0-0.999, 0-9.99, 0-99.9,
0-1000
FNU (auto range): 0-1000
FAU (manual range): 20-99.9, 20-10,000
FAU (auto range): 20-10,000
NTU (Ratio on, manual range): 0-0.999, 0-9.99,
0-99.9, 0-10,000
NTU (Ratio on, auto range): 0-10,000 auto decimal
NTU (Ratio off): 0-40
EBC (Ratio on, manual range): 0-0.999, 0-9.99,
0-99.9, 0-2450
EBC (Ratio on, auto range): 0-2450 auto decimal
EBC (Ratio off): 0-9.8
Absorbance (manual range): 0-0.999, 0-2.00
Absorbance (auto range): 0-2.00
Transmittance (%): 1.0-100
1, 2, 3
4
Accuracy
FNU
: ±2% of reading plus 0.01 FNU from
0-1000 FNU
FAU: ±10% of reading from 20-10,000 NTU
4
: ±2% of reading plus 0.01 NTU from
0-1000 NTU, ±5% of reading from 1000-4000 NTU,
±10% of reading from 4000-10,000 NTU
Absorbance: ±0.005 Abs from 0-1 Abs at 860 nm
Transmittance: 0.12% T from 10-100% T at 860 nm
Resolution
Turbidity: 0.001 FNU/NTU/EBC
Absorbance: 0.001 Abs
Transmittance: 0.1% T
Repeatability
±1% of reading or 0.01 FNU, whichever is greater
(under reference conditions)
Response time
Signal averaging off: 6.8 seconds
Signal averaging on: 14 seconds (when
10 measurements are used to calculate the average)
English 3
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