11
SPECIFICATIONS
(Specifications subject to change without notice)
Principle of Operation: Nephelometric
Configuration Modes (selectable):
Range Selection: Manual or Automatic
Signal Averaging: ON or OFF
Ratioing: ON or OFF
Measurement Units:
Measurement Unit: NTUs, EBCs or Nephelos
Ranges (With Ratio ON)
NTU Mode: 0-4000 NTU with automatic decimal point placement or
0-0.999, 0-9.99, 0-99.9, 0-4000 with manual range selection
Nephelo Mode: 0-26,800 with automatic decimal point placement or 0-9.99,
0-99.9 and 0-26800 with manual range selection
EBC Mode: 0-980 with automatic decimal point placement or 0-0.999,
0-9.99, 0-99.9 and 0-980 with manual range selection
Ranges (With Ratio OFF)
NTU Mode: 0-40
Nephelo Mode: 0-268
EBC Mode: 0-9.8
Accuracy: ±2% of reading plus 0.01 NTU from 0-1000 NTU; ±5% of reading
from 1000 to 4000 NTU based on Formazin primary standards and with Ratio
ON; ±2% of reading plus 0.01 NTU from 0-40 NTU with Ratio OFF. Reference
Conditions: 0 to 40 °C, 0 to 90% RH Noncondensing @ 25 °C,
115/230 Vac ±17%, 50/60 Hz.* **
Resolution: 0.001 on lowest range.
Repeatability: ±1% of reading or ± 0.01 NTU which ever is greater.
Reference Conditions: 0 to 40 °C, 0 to 90% RH Noncondensing @ 25 °C,
115/230 Vac ±17%, 50/60 Hz
Response Time: 6.8 seconds with signal averaging off or 14 seconds with signal
averaging on.
Standardization: Formazin Primary Standards
Display: 5-character LED, 13.7 mm (0.54 in.) high digits with custom
annunciators
Light Source: Tungsten filament lamp. Lamp life 8,800 hours (typical).
Signal Averaging: Operator selectable on or off.
* Turbidity specifications determined using USEPA Filter Assembly. Use of Flow Cell is required to achieve the cited
specifications.
** Intermittent electromagnetic radiation of 3 volts/meter or greater may cause slight accuracy shifts. Please see SUPPLEMENTAL
COMPLIANCE INFORMATION on page 79.
Tài liệu sưu tầm của Trung Sơn - www.tschem.com.vn - 028.3811.9991 - info@tschem.com.vn
Tài liệu sưu tầm của Trung Sơn - www.tschem.com.vn - 028.3811.9991 - info@tschem.com.vn
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