Measurement method : Ratio turbidimetric determination using a primary nephelometric light scatter signal (90°) to the transmitted light scatter signal.
Regulatory : 2100Q: Meets EPA Method 180.1 & 2100Qis: Meets ISO 7027
Light source 2100Q : Tungsten filament lamp & 2100Qis: Light-emitting diode (LED) @ 860 nm
Range : 0 to 1000 NTU (FNU)
Accuracy : ±2% of reading plus stray light from 0 to 1000 NTU
Repeatability : ±1% of reading, or 0.01 NTU (FNU), whichever is greater
Resolution : 0.01 NTU on lowest range
Stray Light : <0.02 NTU (FNU)
Signal Averaging : Selectable on/off
Detector : Silicon photovoltaic
Reading modes (user selectable) : Normal (Push to Read), Signal Averaging & Rapidly Settling Turbidity
Data logger : 500 records
Power requirement : 110-230 Vac, 50/60 Hz (with Power or USB+Power Module), 4 AA alkaline batteries Rechargeable NiMH (for use with USB+Power Module)
Interface : Optional USB
Instrument enclosure rating : IP67 (closed lid, battery compartment excluded)
Protection class : Power Supply: Class II
Certification : CE certified
Sample required : 15 mL (0.3 oz.)
Sample cells : 60 x 25 mm (2.36 x 1 in.) borosilicate glass with screw cap
Dimensions : 22.9 x 10.7 x 7.7 cm (9.0 x4.2 x 3.0 in.)
Weight : 527 g (1.16 lb) without batteries 618 g (1.36 lb) with four AA alkaline batteries