Measurement Method

 Ratio turbidimetric determination using a primary nephelometric light

 scatter signal (90°) to the transmitted light scatter signal

 Regulatory

 Meets EPA Method 180.1

 Lamp Source

 Tungsten filament lamp

 Range

 0-1000 NTU

 Accuracy

 ±2% of reading plus stray light from 0-1000 NTU

 Repeatability

 ±1% of reading or 0.01 NTU, whichever is greater

 Resolution

 0.01 NTU on lowest range

 Stray Light

 = 0.02 NTU

 Signal Averaging

 Selectable on or off

 Detector

 Silicon Photodiode

 Reading Modes

 Normal (Push to Read)

 Signal Averaging 

 Rapidly Settling Turbidity(TM)

 Calibration Options

 Single step RapidCal(TM) for low-level regulatory reporting from 0-40 NTU

 Full range calibration from 0-1000 NTU

 Calibration to degrees of turbidity

 Calibration Logger

 Records the last 25 successful calibrations

 Verification Logger

 Logs the last 250 successful verifications

 Data Logger

 500 records

 Power Requirement

 AC 100-240 V, 50/60 Hz (with Power or USB+Power Module)  4 AA alkaline batteries

 Rechargeable NiMH (with USB+Power Module)

 Operating Conditions

 Temperature:  0 to 50 °C (32 to 122 °F)

 Relative Humidity:  0-90% at 30 °C, 0-80% at 40 °C, 0-70% at 50 °C noncondensing

 Storage Conditions

 -40 to 60 °C (-40 to 140 °F), instrument only

 Interface

 Optional USB

 Sample Required

 15 mL (0.5 oz.)

 Sample Cells

 Round cells, 60 x 25 mm (2.36 x 1 in.), borosilicate glass with screw caps

 Dimensions

 22.9 x 10.7 x 7.7 cm (9.0 x 4.2 x 3.0 in.)

 Weight

 530 g (1.17 lb) without batteries

 620 g (1.37 lb) with four AA alkaline batteries

 Meter Enclosure Rating

 IP67 (closed lid, battery and module compartment excluded)

 Protection Class

 Power supply: Class II

 Certification

 CE certified

 Warranty

 1 year