Method
|
USEPA 180.1 Method / 90Â Scattered Light Measurement
|
Measurement Range
|
0~100 NTU
|
Sample Temperature
|
2~60 ÂC (35.6~143.6 ÂF )
|
Flow Rate
|
0.1~0.8 L/min (0.026~0.211 gal/min )
|
Optimal:0.3L/min(0.079gal/min)
|
Pressure
|
0.5 bar
|
Response Time
|
60 sec
|
Resolution
|
0.0001 NTU
|
Accuracy
|
-/+1.0%
|
Repeatability
|
-/+2.0%
|
Calibration
|
1 point (sample) or 2point (zero and sample)
|
Formazine standard 180mL
|
Light Source
|
Tungsten Lamp
|
Storage Temperature
|
-20~60 ÂC (-4~140 ÂF, Original Package), Unlimited
|
Warranty/Maintenance
|
Detector : 2 years(Semipermanent Use)
|
Lamp:3yearsReplacementRecommended
|
Cleaning <3 months Recommended in clean water
|
Calibration (12 months Recommended in clean water
|