Hach BioTector B3500s, User Manual

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Page 35
CONSUMABLES Typical Replacement Frequency & Consumption
Acid & Base: 26-33 weeks/19 Liters (based on standard range and 6 minute analysis cycle)
Instrument Air: 1.5 bar, - 20°C dew point (free of water, oil and dust)
Average consumption is less than 5.4 m
3
/hour.
Filter pack is recommended and available to meet the air quality specification.
BioTector Air Compressor is available for air supply.
Service:
6 Monthly Intervals
ANALYSIS PARAMETERS
Oxidation Method: Patented Two-Stage Advanced Oxidation Process using Hydroxyl Radicals
TOC Measurement: NDIR measurement of CO
2
after oxidation
Measurement Terms:
TOC (Total Organic Carbon) including Non-Purgeable Organic Carbon
(NPOC) and Purgeable Organic Carbon (POC)
BioTector TIC&TOC mode measures NPOC.
BioTector VOC mode measures TOC as NPOC+POC.
Measured Components: TOC (NPOC)
TOC (NPOC + POC)
TIC
TC
VOC (POC)
COD*
BOD*
*
COD & BOD by correlation algorithm incorporating TOC measured results
Cycle Time: from 5.5 minutes, depending on range and application
MONITORING RANGES:
TOC
Standard Range 0-25mgC/l
Accuracy and Repeatability

3% of reading or

0.03mgC/l, whichever is greater
Detection Limit
0.06mg/l
Second Range
(Optional for Exceedance Tracking)
0-100mgC/l (

5% of reading or

0.5mgC/l, whichever is greater
)
Range Selection:
Automatic or Manual (up to 2 ranges configurable)