SYSTEM DESCRIPTION
Chapter 2
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Sievers TOC-R3 Operation and Maintenance Manual
DLM 95000-01 EN Rev. A 43 © Veolia 2023
To verify your selected NDIR Detector variation, go to the Menu → General → Machine
Configuration screen and refer to Table 2-1, “Typical NDIR Detector Measuring
Ranges,” on page 43.
B2
4
— ECD Detector Option (for NO Detection)
The ECD Detector Option (B2) is a purchasable Electrochemical Detector (ECD)
Feature located in the Carrier Gas stream after the NDIR Detector and the “Carrier Gas
Flow Out” Sensor. The ECD Detector is used to measure NO (Nitric Oxide) and this
correlates to the TNb (Total Bound Nitrogen) measurement. The ECD Detector Range is
specific to the hardware installed and there are two ECD Detector Analytical Ranges
available. This is determined during product planning and custom installed individually
per Customer requirements.
Table 2-1: Typical NDIR Detector Measuring Ranges
Purchased
Detector
CO
2
[ppm]
(Firmware
Label)
a
a. The “NDIR Detector” and “NDIR Range” are found on the Menu → General →
Machine Configuration Screen. All “NDIR Detector” values display as “NDIR 1”
except the “Up to 10 mg/L as TOC” and “Wide Range”. Locate the “NDIR Range” value
to determine the purchased component.
Analytical Method Measurement Ranges
TC / NPOC [mg/L]
(Analytical Range)
TIC [mg/L]
(Analytical Range)
Up to 10 mg/L
as TOC
100 0.1 – 10 N/A
Up to 200 mg/
L as TOC
500 1 – 200 0.1 – 10
Up to 2,000
mg/L as TOC
2,000 20 – 2,000 5 – 100
Up to 10,000/
*50,000 mg/L
as TOC
*with Dilution
Option
30,000 100 – 50,000 20 – 1,000
Wide Range
50,000
b
b. The Wide Range “NDIR Detector” displays as “NDIR 2” on the Menu → General →
Machine Configuration Screen.
0.1 – 200 1 – 800
200 – 20,000 800 – 2,000
4. “B2” can either be the optional ECD Detector or the optional PID Detector. The Analyzer
cannot be configured with both options.
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