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German WTW TetraCon 700 IQ online conductivity sensor
German WTW TetraCon 700 IQ online conductivity sensor
Product details
1、 Measurement principle
Quadrupole conductivity electrode. compare with2Polarized conductivity, with the addition of two additional plates, does not allow any current to flow between them and is only responsible for providing a stable and constant reference potential. When there is a change in the system, such as electrode contamination, the electrode automatically adjusts the voltage applied to the current plate based on the sensed signal, thereby achieving automatic background compensation. There are two advantages to the quadrupole method. Firstly, it completely solves the polarization problem during high conductivity testing; The second is to solve the problem of inaccurate readings caused by electrode contamination.
2、 Advantages and Characteristics
1、 4Electrode type
2、 sturdy and durable
3、 Measure width
4、 Anti scaling property
3、 Typical applications
1、 TetraCon 700 IQ: Water/sewage
2、 TetraCon 700 IQ SWHigh salinity water, such as seawater
3、 TetraCon 700: Sewage treatment plant
4、 TetraCon®325: Conventional applications
5、 TetraCon®DU/T: Standard Industrial Applications
6、 LRD 01: Clean water
7、 LRD 325: Conventional applications
8、 LR 325/01Ultra pure water applications, such as boiler feedwater
9、 LR 325/001: Trace level applications
4TECHNICAL INDEX
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model |
digital signal |
Analog signal (adapter required for connection)28xgive202Controller) |
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TetraCon 700 IQ（F，SW） |
TetraCon®700 (SW) |
LRD 01 |
LRD 325 |
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Testing Principles |
4electrode |
4electrode |
2electrode |
4electrode |
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Range; Lower limit resolution |
10µS/cm~500mS/cm；0.01µS/cm SAL： 0~70；0.1 TDS：0~2000 mg/L；1 mg/L |
10µS/cm~1000mS/cm； 0.01µS/cmSAL： 0~70；0.1 |
0.001µS/cm~200µS/cm; depends on the controller |
1µ/cm~2 S/cm； Depends on the controller |
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response timet90 |
< 60 s |
< 60 s |
< 20 s |
< 20 s |
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Electrode constant |
Optional fixed value,K=0.917cm-1， ±1.5%(Free solution); K = 0.933 cm-1± 1.5 %(in the circulation system); Adjustable range by oneself0.826~1.008 cm-1 |
K=0.917 cm-1(free solution) K=0.933 cm-1(In the circulation pool) |
K=0.917 cm-1 |
K=0.475 cm-1 |
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temperature compensation |
built-in |
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Temperature range |
-5~+60℃ |
0~+50℃ |
0~+130℃ |
0~+100℃ |
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pressure resistance |
10 Ba,1Ba（F） |
10 hope earnestly( 20℃) |
14hope earnestly( 20℃) |
10 hope earnestly( 20℃) |
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accuracy |
conductivity±2%Measurement value±1，25℃； salinity±0.1，+5℃~+25℃; Salinity±0.2, +25℃~+30℃ |
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Special application electrode technology indicators, analog signals (can be connected with adapter)28xgive202Controller) |
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model |
TetraCon® 325 |
LR 325/01 |
LR 325/001 |
TetraCon®DU/T |
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Testing Principles |
4electrode |
2electrode |
2electrode |
4electrode |
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range |
1 µS/cm~2 S/cm |
0.001 µS/cm~200 µS/cm |
0.0001 µS/cm~30 µS/cm |
1µ/cm~2 S/cm |
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Electrode constant |
K=0.475 cm-1 |
K=0.1 cm-1 |
K=0.01 cm-1 |
K=0.778 cm-1 |
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temperature compensation |
built-in |
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flow-through cell |
Optional |
Comes with |
Comes with |
Comes with |
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