Hach-Lange 3400 sc - Manual (Page 43)

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Additional information for series 34xx sensors
A.3 Additional information for series 3494 sensors
This additional information is only applicable for sensors of type 3494.
For all other information necessary for the operation of the sensors, please see the
operating instructions for the analysis systems installed.
A.3.1 Technical data for the 3494 sensors
A.3.2 Installation of the sensors
For the necessary information please see the operating instructions for the gateway.
A.3.3 Installation of the sensor in the flow of sample
For the necessary information please see the operating instructions for the gateway.
Series 3494
Maximum sample temperature 150 °C (at 10 bar)
Maximum sample pressure 25 bar (at 100 °C)
Cell constant K
Temperature sensor
0.01 cm –1 , ± 2 %
0 µS/cm ...20 µS/cm, ±1 %
± 0.15 °C
Materials
Body (top part)
Inner electrode
Outer electrode
Isolator
Sealing ring
Connector Stainless steel 316 L, (Ra < 0.4 µm)
Stainless steel 316 L, (Ra < 0.4 µm)
Stainless steel 316 L, (Ra < 0.4 µm)
PEEK * (FDA approved)
EPDM *(FDA approved)
Glass-fibre reinforced polyester / IP 65
* In contact with the liquid medium