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TetraCon®325

301971 TetraCon® 325-6

4-electrode conductivity cell with built-in temperature sensor, 6 m (19.8 ft) cable and waterproof plug, cell constant K = 0.475 cm-1.
4电极电导池,内置温度传感器,6米(19.8英尺)电缆和防水插头,池常数K=0.475 cm-1。
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  • Four electrode conductivity cells for universal applications

    Conductivity measuring cells with graphite electrodes with four electrodes for standard measurements in aqueous solutions in the field and in the lab

    • No measuring errors due to cable, polarization effects or changes of the electrical boundary field
    • Highest precision and linearity
    • Long-term stable cell constant thanks to graphite electrodes

    Four -electrode conductivity cell with built-in temperature sensor, IP 68 (2 bar), cell constant K = 0.475 cm-1

    TetraCon® 325:          1.5 m cable and waterproof plug
    TetraCon® 325-3:       3 m cable and waterproof plug
    TetraCon® 325-6:       6 m cable and waterproof plug
    TetraCon® 325-10:    10 m cable and waterproof plug
    TetraCon® 325-15:    15 m cable and waterproof plug
    TetraCon® 325-20:    20 m cable and waterproof plug

    Model

    LRD 01

    LRD 325

    LR 325/01

    LR 325/001

    TetraCon® 325

    TetraCon® DU/T

    Order No.

    302220, 302222

    302225, 302229

    301961

    301962

    301960, 301970, 301971

    301252

    Measuring principle

    2 electrodes measuring cell

    4 electrodes measuring cell

    2 electrodes measuring cell

    4 electrodes measuring cell

    Measuring Range

    0.001 µS/cm ... 200 µS/cm

    1 µS/cm ...
    2 S/cm

    0.001 µS/cm ... 200 µS/cm

    0.0001 µS/cm ... 30 µS/cm

    1 µS/cm ...
    2 S/cm

    Cell constant

    0.1 cm-1, ±2%

    0.475 cm-1, ±1.5%

    K = 0.1 cm-1

    K = 0.01 cm-1

    K = 0.475 cm-1

    K = 0.778 cm-1

    Resolution

    Depends on measuring range

    Temperature sensor

    Integrated NTC

    Temperature Measurement

    0 °C ... +130 °C

    0 °C ... +100 °C

    -5 °C ... 80 °C

    0 °C ... 60 °C

    Maximum pressure

    14 bar (at 20 °C)

    10 bar (at 20 °C)

    2 bar

    Electrical Connection

    Integrated PU connection cable with 7-pole screw plug (IP 65)

    Integrated cable mit 8-pole plug

    8-pole socket for cable KKDU 325

    Mechanical

    Shaft

    Stainless steel 1.4571

    Epoxy

    POM

    Kable gland

    Brass, nickel-plated

    Connection head

    POM

    Electrodes

    Stainless steel 1.4571

    Graphite

    Stainless steel 1.4571

    Graphite

    Protection Rating

    IP65

    IP68
    (Sensor and cable)

    IP65
    (when connected)

    (when connected)

    (Measuring cell until immersion length)

    Weight (without cable)

    Approx. 350 g

    Approx. 300 g

    Approx. 135 g

    Approx. 280 g

    Approx. 135 g

    Approx. 170 g

    Warranty

    2 years on defects in quality according to § 10 terms of conditions

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