Hach 3700 Series Basic User Manual page 26

Measurement points
Between red and yellow wires
Between blue and white wires
Between green and yellow wires
Between white and shield wires
If one or more of the measurements is incorrect, call technical support. Supply technical support with
the serial number of the sensor and the resistance values measured.
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An infinite value (open circuit) or 0 ohms (short circuit) identifies a failure.
26 English
Table 7 Conductivity resistance measurements
Resistance
1090–1105 ohms at 23–27 °C
Less than 5 ohms
Less than 5 ohms
Infinite (open circuit)
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