The current output characteristic for pulse isolator can be additionally limited to a programmable value when the input signal is below the specified threshold. This option is designed to overcome possible issues with low (or negative) flow values and enables the setting or limiting of the current output to a specific low level under these conditions.
The Leak flow threshold can be set between 0.75 to 20% of the input signal range and the output current value assigned to this option can be set between 2.000 to 4.999mA. The hysteresis has fixed value of 1% and the switching points will be evaluated as “threshold - 0.5 hysteresis” and “threshold + 0.5 hysteresis”.