Rion VM-83, Instruction Manual, Page: 52 / 106

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Comparator
Comparator output
The comparator output has three elements.
(1) Buzzer is heard (long intermittent beeps). This applies only if the
buzzer function has been set to ON with menu 8.
(2) LCD display fl ashes.
Measurement value indicator section fl ashes in 0.5 second intervals.
(3) Open collector circuit operates, causing the comparator output ter-
minals on the rear panel to close.
Circuit block diagram
Maximum drive current: 50 mA (when applied voltage is 24 V)
25 mA (when applied voltage is 12 V)
10 mA (when applied voltage is 5 V)
Maximum applied voltage: 24 V