Hioki 2304-20, Instruction Manual

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31
5.1 Basic Specifications
Specifications
Chapter 5
5.1 Basic Specifications
Number of inputs
Voltage/contact pulse input × 1 channel
Simultaneous detection on 2 channels is also
possible.
Clamp-type current pulse input × 1CH
(Detected using externally connected 9766
CLAMP ON SENSOR.)
Measurement
range
Voltage/contact pulse up to 4 kHz
• Voltage pulse
A pulse is counted when the voltage level
changes from L to H.
L: +0.0 to +0.2 V
H: +1.5 to +45 V
(Logic in the range from +0.2 to +1.5V is
indefinite.)
• Contact pulse:
A pulse is counted when the circuit
between the terminals changes from a
short circuit to an open circuit.
• Current pulse
Detected current range10 to 20 mAp-p
Pulse width
12.5 ms or more
Pulse interval 25 ms or more, 40
Hz max.
Rise/fall speed 0.8 ms or less
With the 9766 CLAMP ON SENSOR, in a
magnetic field of 50 A/m AC or less
Filter
Effective for voltage/contact pulse input (set
by a command).
• For mechanical contact
Pulse width: 20 ms or more
Pulse separation: 40 ms or more
(Frequency: 25 Hz or less)
No filter for current pulse input