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Tachometer / Ratiometer

Tachometer

MODEL 460C

  • ■ Display value can be shown by adjustable function as optional setting.
  • ■ Display is stable because of moving average function.
  • ■ Available with peak/bottom memory function.

Operation manual

Standard Specifications

Model Designation

460C

General Specifications

Input Open collector (NPN)
Contact capacity DC 12 V, 10 mA
Frequency 0.1 Hz to 30 kHz
Minimum pulse width More than 15µs
No-voltage contact
Contact capacity DC 12 V, 10 mA
Frequency 0.1 Hz to 30 Hz
Minimum pulse width More than 15ms
Voltage pulse input
“L” = 0 to 2.0 V
“H” = 4.5 to 30 V
Frequency 0.1 Hz to 30 kHz
Minimum pulse width More than 15 µs
Sine wave (Magnetic sensor)
Less than 100 Hz More than 0.3 Vp-p
Less than 1 kHz More than 1.5 Vp-p
Less than 10 kHz 6 V to 30 Vp-p
Frequency 10 Hz to 10 kHz
Display 0 to 99999, 5 digit, Red LED (character height 15 mm) with zero-suppress function.
Over-range display When exceeded 99999, flashing with -----.
Signal indication This light is lit when inputting the signal.
Display selection Either one of present value, bottom memory value or peak memory value is selected and displayed.
PM light during peak memory value display.
BM light during bottom memory value display.
Display cycle Approx. 1s
Sensor power supply DC 12 V ± 5%  100 mA
Accuracy ±0.01%  ±1 digit (23 ± 5°C)
Measuring method Periodic computation method.
Power supply AC 100 to 240 V   50/60 Hz
Tolerance of source voltage AC 90 to 250 V
Power consumption Approx. 7 VA at AC 100 V
Approx. 9 VA at AC 200 V
Operating temperature 0 to 50°C
Storage temperature -20 to 70°C
Noise rejection Power source line mixing noise 1000 V
Insulation resistance DC 500 V, More than 100 MΩ
Withstand voltage Input terminal - external case: AC 1500 V  1min.
Weight Approx. 300 g

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