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