Display |
Display |
Liquid crystal, 7-segment, 5-digit indication |
Measurement Display Time |
1s, automatically repeated |
Measurement accuracy |
±1
r/min |
Battery Replacement Warning |
When the battery voltage drops
below 3.3V, "B" mark appears in the upper right on the display. |
Signal Indicator |
LED is flashing when signals are input |
Analog Output |
Output Voltage |
0 to 1V/0 to 10000 r/min (F/V conversion method) |
Linearity |
±0.5%
/ full-scale or better |
Response |
0.5s / 10 to 90% or better |
Ripple |
5mVp-p / 400 r/min max. |
Connectable Load Resistance |
2kΩ min. |
Offset Voltage at zero point |
±0.5%
/F.S max. |
Offset Drift |
±0.5%
/F.S / °C max. |
Span Drift> |
±0.05%
/F.S / °C max. |
Pulse Output |
Logic |
Positive logic |
Pulse Width |
Rectangular pulses with 3.9±0.1ms |
No. of Output Pulse |
1 pulse every two rotations of the engine |
Output Signal Level |
Lo : 0.5V max. Hi : 4.5V min |
Connectable Load Resistance |
1kΩ min. |
Power/Battery life |
3 type AA batteries
/ approx. 10 hrs
(when using manganese dry batteries, at 20°C)
AC adaptor (option) |
Operating Temperature Range |
0 to +40°C |
Storage Temperature Range |
-10 to +55°C |
Weight |
approx. 400g
(including batteries) |