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   Speedmeter/Counter [Switching type]
CAN, 16bit analog output
Pocketable
Speedmeter/Counter
[Switching type]
 Speedmeter Instantaneous totalizer
Models SPD-4801
48x96 DIN
Output update0.1ms-
SPD-2401
24x48 DIN
Output update0.1ms-
SPDL-2401
Low cost
Output update40ms-
SPD-HD
Handheld high performance
TDP-4921/4931
Upward compatible with TDP-3921/3931
TDP-3921/3931 TDP-3941
High-speed F/V function with 1-pulse response
TDP-3621 PFC-4921
Simultaneous display output of speed and counter
Input frequency [Hz] 600μ-1M 600μ-4M
600μ-1M[A/B phase]
600μ-100k 0.1-30k 6m-500k 0.01-4M
0.01-1M[A/B phase]
Input method Single phase, A/B phase, UP/DOWN, direction Single phase, A/B phase, UP/DOWN Single phase Single phase, A/B phase, UP/DOWN
Logic Supported Supported Supported Supported Supported Supported Supported Supported Supported
Zero cross Supported Supported Supported Supported Supported Supported Supported Supported Supported
Line driver Supported Supported Supported Supported Supported - Supported Supported -
16-bit analog output
update times
0-10V, 0-5V, ±10V, ±5V, 4-20mA 0-10V, 1[0]-5V, ±10V, 4[0]-20mA ±10V 0-10V, 0-5V
1-5V, 4-20mA
0-10V, 1[0]-5V
±10V, 4[0]-20mA
0.1-9999.9ms 40-9999.9ms 0.1-9999.9ms 0.5ms-99.999s 1ms-99.999s   1ms-19.999s 1ms-
Alarm output 2 / 4 2 2 / 4 2 3 4
Digital communication Output update time CAN, USB, RS-485, Modbus CAN, USB, RS-485,
RS232C,Ethernet
1-9999.9ms
RS232C, RS-485,
BCD(open collector/CMOS,TTL)
Display/analog update synchronization
- RS232C, BCD,
RS-485
RS232C
1-9999.9ms 40-9999.9ms
Power supply[V] AC100-240
DC12-30
DC7-60
USB:5
DC7-30
USB:5
AA batteries x 4 pcs./
Included AC adapter
AC100-240
DC9.6-30
AC100,115,200,230
DC9.6-30
AC100-240 AC100-240/
DC12-48
AC100-240
DC9.6-30
Dimensions mm W96 H48 D99 W48 H24 D106 W94 H33.5 D152 W96 H48 D150 W96 H48 D99.5 W96 H48 D150
Sensor power supply 5V / 12V
Price in JAPAN: Yen
[excluding tax, options]
35,800~ 28,100~ 14,100~ 82,500~ 70,400~ 110,000~ 231,200~ 54,100~ 75,000~
*Prices are as of February 2024