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Products Location:Home>>Products>>Instruments>>Frequency/Linespeed/Tachometer
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Key setting, can measure frequency, tacho, line-speed, count and length
Two stage of parameter free setting
Input and output is optical isolated, high anti-noise
Increase and decrease counting is for option, can be used with encoder
4, 5, 6 digit display, auxiliary power supply for the sensors
2 alarms output, multi types of output mode for option
Free select one measured signal with analogue 4-20mA
Can be with RS485 communication interface, MODBUS or RTU protocol for option

Power supply 90-260V AC  50/60Hz, consumption<5W
Counting speed <4000 CPS
Input signal Pulse, Square wave, Sine wave, 5V
Counting range -1999-9999(4 digit)  -19999-99999 (5 digit)    -199999-999999( 6 digit)
Rate setting range 0.001-9999, 99999, 999999
Input impedance >10K Ohm
Relay output mode R, N, C F, H, L (counter)   Up, down alarm (frequency),  Capacity AC 250V/3A,  DC 30V/3A
Auxiliary power DC 12V    50mA max.   DC 24V   50mA max.
Analogue 4-20mA or 0-10mA   for option by software
Insulation strength AC 1500  1min   (between the housing and the terminals)
Insulation resistance >100m Ohm    (between the housing and the terminals)
Operate environment Temperature 0-50 degrees, Humidity 35-85% RH

Input:1:1 loop of pulse input 2:2 loops of pulse input
Auxiliary Power:Default:Without A:12V DC B:24VDC
Communication:Default:Without communication 2:RS232 4:RS485
AL2:N:No alarm 2 R:Relay S:SSR/Logic T:SCR
AL1:N:No alarm 1 R:Relay S:SSR/Logic T:SCR
Measuring:L:Frequency, line-speed, tacho C:Counter, length
Display:4:4 digit display 5:5 digit display 6:6 digit display
Power supply:Default:110/220V AC 50/60 Hz
E:24V DC 10% more or less
Size:4:48x48mm 7:72x72mm 8:48x96mm
FH Series Smart Frequency/Line-speed/Techometer/Counter

For example, FH4E-4LNRB2 means it is a meter in 48x48mm size, power supply 24V DC, 4 digit display, measuring frequency, line-speed and tacho, 1 relay alarm output, with 24V DC auxiliary power, 2 loops of pulse input.

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