K3HB-RNB-A AC/DC24

Rotary Pulse Indicator

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Rotary Pulse Indicator, NPN input/voltage pulse input, Sensor power supply (12 VDC), 24 VAC/VDC

Power supply voltage	24 VDC 24 VAC 50/60 Hz
Input type	Pulse (NPN/voltage pulse input)
Digits	5 digit (-19999 to 99999)

Item list of K3HB-R

Ratings/Specifications
Dimensions
Connection diagram
Internal connection

Ratings/Specifications

As of July 25, 2024


Power supply voltage		24 VDC 24 VAC 50/60 Hz
Allowable power supply voltage range		85 to 110% of the power supply voltage
Power consumption		7 W max. (at maximum load)/11 VA max. (at maximum load)
External power supply		12 VDC ±10% 80 mA
Input type		Pulse (NPN/voltage pulse input)
Pulse measurement input	Function	F1: Rpm/circumferenitial speed/Instantaneous flowrate F2: Absolute raito F3: Error raito F4: Accuracy F5: Flow rate ratio F6: Passing time
	Contact input (dry contact input)	30 Hz max. ON/OFF pulse width of 15 ms min.
	No contact voltage pulse	50 kHz max. ON/OFF pulse width of 9 µs min.
	Voltage level	ON voltage: 4.5 to 30 V, OFF voltage: -30 to 2 V, input impedance: 10 kΩ
	Open collector	50 kHz max. ON/OFF pulse width of 9 µs min.
	Measurement range	F1 to F6: 0.5 mHz to 50 kHz (for voltage pulse/open collector sensors)
	Accuracy	F1, F6: ±0.006% rdg ±1 digit F2 to F5: ±0.02% rdg ±1 digit (23±5 ℃, for voltage pulse/open collector sensors)
Display	Display method	Negative LCD (backlit LED) 7-segment digital display
	Digits	5 digit (-19999 to 99999)
	Character height	PV: 14.2 mm (green/red) SV: 4.9 mm (green)
Insulation resistance		20 MΩ min. (at 500 VDC)
Dielectric strength		Between the entire external terminal and case: 2,300 VAC 1 min
Noise immunity		±1,500 V at power supply terminals in normal or common mode (waveform with 1-ns rising edge and pulse width of 1 µs/100 ns)
Vibration resistance		Malfunction: 10 to 55 Hz, Acceleration: 50 m/s², 5 min 10 sweeps each in X, Y, and Z directions
Shock resistance		Malfunction: 150 m/s², 3 times each in 3 axes 6 directions
Degree of protection		Front: NEMA4X for indoor use (equivalent to IP66) Case rear: IP20 Terminals: IP00 + finger protection (VDE0106/100)
Memory protection		EE-PROM (non-volatile memory) Number of rewrites: 100,000
Ambient temperature		Operating: -10 to 55 ℃ (with no freezing or condensation) Storage: -25 to 65 ℃ (with no freezing or condensation)
Ambient humidity		Operating: 25 to 85 %
Accessories		Waterproof packing, Fixtures, Terminal Cover, Unit label, Instruction manual
Weight		Approx. 300 g