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K3MA-F-A2 AC100-240

Frequency/Rate Meter

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Frequency/Rate Meter, Rotary pulse, Relay contact, 100 to 240 VAC

Power supply voltage 100 to 240 VAC 50/60 Hz
Input type Rotary pulse (No-voltage contact/NPN/PNP/Voltage pulse)
Digits 5 digit (-19999 to 99999)

Item list of K3MA-F

  • Ratings/Specifications
Power supply voltage100 to 240 VAC 50/60 Hz
Allowable power supply voltage range85 to 110% of the power supply voltage
Power consumption6 VA max. (at maximum load)
External power supply12 VDC ±10% 0 to 40 mA
Input typeRotary pulse (No-voltage contact/NPN/PNP/Voltage pulse)
Output typeJudgment output: Contact
Comparative output: OUT1, OUT2
Pulse measurement inputNo-voltage contact30 Hz max. ON/OFF pulse width of 15 ms min.
Voltage pulse5 kHz max. ON/OFF pulse width of 90 µs min.
Voltage levelON voltage: 4.5 to 30 V, OFF voltage: 0 to 2 V, input impedance: 10 kΩ
Open collector5 kHz max. ON/OFF pulse width of 90 µs min.
Measurement range30 Hz: 0.05 to 30.00 Hz
5 kHz: 0.05 to 5000 Hz
Accuracy±0.1% FS ±1 digit max.
(23±5 ℃)
Judgment outputContact output2 output (SPST-NO)
Rated load: Resistive load: 250 VAC 5 A (cosφ=1)/5 A at 30 VDC, Inductive load: 250 VAC 1 A (cosφ=0.4)/30 VDC 1 A (L/R=7 ms)
Minimum applicable load: 10 mA at 5 VDC (failure level: P Reference value)
Life expectancy: 100,000 operations min. (Electrical)/5,000,000 operations min. (Mechanical)
DisplayDisplay methodNegative LCD (backlit LED) 7-segment digital display
Digits5 digit (-19999 to 99999)
Character height14.2 mm (green/red)
Comparative output response time750 ms max.
Insulation resistanceBetween the entire external terminal and case: 20 MΩ min. (at 500 VDC)
Between inputs, outputs, and power supply: 20 MΩ min. (at 500 VDC)
Dielectric strengthBetween the entire external terminal and case: 2,000 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 resistanceMalfunction: 10 to 55 Hz, Single amplitude 0.35 mm, 10 sweeps of 5 min each in X, Y, and Z directions
Shock resistanceMalfunction: 100 m/s2, 3 times each in 3 axes 6 directions
Degree of protectionFront: NEMA TYPE 4X for indoor use (equivalent to IP66)
Case rear: IP20
Terminals: IP00 + finger protection (VDE0106/100) with terminal Cover
Memory protectionNon-volatile memory (Number of rewrites: 100,000)
Ambient temperatureOperating: -10 to 55 ℃ (with no freezing or condensation)
Storage: -25 to 65 ℃ (with no freezing or condensation)
Ambient humidityOperating: 25 to 85 % (with no condensation)
AccessoriesWaterproof packing, Terminal Cover, Unit label
WeightApprox. 220 g
  • Dimensions

  • Connection diagram

Terminal arrangement

  • Internal connection

Series

Frequency/Rate Meter

K3MA-F