K3MA-J-A2 AC/DC24

Process Meter

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24 VDC/24 VAC, 5 digit, Input: DC current DC voltage, Comparative output Contact (OUT1, OUT2)

Power supply voltage 24 VDC
24 VAC 50/60 Hz
Input type DC voltage/DC current
Digits 5 digit (-19999 to 99999)

Item list of K3MA-J

  • Ratings/Specifications
Power supply voltage24 VDC
24 VAC 50/60 Hz
Allowable power supply voltage range85% to 110% of the power supply voltage
Power consumption4.5 W max. (at 24 VDC)/4.5 VA max. (at 24 VAC)
Input typeDC voltage/DC current
Output typeJudgment output: Contact
Comparative output: OUT1, OUT2
Current measurement inputMeasurement range0-20: 0 to 20 mA
4-20: 4 to 20 mA
Indication range0-20: -2.00 to 22.00 mA
4-20: 2.00 to 22.00 mA
Accuracy±0.1% FS ±1 digit max.
Input impedanceApprox. 45 Ω
Voltage measurement inputMeasurement range0-5: 0 to 5 V
1-5: 1 to 5 V
5: ±5 V
10: ±10 V
Indication range0-5: -0.500 to 5.500 V
1-5: 0.500 to 5.500 V
5: ±5.500 V
10: ±11.000 V
Accuracy0-5: ±0.1% FS ±1 digit max.
1-5: ±0.1% FS ±1 digit max.
5: ±0.1% FS ±1 digit max.
10: ±0.1% FS ±1 digit max.
Input impedance1 MΩ min.
Judgment outputContact output2 output (SPST-NO)
Rated load: Resistive load: 5 A at 250 VAC
5 A at 30 VDC/Inductive load: 1 A at 250 VAC
1 A at 30 VDC
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)
A/D conversion methodDouble integral method
Sampling period250 ms
Comparative output response time750 ms max.
Insulation resistanceBetween external terminals and case. Insulation provided between inputs, outputs and power supply: 20 MΩ min. (at 500 VDC)
Dielectric strengthBetween external terminals and case: 2,000 VAC 1 min
Noise immunity±480 V at power supply terminals in normal mode ±1,500 V at power supply terminals in 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/s**2, 3 times each in 3 axes 6 directions
Degree of protectionHead on: NEMA4X 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℃
Storage: -25 to 65℃
Ambient humidityOperating: 25 to 85%
AccessoriesWaterproof packing, Terminal Cover, Unit label
WeightApprox. 200 g
  • Dimensions

  • Connection diagram

Nomenclature

Terminal arrangement

Input

Series

Process Meter

K3MA-J

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