K3MA-J AC/DC24

Process Meter

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Process Meter

Power supply voltage 24 VAC (50/60Hz)
24 VDC

Item list of K3MA-J

  • Ratings/Characteristics
Power supply voltage24 VAC (50/60Hz)
24 VDC
Allowable power supply voltage range85% to 110% of the rated power supply voltage
Power consumption24 VDC: 4.5 W max.
24 VAC: 4.5 VA max.
Current measurement input (Input type)DC current
Current measurement input (Indication range)Range 0-20: -2.00 to 22.00 mA
Current measurement input (Accuracy)Range 0-20:+/- 0.1% FS +/- 1 digit max.
Range 4-20:+/- 0.1% FS +/- 1 digit max.
(at 23 +/- 3 CEL)
Current measurement input (Input impedance)Range 0-20: 45 Ohm max.
Range 4-20: 45 Ohm max.
Voltage measurement input (Input type)DC voltage
Voltage measurement input (Measurement range)Range 0-5: 0 to 5 V
Range 1-5: 1 to 5 V
Range 5: +/- 5 V
Range 10: +/- 10 V
Voltage measurement input (Indication range)Range 0-5: -0.500 to 5.500 V
Range 1-5: 0.500 to 5.500 V
Range 5: +/- 5.500 V
Range 10: -11.00 to 11.00 V
Voltage measurement input (Accuracy)Range 0-5: +/- 0.1% FS +/- 1 digit max. (at 23 +/- 3 CEL)
Range 1-5: +/- 0.1% FS +/- 1 digit max. (at 23 +/- 3 CEL)
Range 5: +/- 0.1% FS +/- 1 digit max. (at 23 +/- 5 CEL)
Range 10: +/- 0.1% FS +/- 1 digit max. (at 23 +/- 5 CEL)
Voltage measurement input (Input impedance)Range 0-5: 1 MΩ min.
Range 1-5: 1 MΩ min.
Range 5: 1 MΩ min.
Range 10: 1 MΩ min.
Display method7-segment digital display
Digits5
Character height14.2 mm (green/red)
Zero suppressYes
Decimal point display positionSelected with parameters
Key protectOperation/Adjustment Lockouts / Setting Level Lockouts / Setting Change Lockout / Forced-zero Lockout
Filters functionAverage processing
Input Compensation functionForced-zero / Zero-limit
Display functionScaling / Teaching / Display Color Selection / Max./Min. Hold
Output functionComparative Output Pattern / Hysteresis
Other functionParameter initialization
Ambient temperatureOperating: -10 to 55 ℃
Storage: -20 to 65 ℃
Ambient humidityOperating: 25 to 25%
Storage: 85 to 85%
AccessoriesWatertight packing / Fixtures / Terminal cover / Unit stickers / Instruction manual
WeightApprox. 200 g
A/D conversion methodDouble integral method
Sampling period250 ms
Display refresh periodSampling period (sampling times multiplied by number of measurements for averaging if average processing is selected.)
Comparative output response time750 ms max.
Insulation resistance20 MOhm min. (at 500 VDC) between external terminals and case. Insulation provided between inputs, outputs and power supply.
Dielectric strength2,000 VAC 1min (between external terminals and case)
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 us/100 ns)
Vibration resistanceMalfunction: 10 to 55 Hz, Acceleration: 50 m/s**2, 5 min 10 sweeps each in X, Y, and Z directions
Shock resistanceMalfunction: 150 m/s**2, 3 times each in 3 axes 6 directions
Degree of protectionFront panel: NEMA4X for indoor use (equivalent to IP66)
Rear case: IP20
Terminals: IP00 + finger protection (VDE0106/100)
Memory protectionEE-PROM (non-volatile memory) Number of rewrites: 100,000
  • Dimensions

  • Terminal arrangement

  • Internal connections

Series

Process Meter

K3MA-J

about this Product