K3MA-J AC/DC24

Process Meter

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Process Meter, DC voltage/DC current, 24 VAC/VDC

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
Dimensions
Connection diagram
Internal connection

Ratings/Specifications

As of March 14, 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		4.5 W max. (at 24 VDC)/4.5 VA max. (at 24 VAC)
Input type		DC voltage/DC current
Current measurement input	Measurement range	0-20: 0 to 20 mA 4-20: 4 to 20 mA
	Indication range	0-20: -2.00 to 22.00 mA 4-20: 2.00 to 22.00 mA
	Accuracy	±0.1% FS ±1 digit max. (23±3 ℃)
	Input impedance	Approx. 45 Ω
Voltage measurement input	Measurement range	0-5: 0 to 5 V 1-5: 1 to 5 V 5: ±5 V 10: ±10 V
	Indication range	0-5: -0.500 to 5.500 V 1-5: 0.500 to 5.500 V 5: ±5.500 V 10: ±11.000 V
	Accuracy	0-5: ±0.1% FS ±1 digit max. (23±3 ℃) 1-5: ±0.1% FS ±1 digit max. (23±3 ℃) 5: ±0.1% FS ±1 digit max. (23±5 ℃) 10: ±0.1% FS ±1 digit max. (23±5 ℃)
	Input impedance	1 MΩ min.
Display	Display method	Negative LCD (backlit LED) 7-segment digital display
	Digits	5 digit (-19999 to 99999)
	Character height	14.2 mm (green/red)
A/D conversion method		Double integral method
Sampling period		250 ms
Comparative output response time		750 ms max.
Insulation resistance		Between 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 strength		Between the entire external terminal 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 resistance		Malfunction: 10 to 55 Hz, Single amplitude 0.35 mm, 10 sweeps of 5 min 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: NEMA TYPE 4X for indoor use (equivalent to IP66) Case rear: IP20 Terminals: IP00 + finger protection (VDE0106/100) with terminal Cover
Memory protection		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 % (with no condensation)
Accessories		Waterproof packing, Terminal Cover, Unit label
Weight		Approx. 200 g