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Rotation, Speed, and Flow Indicators/Direction Alarm Indicator K3MA-F

Rotation, Speed, and Flow Indicators/Direction Alarm Indicator K3MA-F

[Features]
· Includes 2-color backlight LED (red/green).
· Achieves high visibility with a negative LCD display.
· Supported input: contact, NPN, PNP, voltage pulse.
· Simple setting with front key operation.
· Equipped with an averaging function for suppression of flickering.
· Equipped with scaling, auto zero time and start-up compensation timer functions.
· MAX/MIN display can be checked.
· Short body size with depth (under neck) of 80 mm.
· Equipped as standard with a terminal cover for electric shock prevention.
· The front has a waterproof and dustproof structure compliant with protective structure NEMA4X (IP66 equivalent).
· Certified under UL standards (mark license certified).
· CE marking compliant.
· Built-in external power supply (DC12V40mA).

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Rotation / Speed / Flow Rate Indicator / Indicator Alarm Meter K3MA-F Specifications

Rotation / Speed / Flow Rate Indicator / Indicator Alarm Meter K3MA-F: related image

K3MA-F external appearance

Rotation / Speed / Flow Rate Indicator / Indicator Alarm Meter K3MA-F: related image

K3MA-F dimensional drawing
Units: mm

*Terminal is M3. Terminal cover is included.

Rotation / Speed / Flow Rate Indicator / Indicator Alarm Meter K3MA-F: related image

K3MA-F main display character size
Units: mm

Rotation / Speed / Flow Rate Indicator / Indicator Alarm Meter K3MA-F: related image

K3MA-F panel processing dimensional drawing
Units: mm

*Mounting panel thickness is 1 to 8 mm. Mount horizontally.

K3MA-F Type

External ShapeInput TypeOutput TypePower Supply Voltage
100 to 240 V AC (50/60 Hz)24 V AC (50/60 Hz), 24 V DC
96 (W) × 48 (H) × Depth 80 mmRotation Pulse InputNASeries K3MA-F AC100-240VSeries K3MA-F AC/DC24V
Relay contact output (2 output, each 1a)Series K3MA-F-A2 AC100-240VSeries K3MA-F-A2 AC/DC24V

K3MA-F Rating

Power Supply Voltage100 to 240 V AC Type:
100 to 240 V AC (50/60 Hz)
24 V AC/V DC Type:
24 V AC (50/60 Hz), 24 V DC
Allowable Voltage Range85 to 110% of power supply voltage
Power Consumption
(At Maximum Load)
6 VA or less4.5 VA or less (at 24 V AC)
4.5 W or less (at 24 V DC)
External Power Supply12 V DC (±10%) 0 to 40 mA
Insulation Resistance20 MΩ or more (at 500 V DC megger)
Between external terminals and case, between input, output, and power supply
Withstand Voltage2,000 V AC or more, 1 min, between external terminals and case
Noise ResistancePower supply terminal normal / common mode ±1,500 V,
rise 1 ns wave ±1 μs, 100 ns
Power supply terminal normal mode ±480 V,
power common mode ±1,500 V,
rise 1 ns wave ±1 μs, 100 ns
Vibration-ResistantFrequency: 10 to 55 Hz, half amplitude: 0.35 mm,
5 min each in X, Y, Z directions × 10 sweeps
Shock-Resistant150 m/s2 (however, 100 m/s2 for relay contact),
3 axes, 6 directions, 3 times each
Operating Temperature RangeWhen In Use-10 to +55°C (No Freezing Or Condensation)
When Stored-25 to +65°C (No Freezing Or Condensation)
Operating Humidity RangeWhen In UseRelative Humidity 25 to 85% (No Condensation)
Main Body MassApprox. 220 g

K3MA-F Performance

Input SignalNon-voltage contact (30 Hz max. ON/OFF pulse width 15 ms or more)
Voltage pulse (5 kHz max. ON/OFF pulse width 90 μs or more, ON voltage: 4.5 to 30 V / OFF voltage: 0 to 2 V, input impedance: 10 kΩ)
Open collector (5 kHz max. ON/OFF pulse width 90 μs or more)
Measurement Accuracy
(at 23±5°C)
±0.1% FS ±1 digit or less
Measurement MethodPeriodic Measurement Method
Connectible SensorResidual voltage when ON: 2.5 V or less
Leak current when OFF: 0.1 mA or less
Load current: Must have an opening/closing capacity of 15 mA or more, and secure switching of a load current of 5 mA or less must be possible
Maximum Number Of Display Digits5 Digits (-19,999 to 99,999)
Display7-Segment Digital Display
Polarity Display"-" is automatically displayed when the input signal is negative
Zero DisplayUpper Digit Zero Suppression
Scaling FunctionProgram method (display range conforms to the maximum display digit)
Decimal position can be set as desired
Hold FunctionMAX Value Hold, MIN Value Hold
Comparison Output Hysteresis SettingProgram Method With Front Keys (0001 To 9999)
Other FunctionsScaling teach function
Display color switching (green [red] / green / red [green] / red)
Comparison type switching (upper limit / lower limit / upper and lower limit)
Averaging processing function (simple average OFF/2/4/8 times)
Auto zero time, start-up compensation timer, setting change protection function, set value initialization, display automatic recovery time
Output FormatRelay contact output (2a output)
Comparison Output Answer Time750 ms or less
Protective StructureFront: NEMA4X compliant for indoors (IP66 equivalent)
Rear case: IP20
Terminal: IP00 + finger protection (VDE0106/100) (when terminal cover is installed)
Memory ProtectionNon-volatile memory (number of writes: 100,000 times)

Refer to the catalog for product information not listed above.

Part Number
K3MA-F-A2 AC100-240
K3MA-F AC100-240
Part NumberMinimum order quantityVolume DiscountDays to ShipOutput Type Number of Outputs
1 Piece(s) Same day Relay contact output (1a)2
1 Piece(s) Quote NA-

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Basic Information

Mounting Method Panel Mount Panel cut dimensions 92x45 Standard CE / UL / CSA
Dimension length(mm) 48 Dimension width(mm) 96 Dimension thickness(mm) 80
Input Type NPN/voltage pulse/PNP Communication Type NA Power Supply Voltage(V) AC 100–240
Calculation function Scaling Display Digits 5 digits MAX measurement speed Maximum 5kHz
Protective structure (front) NEMA4X (corresponding to IP66)

Tech Support

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