KW2M Eco-POWER METER (Discontinued Products)
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Discontinued Products
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Rating/ Performance
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Dimensions
Discontinuation plan
Last time buy
September 29, 2023
We are sorry, the products have been discontinued. Please refer to the details of the discontinued products and the recommended substitutes list below.
Please note that due to various reasons, the order end date may be brought forward.
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Discontinued Products
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Rating/ Performance
General specifications
| Item | Specification | |
|---|---|---|
| Supply voltage range | 100-240V AC | |
| Rated frequency | 50 / 60Hz | |
| Nominal power consumption | 15VA approx. (240V AC at 25 ℃ +77 ℉) | |
| Inrush current | 30A or less (240V AC/DC at 25 ℃ +77 ℉) | |
| Allowable momentary power-off time | 10ms | |
| Ambient temperature | Operation | at -10 to +50 ℃ +14 to +122 ℉ |
| Storage | at -25 to +70 ℃ -13 to +158 ℉ | |
| Ambient humidity | 30 to 85%RH (at +20 ℃ +68 ℉) non-condensing | |
| Breakdown voltage (initial) | Between the isolated circuits: 2,000V / 1min | |
| a) enclosure ↔ all terminals b) primary insulated circuits ↔ secondary insulated circuits (Double insulation) • power supply terminals ↔ other terminals • voltage input terminals ↔ other terminals | ||
| Insulation resistance (initial) | Between the isolated circuits: 100 MΩ or more | |
| Vibration resistance | 10 to 150Hz (7.5 minutes/cycle) single amplitude:0.075mm (1h on 3 axes) | |
| 10 to 55Hz (1 minute/cycle) single amplitude:0.375mm (1h on 3 axes) | ||
| Shock resistance | Min. 294m/s2 (5 times on 3 axes) | |
| Display method | LCD with backlight | |
| Display updated cycle | 500, 1,000, 2,000, 3,000 ms (set with setting mode) | |
| Power failure memory method (when power is off) | Internal memory | |
| Sea level altitude | Under 2,000m | |
| Overvoltage category | III | |
| Pollution degree | 2 | |
| Dimensions W/H/D | Main unit | 85 x 140 x 65 mm 3.346 × 5.512 × 2.559 in |
| Expansion unit | 85 x 70 x 65 mm 3.346 × 2.756 × 2.559 in | |
| Weight | Main unit | 450 g approx. |
| Expansion unit (Power measurement) | 200 g approx. | |
| Expansion unit (Digital I/O, Multi analog input) | 140 g approx. | |
| Calender timer*1 | Range | January 1, 2015 00:00:00 to December 31, 2099 23:59:59 (leap year supported) |
| Time accuracy | Monthly accuracy Max. 15 sec. (at 25 ℃ +77 ℉) | |
| Back up period | About 1 month (by secondary battery when power off after 48-hours or more of power on time, at +23 ℃ +73.4 ℉) | |
*1 only KW2M-X
Measurement items (for AKW263100A, AKW264100A and AKW272100A)
| Item | Display data range | |
|---|---|---|
| Instantaneous power (Active, Reactive, Apparent) | -999.99P to 999.99P (W, var, VA) | |
| Total integral power (import) (Active, Reactive, Apparent) | 0.000k to 9999.9P (Wh, varh, VAh) | |
| Total integral power (export) (Active, Reactive) | 0.000k to 9999.9P (Wh, varh) | |
| Current | 0.000 to 999.99k (A) | |
| Voltage | 0.00 to 9999.9k (V) | |
| Power factor | -1.000 to 0.000 to 1.000 | |
| Frequency | 0.00 to 99.99 (Hz) | |
| Pulse count value | 0.000 to 999999 | |
| Power conversion value | 0.000k to 9999.9P | |
| Leakage current | 0.0000 to 99999.9999 (A) | |
| Power quality | Unbalanced current (Each phase) | 0.00 to 300.00 % |
| Unbalanced voltage (Each phase) | 0.00 to 300.00 % | |
| Current THD (total harmonic distortion) (Each phase) | 0.00 to 400.00 % | |
| Voltage THD (total harmonic distortion) (Each phase) | 0.00 to 400.00 % | |
| Current harmonics (2nd to 31st ) (Each phase) | 0.00 to 400.00 % | |
| Voltage harmonics (2nd to 31st ) (Phase, Line) | 0.00 to 400.00 % | |
| Hour Meter (ON-time, OFF-time, Stand-by time, Maintenance time) | 0.0 to 99999.9 h | |
| Present demand *1 | Active, Reactive, Apparent, Active (export), Reactive (export) | 0.000k to 999.99M (W, var, VA) |
| Current | 0.000k to 999.99k (A) | |
*'Display data range' is the range to be able to indicate with the main unit display, it is not a range that can be measured.
*If the voltage to be measured is not the rated frequency (commercial frequency), it may take time to stabilize THD (total harmonic distortion).
*1 Please use this demand function as your standard.
The demand value calculated with this function is not guaranteed.
Accuracy (for AKW263100A, AKW264100A and AKW272100A)
| Item | Specifications | |
|---|---|---|
| Electrical power | ±0.5% | Active power Compliant Class 0.5S (IEC 62053-22) Reactive power Compliant Class 2 (IEC 62053-23) |
| Current | ±0.2%*1 ±0.5% for 2(N)-phase of 1P3W and 2(S)-phase of 3P3W. | |
| Voltage | ±0.2% | ±0.5% for 2-phase of 1P3W, 3-1 voltage of 3P3W and line voltage of 3P4W. |
*1 When it measures current under 5% of rating, it may not satisfy the accuracy according to setting of CT. (Max.error 0.5%) The tolerance of CT sensor and VT(instrument voltage transformer) are not included.
Output specifications (for AKW263100A, AKW264100A and AKW274240A)
| Item | Specifications | |
|---|---|---|
| Number of output point | Main unit | 2 points (insulate between output terminals) |
| Expansion unit (Digital I/O) | 4 points (insulate between output terminals) | |
| Insulation method | MOSFET relay | |
| Output type | 1a | |
| Output capacity | 100mA, 30V AC/DC | |
| Output mode (OUT1/OUT2) | • Pulse by integral power • Output by alarm or events (set with setting mode) | |
Digital input specifications (for AKW263100A, AKW264100A and AKW274240A)
| Item | Specifications | ||
|---|---|---|---|
| Number of input point | Main unit | 1 point | |
| Expansion unit (Digital I/O) | 2 points | ||
| Insulation method | Designated insulation for input (insulate to the other functions) | ||
| Input method | Contact/ non-voltage a contact or open-collector | ||
| Input signal | Non-voltage | • Impedance; Max. 1kΩ (when short-circuit current: Max. 10mA) • Residual voltage when shorted; Max. 3V • Impedance when open: Min. 100kΩ | |
| Input mode | Pulse input Synchronized with input from outer device*1 Measure maintenance time*1 | ||
| Max. counting speed | 2000Hz / 30Hz | ||
| Min. input signal width | 0.25ms (when 2000Hz is set) / 16.7ms(when 30Hz is set) ON:OFF ratio=1:1 | ||
*1 Only KW2M-X
Analog input specifications (for AKW273230A)
| Item | Specifications | |
|---|---|---|
| Input channel | 3 channels | |
| Input range (select with setting mode) | Voltage | 0 to 60V |
| Current | 0 to 20mA / 4 to 20mA (set with setting mode) | |
| Resolution | 24bit | |
| Total accuracy | Within ±0.1%F.S.(at +25℃ +77 ℉), Within ±0.3%F.S.(at -10 to +50℃ +14 to +122 ℉) | |
RTD input specifications (for AKW273230A)
| Item | Specifications | |
|---|---|---|
| Input channel | 2 channels | |
| Input range | PT100 | -200.0 to +200.0 ℃ -128.9 to +93.3 ℉ |
| PT1000 | -200.0 to +200.0 ℃ -128.9 to +93.3 ℉ | |
| Resolution (24bit) | 0.1 ℃ | |
| Total accuracy | CH1 | Within ±0.3%F.S.(at +25 ℃ +77 ℉), Within ±0.5%F.S.(at -10 to +50 ℃ +14 to +122 ℉) |
| CH2 | Within ±0.5%F.S.(at +25 ℃ +77 ℉), Within ±1.0%F.S.(at +10 to +40 ℃ +50 to +104 ℉), Within ±1.5%F.S.(at -10 to +50 ℃ +14 to +122 ℉) | |
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Dimensions
- Unit: mm in
Tolerance ± 1.0 ± 0.04
AKW263100A / AKW264100A
Main unit
*1Use these hooks when connecting an expansion unit.*2Remove when connecting an expansion unit.
AKW272100A / AKW273230A / AKW274240A
Expansion unit
