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The Simpson Amik 300 (A300) is a compact multifunction meter with a graphical LCD touch screen display. The A300 is capable of measuring electric parameters like AC current, voltage, frequency, active energy import and active energy export, current demand, kW demand, kVA demand, and max current demand, max kW demand and max kVA demand.
| Reference conditions for Accuracy | |
| Reference temperature | 23°C +/- 2°C |
| Input waveform | Sinusoidal (distortion factor 0.005) |
| Input frequency | 50 or 60 Hz ±2% |
| Auxiliary supply voltage | Rated Value ±1% |
| Auxiliary supply frequency | Rated Value ±1% |
| Voltage Range | 50... 100% of Nominal Value. 60... 100% of Nominal Value for THD |
| Current Range | 10... 100% of Nominal Value. 20... 100% of Nominal Value for THD |
| Power | Cos phi / sin phi = 1 for Active / Reactive Power & Energy 10... 100% of Nominal Current & 50... 100% of Nominal Voltage |
| Power Factor / Phase Angle | 40... 100% of Nominal Current & 50... 100% of Nominal Voltage |
| Accuracy | |
| Voltage | ±0.5% of range |
| Current | ±0.5% of range |
| Frequency | ±0.15% of mid frequency |
| Active Power | ±0.5% of range |
| Re-Active Power | ±0.5% of range |
| Apparent Power | ±0.5% of range |
| Active energy (kWh) | ±0.5% of range |
| Re Active energy (kVArh) | ±0.5% of range |
| Apparent energy (kVAh) | ±0.5% of range |
| Accuracy of Analog Output | 1% of Output end value |
| Power Factor | ±1% of Unity |
| Angle | ±1% of range |
| Total Harmonic Distortion | ±1% |
| Input Voltage | |
| Nominal input voltage (AC RMS) | Phase –Neutral 63.5 / 133 / 239.6/ 254 VL-N Line-Line 110/230/415/ 440 VL-L |
| System PT primary values | 100VLL to 692kVLL programmable on site |
| Max continuous input voltage | 120% of rated value |
| Input Current | |
| Nominal input current | 5A AC RMS |
| System CT secondary values | 1A & 5A programmable on site |
| System CT primary values | From 1A up to 9999A (for 1 or 5 Amp) |
| Max continuous input current | 120% of rated value |
| Auxiliary Supply | |
| AC/DC Auxiliary Supply | 100V… 250 VAC DC +/- 10% |
| DC Auxiliary Supply | 12…..48 VDC +/- 10% |
| AC Auxiliary supply frequency range | 45 to 66 Hz |
| Overload Withstand | |
| Voltage | 2 x rated value for 1 second, repeated 10 times at 10 second intervals |
| Current | 20x rated value for 1 second, repeated 5 times at 5 min |
| Operating Measuring Ranges | |
| Voltage | 5… 120% of rated value |
| Current | 5 … 120% of rated value |
| Frequency | 40…70 Hz |
| Power Factor | 0.5 Lag ... 1... 0.8 Lead |
| Influence of Variations | |
| Temperature coefficient | 0.025%/°C for Voltage (50... 120% of rated value) and 0.05%/°C for Current (10... 120% of rated value) |
| Environmental | |
| Operating temperature | -20 to +70°C |
| Storage temperature | -30 to +80°C |
| Relative humidity | 0... 95% non condensing |
| Warm up time | Minimum 3 minute |
| Shock | 15g in 3 planes |
| Vibration | 10... 55 Hz, 0.15mm amplitude |
| Display update rate | |
| Response time to step input | 1 sec approx. |
| Applicable Standards | |
| EMC | IEC 61326 |
| Immunity | IEC 61000-4-3. 10V/m min – Level 3 industrial low level |
| Safety | IEC 61010-1-2001 , Permanently connected use |
| IP for water & dust | IEC60529 |
| Pollution degree | 2 |
| Installation category | III |
| High Voltage Test | 2.2 kV AC, 50Hz for 1 minute between all electrical circuits |
| VA Burden | |
| Nominal input voltage burden | < 0.2 VA approx. per phase |
| Nominal input current burden | < 0.6 VA approx. per phase |
| Auxillary Supply burden For VAC Aux. | < 6.5 VA approx. |
| For DC Aux. | < 3 W approx. |
| PT Secondary Ranges for Various Input Voltage | |
| Input Voltage | PT Secondary Settable Range |
| 110V L-L (63.5V L-N) | 100V – 120V L-L (57V – 69V L-N) |
| 230V L-L (133V L-N) | 121V – 239V L-L (70V – 139V L-N) |
| 415V L-L (239.6V L-N) | 240V – 480V L-L (140V – 277V L-N) |
| Ampere Hour | |
| Default pulse rate divisor | CT secondary = 1A Max pulse rate 3600 pulses/Ah * CT secondary = 5A Max pulse rate 720 pulses/Ah |
| Other Pulse rate Divisors (applicable only when Energy on MODBUS (RS-485) is in W) | |
| 10 | CT secondary = 1A Max pulse rate 3600 pulses/10Ah * CT secondary = 5A Max pulse rate 720 pulses/10Ah |
| 100 | CT secondary = 1A Max pulse rate 3600 pulses/100Ah * CT secondary = 5A Max pulse rate 720 pulses/100Ah |
| 1000 | CT secondary = 1A Max pulse rate 3600 pulses/1000Ah * CT secondary = 5A Max pulse rate 720 pulses/1000Ah |
| Pulse duration | 60 ms, 100 ms or 200 ms |
| *No. of Pulses = Maximum Pulses CT Ratio Where, CT Ratio = (CT primary/ CT Secondary) | |
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