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Neptune Voltmeter, Ammeter, Frequency Energy Meter
VOLTMETER, AMMETER, VIF, Hz, Pf, KWh, KW Meter - TECHNICAL SPECIFICATION
| Auxiliary Supply |
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110V model (Range 85-130V) |
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240V model (Range 180-270V) |
| Burden |
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0.2 VA max. Per input for voltage & current signals |
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3 VA max. on auxiliary supply |
| Accuracy |
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Class 1.0 for Volt/Ammeter/KWh/PF Meter (Class 0.5 on |
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request) for
Hz 0.1% of full scale |
| Display |
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0.5 inches, 7 Segment super bright LED s/ |
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4 digit, 0.35 inches, 7 Segment for Hz Meter in 3 phase |
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combined meter/ |
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6 digit, 0.35 inches, 7 segment display for Digital Led KWh |
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meter/ |
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6 digit tamper proof non- resetable mechanical counter |
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for KWh meter. |
| Computation |
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True RMS for all Power & Energy Parameters. |
| Frequency Range |
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45 – 55Hz |
| Power Factor |
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0.5 Lag – 1-0.8 Lead |
| Resolution |
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1 count for Voltmeter / KW Meter |
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0.01 for frequency Meter & PF Meter |
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0.1 for CT ratio < 100 A |
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1 count for CT ratio > 100A – 1000A |
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0.01 kA for CT ratio > 100A |
| Inputs |
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Volts – 0-500V AC |
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Amps – 0.25 – 6.0A for 5A model |
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0.05 – 1.2 Amps for 1A model |
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Freq. 30-500V AC |
| Burdune of isolated |
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24 DC, 100mA max. |
| Output for KWh Meter pulse width |
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| of isolated output |
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Approx. 500m sec. |
| Ambient |
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0-50 0 C |
| Humidity |
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< 95% non-condensing |
| Weight |
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Approx – 500 gms. |
| Dimension |
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96 x 96 x 80 mm |
| Panel Cutout |
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(90 + -0)mm x (90 + -0)mm |
| Mounting |
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Flush mounting with side clamps. |
COMMUNICATION DETAILS
RS485 Computer Interface Modbus Protocol. EARTH LEAKAGE RELAY
| Auxiliary Supply |
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Nominal 110/240V AC + 25% |
| Leakage Current Range |
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30mA – 300mA |
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300mA – 3A |
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1A-10A |
| CBCT ID |
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60mm & above (max.200 for 300mA range) |
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Rectangular CBCT on request. |
| Relay Contacts |
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Normally de-energized / Normally energized (Programmable) |
| Delay |
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0.1-9.9 secs (Programmable) |
| Reset |
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Auto/Manual site selectable |
| Output Relay |
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5A at 230V AC 2C/O |
| Dimensions |
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96 x 96 x 80 mm for flush mounting |
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Cutout : (90 + 0)mm x (90 + 0) mm |
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50 x 50 x 100 (height)mm for Din rail (35mm) |
| Weight |
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Approx. 500gms |
| Ambient |
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0-50 0 C Humidity < 95% non-condensing. |
* LP- List Price inclusive of excise duty but
exclusive of sales tax or any other taxes.
For Improved power quality and reduction in energy costs. |
