The Single Phase Portable Reference Standard (SPRS-1102) from SANDS is a portable meter test equipment that helps to calibrate the error present in the single-phase energy meter i.e. the meter under test (MUT). The SPRS supports both static and electro-mechanical types of meters. It can also be used to compute the voltage, current, energy, phase angle etc of the meter under test. It has an LCD display and an alphanumeric keypad to suit the user. It can be interfaced with the PC for analysis. It has the capability of storing 1000 test results.
| Electrical | |
|---|---|
| Voltage | 85 to 260V AC, 1φ, (47Hz to 63Hz) or 120V to 370V DC |
| Current | 100 mA to 10Amps-ring Ct |
| 200 Ma to 60A -clamp-on CT | |
| Frequency | 50Hz ± 10% |
| Voltage burden | Less than 8VA |
| Current burden | Less than 1VA |
| Power factor | Zero lag – Unity – Zero lead |
| Accuracy | |
| With ring Ct | 0.2/0.2S |
| With clamp-on CT | 0.5/0.5S / 0.2/0.2S |
| Display | |
| Format | 4 lines * 20 characters |
| Daylight visibility | Backlit LCD |
| Display resolution & Parameters | |
| Voltage | 0.01 |
| Current | 0.001 |
| Power factor | 0.001 |
| Frequency | 0.001 |
| Energy | 0.0001 |
| Error percentage | 0.01% |
| Keyboard | |
| Type | Sealed membrane (Tactile) |
| Number of keys | Alphanumeric keypad with separate keys for alphabets & numbers |
| Memory | |
| 1000 test results along with meter, consumer information | |
| Optical Scanner | |
| Led pulse for electronic meters | |
| Rotor mark for electromechanical meters | |
| Communications | |
| RS-232 port | |
| Mechanical | |
| Dimension | Not exceeding 250 mm*100 mm* 60 mm |
| Weight | less than 0.5Kg |
| Enclosure | High strength moulded ABS |
| Environmental Specification | |
| Operating Temperature range | -10 C to 50 C |
| Storage Temperature range | -25 C to 70 C |
| Relative humidity | 95% non condensing |
| Degree of Protection | IP 52 |
| Standards | |
| IEC 60687 | |
| IS 12346 | |
| IS 14697 | |
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