Surge Arrestor Testing Equipment (3)
SA 30i+
SA 30i+, the wireless Leakage Current Analyser from SCOPE is a State of the Art, On-line test system for Residual Life Assessment of Metal Oxide Surge Arresters. The instrument measures and directly displays the values of Total Leakage Current and Third Harmonic Resistive Leakage Current. It provides system harmonic compensation as per IEC 60099-5-B2. It provides Corrected Resistive Leakage Current after applying correction factors for change in system voltage & temperature.
The SA 30i+ can be pre-loaded with the LA identity details (LA Identification, Type, Serial Number,Location, Rated Voltage etc.) and tests conducted on the same ID of the arresters are saved under the same folder. Trend analysis software, SAData picks up this data and stores them in a similar fashion on a PC. This analysis software enables the user to take a decision to repair/replace the arresters considering safety limits.
SA 30i+ is designed to work under the hostile electrostatic noise found in live EHV switch yards upto 765 kV
Features
- Safe Online measurement due to wireless CT and Field Probe
- In built temperature measurement facility enables calculation of temperature corrected leakage currents.
- Correction of results to rated voltage of LA to eliminate eff ect of change in system voltage.
- Date and time stamp on test results Results are displayed on large font, Big, back-lit LCD, printed on in-built thermal printer and can be stored in memory of the instrument.
- SA 30i+, CT unit and Field Probe unit are powered by easily available re-chargeable Lithium-ion batteries. It works for a day’s testing needs on a single charge
- The SA 30i+ is a switchyard compatible instrument. This makes the instrument extremely convenient to use.
- Built-in standard calibration source and self-calibration check facility
- USB communication port to transfer data to PC and Windows based PC Downloading & Analysis Software.
- Facility for testing of GIS LAs available optionally
Specifications
| Parameter | SA30i+ |
| Total Leakage Current Range | 1 μA to 20 mA |
| Resistive Leakage Current Range | 1 μA to 20 mA |
| Resolution | 1 μA |
| Accuracy | Value ± 5% ± 1 μA |
| Inputs | Wireless Clamp on CT and Wireless Field Probe optional external field PT Input (Voltage Peak method as per IEC 60099-5-A1 for GIS) |
| Display | 4 line x 20 character large backlit LCD with large font |
| Compensation | Automatic for System Harmonics, Temperature & System Voltage |
| Temperature Sensor |
Inbuilt Platinum Resistance Thermometer |
| Self-calibration Check | Available |
| PC Connectivity | USB Port (Standard), RS 232 & Ethernet (Optional) |
| Memory | Storage capacity of 2000 results |
| Printer | 58mm Inbuilt Thermal Printer |
| Power |
Battery as well as Mains powered Main Unit Battery powered CT and FP Units |
|
Internal Battery |
SA30i+ - 11.1 V / 4400mAh Internal Rechargeable battery, CT Unit - 11.1 V / 2200mAh Rechargeable battery, Field Probe Unit - 11.1 V / 2200mAh Rechargeable battery. 8 hours Battery life with full charge |
| Mains Supply | 88 to 264 VAC, 47 to 63 Hz, Single Phase |
| Battery Charger | Inbuilt in Main Unit, Connection to CT and Field Probe Provided |
| Dimension
|
SA30i+ - 350 x 295 x 150 mm, CT Unit - 366 x 85 x 43 mm, Field Probe Unit - 340 x 95 mm Cylindrical |
| Weight
|
SA30i+ - 5.0 Kg, CT Unit - 0.7 Kg , Field Probe Unit - 1.2 Kg |
| Environment |
-20°C to 55°C, up to 95% RH (non-condensing), Storage Temp - 0-70°C |
|
Type Testing |
As per IEC 60068 / IS 9000 for Dry Heat, Damp Heat, Change of Temperature, Bump, Vibration and Mechanical Shock. For EMI / EMC & Safety as per relevant IEC Standards |
SA 30i
SA 30i, the Leakage Current Analyser from SCOPE is a State of the Art, On-line test system for Residual Life Assessment of Metal Oxide Surge Arresters. The instrument measures and directly displays the values of Total Leakage Current and Third Harmonic Resistive Leakage Current. It provides system harmonic compensation as per IEC 60099-5-B2. It provides Corrected Resistive Leakage Current after applying correction factors for change in system voltage & temperature.
The SA 30i can be pre-loaded with the LA identity details (LA Identification, Type, Serial Number, Location, Rated Voltage etc.) and tests conducted on the same ID of the arresters are saved under the same folder. Trend analysis software, SAData picks up this data and stores them in a similar fashion on a PC. This analysis software enables the user to take a decision to repair/replace the arresters considering safety limits.
SA 30i is designed to work under the hostile electrostatic noise found in live EHV switch yards up to 765 kV
Features
- An innovative design makes SA 30i simple, lightweight, portable, feature-rich.
- Measures Total Leakage Current, 3rd Harmonic Resistive Leakage Current with System Harmonic compensation and Corrected Resistive Leakage Current.
- In built temperature measurement facility enables calculation of temperature corrected leakage currents.
- Correction of results to rated voltage of LA to eliminate effect of change in system voltage.
- Date and time stamp on test results
- Results are displayed on large font, Big, back-lit LCD, printed on in-built thermal printer and can be stored in memory of the instrument.
- SA 30i is powered by easily available re-chargeable Lithium-ion batteries. It works for a day’s testing needs on a single charge
- The SA 30i is a switchyard compatible instrument. This makes the instrument extremely convenient to use.
- Built-in standard calibration source and self-calibration check facility
- USB communication port to transfer data to PC and Windows based PC Downloading & Analysis Software.
- Facility of extending CT & Field Probe signal to external oscilloscope.
- Facility for testing of GIS LAs available optionally
Specifications
| Parameter | SA30i |
| Total Leakage Current Range | 100 μA to 10 mA |
| Resistive Leakage Current Range | 1 μA to 10 mA |
| Resolution | 1 μA |
| Accuracy | Value ± 5% ± 1 μA |
| Inputs | External Clamp-on CT, Field Probe,Optional External PT input (110V AC) |
| Display | 4 line x 20 character large backlit LCD with large font |
| Compensation | Automatic for System Harmonics, Temperature & System Voltage |
| Temperature Sensor |
Inbuilt Platinum Resistance Thermometer with measurement range of -20°C to 55°C |
| Self-calibration Check | Available |
| PC Connectivity | Through USB Port |
| Memory | Storage capacity of 1000 results |
| Printer | 58mm Inbuilt Thermal Printer |
|
Internal Battery |
SA30i - 11.1 V / 2200mAh Internal Rechargeable battery |
| Mains Supply | 100-270V AC, 50 / 60Hz ± 10%, 1 Phase |
| Dimension |
SA30i - 415 x 330 x 200 mm |
| Weight |
SA30i - 7 Kg |
| Environment |
0°C to 55°C, up to 95% RH (non-condensing) |
|
Type Testing |
As per IEC 60068 / IS 9000 for Dry Heat, Damp Heat, Change of Temperature, Bump, Vibration and Mechanical Shock. For EMI / EMC & Safety as per relevant IEC Standards |
SA 10i
SA 10i the Leakage Current Meter from SCOPE T&M is a State of the Art, hand held, on-line test system for Residual Life Assessment of Surge Arresters. The instrument measures and directly displays the values of peak (Ipeak) and RMS (Irms) of total leakage current and calculates & displays resistive element of the total leakage current insurge arrestors connected in either 50Hz or 60Hz AC systems.
The SA 10i can be pre-loaded with the LA identity (LA Identification, Type, Serial Number, Location, Rated Voltage etc.) and tests conducted on the same ID of the Arresters are saved under its own library created. Trend analysis software; SAData picks up this data and files them in a similar fashion on a PC. This analysis software enables the user to take a decision to repair/replace the arresters considering safety limits.
The device has an in-built temperature sensor to measure ambient temperature and displays it. Also as system voltage and ambient temperature keeps on varying; SA 10i applies correction factors for system voltage correction and also temperature correction to get corrected resistive leakage current.
SA 10i is designed and manufactured by SCOPE T&M Pvt. Ltd., India, for reliable operation in high-noise live HV switchyard environments.
Features
- This hand held SA 10i is CE Certified, simple, lightweight, portable, feature-rich and affordable.
- Measures 3rd harmonic resistive current, and the peak and RMS of total leakage current of surge arrestors connected in either 50Hz or 60Hz AC systems
- In built temperature measurement facility enables calculation of temperature compensated leakage currents
- Correction of results to rated voltage of LA to eliminate effect of change in system voltage.
- Up to 1000 test records with date and time stamp on test results are stored in the in-built memory
- The SA 10i is powered by easily available re-chargeable Lithium-ion batteries. It works for a day’s testing needs on a single charge. It also displays the battery status, like % of charge and low battery indication.
- The SA 10i is a switch-yard compatible instrument. This makes the instrument extremely convenient to use.
- USB communication port to transfer data to PC and Windows based PC Downloading & Analysis Software.
- Data Management, Analysis and Trending through SA Data software
Specifications
| Parameter | SA 10i |
| Total Leakage Current Range (Peak & RMS) | 100 μA to 10mA |
| 3rd Harmonic Resistive Leakage Current Range (Peak & RMS) | 1 μA to 10mA |
| Resolution | 1 μA |
| Accuracy | Value ± 5% |
| Inputs | External Clamp-on CT |
| Display | 2 line x 16 character back-lit LCD |
| Compensation | Automatic for Noise & Temperature |
| Temperature Sensor |
Inbuilt silicon thermometer |
| Temperature Range |
0 to 99°C |
| PC Connectivity | Through USB Port |
| Memory | Storage capacity of 1000 results |
| Power Supply | 7.4V / 1150mAh, Internal rechargeable battery |
| Battery Charging | 100-270V AC, 50 / 60Hz ± 10%, 1 Phase |
| Dimension |
190 x 125 x 50 mm |
| Weight |
1.5 Kg |