ET-302 Wireless Hv Lv Clamp Meter
ET-302 Wireless HV/LV Clamp Meter has broken the traditional structure, which is specially well-designed for measuring high voltage current, adopting the latest CT technology and integrated mask digital technology, composition of clamp meter with a high-voltage insulation rod;
Description
ET-302 Wireless HV/LV Clamp Meter has broken the traditional structure, which is specially well-designed for measuring high voltage current, adopting the latest CT technology and integrated mask digital technology, composition of clamp meter with a high-voltage insulation rod; its wireless receivers can penetrate buildings or obstacles within 30 meters line and receive measured data. If not using an insulation rod, it can be also used as a high precision low-voltage clamp meter, or an alternating current meter, which can accurately measure 0.1mA of current or leakage current.
ET-302 Clamp Meter is connected with 5 insulation rods, which can be used for measuring high voltage current that is below 60KV, on-line current measurement, also having peak maintenance, data preservation, data storage, wireless transmission and other functions, and its special clamp meter can make it easier for clamping or evacuating the tested wire through pressing or pulling back the insulation rod, time-saving and fast, widely used in transformer substation, power plant, industrial and mining enterprises as well as the inspection station and electrician maintenance departments for electrical current detection and field electrical operations. It can also replace the H/L voltage transforming ratio tester, that is, to detect the high and low current for primary circuit and secondary circuit separately, and then calculate to conclude the ratio of high and low voltage. The insulation rod is light and convenient, with the advantages of anti-moisture, high temperature resistance, anti-impact, bending resistance, high insulation, flexibility and other characteristics.
Product characteristics
1. Has an innovative integrated design between transducer clamp and transducer domain, ensuring the high-precision, high-reliability, and high-stability.
2. Peak maintenance, data preservation, data storage, wireless transmission and other functions.
3. The insulation rod is light and convenient, with the advantages of anti-moisture, high temperature resistance, anti-impact, bending resistance, high insulation, flexibility and other characteristics.
4. Adopting the latest CT technology and integrated mask digital technology.
Technique Parameters
| Function | High voltage AC current measurement, low voltage AC current, leakage current measurement, on-line AC current supervision. |
| Power Supply | DC6V Alkaline Dry Battery (1.5V AAA X 4) |
| Test Method | Clamp CT, Integral Method |
| Display Mode | 4 digital LCD display, backlight function, suitable for dark place. |
| LCD Dimension | 47mm×28.5mm |
| Meter Dimension | W/H/T: 76mm×255mm×31mm |
| Clamp Diameter | φ48mm |
| Sampling Speed | About 2 times/second |
| Range of measurement | 0.1mA～1000A（50/60Hz Auto Identification） |
| Resolution | 0.1mA |
| Gearing | 0.1mA~1000A Automatic Shift |
| Test Accuracy（23℃±5℃, 80%RH） | 0.1mA～299mA: ±1%±3dgt |
| 0.30A～9.99A:±1.5%±5dgt | |
| 10.0A～199.9A:±2%±5dgt | |
| 200A～399A:±2.5%±5dgt | |
| 400A～600A:±3%±5dgt | |
| 601A～1000A:±4%±5dgt | |
| Data Storage | 99 Groups, during storage, the symbol “MEM” gives indication, “FULL” mark will flash to indicate the memory has been full. |
| Circuit Voltage | Test for the circuit below 60KV (operated with insulation rod) |
| Peak Maintenance | Automatically maintain the height of the test value, usually in the test mode press PEAK key, PEAK lights, that is, to keep open the PEAK function, then press PEAK key to cancel this function |
| Data Preservation | Under general test mode, press HOLD button to preserve data, “HOLD” symbol display. then press HOLD Key to cancel this function |
| Data Access | “MR” symbol indicates, it can read the stored data by turning upwards and downwards. |
| Overflow Display | Exceed measurement range overflow function: “OL A” symbol display |
| Auto Shut Down | About 15 minutes after booting, the meter will shut down automatically, in order to decrease the battery consumption. |
| Battery Voltage | When the battery voltage is below 4.8V, the symbol of battery voltage will show to remind to replace battery. |
| Weight | Tester: About 335g (Including battery), total quality of meter: about 2.5Kg (including insulation rod and battery.) |
| Work Temperature and Humidity | -10℃～40℃；80%Rh |
| Storage Temperature and Humidity | -10℃～60℃；70%Rh |
| Insulated Rod Dimension | φ32mm，1m/Section（5 Sections） |
| Insulation Intension | AC 100KV/rms (Between 5th insulation rod and clamp core) |
| Structure | Anti-Dripping Type II |
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